77 lines
1.8 KiB
JavaScript
77 lines
1.8 KiB
JavaScript
/**
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* @import {
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OnLoadArgs,
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OnLoadResult,
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Plugin,
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PluginBuild
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* } from 'esbuild'
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*/
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import * as fs from "node:fs/promises";
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import * as path from "node:path";
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/**
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* @typedef {Omit<OnLoadArgs, 'pluginData'> & LoadDataFields} LoadData
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* Data passed to `onload`.
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*
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* @typedef LoadDataFields
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* Extra fields given in `data` to `onload`.
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* @property {PluginData | null | undefined} [pluginData]
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* Plugin data.
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*
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*
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* @typedef PluginData
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* Extra data passed.
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* @property {Buffer | string | null | undefined} [contents]
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* File contents.
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*/
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const name = "mdx-plugin";
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/**
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* @typedef MDXPluginOptions
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*
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* @property {string} root Root directory.
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*/
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/**
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* Bundle MDX into JSON modules.
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*
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* @param {MDXPluginOptions} options Options.
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* @returns {Plugin} Plugin.
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*/
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export function mdxPlugin({ root }) {
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/**
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* @param {PluginBuild} build
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*/
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function setup(build) {
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/**
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* @param {LoadData} data Data.
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* @returns {Promise<OnLoadResult>} Result.
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*/
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async function onload(data) {
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const content = String(
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data.pluginData &&
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data.pluginData.contents !== null &&
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data.pluginData.contents !== undefined
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? data.pluginData.contents
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: await fs.readFile(data.path),
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);
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const publicPath = path.resolve(
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"/",
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path.relative(path.join(root, "website"), data.path),
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);
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const publicDirectory = path.dirname(publicPath);
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return {
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contents: JSON.stringify({ content, publicPath, publicDirectory }),
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loader: "file",
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};
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}
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build.onLoad({ filter: /\.mdx?$/ }, onload);
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}
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return { name, setup };
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}
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