Switch 8.7 clients to only get patch updates to transport (#2211)

Co-authored-by: Grégoire Chauvet <gchauvet.home@gmail.com>

.buildkite/Dockerfile

@@ -0,0 +1,14 @@
+ARG NODE_VERSION=${NODE_VERSION:-18}
+FROM node:$NODE_VERSION
+
+# Install required tools
+RUN apt-get clean -y && \
+    apt-get -qy update && \
+    apt-get -y install zip && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+WORKDIR /usr/src/app
+
+COPY . .
+RUN npm install --production=false

.buildkite/certs/testnode.crt

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----
+MIIDYjCCAkqgAwIBAgIVAIClHav09e9XGWJrnshywAjUHTnXMA0GCSqGSIb3DQEB
+CwUAMDQxMjAwBgNVBAMTKUVsYXN0aWMgQ2VydGlmaWNhdGUgVG9vbCBBdXRvZ2Vu
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++t5/g6u2r3awCtzqp17KG0hRxzkVoJoF8DYzVh+Rv9ymxQW0C/U8dQihAjkZHaIA
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+pDFmri7IfOucuvalXJ6xiHPr9RDbuxEXs0u8mteT5nFQo7EaEGdHpg1pNGbfBOzP
+lmj/dRS9
+-----END CERTIFICATE-----

.buildkite/certs/testnode.key

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEowIBAAKCAQEAlfref4Ortq92sArc6qdeyhtIUcc5FaCaBfA2M1Yfkb/cpsUF
+tAv1PHUIoQI5GR2iAJ+PZUsjS5MFrZqkID3IpleHel7k2MdmoQ4sV2LY5qDksB+X
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+yYJiCRuvEvdCEBkfHGdpWWMwtCe84zLGJTg2wwIDAQABAoIBAAEP7HYNNnDWdYMD
++WAtYM12X/W5s/wUP94juaBI4u4iZH2EZodlixEdZUCTXgq43WsDUhxX05s7cE+p
+H5DuSCHtoo2WHvGKAposwRDm2f3YVWQ2Xyb2ahNt69LYHHWrO+XQ60YYTa3r8Gn3
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++2Jp1K0CgYEAw8BchALsD/+JuoXjinA14MH7PZjIsXyhtPk+c4pk42iMNyg1J8XF
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+oftUHvkHS0Vv/LicMEOufFGslb4T9aPJ7oyhoSlz9CfAutDWk/q/
+-----END RSA PRIVATE KEY-----

.buildkite/pipeline.yml

@@ -0,0 +1,31 @@
+steps:
+  - label: ":elasticsearch: :javascript: ES JavaScript ({{ matrix.nodejs }}) Test Suite: {{ matrix.suite }}"
+    agents:
+      provider: "gcp"
+    env:
+      NODE_VERSION: "{{ matrix.nodejs }}"
+      TEST_SUITE: "{{ matrix.suite }}"
+      STACK_VERSION: 8.8.0-SNAPSHOT
+    matrix:
+      setup:
+        suite:
+          - "free"
+          - "platinum"
+        nodejs:
+          - "14"
+          - "16"
+          - "18"
+          - "20"
+    command: ./.buildkite/run-tests.sh
+    artifact_paths: "./junit-output/junit-*.xml"
+  - wait: ~
+    continue_on_failure: true
+  - label: ":junit: Test results"
+    agents:
+      provider: "gcp"
+      image: family/core-ubuntu-2204
+    plugins:
+      - junit-annotate#v2.4.1:
+          artifacts: "junit-output/junit-*.xml"
+          job-uuid-file-pattern: 'junit-(.*).xml'
+          fail-build-on-error: true

.buildkite/run-client.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+#
+# Once called Elasticsearch should be up and running
+#
+script_path=$(dirname "$(realpath -s "$0")")
+set -euo pipefail
+repo=$(pwd)
+
+export NODE_VERSION=${NODE_VERSION:-18}
+
+echo "--- :javascript: Building Docker image"
+docker build \
+       --file "$script_path/Dockerfile" \
+       --tag elastic/elasticsearch-js \
+       --build-arg NODE_VERSION="$NODE_VERSION" \
+       .
+
+echo "--- :javascript: Running $TEST_SUITE tests"
+mkdir -p "$repo/junit-output"
+docker run \
+       --network="${network_name}" \
+       --env "TEST_ES_SERVER=${elasticsearch_url}" \
+       --env "ELASTIC_PASSWORD=${elastic_password}" \
+       --env "TEST_SUITE=${TEST_SUITE}" \
+       --env "ELASTIC_USER=elastic" \
+       --env "BUILDKITE=true" \
+       --volume "$repo/junit-output:/junit-output" \
+       --name elasticsearch-js \
+       --rm \
+       elastic/elasticsearch-js \
+       bash -c "npm run test:integration; [ -f ./$TEST_SUITE-report-junit.xml ] && mv ./$TEST_SUITE-report-junit.xml /junit-output/junit-$BUILDKITE_JOB_ID.xml || echo 'No JUnit artifact found'"

.buildkite/run-elasticsearch.sh

@@ -26,12 +26,15 @@ script_path=$(dirname $(realpath -s $0))
 source $script_path/functions/imports.sh
 set -euo pipefail
 
-echo -e "\033[34;1mINFO:\033[0m Take down node if called twice with the same arguments (DETACH=true) or on seperate terminals \033[0m"
+echo -e "\033[34;1mINFO:\033[0m Take down node if called twice with the same arguments (DETACH=true) or on separate terminals \033[0m"
 cleanup_node $es_node_name
 
 master_node_name=${es_node_name}
 cluster_name=${moniker}${suffix}
 
+# Set vm.max_map_count kernel setting to 262144
+sudo sysctl -w vm.max_map_count=262144
+
 declare -a volumes
 environment=($(cat <<-END
   --env ELASTIC_PASSWORD=$elastic_password
@@ -73,6 +76,7 @@ END
 ))
 else
   environment+=($(cat <<-END
+    --env node.roles=data,data_cold,data_content,data_frozen,data_hot,data_warm,ingest,master,ml,remote_cluster_client,transform
     --env xpack.security.enabled=false
     --env xpack.security.http.ssl.enabled=false
 END
@@ -84,6 +88,13 @@ if [[ "$TEST_SUITE" == "platinum" ]]; then
   cert_validation_flags="--insecure --cacert /usr/share/elasticsearch/config/certs/ca.crt --resolve ${es_node_name}:443:127.0.0.1"
 fi
 
+echo "--- :elasticsearch: Environment setup"
+echo "TEST_SUITE: $TEST_SUITE"
+echo "Elasticsearch URL: $elasticsearch_url"
+echo "Elasticsearch External URL: $external_elasticsearch_url"
+
+
+echo "--- :elasticsearch: Running container"
 # Pull the container, retry on failures up to 5 times with
 # short delays between each attempt. Fixes most transient network errors.
 docker_pull_attempts=0
@@ -138,6 +149,4 @@ END
   if wait_for_container "$es_node_name" "$network_name"; then
     echo -e "\033[32;1mSUCCESS:\033[0m Running on: $node_url\033[0m"
   fi
-
 done
-

.buildkite/run-tests.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+#
+# Script to run Elasticsearch container and Elasticsearch client integration tests on Buildkite
+#
+# Version 0.1
+#
+script_path=$(dirname "$(realpath -s "$0")")
+source "$script_path/functions/imports.sh"
+
+set -euo pipefail
+
+echo "--- :elasticsearch: Starting Elasticsearch"
+DETACH=true bash "$script_path/run-elasticsearch.sh"
+
+echo "+++ :javascript: Run Client"
+bash "$script_path/run-client.sh"

.ci/Dockerfile

@@ -1,4 +1,4 @@
-ARG NODE_JS_VERSION=10
+ARG NODE_JS_VERSION=18
 FROM node:${NODE_JS_VERSION}
 
 # Create app directory

.ci/certs/testnode.crt

@@ -1,19 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDIzCCAgugAwIBAgIVAMTO6uVx9dLox2t0lY4IcBKZXb5WMA0GCSqGSIb3DQEB
-CwUAMDQxMjAwBgNVBAMTKUVsYXN0aWMgQ2VydGlmaWNhdGUgVG9vbCBBdXRvZ2Vu
-ZXJhdGVkIENBMB4XDTIwMDIyNjA1NTA1OVoXDTIzMDIyNTA1NTA1OVowEzERMA8G
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-u2pU42UaUE596G6o78s1aLn9ICcElPHTjiuZNSiyuu9IzvFDjGQw
------END CERTIFICATE-----

.ci/certs/testnode.key

@@ -1,27 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIEogIBAAKCAQEAymC0zopFRDYjf6mLqTrKF3e1WGJ68snwgv3SuBQtmqM5G6ox
-cwXbzxgGrKHOMhIh+QhnlzICbjo5NZmqnrZnSLMNNI+KByb4mLJxl88cUubMIQ+7
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-JDcQUWotOHjpdvmfJWWkcBhbAKrgX8ukww00ZI/lC3/rmkGnBBg=
------END RSA PRIVATE KEY-----

.ci/docker/Dockerfile

@@ -1,7 +0,0 @@
-ARG NODE_JS_VERSION=10
-FROM node:${NODE_JS_VERSION}-alpine
-
-RUN apk --no-cache add git
-
-# Create app directory
-WORKDIR /usr/src/app

.ci/jobs/defaults.yml

@@ -1,81 +0,0 @@
----
-
-##### GLOBAL METADATA
-
-- meta:
-    cluster: clients-ci
-
-##### JOB DEFAULTS
-
-- job:
-    project-type: matrix
-    logrotate:
-      daysToKeep: 30
-      numToKeep: 100
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads/main
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    properties:
-    - github:
-        url: https://github.com/elastic/elasticsearch-js/
-    - inject:
-        properties-content: HOME=$JENKINS_HOME
-    concurrent: true
-    node: flyweight
-    scm:
-    - git:
-        name: origin
-        credentials-id: f6c7695a-671e-4f4f-a331-acdce44ff9ba
-        reference-repo: /var/lib/jenkins/.git-references/elasticsearch-js.git
-        branches:
-        - ${branch_specifier}
-        url: https://github.com/elastic/elasticsearch-js.git
-        basedir: ''
-        wipe-workspace: 'True'
-    triggers:
-    - github
-    vault:
-      # vault read auth/approle/role/clients-ci/role-id
-      role_id: ddbd0d44-0e51-105b-177a-c8fdfd445126
-    axes:
-    - axis:
-        type: slave
-        name: label
-        values:
-        - linux
-    - axis:
-        type: yaml
-        filename: .ci/test-matrix.yml
-        name: STACK_VERSION
-    - axis:
-        type: yaml
-        filename: .ci/test-matrix.yml
-        name: NODE_JS_VERSION
-    - axis:
-        type: yaml
-        filename: .ci/test-matrix.yml
-        name: TEST_SUITE
-    yaml-strategy:
-      exclude-key: exclude
-      filename: .ci/test-matrix.yml
-    wrappers:
-      - ansicolor
-      - timeout:
-          type: absolute
-          timeout: 120
-          fail: true
-      - timestamps
-      - workspace-cleanup
-    builders:
-      - shell: |-
-          #!/usr/local/bin/runbld
-          .ci/run-tests
-    publishers:
-      - email:
-          recipients: build-lang-clients@elastic.co
-      - junit:
-          results: "**/*-junit.xml"
-          allow-empty-results: true

.ci/jobs/elastic+elasticsearch-js+5.x.yml

@@ -1,15 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+5.x
-    display-name: 'elastic / elasticsearch-js # 5.x'
-    description: Testing the elasticsearch-js 5.x branch.
-    junit_results: "*-junit.xml"
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads/5.x
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    triggers:
-    - github
-    - timed: '@weekly'

.ci/jobs/elastic+elasticsearch-js+6.x.yml

@@ -1,15 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+6.x
-    display-name: 'elastic / elasticsearch-js # 6.x'
-    description: Testing the elasticsearch-js 6.x branch.
-    junit_results: "*-junit.xml"
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads/6.x
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    triggers:
-    - github
-    - timed: 'H */12 * * *'

.ci/jobs/elastic+elasticsearch-js+7.16.yml

@@ -1,15 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+7.16
-    display-name: 'elastic / elasticsearch-js # 7.16'
-    description: Testing the elasticsearch-js 7.16 branch.
-    junit_results: "*-junit.xml"
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads/7.16
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    triggers:
-    - github
-    - timed: 'H */12 * * *'

.ci/jobs/elastic+elasticsearch-js+7.17.yml

@@ -1,15 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+7.17
-    display-name: 'elastic / elasticsearch-js # 7.17'
-    description: Testing the elasticsearch-js 7.17 branch.
-    junit_results: "*-junit.xml"
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads/7.17
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    triggers:
-    - github
-    - timed: 'H */12 * * *'

.ci/jobs/elastic+elasticsearch-js+8.0.yml

@@ -1,15 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+8.0
-    display-name: 'elastic / elasticsearch-js # 8.0'
-    description: Testing the elasticsearch-js 8.0 branch.
-    junit_results: "*-junit.xml"
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads8.0
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    triggers:
-    - github
-    - timed: 'H */12 * * *'

.ci/jobs/elastic+elasticsearch-js+main.yml

@@ -1,15 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+main
-    display-name: 'elastic / elasticsearch-js # main'
-    description: Testing the elasticsearch-js main branch.
-    junit_results: "*-junit.xml"
-    parameters:
-    - string:
-        name: branch_specifier
-        default: refs/heads/main
-        description: the Git branch specifier to build (<branchName>, <tagName>,
-          <commitId>, etc.)
-    triggers:
-    - github
-    - timed: 'H */12 * * *'

.ci/jobs/elastic+elasticsearch-js+pull-request.yml

@@ -1,19 +0,0 @@
----
-- job:
-    name: elastic+elasticsearch-js+pull-request
-    display-name: 'elastic / elasticsearch-js # pull-request'
-    description: Testing of elasticsearch-js pull requests.
-    junit_results: "*-junit.xml"
-    scm:
-    - git:
-        branches:
-        - ${ghprbActualCommit}
-        refspec: +refs/pull/*:refs/remotes/origin/pr/*
-    triggers:
-    - github-pull-request:
-        org-list:
-        - elastic
-        allow-whitelist-orgs-as-admins: true
-        github-hooks: true
-        status-context: clients-ci
-        cancel-builds-on-update: true

.ci/make.mjs

@@ -0,0 +1,127 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* global $ argv */
+
+'use strict'
+
+import 'zx/globals'
+
+import { readFile, writeFile } from 'fs/promises'
+import assert from 'assert'
+import { join } from 'desm'
+import semver from 'semver'
+
+assert(typeof argv.task === 'string', 'Missing task parameter')
+
+switch (argv.task) {
+  case 'release':
+    release(argv._).catch(onError)
+    break
+  case 'bump':
+    bump(argv._).catch(onError)
+    break
+  case 'codegen':
+    codegen(argv._).catch(onError)
+    break
+  default:
+    console.log(`Unknown task: ${argv.task}`)
+    process.exit(1)
+}
+
+async function release (args) {
+  assert(args.length === 2, 'Release task expects two parameters')
+  let [version, outputFolder] = args
+
+  if (process.env.WORKFLOW === 'snapshot' && !version.endsWith('SNAPSHOT')) {
+    version = `${version}-SNAPSHOT`
+  }
+
+  await bump([version])
+
+  const packageJson = JSON.parse(await readFile(
+    join(import.meta.url, '..', 'package.json'),
+    'utf8'
+  ))
+
+  await $`npm run build`
+  await $`npm pack`
+  await $`zip elasticsearch-js-${version}.zip elastic-elasticsearch-${packageJson.version}.tgz`
+  await $`rm elastic-elasticsearch-${packageJson.version}.tgz`
+  await $`mv ${join(import.meta.url, '..', `elasticsearch-js-${version}.zip`)} ${join(import.meta.url, '..', outputFolder, `elasticsearch-js-${version}.zip`)}`
+}
+
+async function bump (args) {
+  assert(args.length === 1, 'Bump task expects one parameter')
+  const [version] = args
+  const packageJson = JSON.parse(await readFile(
+    join(import.meta.url, '..', 'package.json'),
+    'utf8'
+  ))
+
+  const cleanVersion = semver.clean(version.includes('SNAPSHOT') ? version.split('-')[0] : version)
+  assert(semver.valid(cleanVersion))
+  packageJson.version = cleanVersion
+  packageJson.versionCanary = `${cleanVersion}-canary.0`
+
+  await writeFile(
+    join(import.meta.url, '..', 'package.json'),
+    JSON.stringify(packageJson, null, 2),
+    'utf8'
+  )
+
+  const pipeline = await readFile(join(import.meta.url, '..', '.buildkite', 'pipeline.yml'))
+  await writeFile(
+    join(import.meta.url, '..', '.buildkite', 'pipeline.yml'),
+    pipeline.replace(/STACK_VERSION: [0-9]+[0-9\.]*[0-9](?:\-SNAPSHOT)?/, `STACK_VERSION: - ${cleanVersion}-SNAPSHOT`), // eslint-disable-line
+    'utf8'
+  )
+}
+
+// this command can only be executed locally for now
+async function codegen (args) {
+  assert(args.length === 1, 'Codegen task expects one parameter')
+  const [version] = args
+
+  const clientGeneratorPath = join(import.meta.url, '..', '..', 'elastic-client-generator-js')
+  const isGeneratorCloned = await $`[[ -d ${clientGeneratorPath} ]]`.exitCode === 0
+  assert(isGeneratorCloned, 'You must clone the elastic-client-generator-js first')
+
+  await $`npm install --prefix ${clientGeneratorPath}`
+
+  // generate elasticsearch client. this command will take a while!
+  if (version === 'main') {
+    await $`npm run elasticsearch --prefix ${clientGeneratorPath} -- --version main`
+  } else {
+    await $`npm run elasticsearch --prefix ${clientGeneratorPath} -- --version ${version.split('.').slice(0, 2).join('.')}`
+  }
+  // clean up fixable linter issues
+  await $`npm run fix --prefix ${clientGeneratorPath}`
+
+  await $`rm -rf ${join(import.meta.url, '..', 'src', 'api')}`
+  await $`mkdir ${join(import.meta.url, '..', 'src', 'api')}`
+  await $`cp -R ${join(import.meta.url, '..', '..', 'elastic-client-generator-js', 'output')}/* ${join(import.meta.url, '..', 'src', 'api')}`
+  await $`mv ${join(import.meta.url, '..', 'src', 'api', 'reference.asciidoc')} ${join(import.meta.url, '..', 'docs', 'reference.asciidoc')}`
+  await $`npm run build`
+}
+
+function onError (err) {
+  console.log(err)
+  process.exit(1)
+}

.ci/make.sh

@@ -0,0 +1,187 @@
+#!/usr/bin/env bash
+# ------------------------------------------------------- #
+#
+# Build entry script for elasticsearch-js
+#
+# Must be called: ./.ci/make.sh <target> <params>
+#
+# Version: 1.1.0
+#
+# Targets:
+# ---------------------------
+# assemble   <VERSION> : build client artifacts with version
+# bump       <VERSION> : bump client internals to version
+# bumpmatrix <VERSION> : bump stack version in test matrix to version
+# codegen              : generate endpoints
+# docsgen    <VERSION> : generate documentation
+# examplegen           : generate the doc examples
+# clean                : clean workspace
+#
+# ------------------------------------------------------- #
+
+# ------------------------------------------------------- #
+# Bootstrap
+# ------------------------------------------------------- #
+script_path=$(dirname "$(realpath -s "$0")")
+repo=$(realpath "$script_path/../")
+generator=$(realpath "$script_path/../../elastic-client-generator-js")
+
+# shellcheck disable=SC1090
+CMD=$1
+TASK=$1
+TASK_ARGS=()
+VERSION=$2
+STACK_VERSION=$VERSION
+set -euo pipefail
+
+product="elastic/elasticsearch-js"
+output_folder=".ci/output"
+codegen_folder=".ci/output"
+OUTPUT_DIR="$repo/${output_folder}"
+# REPO_BINDING="${OUTPUT_DIR}:/sln/${output_folder}"
+NODE_JS_VERSION=18
+WORKFLOW=${WORKFLOW-staging}
+mkdir -p "$OUTPUT_DIR"
+
+echo -e "\033[34;1mINFO:\033[0m PRODUCT ${product}\033[0m"
+echo -e "\033[34;1mINFO:\033[0m VERSION ${STACK_VERSION}\033[0m"
+echo -e "\033[34;1mINFO:\033[0m OUTPUT_DIR ${OUTPUT_DIR}\033[0m"
+
+case $CMD in
+    clean)
+        echo -e "\033[36;1mTARGET: clean workspace $output_folder\033[0m"
+        rm -rf "$output_folder"
+        echo -e "\033[32;1mdone.\033[0m"
+        exit 0
+        ;;
+    assemble)
+        if [ -v $VERSION ]; then
+            echo -e "\033[31;1mTARGET: assemble -> missing version parameter\033[0m"
+            exit 1
+        fi
+        echo -e "\033[36;1mTARGET: assemble artefact $VERSION\033[0m"
+        TASK=release
+        TASK_ARGS=("$VERSION" "$output_folder")
+        ;;
+    codegen)
+        if [ -v $VERSION ]; then
+            echo -e "\033[31;1mTARGET: codegen -> missing version parameter\033[0m"
+            exit 1
+        fi
+        echo -e "\033[36;1mTARGET: codegen API v$VERSION\033[0m"
+        TASK=codegen
+        # VERSION is BRANCH here for now
+        TASK_ARGS=("$VERSION")
+        ;;
+    docsgen)
+        if [ -v $VERSION ]; then
+            echo -e "\033[31;1mTARGET: docsgen -> missing version parameter\033[0m"
+            exit 1
+        fi
+        echo -e "\033[36;1mTARGET: generate docs for $VERSION\033[0m"
+        TASK=codegen
+        # VERSION is BRANCH here for now
+        TASK_ARGS=("$VERSION" "$codegen_folder")
+        ;;
+    examplesgen)
+        echo -e "\033[36;1mTARGET: generate examples\033[0m"
+        TASK=codegen
+        # VERSION is BRANCH here for now
+        TASK_ARGS=("$VERSION" "$codegen_folder")
+        ;;
+    bump)
+        if [ -v $VERSION ]; then
+            echo -e "\033[31;1mTARGET: bump -> missing version parameter\033[0m"
+            exit 1
+        fi
+        echo -e "\033[36;1mTARGET: bump to version $VERSION\033[0m"
+        TASK=bump
+        # VERSION is BRANCH here for now
+        TASK_ARGS=("$VERSION")
+        ;;
+    bumpmatrix)
+      if [ -v $VERSION ]; then
+        echo -e "\033[31;1mTARGET: bumpmatrix -> missing version parameter\033[0m"
+        exit 1
+      fi
+      echo -e "\033[36;1mTARGET: bump stack in test matrix to version $VERSION\033[0m"
+      TASK=bumpmatrix
+      TASK_ARGS=("$VERSION")
+      ;;
+    *)
+        echo -e "\n'$CMD' is not supported right now\n"
+        echo -e "\nUsage:"
+        echo -e "\t $0 release \$VERSION\n"
+        echo -e "\t $0 bump \$VERSION"
+        echo -e "\t $0 codegen \$VERSION"
+        exit 1
+esac
+
+
+# ------------------------------------------------------- #
+# Build Container
+# ------------------------------------------------------- #
+
+echo -e "\033[34;1mINFO: building $product container\033[0m"
+
+docker build \
+  --file .ci/Dockerfile \
+  --tag "$product" \
+  --build-arg NODE_JS_VERSION="$NODE_JS_VERSION" \
+  .
+
+# ------------------------------------------------------- #
+# Run the Container
+# ------------------------------------------------------- #
+
+echo -e "\033[34;1mINFO: running $product container\033[0m"
+
+docker run \
+  --volume "$repo:/usr/src/app" \
+  --volume "$generator:/usr/src/elastic-client-generator-js" \
+  --volume /usr/src/app/node_modules \
+  -u "$(id -u):$(id -g)" \
+  --env "WORKFLOW=$WORKFLOW" \
+  --name make-elasticsearch-js \
+  --rm \
+  $product \
+  node .ci/make.mjs --task $TASK "${TASK_ARGS[@]}"
+
+# ------------------------------------------------------- #
+# Post Command tasks & checks
+# ------------------------------------------------------- #
+
+if [[ "$CMD" == "assemble" ]]; then
+	if compgen -G ".ci/output/*" > /dev/null; then
+		echo -e "\033[32;1mTARGET: successfully assembled client v$VERSION\033[0m"
+	else
+		echo -e "\033[31;1mTARGET: assemble failed, empty workspace!\033[0m"
+		exit 1
+	fi
+fi
+
+if [[ "$CMD" == "bump" ]]; then
+  if [ -n "$(git status --porcelain)" ]; then 
+		echo -e "\033[32;1mTARGET: successfully bumped client v$VERSION\033[0m"
+  else 
+		echo -e "\033[31;1mTARGET: failed bumped client v$VERSION\033[0m"
+    exit 1
+  fi
+fi
+
+if [[ "$CMD" == "codegen" ]]; then
+  if [ -n "$(git status --porcelain)" ]; then 
+		echo -e "\033[32;1mTARGET: successfully generated client v$VERSION\033[0m"
+  else 
+		echo -e "\033[31;1mTARGET: failed generating client v$VERSION\033[0m"
+    exit 1
+  fi
+fi
+
+if [[ "$CMD" == "docsgen" ]]; then
+    echo "TODO"
+fi
+
+if [[ "$CMD" == "examplesgen" ]]; then
+    echo "TODO"
+fi

.ci/packer_cache.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-source /usr/local/bin/bash_standard_lib.sh
-
-DOCKER_IMAGES="node:16-alpine
-node:14-alpine
-node:12-alpine
-"
-
-for di in ${DOCKER_IMAGES}
-do
-(retry 2 docker pull "${di}") || echo "Error pulling ${di} Docker image, we continue"
-done
-

.ci/run-repository.sh

@@ -1,43 +0,0 @@
-#!/usr/bin/env bash
-# parameters are available to this script
-
-# STACK_VERSION -- version e.g Major.Minor.Patch(-Prelease)
-# TEST_SUITE -- which test suite to run: free or platinum
-# ELASTICSEARCH_URL -- The url at which elasticsearch is reachable, a default is composed based on STACK_VERSION and TEST_SUITE
-# NODE_JS_VERSION -- node js version (defined in test-matrix.yml, a default is hardcoded here)
-script_path=$(dirname $(realpath -s $0))
-source $script_path/functions/imports.sh
-set -euo pipefail
-
-NODE_JS_VERSION=${NODE_JS_VERSION-12}
-ELASTICSEARCH_URL=${ELASTICSEARCH_URL-"$elasticsearch_url"}
-elasticsearch_container=${elasticsearch_container-}
-
-echo -e "\033[34;1mINFO:\033[0m VERSION ${STACK_VERSION}\033[0m"
-echo -e "\033[34;1mINFO:\033[0m TEST_SUITE ${TEST_SUITE}\033[0m"
-echo -e "\033[34;1mINFO:\033[0m URL ${ELASTICSEARCH_URL}\033[0m"
-echo -e "\033[34;1mINFO:\033[0m CONTAINER ${elasticsearch_container}\033[0m"
-echo -e "\033[34;1mINFO:\033[0m NODE_JS_VERSION ${NODE_JS_VERSION}\033[0m"
-
-echo -e "\033[1m>>>>> Build docker container >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-
-docker build \
-  --file .ci/Dockerfile \
-  --tag elastic/elasticsearch-js \
-  --build-arg NODE_JS_VERSION=${NODE_JS_VERSION} \
-  .
-
-echo -e "\033[1m>>>>> NPM run test:integration >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-
-repo=$(realpath $(dirname $(realpath -s $0))/../)
-
-docker run \
-  --network=${network_name} \
-  --env "TEST_ES_SERVER=${ELASTICSEARCH_URL}" \
-  --env "TEST_SUITE=${TEST_SUITE}" \
-  --volume $repo:/usr/src/app \
-  --volume /usr/src/app/node_modules \
-  --name elasticsearch-js \
-  --rm \
-  elastic/elasticsearch-js \
-  npm run test:integration

.ci/run-tests

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-#
-# Version 1.1
-# - Moved to .ci folder and seperated out `run-repository.sh`
-# - Add `$RUNSCRIPTS` env var for running Elasticsearch dependent products
-script_path=$(dirname $(realpath -s $0))
-source $script_path/functions/imports.sh
-set -euo pipefail
-
-echo -e "\033[1m>>>>> Start [$STACK_VERSION container] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-DETACH=true bash .ci/run-elasticsearch.sh
-
-if [[ -n "$RUNSCRIPTS" ]]; then
-  for RUNSCRIPT in ${RUNSCRIPTS//,/ } ; do
-    echo -e "\033[1m>>>>> Running run-$RUNSCRIPT.sh >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-    CONTAINER_NAME=${RUNSCRIPT} \
-      DETACH=true \
-      bash .ci/run-${RUNSCRIPT}.sh
-  done
-fi
-
-echo -e "\033[1m>>>>> Repository specific tests >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
-bash .ci/run-repository.sh

.ci/test-matrix.yml

@@ -1,14 +0,0 @@
----
-STACK_VERSION:
-  - 8.1.0-SNAPSHOT
-
-NODE_JS_VERSION:
-  - 16
-  - 14
-  - 12
-
-TEST_SUITE:
-  - free
-  - platinum
-
-exclude: ~

.github/ISSUE_TEMPLATE/regression.md

@@ -51,5 +51,6 @@ Paste the results here:
 
 - *node version*: 6,8,10
 - `@elastic/elasticsearch` *version*: >=7.0.0
+- *typescript version*: 4.x (if applicable)
 - *os*: Mac, Windows, Linux
 - *any other relevant information*

.github/workflows/backport.yml

@@ -11,6 +11,6 @@ jobs:
     name: Backport
     steps:
       - name: Backport
-        uses: tibdex/backport@v1
+        uses: tibdex/backport@v2
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/nodejs.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [12.x, 14.x, 16.x]
+        node-version: [14.x, 16.x, 18.x, 20.x]
         os: [ubuntu-latest, windows-latest, macOS-latest]
 
     steps:
@@ -32,151 +32,13 @@ jobs:
       run: |
         npm run test:unit
 
-    # - name: Acceptance test
-    #   run: |
-    #     npm run test:acceptance
-
-  # helpers-integration-test:
-  #   name: Helpers integration test
-  #   runs-on: ubuntu-latest
-
-  #   strategy:
-  #     matrix:
-  #       node-version: [12.x, 14.x, 16.x]
-
-  #   steps:
-  #   - uses: actions/checkout@v2
-
-  #   - name: Configure sysctl limits
-  #     run: |
-  #       sudo swapoff -a
-  #       sudo sysctl -w vm.swappiness=1
-  #       sudo sysctl -w fs.file-max=262144
-  #       sudo sysctl -w vm.max_map_count=262144
-
-  #   - name: Runs Elasticsearch
-  #     uses: elastic/elastic-github-actions/elasticsearch@master
-  #     with:
-  #       stack-version: 8.0.0-SNAPSHOT
-
-  #   - name: Use Node.js ${{ matrix.node-version }}
-  #     uses: actions/setup-node@v1
-  #     with:
-  #       node-version: ${{ matrix.node-version }}
-
-  #   - name: Install
-  #     run: |
-  #       npm install
-
-  #   - name: Integration test
-  #     run: |
-  #       npm run test:integration:helpers
-
-  # bundler-support:
-  #   name: Bundler support
-  #   runs-on: ubuntu-latest
-
-  #   steps:
-  #   - uses: actions/checkout@v2
-
-  #   - name: Configure sysctl limits
-  #     run: |
-  #       sudo swapoff -a
-  #       sudo sysctl -w vm.swappiness=1
-  #       sudo sysctl -w fs.file-max=262144
-  #       sudo sysctl -w vm.max_map_count=262144
-
-  #   - name: Runs Elasticsearch
-  #     uses: elastic/elastic-github-actions/elasticsearch@master
-  #     with:
-  #       stack-version: 8.0.0-SNAPSHOT
-
-  #   - name: Use Node.js 14.x
-  #     uses: actions/setup-node@v1
-  #     with:
-  #       node-version: 14.x
-
-  #   - name: Install
-  #     run: |
-  #       npm install
-  #       npm install --prefix test/bundlers/parcel-test
-  #       npm install --prefix test/bundlers/rollup-test
-  #       npm install --prefix test/bundlers/webpack-test
-
-  #   - name: Build
-  #     run: |
-  #       npm run build --prefix test/bundlers/parcel-test
-  #       npm run build --prefix test/bundlers/rollup-test
-  #       npm run build --prefix test/bundlers/webpack-test
-
-  #   - name: Run bundle
-  #     run: |
-  #       npm start --prefix test/bundlers/parcel-test
-  #       npm start --prefix test/bundlers/rollup-test
-  #       npm start --prefix test/bundlers/webpack-test
-
-  # mock-support:
-  #   name: Mock support
-  #   runs-on: ubuntu-latest
-
-  #   steps:
-  #   - uses: actions/checkout@v2
-
-  #   - name: Use Node.js 14.x
-  #     uses: actions/setup-node@v1
-  #     with:
-  #       node-version: 14.x
-
-  #   - name: Install
-  #     run: |
-  #       npm install
-  #       npm install --prefix test/mock
-
-  #   - name: Run test
-  #     run: |
-  #       npm test --prefix test/mock
-
-  # code-coverage:
-  #   name: Code coverage
-  #   runs-on: ubuntu-latest
-
-  #   strategy:
-  #     matrix:
-  #       node-version: [14.x]
-
-  #   steps:
-  #   - uses: actions/checkout@v2
-
-  #   - name: Use Node.js ${{ matrix.node-version }}
-  #     uses: actions/setup-node@v1
-  #     with:
-  #       node-version: ${{ matrix.node-version }}
-
-  #   - name: Install
-  #     run: |
-  #       npm install
-
-  #   - name: Code coverage report
-  #     run: |
-  #       npm run test:coverage-report
-
-  #   - name: Upload coverage to Codecov
-  #     uses: codecov/codecov-action@v1
-  #     with:
-  #       file: ./coverage.lcov
-  #       fail_ci_if_error: true
-
-  #   - name: Code coverage 100%
-  #     run: |
-  #       npm run test:coverage-100
-
   license:
     name: License check
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [20.x]
 
     steps:
     - uses: actions/checkout@v2

.npmignore

@@ -72,7 +72,3 @@ CODE_OF_CONDUCT.md
 CONTRIBUTING.md
 
 src
-
-# CANARY-PACKAGE
-lib/api/kibana.*
-# /CANARY-PACKAGE

Makefile

@@ -0,0 +1,11 @@
+.PHONY: integration-setup
+integration-setup: integration-cleanup
+	DETACH=true .ci/run-elasticsearch.sh
+
+.PHONY: integration-cleanup
+integration-cleanup:
+	docker container rm --force --volumes instance || true
+
+.PHONY: integration
+integration: integration-setup
+	npm run test:integration

README.md

@@ -2,7 +2,7 @@
 
 # Elasticsearch Node.js client
 
-[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)  [![Build Status](https://clients-ci.elastic.co/buildStatus/icon?job=elastic%2Belasticsearch-js%2Bmain)](https://clients-ci.elastic.co/view/Javascript/job/elastic+elasticsearch-js+main/)  [![Node CI](https://github.com/elastic/elasticsearch-js/actions/workflows/nodejs.yml/badge.svg)](https://github.com/elastic/elasticsearch-js/actions/workflows/nodejs.yml)  [![codecov](https://codecov.io/gh/elastic/elasticsearch-js/branch/master/graph/badge.svg)](https://codecov.io/gh/elastic/elasticsearch-js)  [![NPM downloads](https://img.shields.io/npm/dm/@elastic/elasticsearch.svg?style=flat)](https://www.npmjs.com/package/@elastic/elasticsearch)
+[![js-standard-style](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat)](http://standardjs.com/)  [![Build Status](https://clients-ci.elastic.co/buildStatus/icon?job=elastic%2Belasticsearch-js%2Bmain)](https://clients-ci.elastic.co/view/JavaScript/job/elastic+elasticsearch-js+main/)  [![Node CI](https://github.com/elastic/elasticsearch-js/actions/workflows/nodejs.yml/badge.svg)](https://github.com/elastic/elasticsearch-js/actions/workflows/nodejs.yml)  [![codecov](https://codecov.io/gh/elastic/elasticsearch-js/branch/master/graph/badge.svg)](https://codecov.io/gh/elastic/elasticsearch-js)  [![NPM downloads](https://img.shields.io/npm/dm/@elastic/elasticsearch.svg?style=flat)](https://www.npmjs.com/package/@elastic/elasticsearch)
 
 The official Node.js client for Elasticsearch.
 
@@ -22,7 +22,7 @@ npm install @elastic/elasticsearch
 
 ### Node.js support
 
-NOTE: The minimum supported version of Node.js is `v12`.
+NOTE: The minimum supported version of Node.js is `v14`.
 
 The client versioning follows the Elastic Stack versioning, this means that
 major, minor, and patch releases are done following a precise schedule that
@@ -44,7 +44,9 @@ of `^7.10.0`).
 | Node.js Version | Node.js EOL date | End of support         |
 | --------------- |------------------| ---------------------- |
 | `8.x`           | `December 2019`  | `7.11` (early 2021)    |
-| `10.x`          | `April 2021`      | `7.12` (mid 2021)     |
+| `10.x`          | `April 2021`     | `7.12` (mid 2021)      |
+| `12.x`          | `April 2022`     | `8.2` (early 2022)     |
+| `14.x`          | `April 2023`     | `8.8` (early 2023)     |
 
 ### Compatibility
 
@@ -53,7 +55,7 @@ Elasticsearch language clients are only backwards compatible with default distri
 
 | Elasticsearch Version | Client Version |
 | --------------------- |----------------|
-| `main`                | `main`         |
+| `8.x`                 | `8.x`          |
 | `7.x`                 | `7.x`          |
 | `6.x`                 | `6.x`          |
 | `5.x`                 | `5.x`          |
@@ -74,11 +76,9 @@ We recommend that you write a lightweight proxy that uses this client instead, y
 - [Usage](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-connecting.html#client-usage)
 - [Client configuration](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-configuration.html)
 - [API reference](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/api-reference.html)
-- [Breaking changes coming from the old client](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/breaking-changes.html)
 - [Authentication](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-connecting.html#authentication)
 - [Observability](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/observability.html)
 - [Creating a child client](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/child.html)
-- [Extend the client](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/extend.html)
 - [Client helpers](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-helpers.html)
 - [Typescript support](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/typescript.html)
 - [Testing](https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/client-testing.html)
@@ -86,60 +86,20 @@ We recommend that you write a lightweight proxy that uses this client instead, y
 
 ## Quick start
 
-First of all, require the client and initialize it:
-```js
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
-```
-
-You can use both the callback-style API and the promise-style API, both behave the same way.
-```js
-// promise API
-const result = await client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-})
-
-// callback API
-client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-}, (err, result) => {
-  if (err) console.log(err)
-})
-```
-The returned value of **every** API call is formed as follows:
-```ts
-{
-  body: object | boolean
-  statusCode: number
-  headers: object
-  warnings: [string]
-  meta: object
-}
-```
-
-Let's see a complete example!
 ```js
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   // Let's start by indexing some data
   await client.index({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
@@ -147,8 +107,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6
-    body: {
+    document: {
       character: 'Daenerys Targaryen',
       quote: 'I am the blood of the dragon.'
     }
@@ -156,8 +115,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6
-    body: {
+    document: {
       character: 'Tyrion Lannister',
       quote: 'A mind needs books like a sword needs a whetstone.'
     }
@@ -168,17 +126,14 @@ async function run () {
   await client.indices.refresh({ index: 'game-of-thrones' })
 
   // Let's search!
-  const { body } = await client.search({
+  const result= await client.search({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6
-    body: {
-      query: {
-        match: { quote: 'winter' }
-      }
+    query: {
+      match: { quote: 'winter' }
     }
   })
 
-  console.log(body.hits.hits)
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)
@@ -208,18 +163,24 @@ You will require the packages from your code by using the alias you have defined
 const { Client: Client6 } = require('es6')
 const { Client: Client7 } = require('es7')
 
-const client6 = new Client6({ node: 'http://localhost:9200' })
-const client7 = new Client7({ node: 'http://localhost:9201' })
+const client6 = new Client6({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
+const client7 = new Client7({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
-client6.info(console.log)
-client7.info(console.log)
+client6.info().then(console.log, console.log)
+client7.info().then(console.log, console.log)
 ```
 
-Finally, if you want to install the client for the next version of Elasticsearch *(the one that lives in Elasticsearch’s master branch)*, you can use the following command:
+Finally, if you want to install the client for the next version of Elasticsearch *(the one that lives in Elasticsearch’s main branch)*, you can use the following command:
 ```sh
-npm install esmaster@github:elastic/elasticsearch-js
+npm install esmain@github:elastic/elasticsearch-js
 ```
 
 ## License
 
-This software is licensed under the [Apache 2 license](./LICENSE).
+This software is licensed under the [Apache License 2.0](./LICENSE).

catalog-info.yaml

@@ -0,0 +1,53 @@
+---
+# yaml-language-server: $schema=https://json.schemastore.org/catalog-info.json
+apiVersion: backstage.io/v1alpha1
+kind: Component
+metadata:
+  name: elasticsearch-js
+spec:
+  type: library
+  owner: group:clients-team
+  lifecycle: production
+
+---
+# yaml-language-server: $schema=https://gist.githubusercontent.com/elasticmachine/988b80dae436cafea07d9a4a460a011d/raw/e57ee3bed7a6f73077a3f55a38e76e40ec87a7cf/rre.schema.json
+apiVersion: backstage.io/v1alpha1
+kind: Resource
+metadata:
+  name: elasticsearch-js-integration-tests
+  description: Elasticsearch JavaScript client integration tests
+spec:
+  type: buildkite-pipeline
+  owner: group:clients-team
+  system: buildkite
+  implementation:
+    apiVersion: buildkite.elastic.dev/v1
+    kind: Pipeline
+    metadata:
+      name: Elasticsearch JavaScript client integration tests
+    spec:
+      repository: elastic/elasticsearch-js
+      pipeline_file: .buildkite/pipeline.yml
+      teams:
+        clients-team:
+          access_level: MANAGE_BUILD_AND_READ
+        everyone:
+          access_level: READ_ONLY
+      cancel_intermediate_builds: true
+      cancel_intermediate_builds_branch_filter: '!main'
+      schedules:
+        main_semi_daily:
+          branch: 'main'
+          cronline: '*/12 * * *'
+        8_8_semi_daily:
+          branch: '8.8'
+          cronline: '*/12 * * *'
+        8_7_daily:
+          branch: '8.7'
+          cronline: '@daily'
+        8_6_daily:
+          branch: '8.6'
+          cronline: '@daily'
+        7_17_daily:
+          branch: '7.17'
+          cronline: '@daily'

docs/advanced-config.asciidoc

@@ -30,7 +30,9 @@ class MyConnectionPool extends ConnectionPool {
 }
 
 const client = new Client({
-    ConnectionPool: MyConnectionPool
+  ConnectionPool: MyConnectionPool,
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 ----
 
@@ -45,16 +47,18 @@ is performed here, this means that if you want to swap the default HTTP client
 
 [source,js]
 ----
-const { Client, Connection } = require('@elastic/elasticsearch')
+const { Client, BaseConnection } = require('@elastic/elasticsearch')
 
-class MyConnection extends Connection {
+class MyConnection extends BaseConnection {
   request (params, callback) {
     // your code
   }
 }
 
 const client = new Client({
-  Connection: MyConnection
+  Connection: MyConnection,
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 ----
 
@@ -81,7 +85,9 @@ class MySerializer extends Serializer {
 }
 
 const client = new Client({
-  Serializer: MySerializer
+  Serializer: MySerializer,
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 ----
 
@@ -89,12 +95,12 @@ const client = new Client({
 ==== Migrate to v8
 
 The Node.js client can be configured to emit an HTTP header
-``Accept: application/vnd.elasticsearch+json; compatible-with=7``
+`Accept: application/vnd.elasticsearch+json; compatible-with=7`
 which signals to Elasticsearch that the client is requesting
-``7.x`` version of request and response bodies. This allows for
+`7.x` version of request and response bodies. This allows for
 upgrading from 7.x to 8.x version of Elasticsearch without upgrading
 everything at once. Elasticsearch should be upgraded first after
 the compatibility header is configured and clients should be upgraded
 second.
 To enable to setting, configure the environment variable
-``ELASTIC_CLIENT_APIVERSIONING`` to ``true``.
+`ELASTIC_CLIENT_APIVERSIONING` to `true`.

docs/basic-config.asciidoc

@@ -10,7 +10,8 @@ offers.
 const { Client } = require('@elastic/elasticsearch')
 
 const client = new Client({
-  node: 'http://localhost:9200',
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
   maxRetries: 5,
   requestTimeout: 60000,
   sniffOnStart: true
@@ -32,7 +33,7 @@ Or it can be an object (or an array of objects) that represents the node:
 ----
 node: {
   url: new URL('http://localhost:9200'),
-  ssl: 'ssl options',
+  tls: 'tls options',
   agent: 'http agent options',
   id: 'custom node id',
   headers: { 'custom': 'headers' }
@@ -48,8 +49,7 @@ node: {
 |`auth`
 a|Your authentication data. You can use both basic authentication and
 {ref}/security-api-create-api-key.html[ApiKey]. +
-See https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/auth-reference.html[Authentication]
-for more details. +
+See <<authentication,Authentication>> for more details. +
 _Default:_ `null`
 
 Basic authentication:
@@ -118,8 +118,8 @@ _Default:_ `false`
 _Options:_ `'gzip'`, `false` +
 _Default:_ `false`
 
-|`ssl`
-|`http.SecureContextOptions` - ssl https://nodejs.org/api/tls.html[configuraton]. +
+|`tls`
+|`http.SecureContextOptions` - tls https://nodejs.org/api/tls.html[configuraton]. +
 _Default:_ `null`
 
 |`proxy`
@@ -242,7 +242,7 @@ _Cloud configuration example:_
 ----
 const client = new Client({
   cloud: {
-    id: 'name:bG9jYWxob3N0JGFiY2QkZWZnaA=='
+    id: '<cloud-id>'
   },
   auth: {
     username: 'elastic',
@@ -267,24 +267,4 @@ _Default:_ `null`
 |`number` - When configured, it verifies that the compressed response size is lower than the configured number, if it's higher it will abort the request. It cannot be higher than buffer.constants.MAX_LENTGH +
 _Default:_ `null`
 
-|===
-
-[discrete]
-==== Performances considerations
-
-By default, the client will protection you against prototype poisoning attacks.
-Read https://web.archive.org/web/20200319091159/https://hueniverse.com/square-brackets-are-the-enemy-ff5b9fd8a3e8?gi=184a27ee2a08[this article] to learn more.
-If needed you can disable prototype poisoning protection entirely or one of the two checks.
-Read the `secure-json-parse` https://github.com/fastify/secure-json-parse[documentation] to learn more.
-
-While it's good to be safe, you should know that security always comes with a cost.
-With big enough payloads, this security check could causea drop in the overall performances,
-which might be a problem for your application.
-If you know you can trust the data stored in Elasticsearch, you can safely disable this check.
-
-[source,js]
-----
-const client = new Client({
-  disablePrototypePoisoningProtection: true
-})
-----
+|===

docs/breaking-changes.asciidoc

@@ -1,334 +0,0 @@
-[[breaking-changes]]
-=== Breaking changes coming from the old client
-
-If you were already using the previous version of this client – the one you used 
-to install with `npm install elasticsearch` – you will encounter some breaking 
-changes.
-
-
-[discrete]
-==== Don’t panic!
-
-Every breaking change was carefully weighed, and each is justified. Furthermore, 
-the new codebase has been rewritten with modern JavaScript and has been 
-carefully designed to be easy to maintain.
-
-
-[discrete]
-==== Breaking changes
-
-*  Minimum supported version of Node.js is `v8`.
-
-* Everything has been rewritten using ES6 classes to help users extend the 
-defaults more easily.
-
-* There is no longer an integrated logger. The client now is an event emitter 
-that emits the following events: `request`, `response`, and `error`.
-
-* The code is no longer shipped with all the versions of the API, but only that 
-of the package’s major version. This means that if you are using {es} `v6`, you 
-are required to install `@elastic/elasticsearch@6`, and so on.
-
-* The internals are completely different, so if you used to tweak them a lot, 
-you will need to refactor your code. The public API should be almost the same.
-
-* There is no longer browser support, for that will be distributed via another 
-module: `@elastic/elasticsearch-browser`. This module is intended for Node.js 
-only.
-
-* The returned value of an API call will no longer be the `body`, `statusCode`, 
-and `headers` for callbacks, and only the `body` for promises. The new returned 
-value will be a unique object containing the `body`, `statusCode`, `headers`, 
-`warnings`, and `meta`, for both callback and promises.
-
-
-[source,js]
-----
-// before
-const body = await client.search({
-  index: 'my-index',
-  body: { foo: 'bar' }
-})
-
-client.search({
-  index: 'my-index',
-  body: { foo: 'bar' }
-}, (err, body, statusCode, headers) => {
-  if (err) console.log(err)
-})
-
-// after
-const { body, statusCode, headers, warnings } = await client.search({
-  index: 'my-index',
-  body: { foo: 'bar' }
-})
-
-client.search({
-  index: 'my-index',
-  body: { foo: 'bar' }
-}, (err, { body, statusCode, headers, warnings }) => {
-  if (err) console.log(err)
-})
-----
-
-
-* Errors: there is no longer a custom error class for every HTTP status code 
-(such as `BadRequest` or `NotFound`). There is instead a single `ResponseError`. 
-Every error class has been renamed, and now each is suffixed with `Error` at the 
-end.
-
-* Removed errors: `RequestTypeError`, `Generic`, and all the status code 
-specific errors (such as `BadRequest` or `NotFound`).
-
-* Added errors: `ConfigurationError` (in case of bad configurations) and 
-`ResponseError` that contains all the data you may need to handle the specific 
-error, such as `statusCode`, `headers`, `body`, and `message`.
-
-
-* Renamed errors:
-
-** `RequestTimeout` (408 statusCode) => `TimeoutError`
-** `ConnectionFault` => `ConnectionError`
-** `NoConnections` => `NoLivingConnectionsError`
-** `Serialization` => `SerializationError`
-** `Serialization` => `DeserializationError`
-
-* You must specify the port number in the configuration. In the previous 
-version, you can specify the host and port in a variety of ways. With the new 
-client, there is only one way to do it, via the `node` parameter.
-
-* Certificates are verified by default, if you want to disable certificates verification, you should set the `rejectUnauthorized` option to `false` inside the `ssl` configuration:
-
-[source,js]
-----
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({
-  ssl: { rejectUnauthorized: false }
-})
-----
-
-* The `plugins` option has been removed. If you want to extend the client now, 
-you should use the `client.extend` API.
-
-[source,js]
-----
-// before
-const { Client } = require('elasticsearch')
-const client = new Client({ plugins: [...] })
-
-// after
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ ... })
-client.extend(...)
-----
-
-* There is a clear distinction between the API related parameters and the client 
-related configurations. The parameters `ignore`, `headers`, `requestTimeout` and 
-`maxRetries` are no longer part of the API object and you need to specify them 
-in a second option object.
-
-[source,js]
-----
-// before
-const body = await client.search({
-  index: 'my-index',
-  body: { foo: 'bar' },
-  ignore: [404]
-})
-
-client.search({
-  index: 'my-index',
-  body: { foo: 'bar' },
-  ignore: [404]
-}, (err, body, statusCode, headers) => {
-  if (err) console.log(err)
-})
-
-// after
-const { body, statusCode, headers, warnings } = await client.search({
-  index: 'my-index',
-  body: { foo: 'bar' }
-}, {
-  ignore: [404]
-})
-
-client.search({
-  index: 'my-index',
-  body: { foo: 'bar' }
-}, {
-  ignore: [404]
-}, (err, { body, statusCode, headers, warnings }) => {
-  if (err) console.log(err)
-})
-----
-
-* The `transport.request` method no longer accepts the `query` key. Use the 
-`querystring` key instead (which can be a string or an object). You also 
-need to send a bulk-like request instead of the `body` key, use the `bulkBody` 
-key. In this method, the client specific parameters should be passed as a second 
-object.
-
-[source,js]
-----
-// before
-const body = await client.transport.request({
-  method: 'GET',
-  path: '/my-index/_search',
-  body: { foo: 'bar' },
-  query: { bar: 'baz' }
-  ignore: [404]
-})
-
-client.transport.request({
-  method: 'GET',
-  path: '/my-index/_search',
-  body: { foo: 'bar' },
-  query: { bar: 'baz' }
-  ignore: [404]
-}, (err, body, statusCode, headers) => {
-  if (err) console.log(err)
-})
-
-// after
-const { body, statusCode, headers, warnings } = await client.transport.request({
-  method: 'GET',
-  path: '/my-index/_search',
-  body: { foo: 'bar' },
-  querystring: { bar: 'baz' }
-}, {
-  ignore: [404]
-})
-
-client.transport.request({
-  method: 'GET',
-  path: '/my-index/_search',
-  body: { foo: 'bar' },
-  querystring: { bar: 'baz' }
-}, {
-  ignore: [404]
-}, (err, { body, statusCode, headers, warnings }) => {
-  if (err) console.log(err)
-})
-----
-
-[discrete]
-==== Talk is cheap. Show me the code.
-
-You can find a code snippet with the old client below followed by the same code 
-logic but with the new client.
-
-[source,js]
-----
-const { Client, errors } = require('elasticsearch')
-const client = new Client({
-  host: 'http://localhost:9200',
-  plugins: [utility]
-})
-
-async function run () {
-  try {
-    const body = await client.search({
-      index: 'game-of-thrones',
-      body: {
-        query: {
-          match: { quote: 'winter' }
-        }
-      }
-      ignore: [404]
-    })
-    console.log(body)
-  } catch (err) {
-    if (err instanceof errors.BadRequest) {
-      console.log('Bad request')
-    } else {
-      console.log(err)
-    }
-  }
-}
-
-function utility (Client, config, components) {
-  const ca = components.clientAction.factory
-  Client.prototype.utility = components.clientAction.namespaceFactory()
-  const utility = Client.prototype.utility.prototype
-
-  utility.index = ca({
-    params: {
-      refresh: {
-        type: 'enum',
-        options: [
-          'true',
-          'false',
-          'wait_for',
-          ''
-        ]
-      },
-    },
-    urls: [
-      {
-        fmt: '/<%=index%>/_doc',
-        req: {
-          index: {
-            type: 'string',
-            required: true
-          }
-        }
-      }
-    ],
-    needBody: true,
-    method: 'POST'
-  })
-})
-----
-
-And now with the new client.
-
-[source,js]
-----
-const { Client, errors } = require('@elastic/elasticsearch')
-// NOTE: `host` has been renamed to `node`,
-//       and `plugins` is no longer supported
-const client = new Client({ node: 'http://localhost:9200' })
-
-async function run () {
-  try {
-    // NOTE: we are using the destructuring assignment
-    const { body } = await client.search({
-      index: 'game-of-thrones',
-      body: {
-        query: {
-          match: { quote: 'winter' }
-        }
-      }
-    // NOTE: `ignore` now is in a separated object
-    }, {
-      ignore: [404]
-    })
-    console.log(body)
-  } catch (err) {
-    // NOTE: we are checking the `statusCode` property
-    if (err.statusCode === 400) {
-      console.log('Bad request')
-    } else {
-      console.log(err)
-    }
-  }
-}
-
-// NOTE: we can still extend the client, but with  a different API.
-//       This new API is a little bit more verbose, since you must write
-//       your own validations, but it's way more flexible.
-client.extend('utility.index', ({ makeRequest, ConfigurationError }) => {
-  return function utilityIndex (params, options) {
-    const { body, index, ...querystring } = params
-    if (body == null) throw new ConfigurationError('Missing body')
-    if (index == null) throw new ConfigurationError('Missing index')
-    const requestParams = {
-      method: 'POST',
-      path: `/${index}/_doc`,
-      body: body,
-      querystring
-    }
-    return makeRequest(requestParams, options)
-  }
-})
-----

docs/changelog.asciidoc

@@ -0,0 +1,494 @@
+[[changelog-client]]
+== Release notes
+
+[discrete]
+=== 8.7.3
+
+[discrete]
+===== Bump @elastic/transport to `~8.3.1`
+Switching from `^8.3.1` to `~8.3.1` ensures 8.7 client users are not required to update to Node.js v18+, which is a new requirement set by `@elastic/transport` v8.5.0. See https://github.com/elastic/elastic-transport-js/issues/91[elastic/elastic-transport-js#91] for details.
+
+[discrete]
+=== 8.7.0
+
+[discrete]
+===== Support for Elasticsearch `v8.7.0`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.7/release-notes-8.7.0.html[here].
+
+[discrete]
+=== 8.6.1
+
+[discrete]
+===== Bump @elastic/transport to `~8.3.1`
+Switching from `^8.3.1` to `~8.3.1` ensures 8.6 client users are not required to update to Node.js v18+, which is a new requirement set by `@elastic/transport` v8.5.0. See https://github.com/elastic/elastic-transport-js/issues/91[elastic/elastic-transport-js#91] for details.
+
+[discrete]
+=== 8.6.0
+
+[discrete]
+===== Bump @elastic/transport to 8.3.1+ https://github.com/elastic/elasticsearch-js/pull/1802[#1802]
+
+The `@elastic/transport` dependency has been bumped to `~8.3.1` to ensure
+fixes to the `maxResponseSize` option are available in the client.
+
+[discrete]
+===== Support for Elasticsearch `v8.6.0`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.6/release-notes-8.6.0.html[here].
+
+[discrete]
+=== 8.5.0
+
+[discrete]
+===== Support for Elasticsearch `v8.5.0`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.5/release-notes-8.5.0.html[here].
+
+[discrete]
+=== 8.4.0
+
+[discrete]
+===== Support for Elasticsearch `v8.4.0`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.4/release-notes-8.4.0.html[here].
+
+[discrete]
+=== 8.2.1
+
+[discrete]
+==== Fixes
+
+[discrete]
+===== Support for Elasticsearch `v8.2.1`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.2/release-notes-8.2.1.html[here].
+
+[discrete]
+===== Fix ndjson APIs https://github.com/elastic/elasticsearch-js/pull/1688[#1688]
+
+The previous release contained a bug that broken ndjson APIs.
+We have released `v8.2.0-patch.1` to address this.
+This fix is the same as the one we have released and we strongly recommend upgrading to this version.
+
+[discrete]
+===== Fix node shutdown apis https://github.com/elastic/elasticsearch-js/pull/1697[#1697]
+
+The shutdown APIs wheren't complete, this fix completes them.
+
+[discrete]
+==== Types: move query keys to body https://github.com/elastic/elasticsearch-js/pull/1693[#1693]
+
+The types definitions where wrongly representing the types of fields present in both query and body.
+
+[discrete]
+=== 8.2.0
+
+[discrete]
+==== Breaking changes
+
+[discrete]
+===== Drop Node.js v12 https://github.com/elastic/elasticsearch-js/pull/1670[#1670]
+
+According to our https://github.com/elastic/elasticsearch-js#nodejs-support[Node.js support matrix].
+
+[discrete]
+==== Features
+
+[discrete]
+===== Support for Elasticsearch `v8.2`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.2/release-notes-8.2.0.html[here].
+
+[discrete]
+===== More lenient parameter checks https://github.com/elastic/elasticsearch-js/pull/1662[#1662]
+
+When creating a new client, an `undefined` `caFingerprint` no longer trigger an error for a http connection.
+
+[discrete]
+===== Update TypeScript docs and export estypes https://github.com/elastic/elasticsearch-js/pull/1675[#1675]
+
+You can import the full TypeScript requests & responses definitions as it follows:
+[source,ts]
+----
+import { estypes } from '@elastic/elasticsearch'
+----
+
+If you need the legacy definitions with the body, you can do the following:
+
+[source,ts]
+----
+import { estypesWithBody } from '@elastic/elasticsearch'
+----
+
+[discrete]
+==== Fixes
+
+[discrete]
+===== Updated hpagent to the latest version https://github.com/elastic/elastic-transport-js/pull/49[transport/#49]
+
+You can fing the related changes https://github.com/delvedor/hpagent/releases/tag/v1.0.0[here].
+
+[discrete]
+=== 8.1.0
+
+[discrete]
+==== Features
+
+[discrete]
+===== Support for Elasticsearch `v8.1`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.1/release-notes-8.1.0.html[here].
+
+[discrete]
+===== Export SniffingTransport https://github.com/elastic/elasticsearch-js/pull/1653[#1653]
+
+Now the client exports the SniffingTransport class.
+
+[discrete]
+==== Fixes
+
+[discrete]
+===== Fix onFlushTimeout timer not being cleared when upstream errors https://github.com/elastic/elasticsearch-js/pull/1616[#1616]
+
+Fixes a memory leak caused by an error in the upstream dataset of the bulk helper.
+
+[discrete]
+===== Cleanup abort listener https://github.com/elastic/elastic-transport-js/pull/42[transport/#42]
+
+The legacy http client was not cleaning up the abort listener, which could cause a memory leak.
+
+[discrete]
+===== Improve undici performances https://github.com/elastic/elastic-transport-js/pull/41[transport/#41]
+
+Improve the stream body collection and keep alive timeout.
+
+[discrete]
+=== 8.0.0
+
+[discrete]
+==== Features
+
+[discrete]
+===== Support for Elasticsearch `v8.0`
+
+You can find all the API changes
+https://www.elastic.co/guide/en/elasticsearch/reference/8.0/release-notes-8.0.0.html[here].
+
+[discrete]
+===== Drop old typescript definitions
+
+*Breaking: Yes* | *Migration effort: Medium*
+
+The current TypeScript definitions will be removed from the client, and the new definitions, which contain request and response definitions as well will be shipped by default.
+
+[discrete]
+===== Drop callback-style API
+
+*Breaking: Yes* | *Migration effort: Large*
+
+Maintaining both API styles is not a problem per se, but it makes error handling more convoluted due to async stack traces.
+Moving to a full-promise API will solve this issue.
+
+[source,js]
+----
+// callback-style api
+client.search({ params }, { options }, (err, result) => {
+ console.log(err || result)
+})
+
+// promise-style api
+client.search({ params }, { options })
+  .then(console.log)
+  .catch(console.log)
+  
+// async-style (sugar syntax on top of promises)
+const response = await client.search({ params }, { options })
+console.log(response)
+----
+
+If you are already using the promise-style API, this won't be a breaking change for you.
+
+[discrete]
+===== Remove the current abort API and use the new AbortController standard
+
+*Breaking: Yes* | *Migration effort: Small*
+
+The old abort API makes sense for callbacks but it's annoying to use with promises
+
+[source,js]
+----
+// callback-style api
+const request = client.search({ params }, { options }, (err, result) => {
+ console.log(err) // RequestAbortedError
+})
+
+request.abort()
+
+// promise-style api
+const promise = client.search({ params }, { options })
+
+promise
+  .then(console.log)
+  .catch(console.log) // RequestAbortedError
+
+promise.abort()
+----
+
+Node v12 has added the standard https://nodejs.org/api/globals.html#globals_class_abortcontroller[`AbortController`] API which is designed to work well with both callbacks and promises.
+[source,js]
+----
+const ac = new AbortController()
+client.search({ params }, { signal: ac.signal })
+  .then(console.log)
+  .catch(console.log) // RequestAbortedError
+
+ac.abort()
+----
+
+[discrete]
+===== Remove the body key from the request
+
+*Breaking: Yes* | *Migration effort: Small*
+
+Thanks to the new types we are developing now we know exactly where a parameter should go.
+The client API leaks HTTP-related notions in many places, and removing them would definitely improve the DX.
+
+This could be a rather big breaking change, so a double solution could be used during the 8.x lifecycle. (accepting body keys without them being wrapped in the body as well as the current solution).
+
+[source,js]
+----
+// from
+const response = await client.search({
+  index: 'test',
+  body: {
+    query: {
+      match_all: {}
+    }
+  }
+})
+
+// to
+const response = await client.search({
+  index: 'test',
+  query: {
+    match_all: {}
+  }
+})
+----
+
+[discrete]
+===== Migrate to new separate transport
+
+*Breaking: Yes* | *Migration effort: Small to none*
+
+The separated transport has been rewritten in TypeScript and has already dropped the callback style API.
+Given that now is separated, most of the Elasticsearch specific concepts have been removed, and the client will likely need to extend parts of it for reintroducing them.
+If you weren't extending the internals of the client, this won't be a breaking change for you.
+
+[discrete]
+===== The returned value of API calls is the body and not the HTTP related keys
+
+*Breaking: Yes* | *Migration effort: Small*
+
+The client API leaks HTTP-related notions in many places, and removing them would definitely improve the DX.
+The client will expose a new request-specific option to still get the full response details.
+
+[source,js]
+----
+// from
+const response = await client.search({
+  index: 'test',
+  body: {
+    query: {
+      match_all: {}
+    }
+  }
+})
+console.log(response) // { body: SearchResponse, statusCode: number, headers: object, warnings: array }
+
+// to
+const response = await client.search({
+  index: 'test',
+  query: {
+    match_all: {}
+  }
+})
+console.log(response) // SearchResponse
+
+// with a bit of TypeScript and JavaScript magic...
+const response = await client.search({
+  index: 'test',
+  query: {
+    match_all: {}
+  }
+}, {
+  meta: true
+})
+console.log(response) // { body: SearchResponse, statusCode: number, headers: object, warnings: array }
+----
+
+[discrete]
+===== Use a weighted connection pool
+
+*Breaking: Yes* | *Migration effort: Small to none*
+
+Move from the current cluster connection pool to a weight-based implementation.
+This new implementation offers better performances and runs less code in the background, the old connection pool can still be used.
+If you weren't extending the internals of the client, this won't be a breaking change for you.
+
+[discrete]
+===== Migrate to the "undici" http client
+
+*Breaking: Yes* | *Migration effort: Small to none*
+
+By default, the HTTP client will no longer be the default Node.js HTTP client, but https://github.com/nodejs/undici[undici] instead.
+Undici is a brand new HTTP client written from scratch, it offers vastly improved performances and has better support for promises.
+Furthermore, it offers comprehensive and predictable error handling. The old HTTP client can still be used.
+If you weren't extending the internals of the client, this won't be a breaking change for you.
+
+[discrete]
+===== Drop support for old camelCased keys
+
+*Breaking: Yes* | *Migration effort: Medium*
+
+Currently, every path or query parameter could be expressed in both `snake_case` and `camelCase`. Internally the client will convert everything to `snake_case`. 
+This was done in an effort to reduce the friction of migrating from the legacy to the new client, but now it no longer makes sense.
+If you are already using `snake_case` keys, this won't be a breaking change for you.
+
+[discrete]
+===== Rename `ssl` option to `tls`
+
+*Breaking: Yes* | *Migration effort: Small*
+
+People usually refers to this as `tls`, furthermore, internally we use the tls API and Node.js refers to it as tls everywhere.
+[source,js]
+----
+// before
+const client = new Client({
+  node: 'https://localhost:9200',
+  ssl: {
+    rejectUnauthorized: false
+  }
+})
+
+// after
+const client = new Client({
+  node: 'https://localhost:9200',
+  tls: {
+    rejectUnauthorized: false
+  }
+})
+----
+
+[discrete]
+===== Remove prototype poisoning protection
+
+*Breaking: Yes* | *Migration effort: Small*
+
+Prototype poisoning protection is very useful, but it can cause performances issues with big payloads.
+In v8 it will be removed, and the documentation will show how to add it back with a custom serializer.
+
+[discrete]
+===== Remove client extensions API
+
+*Breaking: Yes* | *Migration effort: Large*
+
+Nowadays the client support the entire Elasticsearch API, and the `transport.request` method can be used if necessary. The client extensions API have no reason to exist.
+[source,js]
+----
+client.extend('utility.index', ({ makeRequest }) => {
+  return function _index (params, options) {
+    // your code
+  }
+})
+
+client.utility.index(...)
+----
+
+If you weren't using client extensions, this won't be a breaking change for you.
+
+[discrete]
+===== Move to TypeScript
+
+*Breaking: No* | *Migration effort: None*
+
+The new separated transport is already written in TypeScript, and it makes sense that the client v8 will be fully written in TypeScript as well.
+
+[discrete]
+===== Move from emitter-like interface to a diagnostic method
+
+*Breaking: Yes* | *Migration effort: Small*
+
+Currently, the client offers a subset of methods of the `EventEmitter` class, v8 will ship with a `diagnostic` property which will be a proper event emitter.
+[source,js]
+----
+// from
+client.on('request', console.log)
+
+// to
+client.diagnostic.on('request', console.log)
+----
+
+[discrete]
+===== Remove username & password properties from Cloud configuration
+
+*Breaking: Yes* | *Migration effort: Small*
+
+The Cloud configuration does not support ApiKey and Bearer auth, while the `auth` options does.
+There is no need to keep the legacy basic auth support in the cloud configuration.
+[source,js]
+----
+// before
+const client = new Client({
+  cloud: {
+    id: '<cloud-id>',
+    username: 'elastic',
+    password: 'changeme'
+  }
+})
+
+// after
+const client = new Client({
+  cloud: {
+    id: '<cloud-id>'
+  },
+  auth: {
+    username: 'elastic',
+    password: 'changeme'
+  }
+})
+----
+
+If you are already passing the basic auth options in the `auth` configuration, this won't be a breaking change for you.
+
+[discrete]
+===== Calling `client.close` will reject new requests
+
+Once you call `client.close` every new request after that will be rejected with a `NoLivingConnectionsError`. In-flight requests will be executed normally unless an in-flight request requires a retry, in which case it will be rejected.
+
+[discrete]
+===== Parameters rename
+
+- `ilm.delete_lifecycle`: `policy` parameter has been renamed to `name`
+- `ilm.get_lifecycle`: `policy` parameter has been renamed to `name`
+- `ilm.put_lifecycle`: `policy` parameter has been renamed to `name`
+- `snapshot.cleanup_repository`: `repository` parameter has been renamed to `name`
+- `snapshot.create_repository`: `repository` parameter has been renamed to `name`
+- `snapshot.delete_repository`: `repository` parameter has been renamed to `name`
+- `snapshot.get_repository`: `repository` parameter has been renamed to `name`
+- `snapshot.verify_repository`: `repository` parameter has been renamed to `name`
+
+[discrete]
+===== Removal of snake_cased methods
+
+The v7 client provided snake_cased methods, such as `client.delete_by_query`. This is no longer supported, now only camelCased method are present.
+So `client.delete_by_query` can be accessed with `client.deleteByQuery`
+

docs/child.asciidoc

@@ -22,12 +22,15 @@ will be closed.
 [source,js]
 ----
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const child = client.child({
   headers: { 'x-foo': 'bar' },
   requestTimeout: 1000
 })
 
-client.info(console.log)
-child.info(console.log)
+client.info().then(console.log, console.log)
+child.info().then(console.log, console.log)
 ----

docs/configuration.asciidoc

@@ -8,5 +8,4 @@ section, you can see the possible options that you can use to configure it.
 * <<basic-config>>
 * <<advanced-config>>
 * <<child>>
-* <<extend>>
 * <<client-testing>>

docs/connecting.asciidoc

@@ -6,14 +6,14 @@ This page contains the information you need to connect and use the Client with
 
 **On this page**
 
-* <<auth-reference, Authentication options>>
+* <<authentication, Authentication options>>
 * <<client-usage, Using the client>>
 * <<client-faas-env, Using the Client in a Function-as-a-Service Environment>>
 * <<client-connect-proxy, Connecting through a proxy>>
 * <<client-error-handling, Handling errors>>
 * <<product-check, Automatic product check>>
 
-[[auth-reference]]
+[[authentication]]
 [discrete]
 === Authentication
 
@@ -32,7 +32,7 @@ the `auth` option.
 
 NOTE: When connecting to Elastic Cloud, the client will automatically enable 
 both request and response compression by default, since it yields significant 
-throughput improvements. Moreover, the client will also set the ssl option 
+throughput improvements. Moreover, the client will also set the tls option 
 `secureProtocol` to `TLSv1_2_method` unless specified otherwise. You can still 
 override this option by configuring them.
 
@@ -46,7 +46,7 @@ to know more.
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
   cloud: {
-    id: 'name:bG9jYWxob3N0JGFiY2QkZWZnaA==',
+    id: '<cloud-id>'
   },
   auth: {
     username: 'elastic',
@@ -55,6 +55,152 @@ const client = new Client({
 })
 ----
 
+[discrete]
+[[connect-self-managed-new]]
+=== Connecting to a self-managed cluster
+
+By default {es} will start with security features like authentication and TLS 
+enabled. To connect to the {es} cluster you'll need to configure the Node.js {es} 
+client to use HTTPS with the generated CA certificate in order to make requests 
+successfully.
+
+If you're just getting started with {es} we recommend reading the documentation 
+on https://www.elastic.co/guide/en/elasticsearch/reference/current/settings.html[configuring] 
+and 
+https://www.elastic.co/guide/en/elasticsearch/reference/current/starting-elasticsearch.html[starting {es}] 
+to ensure your cluster is running as expected.
+
+When you start {es} for the first time you'll see a distinct block like the one 
+below in the output from {es} (you may have to scroll up if it's been a while):
+
+[source,sh]
+----
+
+-> Elasticsearch security features have been automatically configured!
+-> Authentication is enabled and cluster connections are encrypted.
+
+->  Password for the elastic user (reset with `bin/elasticsearch-reset-password -u elastic`):
+  lhQpLELkjkrawaBoaz0Q
+
+->  HTTP CA certificate SHA-256 fingerprint:
+  a52dd93511e8c6045e21f16654b77c9ee0f34aea26d9f40320b531c474676228
+...
+
+----
+
+Depending on the circumstances there are two options for verifying the HTTPS 
+connection, either verifying with the CA certificate itself or via the HTTP CA 
+certificate fingerprint.
+
+[discrete]
+[[auth-tls]]
+==== TLS configuration
+
+The generated root CA certificate can be found in the `certs` directory in your 
+{es} config location (`$ES_CONF_PATH/certs/http_ca.crt`). If you're running {es} 
+in Docker there is 
+https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html[additional documentation for retrieving the CA certificate].
+
+Without any additional configuration you can specify `https://` node urls, and 
+the certificates used to sign these requests will be verified. To turn off 
+certificate verification, you must specify an `tls` object in the top level 
+config and set `rejectUnauthorized: false`. The default `tls` values are the 
+same that Node.js's https://nodejs.org/api/tls.html#tls_tls_connect_options_callback[`tls.connect()`] 
+uses.
+
+[source,js]
+----
+const { Client } = require('@elastic/elasticsearch')
+const client = new Client({
+  node: 'https://localhost:9200',
+  auth: {
+    username: 'elastic',
+    password: 'changeme'
+  },
+  tls: {
+    ca: fs.readFileSync('./http_ca.crt'),
+    rejectUnauthorized: false
+  }
+})
+----
+
+[discrete]
+[[auth-ca-fingerprint]]
+==== CA fingerprint
+
+You can configure the client to only trust certificates that are signed by a specific CA certificate
+(CA certificate pinning) by providing a `caFingerprint` option.
+This will verify that the fingerprint of the CA certificate that has signed
+the certificate of the server matches the supplied value.
+You must configure a SHA256 digest.
+
+[source,js]
+----
+const { Client } = require('@elastic/elasticsearch')
+const client = new Client({
+  node: 'https://example.com'
+  auth: { ... },
+  // the fingerprint (SHA256) of the CA certificate that is used to sign
+  // the certificate that the Elasticsearch node presents for TLS.
+  caFingerprint: '20:0D:CA:FA:76:...',
+  tls: {
+    // might be required if it's a self-signed certificate
+    rejectUnauthorized: false
+  }
+})
+----
+
+The certificate fingerprint can be calculated using `openssl x509` with the 
+certificate file:
+
+[source,sh]
+----
+openssl x509 -fingerprint -sha256 -noout -in /path/to/http_ca.crt
+----
+
+If you don't have access to the generated CA file from {es} you can use the 
+following script to output the root CA fingerprint of the {es} instance with 
+`openssl s_client`:
+
+[source,sh]
+----
+# Replace the values of 'localhost' and '9200' to the
+# corresponding host and port values for the cluster.
+openssl s_client -connect localhost:9200 -servername localhost -showcerts </dev/null 2>/dev/null \
+  | openssl x509 -fingerprint -sha256 -noout -in /dev/stdin
+----
+
+The output of `openssl x509` will look something like this:
+
+[source,sh]
+----
+SHA256 Fingerprint=A5:2D:D9:35:11:E8:C6:04:5E:21:F1:66:54:B7:7C:9E:E0:F3:4A:EA:26:D9:F4:03:20:B5:31:C4:74:67:62:28
+----
+
+
+[discrete]
+[[connect-no-security]]
+=== Connecting without security enabled
+
+WARNING: Running {es} without security enabled is not recommended.
+
+If your cluster is configured with 
+https://www.elastic.co/guide/en/elasticsearch/reference/current/security-settings.html[security explicitly disabled] 
+then you can connect via HTTP:
+
+[source,js]
+----
+const { Client } = require('@elastic/elasticsearch')
+const client = new Client({
+  node: 'http://example.com'
+})
+----
+
+[discrete]
+[[auth-strategies]]
+=== Authentication strategies
+
+Following you can find all the supported authentication strategies.
 
 [discrete]
 [[auth-apikey]]
@@ -150,57 +296,6 @@ const client = new Client({
 ----
 
 
-[discrete]
-[[auth-ssl]]
-==== SSL configuration
-
-Without any additional configuration you can specify `https://` node urls, and 
-the certificates used to sign these requests will be verified. To turn off 
-certificate verification, you must specify an `ssl` object in the top level 
-config and set `rejectUnauthorized: false`. The default `ssl` values are the 
-same that Node.js's https://nodejs.org/api/tls.html#tls_tls_connect_options_callback[`tls.connect()`] 
-uses.
-
-[source,js]
-----
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({
-  node: 'https://localhost:9200',
-  auth: {
-    username: 'elastic',
-    password: 'changeme'
-  },
-  ssl: {
-    ca: fs.readFileSync('./cacert.pem'),
-    rejectUnauthorized: false
-  }
-})
-----
-
-[discrete]
-[[auth-ca-fingerprint]]
-==== CA fingerprint
-
-You can configure the client to only trust certificates that are signed by a specific CA certificate ( CA certificate pinning ) by providing a `caFingerprint` option. This will verify that the fingerprint of the CA certificate that has signed the certificate of the server matches the supplied value.
-a `caFingerprint` option, which will verify the supplied certificate authority fingerprint.
-You must configure a SHA256 digest.
-
-[source,js]
-----
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({
-  node: 'https://example.com'
-  auth: { ... },
-  // the fingerprint (SHA256) of the CA certificate that is used to sign the certificate that the Elasticsearch node presents for TLS.
-  caFingerprint: '20:0D:CA:FA:76:...',
-  ssl: {
-    // might be required if it's a self-signed certificate
-    rejectUnauthorized: false
-  }
-})
-----
-
-
 [discrete]
 [[client-usage]]
 === Usage
@@ -212,33 +307,40 @@ and every method exposes the same signature.
 [source,js]
 ----
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
-
-// promise API
-const result = await client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 
-// callback API
-client.search({
+const result = await client.search({
   index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
+  query: {
+    match: { hello: 'world' }
   }
-}, (err, result) => {
-  if (err) console.log(err)
 })
 ----
 
-The returned value of every API call is designed as follows:
+The returned value of every API call is the response body from {es}.
+If you need to access additonal metadata, such as the status code or headers,
+you must specify `meta: true` in the request options:
 
+[source,js]
+----
+const { Client } = require('@elastic/elasticsearch')
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
+
+const result = await client.search({
+  index: 'my-index',
+  query: {
+    match: { hello: 'world' }
+  }
+}, { meta: true })
+----
+
+In this case, the result will be: 
 [source,ts]
 ----
 {
@@ -252,44 +354,10 @@ The returned value of every API call is designed as follows:
 
 NOTE: The body is a boolean value when you use `HEAD` APIs.
 
-The above value is returned even if there is an error during the execution of
-the request, this means that you can safely use the
-https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment[destructuring assignment].
-
-The `meta` key contains all the information about the request, such as attempt,
-options, and the connection that has been used.
-
-[source,js]
-----
-// promise API
-const { body } = await client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-})
-
-// callback API
-client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-}, (err, { body }) => {
-  if (err) console.log(err)
-})
-----
-
-
 [discrete]
 ==== Aborting a request
 
-If needed, you can abort a running request by calling the `request.abort()` 
-method returned by the API.
+If needed, you can abort a running request by using the `AbortController` standard.
 
 CAUTION: If you abort a request, the request will fail with a 
 `RequestAbortedError`.
@@ -297,51 +365,24 @@ CAUTION: If you abort a request, the request will fail with a
 
 [source,js]
 ----
-const request = client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-}, {
-  ignore: [404],
-  maxRetries: 3
-}, (err, result) => {
-  if (err) {
-    console.log(err) // RequestAbortedError
-  } else {
-    console.log(result)
-  }
+const AbortController = require('node-abort-controller')
+const { Client } = require('@elastic/elasticsearch')
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 
-request.abort()
-----
+const abortController = new AbortController()
+setImmediate(() => abortController.abort())
 
-The same behavior is valid for the promise style API as well.
-
-[source,js]
-----
-const request = client.search({
+const result = await client.search({
   index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
+  query: {
+    match: { hello: 'world' }
   }
-}, {
-  ignore: [404],
-  maxRetries: 3
-})
-
-request
-  .then(result => console.log(result))
-  .catch(err => console.log(err)) // RequestAbortedError
-
-request.abort()
+}, { signal: abortController.signal })
 ----
 
-
 [discrete]
 ==== Request specific options
 
@@ -349,7 +390,6 @@ If needed you can pass request specific options in a second object:
 
 [source,js]
 ----
-// promise API
 const result = await client.search({
   index: 'my-index',
   body: {
@@ -361,21 +401,6 @@ const result = await client.search({
   ignore: [404],
   maxRetries: 3
 })
-
-// callback API
-client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-}, {
-  ignore: [404],
-  maxRetries: 3
-}, (err, { body }) => {
-  if (err) console.log(err)
-})
 ----
 
 
@@ -427,6 +452,10 @@ _Default:_ `null`
 |`number` - When configured, it verifies that the compressed response size is lower than the configured number, if it's higher it will abort the request. It cannot be higher than buffer.constants.MAX_LENTGH +
 _Default:_ `null`
 
+|`signal`
+|`AbortSignal` - The AbortSignal instance to allow request abortion. +
+_Default:_ `null`
+
 |===
 
 [discrete]

docs/examples/asStream.asciidoc

@@ -9,12 +9,15 @@ data.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
-  const { body: bulkResponse } = await client.bulk({
+  const bulkResponse = await client.bulk({
     refresh: true,
-    body: [
+    operations: [
       // operation to perform
       { index: { _index: 'game-of-thrones' } },
       // the document to index
@@ -43,13 +46,11 @@ async function run () {
   }
 
   // Let's search!
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'game-of-thrones',
-    body: {
-      query: {
-        match: {
-          quote: 'winter'
-        }
+    query: {
+      match: {
+        quote: 'winter'
       }
     }
   }, {
@@ -59,17 +60,17 @@ async function run () {
   // stream async iteration, available in Node.js ≥ 10
   let payload = ''
   body.setEncoding('utf8')
-  for await (const chunk of body) {
+  for await (const chunk of result) {
     payload += chunk
   }
   console.log(JSON.parse(payload))
 
   // classic stream callback style
   let payload = ''
-  body.setEncoding('utf8')
-  body.on('data', chunk => { payload += chunk })
-  body.on('error', console.log)
-  body.on('end', () => {
+  result.setEncoding('utf8')
+  result.on('data', chunk => { payload += chunk })
+  result.on('error', console.log)
+  result.on('end', () => {
     console.log(JSON.parse(payload))
   })
 }
@@ -85,15 +86,19 @@ send it directly to another source.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const fastify = require('fastify')()
 
 fastify.post('/search/:index', async (req, reply) => {
   const { body, statusCode, headers } = await client.search({
     index: req.params.index,
-    body: req.body
+    ...req.body
   }, {
-    asStream: true
+    asStream: true,
+    meta: true
   })
 
   reply.code(statusCode).headers(headers)

docs/examples/bulk.asciidoc

@@ -13,13 +13,14 @@ NOTE: Did you know that we provide an helper for sending bulk request? You can f
 require('array.prototype.flatmap').shim()
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
-  node: 'http://localhost:9200'
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 
 async function run () {
   await client.indices.create({
     index: 'tweets',
-    body: {
+    operations: {
       mappings: {
         properties: {
           id: { type: 'integer' },
@@ -58,9 +59,9 @@ async function run () {
     date: new Date()
   }]
 
-  const body = dataset.flatMap(doc => [{ index: { _index: 'tweets' } }, doc])
+  const operations = dataset.flatMap(doc => [{ index: { _index: 'tweets' } }, doc])
 
-  const { body: bulkResponse } = await client.bulk({ refresh: true, body })
+  const bulkResponse = await client.bulk({ refresh: true, operations })
 
   if (bulkResponse.errors) {
     const erroredDocuments = []
@@ -76,15 +77,15 @@ async function run () {
           // fix the document before to try it again.
           status: action[operation].status,
           error: action[operation].error,
-          operation: body[i * 2],
-          document: body[i * 2 + 1]
+          operation: operations[i * 2],
+          document: operations[i * 2 + 1]
         })
       }
     })
     console.log(erroredDocuments)
   }
 
-  const { body: count } = await client.count({ index: 'tweets' })
+  const count = await client.count({ index: 'tweets' })
   console.log(count)
 }
 

docs/examples/exists.asciidoc

@@ -10,24 +10,27 @@ NOTE: Since this API uses the `HEAD` method, the body value will be boolean.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
     id: '1',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
   })
 
-  const { body } = await client.exists({
+  const exists = await client.exists({
     index: 'game-of-thrones',
     id: 1
   })
 
-  console.log(body) // true
+  console.log(exists) // true
 }
 
 run().catch(console.log)

docs/examples/get.asciidoc

@@ -10,24 +10,27 @@ The following example gets a JSON document from an index called
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
     id: '1',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
   })
 
-  const { body } = await client.get({
+  const document = await client.get({
     index: 'game-of-thrones',
     id: '1'
   })
 
-  console.log(body)
+  console.log(document)
 }
 
 run().catch(console.log)

docs/examples/ignore.asciidoc

@@ -8,12 +8,15 @@ HTTP status codes which should not be considered errors for this request.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
-  const { body: bulkResponse } = await client.bulk({
+  const bulkResponse = await client.bulk({
     refresh: true,
-    body: [
+    operations: [
       // operation to perform
       { index: { _index: 'game-of-thrones' } },
       // the document to index
@@ -42,7 +45,7 @@ async function run () {
   }
 
   // Let's search!
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'game-of-thrones',
     body: {
       query: {
@@ -55,7 +58,7 @@ async function run () {
     ignore: [404]
   })
 
-  console.log(body) // ResponseError
+  console.log(result) // ResponseError
 }
 
 run().catch(console.log)

docs/examples/index.asciidoc

@@ -17,7 +17,6 @@ Following you can find some examples on how to use the client.
 * Executing a <<search_examples,search>> request;
 * I need <<suggest_examples,suggestions>>;
 * How to use the <<transport_request_examples,transport.request>> method;
-* How to use <<typescript_examples,TypeScript>>;
 
 include::asStream.asciidoc[]
 include::bulk.asciidoc[]
@@ -29,7 +28,6 @@ include::scroll.asciidoc[]
 include::search.asciidoc[]
 include::suggest.asciidoc[]
 include::transport.request.asciidoc[]
-include::typescript.asciidoc[]
 include::sql.query.asciidoc[]
 include::update.asciidoc[]
 include::update_by_query.asciidoc[]

docs/examples/msearch.asciidoc

@@ -9,12 +9,15 @@ API.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
-  const { body: bulkResponse } = await client.bulk({
+  const bulkResponse = await client.bulk({
     refresh: true,
-    body: [
+    operations: [
       { index: { _index: 'game-of-thrones' } },
       {
         character: 'Ned Stark',
@@ -40,8 +43,8 @@ async function run () {
     process.exit(1)
   }
 
-  const { body } = await client.msearch({
-    body: [
+  const result = await client.msearch({
+    searches: [
       { index: 'game-of-thrones' },
       { query: { match: { character: 'Daenerys' } } },
 
@@ -50,7 +53,7 @@ async function run () {
     ]
   })
 
-  console.log(body.responses)
+  console.log(result.responses)
 }
 
 run().catch(console.log)

docs/examples/proxy/api/autocomplete.js

@@ -70,17 +70,15 @@ module.exports = async (req, res) => {
       // expose you to the risk that a malicious user
       // could overload your cluster by crafting
       // expensive queries.
-      body: {
-        _source: ['id', 'url', 'name'], // the fields you want to show in the autocompletion
-        size: 0,
-        // https://www.elastic.co/guide/en/elasticsearch/reference/current/search-suggesters-completion.html
-        suggest: {
-          suggestions: {
-            prefix: req.query.q,
-            completion: {
-              field: 'suggest',
-              size: 5
-            }
+      _source: ['id', 'url', 'name'], // the fields you want to show in the autocompletion
+      size: 0,
+      // https://www.elastic.co/guide/en/elasticsearch/reference/current/search-suggesters-completion.html
+      suggest: {
+        suggestions: {
+          prefix: req.query.q,
+          completion: {
+            field: 'suggest',
+            size: 5
           }
         }
       }
@@ -93,7 +91,7 @@ module.exports = async (req, res) => {
     // It might be useful to configure http control caching headers
     // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
     // res.setHeader('stale-while-revalidate', '30')
-    res.json(response.body)
+    res.json(response)
   } catch (err) {
     res.status(err.statusCode || 500)
     res.json({

docs/examples/proxy/api/delete.js

@@ -62,7 +62,7 @@ module.exports = async (req, res) => {
       }
     })
 
-    res.json(response.body)
+    res.json(response)
   } catch (err) {
     res.status(err.statusCode || 500)
     res.json({

docs/examples/proxy/api/index.js

@@ -56,11 +56,12 @@ module.exports = async (req, res) => {
     const response = await client.index({
       index: INDEX,
       id: req.query.id,
-      body: req.body
+      document: req.body
     }, {
       headers: {
         Authorization: `ApiKey ${token}`
-      }
+      },
+      meta: true
     })
 
     res.status(response.statusCode)

docs/examples/proxy/api/search.js

@@ -60,10 +60,8 @@ module.exports = async (req, res) => {
       // expose you to the risk that a malicious user
       // could overload your cluster by crafting
       // expensive queries.
-      body: {
-        query: {
-          match: { field: req.body.text }
-        }
+      query: {
+        match: { field: req.body.text }
       }
     }, {
       headers: {
@@ -74,7 +72,7 @@ module.exports = async (req, res) => {
     // It might be useful to configure http control caching headers
     // https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
     // res.setHeader('stale-while-revalidate', '30')
-    res.json(response.body)
+    res.json(response)
   } catch (err) {
     res.status(err.statusCode || 500)
     res.json({

docs/examples/proxy/package.json

@@ -11,7 +11,7 @@
   "author": "Tomas Della Vedova",
   "license": "Apache-2.0",
   "dependencies": {
-    "@elastic/elasticsearch": "^7.10.0"
+    "@elastic/elasticsearch": "^8.0.0"
   },
   "devDependencies": {
     "standard": "^16.0.3"

docs/examples/proxy/utils/prepare-elasticsearch.js

@@ -43,21 +43,19 @@ async function generateApiKeys (opts) {
     }
   })
 
-  const { body } = await client.security.createApiKey({
-    body: {
-      name: 'elasticsearch-proxy',
-      role_descriptors: {
-        'elasticsearch-proxy-users': {
-          index: [{
-            names: indexNames,
-            privileges
-          }]
-        }
+  const result = await client.security.createApiKey({
+    name: 'elasticsearch-proxy',
+    role_descriptors: {
+      'elasticsearch-proxy-users': {
+        index: [{
+          names: indexNames,
+          privileges
+        }]
       }
     }
   })
 
-  return Buffer.from(`${body.id}:${body.api_key}`).toString('base64')
+  return Buffer.from(`${result.id}:${result.api_key}`).toString('base64')
 }
 
 generateApiKeys()

docs/examples/reindex.asciidoc

@@ -15,12 +15,15 @@ the house Stark and remove the `house` field from the document source.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.',
       house: 'stark'
@@ -29,7 +32,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Arya Stark',
       quote: 'A girl is Arya Stark of Winterfell. And I\'m going home.',
       house: 'stark'
@@ -39,7 +42,7 @@ async function run () {
   await client.index({
     index: 'game-of-thrones',
     refresh: true,
-    body: {
+    document: {
       character: 'Tyrion Lannister',
       quote: 'A Lannister always pays his debts.',
       house: 'lannister'
@@ -47,33 +50,29 @@ async function run () {
   })
 
   await client.reindex({
-    waitForCompletion: true,
+    wait_for_completion: true,
     refresh: true,
-    body: {
-      source: {
-        index: 'game-of-thrones',
-        query: {
-          match: { character: 'stark' }
-        }
-      },
-      dest: {
-        index: 'stark-index'
-      },
-      script: {
-        lang: 'painless',
-        source: 'ctx._source.remove("house")'
+    source: {
+      index: 'game-of-thrones',
+      query: {
+        match: { character: 'stark' }
       }
+    },
+    dest: {
+      index: 'stark-index'
+     },
+    script: {
+      lang: 'painless',
+      source: 'ctx._source.remove("house")'
     }
   })
 
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'stark-index',
-    body: {
-      query: { match_all: {} }
-    }
+    query: { match_all: {} }
   })
 
-  console.log(body.hits.hits)
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)

docs/examples/scroll.asciidoc

@@ -26,19 +26,22 @@ NOTE: Did you know that we provide an helper for sending scroll requests? You ca
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   const allQuotes = []
   const responseQueue = []
 
   // Let's index some data!
-  const { body: bulkResponse } = await client.bulk({
+  const bulkResponse = await client.bulk({
     // here we are forcing an index refresh,
     // otherwise we will not get any result
     // in the consequent search
     refresh: true,
-    body: [
+    operations: [
       // operation to perform
       { index: { _index: 'game-of-thrones' } },
       // the document to index
@@ -76,17 +79,15 @@ async function run () {
     size: 1,
     // filter the source to only include the quote field
     _source: ['quote'],
-    body: {
-      query: {
-        match_all: {}
-      }
+    query: {
+      match_all: {}
     }
   })
 
   responseQueue.push(response)
 
   while (responseQueue.length) {
-    const { body } = responseQueue.shift()
+    const body = responseQueue.shift()
 
     // collect the titles from this response
     body.hits.hits.forEach(function (hit) {
@@ -102,7 +103,7 @@ async function run () {
     // get the next response if there are more quotes to fetch
     responseQueue.push(
       await client.scroll({
-        scrollId: body._scroll_id,
+        scroll_id: body._scroll_id,
         scroll: '30s'
       })
     )
@@ -120,14 +121,17 @@ async iteration!
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 // Scroll utility
 async function * scrollSearch (params) {
   let response = await client.search(params)
 
   while (true) {
-    const sourceHits = response.body.hits.hits
+    const sourceHits = response.hits.hits
 
     if (sourceHits.length === 0) {
       break
@@ -137,12 +141,12 @@ async function * scrollSearch (params) {
       yield hit
     }
 
-    if (!response.body._scroll_id) {
+    if (!response._scroll_id) {
       break
     }
 
     response = await client.scroll({
-      scrollId: response.body._scroll_id,
+      scroll_id: response._scroll_id,
       scroll: params.scroll
     })
   }
@@ -151,7 +155,7 @@ async function * scrollSearch (params) {
 async function run () {
   await client.bulk({
     refresh: true,
-    body: [
+    operations: [
       { index: { _index: 'game-of-thrones' } },
       {
         character: 'Ned Stark',
@@ -177,10 +181,8 @@ async function run () {
     scroll: '30s',
     size: 1,
     _source: ['quote'],
-    body: {
-      query: {
-        match_all: {}
-      }
+    query: {
+      match_all: {}
     }
   }
 

docs/examples/search.asciidoc

@@ -12,13 +12,16 @@ https://www.elastic.co/guide/en/elasticsearch/reference/6.6/search-request-body.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   // Let's start by indexing some data
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
@@ -26,7 +29,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Daenerys Targaryen',
       quote: 'I am the blood of the dragon.'
     }
@@ -38,25 +41,23 @@ async function run () {
     // otherwise we will not get any result
     // in the consequent search
     refresh: true,
-    body: {
+    document: {
       character: 'Tyrion Lannister',
       quote: 'A mind needs books like a sword needs a whetstone.'
     }
   })
 
   // Let's search!
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'game-of-thrones',
-    body: {
-      query: {
-        match: {
-          quote: 'winter'
-        }
+    query: {
+      match: {
+        quote: 'winter'
       }
     }
   })
 
-  console.log(body.hits.hits)
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)

docs/examples/sql.query.asciidoc

@@ -17,12 +17,15 @@ manipulate the result to obtain an object easy to navigate.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.',
       house: 'stark'
@@ -31,7 +34,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Arya Stark',
       quote: 'A girl is Arya Stark of Winterfell. And I\'m going home.',
       house: 'stark'
@@ -41,25 +44,23 @@ async function run () {
   await client.index({
     index: 'game-of-thrones',
     refresh: true,
-    body: {
+    document: {
       character: 'Tyrion Lannister',
       quote: 'A Lannister always pays his debts.',
       house: 'lannister'
     }
   })
 
-  const { body } = await client.sql.query({
-    body: {
-      query: "SELECT * FROM \"game-of-thrones\" WHERE house='stark'"
-    }
+  const result = await client.sql.query({
+    query: "SELECT * FROM \"game-of-thrones\" WHERE house='stark'"
   })
 
-  console.log(body)
+  console.log(result)
 
-  const data = body.rows.map(row => {
+  const data = result.rows.map(row => {
     const obj = {}
     for (let i = 0; i < row.length; i++) {
-      obj[body.columns[i].name] = row[i]
+      obj[result.columns[i].name] = row[i]
     }
     return obj
   })

docs/examples/suggest.asciidoc

@@ -12,12 +12,15 @@ request. If the query part is left out, only suggestions are returned.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
-  const { body: bulkResponse } = await client.bulk({
+  const bulkResponse = await client.bulk({
     refresh: true,
-    body: [
+    operations: [
       { index: { _index: 'game-of-thrones' } },
       {
         character: 'Ned Stark',
@@ -43,22 +46,20 @@ async function run () {
     process.exit(1)
   }
 
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'game-of-thrones',
-    body: {
-      query: {
-        match: { quote: 'witner' }
-      },
-      suggest: {
-        gotsuggest: {
-          text: 'witner',
-          term: { field: 'quote' }
-        }
+    query: {
+      match: { quote: 'winter' }
+    },
+    suggest: {
+      gotsuggest: {
+        text: 'winter',
+        term: { field: 'quote' }
       }
     }
   })
 
-  console.log(body)
+  console.log(result)
 }
 
 run().catch(console.log)

docs/examples/transport.request.asciidoc

@@ -20,12 +20,15 @@ maintain.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
-  const { body: bulkResponse } = await client.bulk({
+  const bulkResponse = await client.bulk({
     refresh: true,
-    body: [
+    operations: [
       { index: { _index: 'game-of-thrones' } },
       {
         character: 'Ned Stark',
@@ -51,7 +54,7 @@ async function run () {
     process.exit(1)
   }
 
-  const { body } = await client.transport.request({
+  const response = await client.transport.request({
     method: 'POST',
     path: '/game-of-thrones/_search',
     body: {
@@ -64,7 +67,7 @@ async function run () {
     querystring: {}
   })
 
-  console.log(body)
+  console.log(response)
 }
 
 run().catch(console.log)

docs/examples/typescript.asciidoc

@@ -1,72 +0,0 @@
-[[typescript_examples]]
-=== Typescript
-
-The client offers a first-class support for TypeScript, since it ships the type 
-definitions for every exposed API.
-
-NOTE: If you are using TypeScript you will be required to use _snake_case_ style 
-to define the API parameters instead of _camelCase_. 
-
-[source,ts]
-----
-'use strict'
-
-import { Client, ApiResponse, RequestParams } from '@elastic/elasticsearch'
-const client = new Client({ node: 'http://localhost:9200' })
-
-async function run (): void {
-  // Let's start by indexing some data
-  const doc1: RequestParams.Index = {
-    index: 'game-of-thrones',
-    body: {
-      character: 'Ned Stark',
-      quote: 'Winter is coming.'
-    }
-  }
-  await client.index(doc1)
-
-  const doc2: RequestParams.Index = {
-    index: 'game-of-thrones',
-    body: {
-      character: 'Daenerys Targaryen',
-      quote: 'I am the blood of the dragon.'
-    }
-  }
-  await client.index(doc2)
-
-  const doc3: RequestParams.Index = {
-    index: 'game-of-thrones',
-    // here we are forcing an index refresh,
-    // otherwise we will not get any result
-    // in the consequent search
-    refresh: true,
-    body: {
-      character: 'Tyrion Lannister',
-      quote: 'A mind needs books like a sword needs a whetstone.'
-    }
-  }
-  await client.index(doc3)
-
-  // Let's search!
-  const params: RequestParams.Search = {
-    index: 'game-of-thrones',
-    body: {
-      query: {
-        match: {
-          quote: 'winter'
-        }
-      }
-    }
-  }
-  client
-    .search(params)
-    .then((result: ApiResponse) => {
-      console.log(result.body.hits.hits)
-    })
-    .catch((err: Error) => {
-      console.log(err)
-    })
-}
-
-run()
-----

docs/examples/update.asciidoc

@@ -10,13 +10,16 @@ a character has said the given quote, and then we will update the `times` field.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
     id: '1',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.',
       times: 0
@@ -26,23 +29,21 @@ async function run () {
   await client.update({
     index: 'game-of-thrones',
     id: '1',
-    body: {
-      script: {
-        lang: 'painless',
-        source: 'ctx._source.times++'
-        // you can also use parameters
-        // source: 'ctx._source.times += params.count',
-        // params: { count: 1 }
-      }
+    script: {
+      lang: 'painless',
+      source: 'ctx._source.times++'
+      // you can also use parameters
+      // source: 'ctx._source.times += params.count',
+      // params: { count: 1 }
     }
   })
 
-  const { body } = await client.get({
+  const document = await client.get({
     index: 'game-of-thrones',
     id: '1'
   })
 
-  console.log(body)
+  console.log(document)
 }
 
 run().catch(console.log)
@@ -56,13 +57,16 @@ With the update API, you can also run a partial update of a document.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
     id: '1',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.',
       isAlive: true
@@ -72,19 +76,17 @@ async function run () {
   await client.update({
     index: 'game-of-thrones',
     id: '1',
-    body: {
-      doc: {
-        isAlive: false
-      }
+    doc: {
+      isAlive: false
     }
   })
 
-  const { body } = await client.get({
+  const document = await client.get({
     index: 'game-of-thrones',
     id: '1'
   })
 
-  console.log(body)
+  console.log(document)
 }
 
 run().catch(console.log)

docs/examples/update_by_query.asciidoc

@@ -10,12 +10,15 @@ property or some other online mapping change.
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   await client.index({
     index: 'game-of-thrones',
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
@@ -24,7 +27,7 @@ async function run () {
   await client.index({
     index: 'game-of-thrones',
     refresh: true,
-    body: {
+    document: {
       character: 'Arya Stark',
       quote: 'A girl is Arya Stark of Winterfell. And I\'m going home.'
     }
@@ -33,27 +36,23 @@ async function run () {
   await client.updateByQuery({
     index: 'game-of-thrones',
     refresh: true,
-    body: {
-      script: {
-        lang: 'painless',
-        source: 'ctx._source["house"] = "stark"'
-      },
-      query: {
-        match: {
-          character: 'stark'
-        }
+    script: {
+      lang: 'painless',
+      source: 'ctx._source["house"] = "stark"'
+    },
+    query: {
+      match: {
+        character: 'stark'
       }
     }
   })
 
-  const { body } = await client.search({
+  const result = await client.search({
     index: 'game-of-thrones',
-    body: {
-      query: { match_all: {} }
-    }
+    query: { match_all: {} }
   })
 
-  console.log(body.hits.hits)
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)

docs/extend.asciidoc

@@ -1,72 +0,0 @@
-[[extend]]
-=== Extend the client
-
-Sometimes you need to reuse the same logic, or you want to build a custom API to 
-allow you simplify your code. The easiest way to achieve that is by extending 
-the client.
-
-NOTE: If you want to override existing methods, you should specify the 
-`{ force: true }` option.
-
-[source,js]
-----
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
-
-client.extend('supersearch', ({ makeRequest, ConfigurationError }) => {
-  return function supersearch (params, options) {
-    const {
-      body,
-      index,
-      method,
-      ...querystring
-    } = params
-
-    // params validation
-    if (body == null) {
-      throw new ConfigurationError('Missing required parameter: body')
-    }
-
-    // build request object
-    const request = {
-      method: method || 'POST',
-      path: `/${encodeURIComponent(index)}/_search_`,
-      body,
-      querystring
-    }
-
-    // build request options object
-    const requestOptions = {
-      ignore: options.ignore || null,
-      requestTimeout: options.requestTimeout || null,
-      maxRetries: options.maxRetries || null,
-      asStream: options.asStream || false,
-      headers: options.headers || null
-    }
-
-    return makeRequest(request, requestOptions)
-  }
-})
-
-client.extend('utility.index', ({ makeRequest }) => {
-  return function _index (params, options) {
-    // your code
-  }
-})
-
-client.extend('utility.delete', ({ makeRequest }) => {
-  return function _delete (params, options) {
-    // your code
-  }
-})
-
-client.extend('indices.delete', { force: true }, ({ makeRequest }) => {
-  return function _delete (params, options) {
-    // your code
-  }
-})
-
-client.supersearch(...)
-client.utility.index(...)
-client.utility.delete(...)
-----

docs/helpers.asciidoc

@@ -27,7 +27,10 @@ const { createReadStream } = require('fs')
 const split = require('split2')
 const { Client } = require('@elastic/elasticsearch')
 
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const result = await client.helpers.bulk({
   datasource: createReadStream('./dataset.ndjson').pipe(split()),
   onDocument (doc) {
@@ -248,7 +251,10 @@ const { createReadStream } = require('fs')
 const split = require('split2')
 const { Client } = require('@elastic/elasticsearch')
 
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const b = client.helpers.bulk({
   datasource: createReadStream('./dataset.ndjson').pipe(split()),
   onDocument (doc) {
@@ -304,7 +310,10 @@ async function * generator () {
   }
 }
 
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const result = await client.helpers.bulk({
   datasource: generator(),
   onDocument (doc) {
@@ -338,26 +347,18 @@ sources.
 ----
 const { Client } = require('@elastic/elasticsearch')
 
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const m = client.helpers.msearch()
 
-// promise style API
 m.search(
     { index: 'stackoverflow' },
     { query: { match: { title: 'javascript' } } }
   )
   .then(result => console.log(result.body)) // or result.documents
   .catch(err => console.error(err))
-
-// callback style API
-m.search(
-  { index: 'stackoverflow' },
-  { query: { match: { title: 'ruby' } } },
-  (err, result) => {
-    if (err) console.error(err)
-    console.log(result.body)) // or result.documents
-  }
-)
 ----
 
 To create a new instance of the multi search (msearch) helper, you should access 
@@ -438,7 +439,10 @@ running will not be stopped.
 ----
 const { Client } = require('@elastic/elasticsearch')
 
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 const m = client.helpers.msearch()
 
 m.search(
@@ -474,11 +478,9 @@ the query string.
 ----
 const documents = await client.helpers.search({
   index: 'stackoverflow',
-  body: {
-    query: {
-      match: {
-        title: 'javascript'
-      }
+  query: {
+    match: {
+      title: 'javascript'
     }
   }
 })
@@ -505,11 +507,9 @@ the `429` error and uses the `maxRetries` option of the client.
 ----
 const scrollSearch = client.helpers.scrollSearch({
   index: 'stackoverflow',
-  body: {
-    query: {
-      match: {
-        title: 'javascript'
-      }
+  query: {
+    match: {
+      title: 'javascript'
     }
   }
 })
@@ -564,11 +564,9 @@ automatically adds `filter_path=hits.hits._source` to the query string.
 ----
 const scrollSearch = client.helpers.scrollDocuments({
   index: 'stackoverflow',
-  body: {
-    query: {
-      match: {
-        title: 'javascript'
-      }
+  query: {
+    match: {
+      title: 'javascript'
     }
   }
 })

docs/index-custom-title-page.html

@@ -0,0 +1,185 @@
+<style>
+    * {
+      box-sizing: border-box;
+    }
+
+    .card {
+      cursor: pointer;
+      padding: 16px;
+      text-align: left;
+      color: #000;
+    }
+
+    .card:hover {
+      box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
+      padding: 16px;
+      text-align: left;
+    }
+
+    #guide a.no-text-decoration:hover {
+      text-decoration: none!important;
+    }
+
+    .icon {
+      width: 24px;
+      height: 24px;
+      background-position: bottom;
+      background-size: contain;
+      background-repeat: no-repeat;
+    }
+
+    .ul-col-1 {
+      columns: 1;
+      -webkit-columns: 1;
+      -moz-columns: 1;
+    }
+
+    @media (min-width:769px) {
+      .ul-col-md-2 {
+        columns: 2;
+        -webkit-columns: 2;
+        -moz-columns: 2;
+      }
+    }
+
+    #guide h3.gtk {
+    margin-top: 16px;
+  }
+
+  .mb-4, .my-4 {
+    margin-bottom: 0!important;
+  }
+  </style>
+
+  <div class="legalnotice"></div>
+
+  <div class="row my-4">
+    <div class="col-md-6 col-12">
+      <p></p>
+      <p>
+        <h2>Documentation</h2>
+      </p>
+      <p>
+        The official Node.js client provides one-to-one mapping with Elasticsearch REST APIs.
+      </p>
+      <p>
+        <a href="https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/installation.html">
+          <button class="btn btn-primary">Get started</button>
+        </a>
+      </p>
+    </div>
+    <div class="col-md-6 col-12">
+      <img class="w-100" src="https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt3826dd36882ab258/641c4e9d542f593a7e8ba656/js-es-lp-hero.png" />
+    </div>
+  </div>
+
+  <h3 class="gtk">Get to know the JavaScript client</h3>
+
+  <div class="my-5">
+    <div class="d-flex align-items-center mb-3">
+      <h4 class="mt-3">
+        <span class="inline-block float-left icon mr-2" style="background-image: url('https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/bltfd59779217093221/641ae0c8db18f61d68e9c377/64x64_Color_icon-connected-circles64-color.png');"></span>
+        Connecting
+      </h4>
+    </div>
+    <ul class="ul-col-md-2 ul-col-1">
+      <li>
+        <a href="introduction.html">Introduction to the client</a>
+      </li>
+      <li>
+        <a href="installation.html">Installing the client</a>
+      </li>
+      <li>
+        <a href="client-connecting.html">Connecting to Elasticsearch</a>
+      </li>
+      <li>
+        <a href="client-configuration.html">Configuration options</a>
+      </li>
+    </ul>
+  </div>
+
+  <div class="my-5">
+    <div class="d-flex align-items-center mb-3">
+      <h4 class="mt-3">
+        <span class="inline-block float-left icon mr-2" style="background-image: url('https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/bltca09fd8c807816ce/641ae17733e7f95594918557/icon-monitor-cog-64-color.png');"></span>
+        Using the JS client
+      </h4>
+    </div>
+    <ul class="ul-col-md-2 ul-col-1">
+      <li>
+        <a href="bulk_examples.html">Bulk indexing</a>
+      </li>
+      <li>
+        <a href="get_examples.html">Getting documents</a>
+      </li>
+      <li>
+        <a href="search_examples.html">Searching</a>
+      </li>
+      <li>
+        <a href="examples.html">More examples</a>
+      </li>
+    </ul>
+  </div>
+
+  <div class="my-5">
+    <div class="d-flex align-items-center mb-3">
+      <h4 class="mt-3">
+        <span class="inline-block float-left icon mr-2" style="background-image: url('https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blteacd058910f155d8/636925a6e0ff7c532db636d7/64x64_Color_icon-dev-tools-64-color.png');"></span>
+        API and developer docs
+      </h4>
+    </div>
+    <ul class="ul-col-md-2 ul-col-1">
+      <li>
+        <a href="api-reference.html">API reference</a>
+      </li>
+      <li>
+        <a href="client-helpers.html">Client helpers</a>
+      </li>
+      <li>
+        <a href="integrations.html">Integrations</a>
+      </li>
+      <li>
+        <a href="changelog-client.html">Release notes</a>
+      </li>
+    </ul>
+  </div>
+
+  <h3 class="explore">Explore by use case</h3>
+
+  <div class="row my-4">
+    <div class="col-md-4 col-12 mb-2">
+      <a class="no-text-decoration" href="https://www.elastic.co/guide/en/enterprise-search/current/start.html">
+        <div class="card h-100">
+          <h4 class="mt-3">
+            <span class="inline-block float-left icon mr-2" style="background-image: url('https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt11200907c1c033aa/634d9da119d8652169cf9b2b/enterprise-search-logo-color-32px.png');"></span>
+            Search my data
+          </h4>
+          <p>Create search experiences for your content, wherever it lives.</p>
+        </div>
+      </a>
+    </div>
+    <div class="col-md-4 col-12 mb-2">
+      <a class="no-text-decoration" href="https://www.elastic.co/guide/en/starting-with-the-elasticsearch-platform-and-its-solutions/current/getting-started-observability.html">
+        <div class="card h-100">
+          <h4 class="mt-3">
+            <span class="inline-block float-left icon mr-2" style="background-image: url('https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/bltaa08b370a00bbecc/634d9da14e565f1cdce27f7c/observability-logo-color-32px.png');"></span>
+            Observe my data
+          </h4>
+          <p>Follow our guides to monitor logs, metrics, and traces.</p>
+        </div>
+      </a>
+    </div>
+    <div class="col-md-4 col-12 mb-2">
+      <a class="no-text-decoration" href="https://www.elastic.co/guide/en/security/current/es-overview.html">
+        <div class="card h-100">
+          <h4 class="mt-3">
+            <span class="inline-block float-left icon mr-2" style="background-image: url('https://images.contentstack.io/v3/assets/bltefdd0b53724fa2ce/blt5e0e0ad9a13e6b8c/634d9da18473831f96bbdf1e/security-logo-color-32px.png');"></span>
+            Protect my environment
+          </h4>
+          <p>Learn how to defend against threats across your environment.</p>
+        </div>
+      </a>
+    </div>
+  </div>
+
+  <p class="my-4"><a href="https://www.elastic.co/guide/index.html">View all Elastic docs</a></p>

docs/index.asciidoc

@@ -1,16 +1,16 @@
 = Elasticsearch JavaScript Client
 
-:branch: master
+include::{asciidoc-dir}/../../shared/versions/stack/{source_branch}.asciidoc[]
 include::{asciidoc-dir}/../../shared/attributes.asciidoc[]
 
 include::introduction.asciidoc[]
+include::changelog.asciidoc[]
 include::installation.asciidoc[]
 include::connecting.asciidoc[]
 include::configuration.asciidoc[]
 include::basic-config.asciidoc[]
 include::advanced-config.asciidoc[]
 include::child.asciidoc[]
-include::extend.asciidoc[]
 include::testing.asciidoc[]
 include::integrations.asciidoc[]
 include::observability.asciidoc[]
@@ -19,3 +19,4 @@ include::typescript.asciidoc[]
 include::reference.asciidoc[]
 include::examples/index.asciidoc[]
 include::helpers.asciidoc[]
+include::redirects.asciidoc[]

docs/installation.asciidoc

@@ -24,7 +24,7 @@ To learn more about the supported major versions, please refer to the
 [[nodejs-support]]
 === Node.js support
 
-NOTE: The minimum supported version of Node.js is `v12`.
+NOTE: The minimum supported version of Node.js is `v14`.
 
 The client versioning follows the {stack} versioning, this means that
 major, minor, and patch releases are done following a precise schedule that
@@ -56,6 +56,14 @@ of `^7.10.0`).
 |`10.x`
 |April 2021
 |`7.12` (mid 2021)
+
+|`12.x`
+|April 2022
+|`8.2` (early 2022)
+
+|`14.x`
+|April 2023
+|`8.8` (early 2023)
 |===
 
 [discrete]
@@ -70,8 +78,8 @@ Elasticsearch language clients are only backwards compatible with default distri
 |{es} Version
 |Client Version
 
-|`main`
-|`main`
+|`8.x`
+|`8.x`
 
 |`7.x`
 |`7.x`

docs/introduction.asciidoc

@@ -4,9 +4,6 @@
 This is the official Node.js client for {es}. This page gives a quick overview 
 about the features of the client.
 
-Refer to <<breaking-changes,this page>> for breaking changes coming from the old 
-client.
-
 
 [discrete]
 === Features
@@ -23,72 +20,21 @@ client.
 [discrete]
 === Quick start
 
-First of all, require, then initialize the client:
-
-[source,js]
-----
-const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
-----
-
-
-You can use both the callback API and the promise API, both behave the same way.
-
-[source,js]
-----
-// promise API
-const result = await client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-})
-
-// callback API
-client.search({
-  index: 'my-index',
-  body: {
-    query: {
-      match: { hello: 'world' }
-    }
-  }
-}, (err, result) => {
-  if (err) console.log(err)
-})
-----
-
-
-The returned value of **every** API call is formed as follows:
-
-[source,ts]
-----
-{
-  body: object | boolean
-  statusCode: number
-  headers: object
-  warnings: [string]
-  meta: object
-}
-----
-
-
-Let's see a complete example!
-
 [source,js]
 ----
 'use strict'
 
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
 async function run () {
   // Let's start by indexing some data
   await client.index({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using {es} ≤ 6
-    body: {
+    document: {
       character: 'Ned Stark',
       quote: 'Winter is coming.'
     }
@@ -96,8 +42,7 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using {es} ≤ 6
-    body: {
+    document: {
       character: 'Daenerys Targaryen',
       quote: 'I am the blood of the dragon.'
     }
@@ -105,29 +50,25 @@ async function run () {
 
   await client.index({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using {es} ≤ 6
-    body: {
+    document: {
       character: 'Tyrion Lannister',
       quote: 'A mind needs books like a sword needs a whetstone.'
     }
   })
 
-  // We need to force an index refresh at this point, otherwise we will not
+  // here we are forcing an index refresh, otherwise we will not
   // get any result in the consequent search
   await client.indices.refresh({ index: 'game-of-thrones' })
 
   // Let's search!
-  const { body } = await client.search({
+  const result= await client.search({
     index: 'game-of-thrones',
-    // type: '_doc', // uncomment this line if you are using {es} ≤ 6
-    body: {
-      query: {
-        match: { quote: 'winter' }
-      }
+    query: {
+      match: { quote: 'winter' }
     }
   })
 
-  console.log(body.hits.hits)
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)
@@ -178,23 +119,26 @@ Require the packages from your code by using the alias you have defined.
 const { Client: Client6 } = require('es6')
 const { Client: Client7 } = require('es7')
 
-const client6 = new Client6({ node: 'http://localhost:9200' })
-const client7 = new Client7({ node: 'http://localhost:9201' })
+const client6 = new Client6({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
+const client7 = new Client7({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
-client6.info(console.log)
-client7.info(console.log)
+client6.info().then(console.log, console.log)
+client7.info().then(console.log, console.log)
 ----
 
 
 Finally, if you want to install the client for the next version of {es} (the one
-that lives in the {es} master branch), use the following command:
+that lives in the {es} main branch), use the following command:
 
 [source,sh]
 ----
-npm install esmaster@github:elastic/elasticsearch-js
+npm install esmain@github:elastic/elasticsearch-js
 ----
-WARNING: This command installs the master branch of the client which is not
-considered stable.
-
-
-include::breaking-changes.asciidoc[]
+WARNING: This command installs the main branch of the client which is not
+considered stable.

docs/observability.asciidoc

@@ -2,7 +2,7 @@
 === Observability
 
 The client does not provide a default logger, but instead it offers an event 
-emitter interfaces to hook into internal events, such as `request` and 
+emitter interface to hook into internal events, such as `request` and 
 `response`.
 
 Correlating those events can be hard, especially if your applications have a 
@@ -34,9 +34,12 @@ response and error that is happening during the use of the client.
 ----
 const logger = require('my-logger')()
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
-client.on('response', (err, result) => {
+client.diagnostic.on('response', (err, result) => {
   if (err) {
     logger.error(err)
   } else {
@@ -53,7 +56,7 @@ The client emits the following events:
 a|Emitted before starting serialization and compression. If you want to measure this phase duration, you should measure the time elapsed between this event and `request`.
 [source,js]
 ----
-client.on('serialization', (err, result) => {
+client.diagnostic.on('serialization', (err, result) => {
   console.log(err, result)
 })
 ----
@@ -62,7 +65,7 @@ client.on('serialization', (err, result) => {
 a|Emitted before sending the actual request to {es} _(emitted multiple times in case of retries)_.
 [source,js]
 ----
-client.on('request', (err, result) => {
+client.diagnostic.on('request', (err, result) => {
   console.log(err, result)
 })
 ----
@@ -71,7 +74,7 @@ client.on('request', (err, result) => {
 a|Emitted before starting deserialization and decompression. If you want to measure this phase duration, you should measure the time elapsed between this event and `response`. _(This event might not be emitted in certain situations)_.
 [source,js]
 ----
-client.on('deserialization', (err, result) => {
+client.diagnostic.on('deserialization', (err, result) => {
   console.log(err, result)
 })
 ----
@@ -80,7 +83,7 @@ client.on('deserialization', (err, result) => {
 a|Emitted once {es} response has been received and parsed.
 [source,js]
 ----
-client.on('response', (err, result) => {
+client.diagnostic.on('response', (err, result) => {
   console.log(err, result)
 })
 ----
@@ -89,7 +92,7 @@ client.on('response', (err, result) => {
 a|Emitted when the client ends a sniffing request.
 [source,js]
 ----
-client.on('sniff', (err, result) => {
+client.diagnostic.on('sniff', (err, result) => {
   console.log(err, result)
 })
 ----
@@ -98,7 +101,7 @@ client.on('sniff', (err, result) => {
 a|Emitted if the client is able to resurrect a dead node.
 [source,js]
 ----
-client.on('resurrect', (err, result) => {
+client.diagnostic.on('resurrect', (err, result) => {
   console.log(err, result)
 })
 ----
@@ -151,9 +154,6 @@ request: {
 
 The event order is described in the following graph, in some edge cases, the 
 order is not guaranteed.
-You can find in 
-https://github.com/elastic/elasticsearch-js/blob/master/test/acceptance/events-order.test.js[`test/acceptance/events-order.test.js`] 
-how the order changes based on the situation.
 
 [source]
 ----
@@ -183,16 +183,19 @@ handle this problem.
 [source,js]
 ----
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
-client.on('request', (err, result) => {
+client.diagnostic.on('request', (err, result) => {
   const { id } = result.meta.request
   if (err) {
     console.log({ error: err, reqId: id })
   }
 })
 
-client.on('response', (err, result) => {
+client.diagnostic.on('response', (err, result) => {
   const { id } = result.meta.request
   if (err) {
     console.log({ error: err, reqId: id })
@@ -201,10 +204,8 @@ client.on('response', (err, result) => {
 
 client.search({
   index: 'my-index',
-  body: { foo: 'bar' }
-}, (err, result) => {
-  if (err) console.log(err)
-})
+  query: { match_all: {} }
+}).then(console.log, console.log)
 ----
 
 
@@ -215,7 +216,8 @@ By default the id is an incremental integer, but you can configure it with the
 ----
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
-  node: 'http://localhost:9200',
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' },
   // it takes two parameters, the request parameters and options
   generateRequestId: function (params, options) {
     // your id generation logic
@@ -232,12 +234,10 @@ You can also specify a custom id per request:
 ----
 client.search({
   index: 'my-index',
-  body: { foo: 'bar' }
+  query: { match_all: {} }
 }, {
   id: 'custom-id'
-}, (err, result) => {
-  if (err) console.log(err)
-})
+}).then(console.log, console.log)
 ----
 
 
@@ -250,9 +250,12 @@ can do that via the `context` option of a request:
 [source,js]
 ----
 const { Client } = require('@elastic/elasticsearch')
-const client = new Client({ node: 'http://localhost:9200' })
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
+})
 
-client.on('request', (err, result) => {
+client.diagnostic.on('request', (err, result) => {
   const { id } = result.meta.request
   const { context } = result.meta
   if (err) {
@@ -260,7 +263,7 @@ client.on('request', (err, result) => {
   }
 })
 
-client.on('response', (err, result) => {
+client.diagnostic.on('response', (err, result) => {
   const { id } = result.meta.request
   const { winter } = result.meta.context
   if (err) {
@@ -270,12 +273,10 @@ client.on('response', (err, result) => {
 
 client.search({
   index: 'my-index',
-  body: { foo: 'bar' }
+  query: { match_all: {} }
 }, {
   context: { winter: 'is coming' }
-}, (err, result) => {
-  if (err) console.log(err)
-})
+}).then(console.log, console.log)
 ----
 
 The context object can also be configured as a global option in the client
@@ -286,11 +287,12 @@ merged, and the API level object will take precedence.
 ----
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
-  node: 'http://localhost:9200',
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' },
   context: { winter: 'is coming' }
 })
 
-client.on('request', (err, result) => {
+client.diagnostic.on('request', (err, result) => {
   const { id } = result.meta.request
   const { context } = result.meta
   if (err) {
@@ -298,7 +300,7 @@ client.on('request', (err, result) => {
   }
 })
 
-client.on('response', (err, result) => {
+client.diagnostic.on('response', (err, result) => {
   const { id } = result.meta.request
   const { winter } = result.meta.context
   if (err) {
@@ -308,12 +310,10 @@ client.on('response', (err, result) => {
 
 client.search({
   index: 'my-index',
-  body: { foo: 'bar' }
+  query: { match_all: {} }
 }, {
   context: { winter: 'has come' }
-}, (err, result) => {
-  if (err) console.log(err)
-})
+}).then(console.log, console.log)
 ----
 
 
@@ -329,7 +329,8 @@ options help you in this regard.
 ----
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
-  node: 'http://localhost:9200',
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' },
   name: 'parent-client' // default to 'elasticsearch-js'
 })
 
@@ -339,7 +340,7 @@ const child = client.child({
 
 console.log(client.name, child.name)
 
-client.on('request', (err, result) => {
+client.diagnostic.on('request', (err, result) => {
   const { id } = result.meta.request
   const { name } = result.meta
   if (err) {
@@ -347,7 +348,7 @@ client.on('request', (err, result) => {
   }
 })
 
-client.on('response', (err, result) => {
+client.diagnostic.on('response', (err, result) => {
   const { id } = result.meta.request
   const { name } = result.meta
   if (err) {
@@ -357,17 +358,13 @@ client.on('response', (err, result) => {
 
 client.search({
   index: 'my-index',
-  body: { foo: 'bar' }
-}, (err, result) => {
-  if (err) console.log(err)
-})
+  query: { match_all: {} }
+}).then(console.log, console.log)
 
 child.search({
   index: 'my-index',
-  body: { foo: 'bar' }
-}, (err, result) => {
-  if (err) console.log(err)
-})
+  query: { match_all: {} }
+}).then(console.log, console.log)
 ----
 
 
@@ -377,9 +374,9 @@ child.search({
 To improve observability, the client offers an easy way to configure the 
 `X-Opaque-Id` header. If you set the `X-Opaque-Id` in a specific request, this 
 allows you to discover this identifier in the 
-https://www.elastic.co/guide/en/elasticsearch/reference/master/logging.html#deprecation-logging[deprecation logs], 
-helps you with https://www.elastic.co/guide/en/elasticsearch/reference/master/index-modules-slowlog.html#_identifying_search_slow_log_origin[identifying search slow log origin] 
-as well as https://www.elastic.co/guide/en/elasticsearch/reference/master/tasks.html#_identifying_running_tasks[identifying running tasks].
+https://www.elastic.co/guide/en/elasticsearch/reference/current/logging.html#deprecation-logging[deprecation logs], 
+helps you with https://www.elastic.co/guide/en/elasticsearch/reference/current/index-modules-slowlog.html#_identifying_search_slow_log_origin[identifying search slow log origin] 
+as well as https://www.elastic.co/guide/en/elasticsearch/reference/current/tasks.html#_identifying_running_tasks[identifying running tasks].
 
 The `X-Opaque-Id` should be configured in each request, for doing that you can 
 use the `opaqueId` option, as you can see in the following example. The 
@@ -389,7 +386,8 @@ resulting header will be `{ 'X-Opaque-Id': 'my-search' }`.
 ----
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
-  node: 'http://localhost:9200'
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 
 client.search({
@@ -397,9 +395,7 @@ client.search({
   body: { foo: 'bar' }
 }, {
   opaqueId: 'my-search'
-}, (err, result) => {
-  if (err) console.log(err)
-})
+}).then(console.log, console.log)
 ----
 
 Sometimes it may be useful to prefix all the `X-Opaque-Id` headers with a 
@@ -412,7 +408,8 @@ doing this, the client offers a top-level configuration option:
 ----
 const { Client } = require('@elastic/elasticsearch')
 const client = new Client({
-  node: 'http://localhost:9200',
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' },
   opaqueIdPrefix: 'proxy-client::'
 })
 
@@ -421,8 +418,6 @@ client.search({
   body: { foo: 'bar' }
 }, {
   opaqueId: 'my-search'
-}, (err, result) => {
-  if (err) console.log(err)
-})
+}).then(console.log, console.log)
 ----
 

docs/redirects.asciidoc

@@ -0,0 +1,17 @@
+["appendix",role="exclude",id="redirects"]
+= Deleted pages
+
+The following pages have moved or been deleted.
+
+[role="exclude",id="auth-reference"]
+== Authentication
+
+This page has moved. See <<client-connecting>>.
+
+[role="exclude",id="breaking-changes"]
+== Breaking changes
+
+For information about migrating from the legacy elasticsearch.js client to the
+new Elasticsearch JavaScript client, refer to the
+https://www.elastic.co/guide/en/elasticsearch/client/javascript-api/7.17/breaking-changes.html[7.17
+JavaScript client migration guide].

docs/testing.asciidoc

@@ -61,7 +61,8 @@ const Mock = require('@elastic/elasticsearch-mock')
 
 const mock = new Mock()
 const client = new Client({
-  node: 'http://localhost:9200',
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' },
   Connection: mock.getConnection()
 })
 
@@ -72,7 +73,7 @@ mock.add({
   return { status: 'ok' }
 })
 
-client.info(console.log)
+client.info().then(console.log, console.log)
 ----
 
 As you can see it works closely with the client itself, once you have created a 
@@ -129,8 +130,8 @@ mock.add({
   return { count: 42 }
 })
 
-client.count({ index: 'foo' }, console.log) // => { count: 42 }
-client.count({ index: 'bar' }, console.log) // => { count: 42 }
+client.count({ index: 'foo' }).then(console.log, console.log) // => { count: 42 }
+client.count({ index: 'bar' }).then(console.log, console.log) // => { count: 42 }
 ----
 
 And wildcards are supported as well.

docs/transport.asciidoc

@@ -6,7 +6,8 @@ errors, it also handles sniffing.
 
 [source,js]
 ----
-const { Client, Transport } = require('@elastic/elasticsearch')
+const { Client } = require('@elastic/elasticsearch')
+const { Transport } = require('@elastic/transport')
 
 class MyTransport extends Transport {
   request (params, options, callback) {

docs/typescript.asciidoc

@@ -4,274 +4,87 @@
 The client offers a first-class support for TypeScript, shipping a complete set
 of type definitions of Elasticsearch's API surface.
 
-
-NOTE: If you are using TypeScript you need to use _snake_case_ style to define 
-the API parameters instead of _camelCase_. 
-
-Currently the client exposes two type definitions, the legacy one, which is the default
-and the new one, which will be the default in the next major.
-We strongly recommend to migrate to the new one as soon as possible, as the new types
-are offering a vastly improved developer experience and guarantee you that your code
-will always be in sync with the latest Elasticsearch features.
-
-[discrete]
-==== New type definitions
-
-The new type definition is more advanced compared to the legacy one. In the legacy
-type definitions you were expected to configure via generics both request and response
-bodies. The new type definitions comes with a complete type definition for every
-Elasticsearch endpoint.
-
-For example:
-
-[source,ts]
-----
-// legacy definitions
-const response = await client.search<SearchResponse<Source>, SearchBody>({
-  index: 'test',
-  body: {
-  query: {
-      match: { foo: 'bar' }
-    }
-  }
-})
-
-// new definitions
-const response = await client.search<Source>({
-  index: 'test',
-  body: {
-  query: {
-      match: { foo: 'bar' }
-    }
-  }
-})
-----
-
 The types are not 100% complete yet. Some APIs are missing (the newest ones, e.g. EQL),
 and others may contain some errors, but we are continuously pushing fixes & improvements.
 
-[discrete]
-==== Request & Response types
-
-Once you migrate to the new types, those are automatically integrated into the Elasticsearch client, you will get them out of the box.
-If everything works, meaning that you won’t get compiler errors, you are good to go!
-The types are already correct, and there is nothing more to do.
-
-If a type is incorrect, you should add a comment `// @ts-expect-error @elastic/elasticsearch`
-telling TypeScript that you are aware of the warning and you would like to temporarily suppress it.
-In this way, your code will compile until the type is fixed, and when it happens, you’ll only need to remove the
-`// @ts-expect-error @elastic/elasticsearch` comment (TypeScript will let you know when it is time).
-Finally, if the type you need is missing, you’ll see that the client method returns (or defines as a parameter)
-a `TODO` type, which accepts any object.
-
-Open an issue in the client repository letting us know if you encounter any problem!
-
-If needed you can import the request and response types.
-
-[source,ts]
-----
-import { Client, estypes } from '@elastic/elasticsearch'
-import type { Client as NewTypes } from '@elastic/elasticsearch/api/new'
-
-// @ts-expect-error @elastic/elasticsearch
-const client: NewTypes = new Client({
-  node: 'http://localhost:9200'
-})
-
-interface Source {
-  foo: string
-}
-
-const request: estypes.IndexRequest<Source> = {
-  index: 'test',
-  body: { foo: 'bar' }
-}
-
-await client.index(request)
-----
+NOTE: The client is developed against the https://www.npmjs.com/package/typescript?activeTab=versions[latest]
+version of TypeScript. Furthermore, unless you have set `skipLibCheck` to `true`,
+you should configure `esModuleInterop` to `true`.
 
 [discrete]
-===== How to migrate to the new type definitions
-
-Since the new type definitions can be considered a breaking change we couldn't add the directly to the client.
-Following you will find a snippet that shows you how to override the default types with the new ones.
+==== Example
 
 [source,ts]
 ----
 import { Client } from '@elastic/elasticsearch'
-import type { Client as NewTypes } from '@elastic/elasticsearch/api/new'
 
-// @ts-expect-error @elastic/elasticsearch
-const client: NewTypes = new Client({
-  node: 'http://localhost:9200'
+const client = new Client({
+  cloud: { id: '<cloud-id>' },
+  auth: { apiKey: 'base64EncodedKey' }
 })
 
-interface Source {
-  foo: string
-}
-
-// try the new code completion when building a query!
-const response = await client.search<Source>({
-  index: 'test',
-  body: {
-    query: {
-      match_all: {}
-    }
-  }
-})
-
-// try the new code completion when traversing a response!
-const results = response.body.hits.hits.map(hit => hit._source)
-// results type will be `Source[]`
-console.log(results)
-----
-
-[discrete]
-==== Legacy type definitions
-
-By default event API uses 
-https://www.typescriptlang.org/docs/handbook/generics.html[generics] to specify 
-the requests and response bodies and the `meta.context`. Currently, we can't 
-provide those definitions, but we are working to improve this situation.
-
-You can find a partial definition of the request types by importing 
-`RequestParams`, which is used by default in the client and accepts a body (when 
-needed) as a generic to provide a better specification.
-
-The body defaults to `RequestBody` and `RequestNDBody`, which are defined as 
-follows:
-
-[source,ts]
-----
-type RequestBody<T = Record<string, any>>  = T | string | Buffer | ReadableStream
-type RequestNDBody<T = Record<string, any>[]>  = T | string | string[] | Buffer | ReadableStream
-----
-
-You can specify the response and request body in each API as follows:
-
-[source,ts]
-----
-const response = await client.search<ResponseBody, RequestBody, Context>({
-  index: 'test',
-  body: {
-    query: {
-      match: { foo: 'bar' }
-    }
-  }
-})
-
-console.log(response.body)
-----
-
-You don't have to specify all the generics, but the order must be respected.
-
-
-[discrete]
-===== A complete example
-
-[source,ts]
-----
-import {
-  Client,
-  // Object that contains the type definitions of every API method
-  RequestParams,
-  // Interface of the generic API response
-  ApiResponse,
-} from '@elastic/elasticsearch'
-
-const client = new Client({ node: 'http://localhost:9200' })
-
-// Define the type of the body for the Search request
-interface SearchBody {
-  query: {
-    match: { foo: string }
-  }
-}
-
-// Complete definition of the Search response
-interface ShardsResponse {
-  total: number;
-  successful: number;
-  failed: number;
-  skipped: number;
-}
-
-interface Explanation {
-  value: number;
-  description: string;
-  details: Explanation[];
-}
-
-interface SearchResponse<T> {
-  took: number;
-  timed_out: boolean;
-  _scroll_id?: string;
-  _shards: ShardsResponse;
-  hits: {
-    total: number;
-    max_score: number;
-    hits: Array<{
-      _index: string;
-      _type: string;
-      _id: string;
-      _score: number;
-      _source: T;
-      _version?: number;
-      _explanation?: Explanation;
-      fields?: any;
-      highlight?: any;
-      inner_hits?: any;
-      matched_queries?: string[];
-      sort?: string[];
-    }>;
-  };
-  aggregations?: any;
-}
-
-// Define the interface of the source object
-interface Source {
-  foo: string
+interface Document {
+  character: string
+  quote: string
 }
 
 async function run () {
-  // All of the examples below are valid code, by default,
-  // the request body will be `RequestBody` and response will be `Record<string, any>`.
-  let response = await client.search({
-    index: 'test',
-    body: {
-      query: {
-        match: { foo: 'bar' }
-      }
+  // Let's start by indexing some data
+  await client.index({
+    index: 'game-of-thrones',
+    document: {
+      character: 'Ned Stark',
+      quote: 'Winter is coming.'
     }
   })
-  // body here is `ResponseBody`
-  console.log(response.body)
 
-  // The first generic is the response body
-  response = await client.search<SearchResponse<Source>>({
-    index: 'test',
-    // Here the body must follow the `RequestBody` interface
-    body: {
-      query: {
-        match: { foo: 'bar' }
-      }
+  await client.index({
+    index: 'game-of-thrones',
+    document: {
+      character: 'Daenerys Targaryen',
+      quote: 'I am the blood of the dragon.'
     }
   })
-  // body here is `SearchResponse<Source>`
-  console.log(response.body)
 
-  response = await client.search<SearchResponse<Source>, SearchBody>({
-    index: 'test',
-    // Here the body must follow the `SearchBody` interface
-    body: {
-      query: {
-        match: { foo: 'bar' }
-      }
+  await client.index({
+    index: 'game-of-thrones',
+    document: {
+      character: 'Tyrion Lannister',
+      quote: 'A mind needs books like a sword needs a whetstone.'
     }
   })
-  // body here is `SearchResponse<Source>`
-  console.log(response.body)
+
+  // here we are forcing an index refresh, otherwise we will not
+  // get any result in the consequent search
+  await client.indices.refresh({ index: 'game-of-thrones' })
+
+  // Let's search!
+  const result= await client.search<Document>({
+    index: 'game-of-thrones',
+    query: {
+      match: { quote: 'winter' }
+    }
+  })
+
+  console.log(result.hits.hits)
 }
 
 run().catch(console.log)
 ----
+
+[discrete]
+==== Request & Response types
+
+You can import the full TypeScript requests & responses definitions as it follows:
+
+[source,ts]
+----
+import { estypes } from '@elastic/elasticsearch'
+----
+
+If you need the legacy definitions with the body, you can do the following:
+
+[source,ts]
+----
+import { estypesWithBody } from '@elastic/elasticsearch'
+----

index.d.ts

@@ -18,7 +18,10 @@
  */
 
 import Client from './lib/client'
+import SniffingTransport from './lib/sniffingTransport'
 
 export * from '@elastic/transport'
-export { Client }
+export * as estypes from './lib/api/types'
+export * as estypesWithBody from './lib/api/typesWithBodyKey'
+export { Client, SniffingTransport }
 export type { ClientOptions, NodeOptions } from './lib/client'

index.js

@@ -35,9 +35,11 @@ const {
 } = require('@elastic/transport')
 
 const { default: Client } = require('./lib/client')
+const { default: SniffingTransport } = require('./lib/sniffingTransport')
 
 module.exports = {
   Client,
+  SniffingTransport,
   Diagnostic,
   Transport,
   WeightedConnectionPool,

package.json

@@ -1,17 +1,16 @@
 {
   "name": "@elastic/elasticsearch",
-  "version": "8.1.0-beta.1",
-  "versionCanary": "8.1.0-canary.2",
+  "version": "8.7.3",
+  "versionCanary": "8.7.3-canary.0",
   "description": "The official Elasticsearch client for Node.js",
   "main": "index.js",
   "types": "index.d.ts",
   "scripts": {
-    "test": "npm run build && npm run lint && tap test/{unit,acceptance}/{*,**/*}.test.ts",
+    "test": "npm run build && npm run lint && tap test/unit/{*,**/*}.test.ts",
     "test:unit": "npm run build && tap test/unit/{*,**/*}.test.ts",
-    "test:acceptance": "npm run build && tap test/acceptance/*.test.ts",
-    "test:coverage-100": "npm run build && tap test/{unit,acceptance}/{*,**/*}.test.ts --coverage --100",
-    "test:coverage-report": "npm run build && tap test/{unit,acceptance}/{*,**/*}.test.ts --coverage && nyc report --reporter=text-lcov > coverage.lcov",
-    "test:coverage-ui": "npm run build && tap test/{unit,acceptance}/{*,**/*}.test.ts --coverage --coverage-report=html",
+    "test:coverage-100": "npm run build && tap test/unit/{*,**/*}.test.ts --coverage --100",
+    "test:coverage-report": "npm run build && tap test/unit/{*,**/*}.test.ts --coverage && nyc report --reporter=text-lcov > coverage.lcov",
+    "test:coverage-ui": "npm run build && tap test/unit/{*,**/*}.test.ts --coverage --coverage-report=html",
     "test:integration": "tsc && node test/integration/index.js",
     "lint": "ts-standard src",
     "lint:fix": "ts-standard --fix src",
@@ -31,10 +30,16 @@
     "client",
     "index"
   ],
-  "author": {
-    "name": "Tomas Della Vedova",
-    "company": "Elastic BV"
-  },
+  "contributors": [
+    {
+      "name": "Tomas Della Vedova",
+      "company": "Elastic BV"
+    },
+    {
+      "name": "Josh Mock",
+      "company": "Elastic BV"
+    }
+  ],
   "license": "Apache-2.0",
   "repository": {
     "type": "git",
@@ -45,43 +50,44 @@
   },
   "homepage": "http://www.elastic.co/guide/en/elasticsearch/client/javascript-api/current/index.html",
   "engines": {
-    "node": ">=12"
+    "node": ">=14"
   },
   "devDependencies": {
     "@sinonjs/fake-timers": "github:sinonjs/fake-timers#0bfffc1",
-    "@types/debug": "^4.1.6",
+    "@types/debug": "^4.1.7",
     "@types/ms": "^0.7.31",
-    "@types/node": "^16.4.1",
-    "@types/sinonjs__fake-timers": "^6.0.3",
+    "@types/node": "^17.0.31",
+    "@types/sinonjs__fake-timers": "^8.1.2",
     "@types/split2": "^3.2.1",
     "@types/stoppable": "^1.1.1",
-    "@types/tap": "^15.0.5",
+    "@types/tap": "^15.0.7",
     "cross-zip": "^4.0.0",
+    "desm": "^1.2.0",
     "fast-deep-equal": "^3.1.3",
-    "into-stream": "^6.0.0",
+    "into-stream": "^7.0.0",
     "js-yaml": "^4.1.0",
     "license-checker": "^25.0.1",
-    "minimist": "^1.2.5",
+    "minimist": "^1.2.6",
     "ms": "^2.1.3",
-    "node-abort-controller": "^2.0.0",
-    "node-fetch": "^2.6.2",
+    "node-abort-controller": "^3.0.1",
+    "node-fetch": "^2.6.7",
     "ora": "^5.4.1",
     "proxy": "^1.0.2",
     "rimraf": "^3.0.2",
-    "semver": "^7.3.5",
-    "split2": "^3.2.2",
-    "standard": "^16.0.3",
+    "semver": "^7.3.7",
+    "split2": "^4.1.0",
     "stoppable": "^1.1.0",
-    "tap": "^15.0.9",
-    "ts-node": "^10.1.0",
-    "ts-standard": "^10.0.0",
-    "typescript": "^4.3.5",
+    "tap": "^16.1.0",
+    "ts-node": "^10.7.0",
+    "ts-standard": "^11.0.0",
+    "typescript": "^4.6.4",
     "workq": "^3.0.0",
-    "xmlbuilder2": "^3.0.2"
+    "xmlbuilder2": "^3.0.2",
+    "zx": "^6.1.0"
   },
   "dependencies": {
-    "@elastic/transport": "^8.1.0-beta.1",
-    "tslib": "^2.3.0"
+    "@elastic/transport": "~8.3.1",
+    "tslib": "^2.4.0"
   },
   "tap": {
     "ts": true,

scripts/release-canary.js

@@ -31,7 +31,6 @@ async function release (opts) {
   const originalVersion = packageJson.version
   const currentCanaryVersion = packageJson.versionCanary
   const originalTypes = packageJson.types
-  const originalNpmIgnore = await readFile(join(__dirname, '..', '.npmignore'), 'utf8')
 
   const newCanaryInteger = opts.reset ? 1 : (Number(currentCanaryVersion.split('-')[1].split('.')[1]) + 1)
   const newCanaryVersion = `${originalVersion.split('-')[0]}-canary.${newCanaryInteger}`
@@ -49,15 +48,6 @@ async function release (opts) {
     'utf8'
   )
 
-  // update the npmignore to publish the kibana types as well
-  const newNpmIgnore = originalNpmIgnore.slice(0, originalNpmIgnore.indexOf('# CANARY-PACKAGE')) +
-                       originalNpmIgnore.slice(originalNpmIgnore.indexOf('# /CANARY-PACKAGE') + 17)
-  await writeFile(
-    join(__dirname, '..', '.npmignore'),
-    newNpmIgnore,
-    'utf8'
-  )
-
   // confirm the package.json changes with the user
   const diff = execSync('git diff').toString().split('\n').map(colorDiff).join('\n')
   console.log(diff)
@@ -81,12 +71,6 @@ async function release (opts) {
     JSON.stringify(packageJson, null, 2) + '\n',
     'utf8'
   )
-
-  await writeFile(
-    join(__dirname, '..', '.npmignore'),
-    originalNpmIgnore,
-    'utf8'
-  )
 }
 
 function confirm (question) {

scripts/utils/generateApis.js

@@ -228,7 +228,7 @@ function generateSingleApi (version, spec, common) {
 
     ${genUrlValidation(paths, api)}
 
-    let { ${genQueryBlacklist(false)}, ...querystring } = params
+    let { ${genQueryDenylist(false)}, ...querystring } = params
     querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)
 
     let path = ''
@@ -316,20 +316,20 @@ function generateSingleApi (version, spec, common) {
     }, {})
   }
 
-  function genQueryBlacklist (addQuotes = true) {
+  function genQueryDenylist (addQuotes = true) {
     const toCamelCase = str => {
       return str[0] === '_'
         ? '_' + str.slice(1).replace(/_([a-z])/g, k => k[1].toUpperCase())
         : str.replace(/_([a-z])/g, k => k[1].toUpperCase())
     }
 
-    const blacklist = ['method', 'body']
+    const denylist = ['method', 'body']
     parts.forEach(p => {
       const camelStr = toCamelCase(p)
-      if (camelStr !== p) blacklist.push(`${camelStr}`)
-      blacklist.push(`${p}`)
+      if (camelStr !== p) denylist.push(`${camelStr}`)
+      denylist.push(`${p}`)
     })
-    return addQuotes ? blacklist.map(q => `'${q}'`) : blacklist
+    return addQuotes ? denylist.map(q => `'${q}'`) : denylist
   }
 
   function buildPath () {

src/api/api/async_search.ts

@@ -65,10 +65,10 @@ export default class AsyncSearch {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async get<TDocument = unknown> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.AsyncSearchGetResponse<TDocument>>
-  async get<TDocument = unknown> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.AsyncSearchGetResponse<TDocument>, unknown>>
-  async get<TDocument = unknown> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptions): Promise<T.AsyncSearchGetResponse<TDocument>>
-  async get<TDocument = unknown> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptions): Promise<any> {
+  async get<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.AsyncSearchGetResponse<TDocument, TAggregations>>
+  async get<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.AsyncSearchGetResponse<TDocument, TAggregations>, unknown>>
+  async get<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptions): Promise<T.AsyncSearchGetResponse<TDocument, TAggregations>>
+  async get<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params: T.AsyncSearchGetRequest | TB.AsyncSearchGetRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['id']
     const querystring: Record<string, any> = {}
     const body = undefined
@@ -87,10 +87,10 @@ export default class AsyncSearch {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async status<TDocument = unknown> (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.AsyncSearchStatusResponse<TDocument>>
-  async status<TDocument = unknown> (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.AsyncSearchStatusResponse<TDocument>, unknown>>
-  async status<TDocument = unknown> (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptions): Promise<T.AsyncSearchStatusResponse<TDocument>>
-  async status<TDocument = unknown> (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptions): Promise<any> {
+  async status (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.AsyncSearchStatusResponse>
+  async status (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.AsyncSearchStatusResponse, unknown>>
+  async status (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptions): Promise<T.AsyncSearchStatusResponse>
+  async status (this: That, params: T.AsyncSearchStatusRequest | TB.AsyncSearchStatusRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['id']
     const querystring: Record<string, any> = {}
     const body = undefined
@@ -109,12 +109,12 @@ export default class AsyncSearch {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async submit<TDocument = unknown> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.AsyncSearchSubmitResponse<TDocument>>
-  async submit<TDocument = unknown> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.AsyncSearchSubmitResponse<TDocument>, unknown>>
-  async submit<TDocument = unknown> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptions): Promise<T.AsyncSearchSubmitResponse<TDocument>>
-  async submit<TDocument = unknown> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptions): Promise<any> {
+  async submit<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.AsyncSearchSubmitResponse<TDocument, TAggregations>>
+  async submit<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.AsyncSearchSubmitResponse<TDocument, TAggregations>, unknown>>
+  async submit<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptions): Promise<T.AsyncSearchSubmitResponse<TDocument, TAggregations>>
+  async submit<TDocument = unknown, TAggregations = Record<T.AggregateName, T.AggregationsAggregate>> (this: That, params?: T.AsyncSearchSubmitRequest | TB.AsyncSearchSubmitRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['index']
-    const acceptedBody: string[] = ['aggregations', 'aggs', 'collapse', 'explain', 'from', 'highlight', 'track_total_hits', 'indices_boost', 'docvalue_fields', 'min_score', 'post_filter', 'profile', 'query', 'rescore', 'script_fields', 'search_after', 'size', 'slice', 'sort', '_source', 'fields', 'suggest', 'terminate_after', 'timeout', 'track_scores', 'version', 'seq_no_primary_term', 'stored_fields', 'pit', 'runtime_mappings', 'stats']
+    const acceptedBody: string[] = ['aggregations', 'aggs', 'collapse', 'explain', 'ext', 'from', 'highlight', 'track_total_hits', 'indices_boost', 'docvalue_fields', 'knn', 'min_score', 'post_filter', 'profile', 'query', 'rescore', 'script_fields', 'search_after', 'size', 'slice', 'sort', '_source', 'fields', 'suggest', 'terminate_after', 'timeout', 'track_scores', 'version', 'seq_no_primary_term', 'stored_fields', 'pit', 'runtime_mappings', 'stats']
     const querystring: Record<string, any> = {}
     // @ts-expect-error
     const userBody: any = params?.body
@@ -130,7 +130,8 @@ export default class AsyncSearch {
       if (acceptedBody.includes(key)) {
         body = body ?? {}
         // @ts-expect-error
-        if (key === 'sort' && typeof params[key] === 'string' && params[key].includes(':')) {
+        if (key === 'sort' && typeof params[key] === 'string' && params[key].includes(':')) { // eslint-disable-line
+          // @ts-expect-error
           querystring[key] = params[key]
         } else {
           // @ts-expect-error

src/api/api/bulk.ts

@@ -37,10 +37,10 @@ import * as T from '../types'
 import * as TB from '../typesWithBodyKey'
 interface That { transport: Transport }
 
-export default async function BulkApi<TSource = unknown> (this: That, params: T.BulkRequest<TSource> | TB.BulkRequest<TSource>, options?: TransportRequestOptionsWithOutMeta): Promise<T.BulkResponse>
-export default async function BulkApi<TSource = unknown> (this: That, params: T.BulkRequest<TSource> | TB.BulkRequest<TSource>, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.BulkResponse, unknown>>
-export default async function BulkApi<TSource = unknown> (this: That, params: T.BulkRequest<TSource> | TB.BulkRequest<TSource>, options?: TransportRequestOptions): Promise<T.BulkResponse>
-export default async function BulkApi<TSource = unknown> (this: That, params: T.BulkRequest<TSource> | TB.BulkRequest<TSource>, options?: TransportRequestOptions): Promise<any> {
+export default async function BulkApi<TDocument = unknown, TPartialDocument = unknown> (this: That, params: T.BulkRequest<TDocument, TPartialDocument> | TB.BulkRequest<TDocument, TPartialDocument>, options?: TransportRequestOptionsWithOutMeta): Promise<T.BulkResponse>
+export default async function BulkApi<TDocument = unknown, TPartialDocument = unknown> (this: That, params: T.BulkRequest<TDocument, TPartialDocument> | TB.BulkRequest<TDocument, TPartialDocument>, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.BulkResponse, unknown>>
+export default async function BulkApi<TDocument = unknown, TPartialDocument = unknown> (this: That, params: T.BulkRequest<TDocument, TPartialDocument> | TB.BulkRequest<TDocument, TPartialDocument>, options?: TransportRequestOptions): Promise<T.BulkResponse>
+export default async function BulkApi<TDocument = unknown, TPartialDocument = unknown> (this: That, params: T.BulkRequest<TDocument, TPartialDocument> | TB.BulkRequest<TDocument, TPartialDocument>, options?: TransportRequestOptions): Promise<any> {
   const acceptedPath: string[] = ['index']
   const acceptedBody: string[] = ['operations']
   const querystring: Record<string, any> = {}

src/api/api/cat.ts

@@ -103,6 +103,36 @@ export default class Cat {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
+  async componentTemplates (this: That, params?: T.CatComponentTemplatesRequest | TB.CatComponentTemplatesRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.CatComponentTemplatesResponse>
+  async componentTemplates (this: That, params?: T.CatComponentTemplatesRequest | TB.CatComponentTemplatesRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.CatComponentTemplatesResponse, unknown>>
+  async componentTemplates (this: That, params?: T.CatComponentTemplatesRequest | TB.CatComponentTemplatesRequest, options?: TransportRequestOptions): Promise<T.CatComponentTemplatesResponse>
+  async componentTemplates (this: That, params?: T.CatComponentTemplatesRequest | TB.CatComponentTemplatesRequest, options?: TransportRequestOptions): Promise<any> {
+    const acceptedPath: string[] = ['name']
+    const querystring: Record<string, any> = {}
+    const body = undefined
+
+    params = params ?? {}
+    for (const key in params) {
+      if (acceptedPath.includes(key)) {
+        continue
+      } else if (key !== 'body') {
+        // @ts-expect-error
+        querystring[key] = params[key]
+      }
+    }
+
+    let method = ''
+    let path = ''
+    if (params.name != null) {
+      method = 'GET'
+      path = `/_cat/component_templates/${encodeURIComponent(params.name.toString())}`
+    } else {
+      method = 'GET'
+      path = '/_cat/component_templates'
+    }
+    return await this.transport.request({ path, method, querystring, body }, options)
+  }
+
   async count (this: That, params?: T.CatCountRequest | TB.CatCountRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.CatCountResponse>
   async count (this: That, params?: T.CatCountRequest | TB.CatCountRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.CatCountResponse, unknown>>
   async count (this: That, params?: T.CatCountRequest | TB.CatCountRequest, options?: TransportRequestOptions): Promise<T.CatCountResponse>

src/api/api/cluster.ts

@@ -279,7 +279,7 @@ export default class Cluster {
   async putComponentTemplate (this: That, params: T.ClusterPutComponentTemplateRequest | TB.ClusterPutComponentTemplateRequest, options?: TransportRequestOptions): Promise<T.ClusterPutComponentTemplateResponse>
   async putComponentTemplate (this: That, params: T.ClusterPutComponentTemplateRequest | TB.ClusterPutComponentTemplateRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['name']
-    const acceptedBody: string[] = ['template', 'aliases', 'mappings', 'settings', 'version', '_meta']
+    const acceptedBody: string[] = ['template', 'version', '_meta', 'allow_auto_create']
     const querystring: Record<string, any> = {}
     // @ts-expect-error
     const userBody: any = params?.body

src/api/api/enrich.ts

@@ -122,7 +122,7 @@ export default class Enrich {
   async putPolicy (this: That, params: T.EnrichPutPolicyRequest | TB.EnrichPutPolicyRequest, options?: TransportRequestOptions): Promise<T.EnrichPutPolicyResponse>
   async putPolicy (this: That, params: T.EnrichPutPolicyRequest | TB.EnrichPutPolicyRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['name']
-    const acceptedBody: string[] = ['geo_match', 'match']
+    const acceptedBody: string[] = ['geo_match', 'match', 'range']
     const querystring: Record<string, any> = {}
     // @ts-expect-error
     const userBody: any = params?.body

src/api/api/eql.ts

@@ -114,7 +114,7 @@ export default class Eql {
   async search<TEvent = unknown> (this: That, params: T.EqlSearchRequest | TB.EqlSearchRequest, options?: TransportRequestOptions): Promise<T.EqlSearchResponse<TEvent>>
   async search<TEvent = unknown> (this: That, params: T.EqlSearchRequest | TB.EqlSearchRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['index']
-    const acceptedBody: string[] = ['query', 'case_sensitive', 'event_category_field', 'tiebreaker_field', 'timestamp_field', 'fetch_size', 'filter', 'keep_alive', 'keep_on_completion', 'wait_for_completion_timeout', 'size', 'fields', 'result_position']
+    const acceptedBody: string[] = ['query', 'case_sensitive', 'event_category_field', 'tiebreaker_field', 'timestamp_field', 'fetch_size', 'filter', 'keep_alive', 'keep_on_completion', 'wait_for_completion_timeout', 'size', 'fields', 'result_position', 'runtime_mappings']
     const querystring: Record<string, any> = {}
     // @ts-expect-error
     const userBody: any = params?.body

src/api/api/field_caps.ts

@@ -42,7 +42,7 @@ export default async function FieldCapsApi (this: That, params?: T.FieldCapsRequ
 export default async function FieldCapsApi (this: That, params?: T.FieldCapsRequest | TB.FieldCapsRequest, options?: TransportRequestOptions): Promise<T.FieldCapsResponse>
 export default async function FieldCapsApi (this: That, params?: T.FieldCapsRequest | TB.FieldCapsRequest, options?: TransportRequestOptions): Promise<any> {
   const acceptedPath: string[] = ['index']
-  const acceptedBody: string[] = ['index_filter', 'runtime_mappings']
+  const acceptedBody: string[] = ['fields', 'index_filter', 'runtime_mappings']
   const querystring: Record<string, any> = {}
   // @ts-expect-error
   const userBody: any = params?.body

src/api/api/fleet.ts

@@ -65,19 +65,24 @@ export default class Fleet {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async msearch (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async msearch (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async msearch (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async msearch (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async msearch<TDocument = unknown> (this: That, params: T.FleetMsearchRequest | TB.FleetMsearchRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.FleetMsearchResponse<TDocument>>
+  async msearch<TDocument = unknown> (this: That, params: T.FleetMsearchRequest | TB.FleetMsearchRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.FleetMsearchResponse<TDocument>, unknown>>
+  async msearch<TDocument = unknown> (this: That, params: T.FleetMsearchRequest | TB.FleetMsearchRequest, options?: TransportRequestOptions): Promise<T.FleetMsearchResponse<TDocument>>
+  async msearch<TDocument = unknown> (this: That, params: T.FleetMsearchRequest | TB.FleetMsearchRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['index']
+    const acceptedBody: string[] = ['searches']
     const querystring: Record<string, any> = {}
-    const body = undefined
+    // @ts-expect-error
+    let body: any = params.body ?? undefined
 
-    params = params ?? {}
     for (const key in params) {
-      if (acceptedPath.includes(key)) {
+      if (acceptedBody.includes(key)) {
+        // @ts-expect-error
+        body = params[key]
+      } else if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }
@@ -94,19 +99,31 @@ export default class Fleet {
     return await this.transport.request({ path, method, querystring, bulkBody: body }, options)
   }
 
-  async search (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async search (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async search (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async search (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async search<TDocument = unknown> (this: That, params: T.FleetSearchRequest | TB.FleetSearchRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.FleetSearchResponse<TDocument>>
+  async search<TDocument = unknown> (this: That, params: T.FleetSearchRequest | TB.FleetSearchRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.FleetSearchResponse<TDocument>, unknown>>
+  async search<TDocument = unknown> (this: That, params: T.FleetSearchRequest | TB.FleetSearchRequest, options?: TransportRequestOptions): Promise<T.FleetSearchResponse<TDocument>>
+  async search<TDocument = unknown> (this: That, params: T.FleetSearchRequest | TB.FleetSearchRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['index']
+    const acceptedBody: string[] = ['aggregations', 'aggs', 'collapse', 'explain', 'ext', 'from', 'highlight', 'track_total_hits', 'indices_boost', 'docvalue_fields', 'min_score', 'post_filter', 'profile', 'query', 'rescore', 'script_fields', 'search_after', 'size', 'slice', 'sort', '_source', 'fields', 'suggest', 'terminate_after', 'timeout', 'track_scores', 'version', 'seq_no_primary_term', 'stored_fields', 'pit', 'runtime_mappings', 'stats']
     const querystring: Record<string, any> = {}
-    const body = undefined
+    // @ts-expect-error
+    const userBody: any = params?.body
+    let body: Record<string, any> | string
+    if (typeof userBody === 'string') {
+      body = userBody
+    } else {
+      body = userBody != null ? { ...userBody } : undefined
+    }
 
-    params = params ?? {}
     for (const key in params) {
-      if (acceptedPath.includes(key)) {
+      if (acceptedBody.includes(key)) {
+        body = body ?? {}
+        // @ts-expect-error
+        body[key] = params[key]
+      } else if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }

src/api/api/health_report.ts

@@ -0,0 +1,68 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* eslint-disable import/export */
+/* eslint-disable @typescript-eslint/no-misused-new */
+/* eslint-disable @typescript-eslint/no-extraneous-class */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+
+// This file was automatically generated by elastic/elastic-client-generator-js
+// DO NOT MODIFY IT BY HAND. Instead, modify the source open api file,
+// and elastic/elastic-client-generator-js to regenerate this file again.
+
+import {
+  Transport,
+  TransportRequestOptions,
+  TransportRequestOptionsWithMeta,
+  TransportRequestOptionsWithOutMeta,
+  TransportResult
+} from '@elastic/transport'
+import * as T from '../types'
+import * as TB from '../typesWithBodyKey'
+interface That { transport: Transport }
+
+export default async function HealthReportApi (this: That, params?: T.HealthReportRequest | TB.HealthReportRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.HealthReportResponse>
+export default async function HealthReportApi (this: That, params?: T.HealthReportRequest | TB.HealthReportRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.HealthReportResponse, unknown>>
+export default async function HealthReportApi (this: That, params?: T.HealthReportRequest | TB.HealthReportRequest, options?: TransportRequestOptions): Promise<T.HealthReportResponse>
+export default async function HealthReportApi (this: That, params?: T.HealthReportRequest | TB.HealthReportRequest, options?: TransportRequestOptions): Promise<any> {
+  const acceptedPath: string[] = ['feature']
+  const querystring: Record<string, any> = {}
+  const body = undefined
+
+  params = params ?? {}
+  for (const key in params) {
+    if (acceptedPath.includes(key)) {
+      continue
+    } else if (key !== 'body') {
+      // @ts-expect-error
+      querystring[key] = params[key]
+    }
+  }
+
+  let method = ''
+  let path = ''
+  if (params.feature != null) {
+    method = 'GET'
+    path = `/_health_report/${encodeURIComponent(params.feature.toString())}`
+  } else {
+    method = 'GET'
+    path = '/_health_report'
+  }
+  return await this.transport.request({ path, method, querystring, body }, options)
+}

src/api/api/ilm.ts

@@ -140,19 +140,32 @@ export default class Ilm {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async migrateToDataTiers (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async migrateToDataTiers (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async migrateToDataTiers (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async migrateToDataTiers (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async migrateToDataTiers (this: That, params?: T.IlmMigrateToDataTiersRequest | TB.IlmMigrateToDataTiersRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.IlmMigrateToDataTiersResponse>
+  async migrateToDataTiers (this: That, params?: T.IlmMigrateToDataTiersRequest | TB.IlmMigrateToDataTiersRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.IlmMigrateToDataTiersResponse, unknown>>
+  async migrateToDataTiers (this: That, params?: T.IlmMigrateToDataTiersRequest | TB.IlmMigrateToDataTiersRequest, options?: TransportRequestOptions): Promise<T.IlmMigrateToDataTiersResponse>
+  async migrateToDataTiers (this: That, params?: T.IlmMigrateToDataTiersRequest | TB.IlmMigrateToDataTiersRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = []
+    const acceptedBody: string[] = ['legacy_template_to_delete', 'node_attribute']
     const querystring: Record<string, any> = {}
-    const body = undefined
+    // @ts-expect-error
+    const userBody: any = params?.body
+    let body: Record<string, any> | string
+    if (typeof userBody === 'string') {
+      body = userBody
+    } else {
+      body = userBody != null ? { ...userBody } : undefined
+    }
 
     params = params ?? {}
     for (const key in params) {
-      if (acceptedPath.includes(key)) {
+      if (acceptedBody.includes(key)) {
+        body = body ?? {}
+        // @ts-expect-error
+        body[key] = params[key]
+      } else if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }

src/api/api/indices.ts

@@ -418,6 +418,33 @@ export default class Indices {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
+  async downsample (this: That, params: T.IndicesDownsampleRequest | TB.IndicesDownsampleRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.IndicesDownsampleResponse>
+  async downsample (this: That, params: T.IndicesDownsampleRequest | TB.IndicesDownsampleRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.IndicesDownsampleResponse, unknown>>
+  async downsample (this: That, params: T.IndicesDownsampleRequest | TB.IndicesDownsampleRequest, options?: TransportRequestOptions): Promise<T.IndicesDownsampleResponse>
+  async downsample (this: That, params: T.IndicesDownsampleRequest | TB.IndicesDownsampleRequest, options?: TransportRequestOptions): Promise<any> {
+    const acceptedPath: string[] = ['index', 'target_index']
+    const acceptedBody: string[] = ['config']
+    const querystring: Record<string, any> = {}
+    // @ts-expect-error
+    let body: any = params.body ?? undefined
+
+    for (const key in params) {
+      if (acceptedBody.includes(key)) {
+        // @ts-expect-error
+        body = params[key]
+      } else if (acceptedPath.includes(key)) {
+        continue
+      } else if (key !== 'body') {
+        // @ts-expect-error
+        querystring[key] = params[key]
+      }
+    }
+
+    const method = 'POST'
+    const path = `/${encodeURIComponent(params.index.toString())}/_downsample/${encodeURIComponent(params.target_index.toString())}`
+    return await this.transport.request({ path, method, querystring, body }, options)
+  }
+
   async exists (this: That, params: T.IndicesExistsRequest | TB.IndicesExistsRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.IndicesExistsResponse>
   async exists (this: That, params: T.IndicesExistsRequest | TB.IndicesExistsRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.IndicesExistsResponse, unknown>>
   async exists (this: That, params: T.IndicesExistsRequest | TB.IndicesExistsRequest, options?: TransportRequestOptions): Promise<T.IndicesExistsResponse>
@@ -513,19 +540,19 @@ export default class Indices {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async fieldUsageStats (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async fieldUsageStats (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async fieldUsageStats (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async fieldUsageStats (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async fieldUsageStats (this: That, params: T.IndicesFieldUsageStatsRequest | TB.IndicesFieldUsageStatsRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.IndicesFieldUsageStatsResponse>
+  async fieldUsageStats (this: That, params: T.IndicesFieldUsageStatsRequest | TB.IndicesFieldUsageStatsRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.IndicesFieldUsageStatsResponse, unknown>>
+  async fieldUsageStats (this: That, params: T.IndicesFieldUsageStatsRequest | TB.IndicesFieldUsageStatsRequest, options?: TransportRequestOptions): Promise<T.IndicesFieldUsageStatsResponse>
+  async fieldUsageStats (this: That, params: T.IndicesFieldUsageStatsRequest | TB.IndicesFieldUsageStatsRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = ['index']
     const querystring: Record<string, any> = {}
     const body = undefined
 
-    params = params ?? {}
     for (const key in params) {
       if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }
@@ -860,19 +887,31 @@ export default class Indices {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async modifyDataStream (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async modifyDataStream (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async modifyDataStream (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async modifyDataStream (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async modifyDataStream (this: That, params: T.IndicesModifyDataStreamRequest | TB.IndicesModifyDataStreamRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.IndicesModifyDataStreamResponse>
+  async modifyDataStream (this: That, params: T.IndicesModifyDataStreamRequest | TB.IndicesModifyDataStreamRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.IndicesModifyDataStreamResponse, unknown>>
+  async modifyDataStream (this: That, params: T.IndicesModifyDataStreamRequest | TB.IndicesModifyDataStreamRequest, options?: TransportRequestOptions): Promise<T.IndicesModifyDataStreamResponse>
+  async modifyDataStream (this: That, params: T.IndicesModifyDataStreamRequest | TB.IndicesModifyDataStreamRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = []
+    const acceptedBody: string[] = ['actions']
     const querystring: Record<string, any> = {}
-    const body = undefined
+    // @ts-expect-error
+    const userBody: any = params?.body
+    let body: Record<string, any> | string
+    if (typeof userBody === 'string') {
+      body = userBody
+    } else {
+      body = userBody != null ? { ...userBody } : undefined
+    }
 
-    params = params ?? {}
     for (const key in params) {
-      if (acceptedPath.includes(key)) {
+      if (acceptedBody.includes(key)) {
+        body = body ?? {}
+        // @ts-expect-error
+        body[key] = params[key]
+      } else if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }

src/api/api/knn_search.ts

@@ -42,7 +42,7 @@ export default async function KnnSearchApi<TDocument = unknown> (this: That, par
 export default async function KnnSearchApi<TDocument = unknown> (this: That, params: T.KnnSearchRequest | TB.KnnSearchRequest, options?: TransportRequestOptions): Promise<T.KnnSearchResponse<TDocument>>
 export default async function KnnSearchApi<TDocument = unknown> (this: That, params: T.KnnSearchRequest | TB.KnnSearchRequest, options?: TransportRequestOptions): Promise<any> {
   const acceptedPath: string[] = ['index']
-  const acceptedBody: string[] = ['_source', 'docvalue_fields', 'stored_fields', 'fields', 'knn']
+  const acceptedBody: string[] = ['_source', 'docvalue_fields', 'stored_fields', 'fields', 'filter', 'knn']
   const querystring: Record<string, any> = {}
   // @ts-expect-error
   const userBody: any = params?.body

src/api/api/license.ts

@@ -135,10 +135,10 @@ export default class License {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async post (this: That, params: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.LicensePostResponse>
-  async post (this: That, params: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.LicensePostResponse, unknown>>
-  async post (this: That, params: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptions): Promise<T.LicensePostResponse>
-  async post (this: That, params: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptions): Promise<any> {
+  async post (this: That, params?: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.LicensePostResponse>
+  async post (this: That, params?: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.LicensePostResponse, unknown>>
+  async post (this: That, params?: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptions): Promise<T.LicensePostResponse>
+  async post (this: That, params?: T.LicensePostRequest | TB.LicensePostRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = []
     const acceptedBody: string[] = ['license', 'licenses']
     const querystring: Record<string, any> = {}
@@ -151,6 +151,7 @@ export default class License {
       body = userBody != null ? { ...userBody } : undefined
     }
 
+    params = params ?? {}
     for (const key in params) {
       if (acceptedBody.includes(key)) {
         body = body ?? {}

src/api/api/logstash.ts

@@ -82,8 +82,15 @@ export default class Logstash {
       }
     }
 
-    const method = 'GET'
-    const path = `/_logstash/pipeline/${encodeURIComponent(params.id.toString())}`
+    let method = ''
+    let path = ''
+    if (params.id != null) {
+      method = 'GET'
+      path = `/_logstash/pipeline/${encodeURIComponent(params.id.toString())}`
+    } else {
+      method = 'GET'
+      path = '/_logstash/pipeline'
+    }
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 

src/api/api/migration.ts

@@ -73,10 +73,10 @@ export default class Migration {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async getFeatureUpgradeStatus (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async getFeatureUpgradeStatus (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async getFeatureUpgradeStatus (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async getFeatureUpgradeStatus (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async getFeatureUpgradeStatus (this: That, params?: T.MigrationGetFeatureUpgradeStatusRequest | TB.MigrationGetFeatureUpgradeStatusRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.MigrationGetFeatureUpgradeStatusResponse>
+  async getFeatureUpgradeStatus (this: That, params?: T.MigrationGetFeatureUpgradeStatusRequest | TB.MigrationGetFeatureUpgradeStatusRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.MigrationGetFeatureUpgradeStatusResponse, unknown>>
+  async getFeatureUpgradeStatus (this: That, params?: T.MigrationGetFeatureUpgradeStatusRequest | TB.MigrationGetFeatureUpgradeStatusRequest, options?: TransportRequestOptions): Promise<T.MigrationGetFeatureUpgradeStatusResponse>
+  async getFeatureUpgradeStatus (this: That, params?: T.MigrationGetFeatureUpgradeStatusRequest | TB.MigrationGetFeatureUpgradeStatusRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = []
     const querystring: Record<string, any> = {}
     const body = undefined
@@ -86,6 +86,7 @@ export default class Migration {
       if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }
@@ -95,10 +96,10 @@ export default class Migration {
     return await this.transport.request({ path, method, querystring, body }, options)
   }
 
-  async postFeatureUpgrade (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithOutMeta): Promise<T.TODO>
-  async postFeatureUpgrade (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.TODO, unknown>>
-  async postFeatureUpgrade (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<T.TODO>
-  async postFeatureUpgrade (this: That, params?: T.TODO | TB.TODO, options?: TransportRequestOptions): Promise<any> {
+  async postFeatureUpgrade (this: That, params?: T.MigrationPostFeatureUpgradeRequest | TB.MigrationPostFeatureUpgradeRequest, options?: TransportRequestOptionsWithOutMeta): Promise<T.MigrationPostFeatureUpgradeResponse>
+  async postFeatureUpgrade (this: That, params?: T.MigrationPostFeatureUpgradeRequest | TB.MigrationPostFeatureUpgradeRequest, options?: TransportRequestOptionsWithMeta): Promise<TransportResult<T.MigrationPostFeatureUpgradeResponse, unknown>>
+  async postFeatureUpgrade (this: That, params?: T.MigrationPostFeatureUpgradeRequest | TB.MigrationPostFeatureUpgradeRequest, options?: TransportRequestOptions): Promise<T.MigrationPostFeatureUpgradeResponse>
+  async postFeatureUpgrade (this: That, params?: T.MigrationPostFeatureUpgradeRequest | TB.MigrationPostFeatureUpgradeRequest, options?: TransportRequestOptions): Promise<any> {
     const acceptedPath: string[] = []
     const querystring: Record<string, any> = {}
     const body = undefined
@@ -108,6 +109,7 @@ export default class Migration {
       if (acceptedPath.includes(key)) {
         continue
       } else if (key !== 'body') {
+        // @ts-expect-error
         querystring[key] = params[key]
       }
     }