[Backport 7.x] Prereleases in meta header should be displayed as p (#1390)

Co-authored-by: Tomas Della Vedova <delvedor@users.noreply.github.com>

index.js

@@ -33,7 +33,12 @@ const Serializer = require('./lib/Serializer')
 const errors = require('./lib/errors')
 const { ConfigurationError } = errors
 const { prepareHeaders } = Connection.internals
-const clientVersion = require('./package.json').version
+let clientVersion = require('./package.json').version
+/* istanbul ignore next */
+if (clientVersion.includes('-')) {
+  // clean prerelease
+  clientVersion = clientVersion.slice(0, clientVersion.indexOf('-')) + 'p'
+}
 const nodeVersion = process.versions.node
 
 const kInitialOptions = Symbol('elasticsearchjs-initial-options')

test/unit/client.test.js

@@ -26,7 +26,10 @@ const intoStream = require('into-stream')
 const { Client, ConnectionPool, Transport, Connection, errors } = require('../../index')
 const { CloudConnectionPool } = require('../../lib/pool')
 const { buildServer } = require('../utils')
-const clientVersion = require('../../package.json').version
+let clientVersion = require('../../package.json').version
+if (clientVersion.includes('-')) {
+  clientVersion = clientVersion.slice(0, clientVersion.indexOf('-')) + 'p'
+}
 const nodeVersion = process.versions.node
 
 test('Configure host', t => {

test/unit/helpers/bulk.test.js

@@ -27,7 +27,10 @@ const semver = require('semver')
 const { test } = require('tap')
 const { Client, errors } = require('../../../')
 const { buildServer, connection } = require('../../utils')
-const clientVersion = require('../../../package.json').version
+let clientVersion = require('../../../package.json').version
+if (clientVersion.includes('-')) {
+  clientVersion = clientVersion.slice(0, clientVersion.indexOf('-')) + 'p'
+}
 const nodeVersion = process.versions.node
 
 const dataset = [

test/unit/helpers/scroll.test.js

@@ -22,7 +22,10 @@
 const { test } = require('tap')
 const { Client, errors } = require('../../../')
 const { connection } = require('../../utils')
-const clientVersion = require('../../../package.json').version
+let clientVersion = require('../../../package.json').version
+if (clientVersion.includes('-')) {
+  clientVersion = clientVersion.slice(0, clientVersion.indexOf('-')) + 'p'
+}
 const nodeVersion = process.versions.node
 
 test('Scroll search', async t => {