657 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			657 lines
		
	
	
		
			22 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| "use strict";
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| 
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| /** @typedef {import("@jridgewell/trace-mapping").SourceMapInput} SourceMapInput */
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| /** @typedef {import("./index.js").ExtractCommentsOptions} ExtractCommentsOptions */
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| /** @typedef {import("./index.js").ExtractCommentsFunction} ExtractCommentsFunction */
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| /** @typedef {import("./index.js").ExtractCommentsCondition} ExtractCommentsCondition */
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| /** @typedef {import("./index.js").Input} Input */
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| /** @typedef {import("./index.js").MinimizedResult} MinimizedResult */
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| /** @typedef {import("./index.js").CustomOptions} CustomOptions */
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| 
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| /**
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|  * @template T
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|  * @typedef {import("./index.js").PredefinedOptions<T>} PredefinedOptions
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|  */
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| 
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| /**
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|  * @typedef {Array<string>} ExtractedComments
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|  */
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| 
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| const notSettled = Symbol(`not-settled`);
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| 
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| /**
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|  * @template T
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|  * @typedef {() => Promise<T>} Task
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|  */
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| 
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| /**
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|  * Run tasks with limited concurrency.
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|  * @template T
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|  * @param {number} limit - Limit of tasks that run at once.
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|  * @param {Task<T>[]} tasks - List of tasks to run.
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|  * @returns {Promise<T[]>} A promise that fulfills to an array of the results
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|  */
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| function throttleAll(limit, tasks) {
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|   if (!Number.isInteger(limit) || limit < 1) {
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|     throw new TypeError(`Expected \`limit\` to be a finite number > 0, got \`${limit}\` (${typeof limit})`);
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|   }
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|   if (!Array.isArray(tasks) || !tasks.every(task => typeof task === `function`)) {
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|     throw new TypeError(`Expected \`tasks\` to be a list of functions returning a promise`);
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|   }
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|   return new Promise((resolve, reject) => {
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|     const result = Array(tasks.length).fill(notSettled);
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|     const entries = tasks.entries();
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|     const next = () => {
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|       const {
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|         done,
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|         value
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|       } = entries.next();
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|       if (done) {
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|         const isLast = !result.includes(notSettled);
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|         if (isLast) resolve( /** @type{T[]} **/result);
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|         return;
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|       }
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|       const [index, task] = value;
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| 
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|       /**
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|        * @param {T} x
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|        */
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|       const onFulfilled = x => {
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|         result[index] = x;
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|         next();
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|       };
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|       task().then(onFulfilled, reject);
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|     };
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|     Array(limit).fill(0).forEach(next);
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|   });
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| }
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| 
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| /* istanbul ignore next */
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| /**
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|  * @param {Input} input
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|  * @param {SourceMapInput | undefined} sourceMap
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|  * @param {CustomOptions} minimizerOptions
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|  * @param {ExtractCommentsOptions | undefined} extractComments
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|  * @return {Promise<MinimizedResult>}
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|  */
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| async function terserMinify(input, sourceMap, minimizerOptions, extractComments) {
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|   /**
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|    * @param {any} value
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|    * @returns {boolean}
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|    */
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|   const isObject = value => {
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|     const type = typeof value;
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|     return value != null && (type === "object" || type === "function");
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|   };
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| 
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|   /**
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|    * @param {import("terser").MinifyOptions & { sourceMap: undefined } & ({ output: import("terser").FormatOptions & { beautify: boolean } } | { format: import("terser").FormatOptions & { beautify: boolean } })} terserOptions
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|    * @param {ExtractedComments} extractedComments
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|    * @returns {ExtractCommentsFunction}
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|    */
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|   const buildComments = (terserOptions, extractedComments) => {
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|     /** @type {{ [index: string]: ExtractCommentsCondition }} */
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|     const condition = {};
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|     let comments;
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|     if (terserOptions.format) {
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|       ({
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|         comments
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|       } = terserOptions.format);
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|     } else if (terserOptions.output) {
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|       ({
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|         comments
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|       } = terserOptions.output);
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|     }
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|     condition.preserve = typeof comments !== "undefined" ? comments : false;
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|     if (typeof extractComments === "boolean" && extractComments) {
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|       condition.extract = "some";
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|     } else if (typeof extractComments === "string" || extractComments instanceof RegExp) {
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|       condition.extract = extractComments;
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|     } else if (typeof extractComments === "function") {
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|       condition.extract = extractComments;
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|     } else if (extractComments && isObject(extractComments)) {
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|       condition.extract = typeof extractComments.condition === "boolean" && extractComments.condition ? "some" : typeof extractComments.condition !== "undefined" ? extractComments.condition : "some";
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|     } else {
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|       // No extract
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|       // Preserve using "commentsOpts" or "some"
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|       condition.preserve = typeof comments !== "undefined" ? comments : "some";
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|       condition.extract = false;
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|     }
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| 
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|     // Ensure that both conditions are functions
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|     ["preserve", "extract"].forEach(key => {
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|       /** @type {undefined | string} */
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|       let regexStr;
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|       /** @type {undefined | RegExp} */
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|       let regex;
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|       switch (typeof condition[key]) {
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|         case "boolean":
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|           condition[key] = condition[key] ? () => true : () => false;
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|           break;
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|         case "function":
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|           break;
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|         case "string":
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|           if (condition[key] === "all") {
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|             condition[key] = () => true;
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|             break;
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|           }
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|           if (condition[key] === "some") {
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|             condition[key] = /** @type {ExtractCommentsFunction} */
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|             (astNode, comment) => (comment.type === "comment2" || comment.type === "comment1") && /@preserve|@lic|@cc_on|^\**!/i.test(comment.value);
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|             break;
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|           }
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|           regexStr = /** @type {string} */condition[key];
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|           condition[key] = /** @type {ExtractCommentsFunction} */
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|           (astNode, comment) => new RegExp( /** @type {string} */regexStr).test(comment.value);
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|           break;
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|         default:
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|           regex = /** @type {RegExp} */condition[key];
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|           condition[key] = /** @type {ExtractCommentsFunction} */
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|           (astNode, comment) => /** @type {RegExp} */regex.test(comment.value);
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|       }
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|     });
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| 
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|     // Redefine the comments function to extract and preserve
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|     // comments according to the two conditions
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|     return (astNode, comment) => {
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|       if ( /** @type {{ extract: ExtractCommentsFunction }} */
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|       condition.extract(astNode, comment)) {
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|         const commentText = comment.type === "comment2" ? `/*${comment.value}*/` : `//${comment.value}`;
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| 
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|         // Don't include duplicate comments
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|         if (!extractedComments.includes(commentText)) {
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|           extractedComments.push(commentText);
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|         }
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|       }
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|       return /** @type {{ preserve: ExtractCommentsFunction }} */condition.preserve(astNode, comment);
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|     };
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|   };
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| 
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|   /**
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|    * @param {PredefinedOptions<import("terser").MinifyOptions> & import("terser").MinifyOptions} [terserOptions={}]
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|    * @returns {import("terser").MinifyOptions & { sourceMap: undefined } & { compress: import("terser").CompressOptions } & ({ output: import("terser").FormatOptions & { beautify: boolean } } | { format: import("terser").FormatOptions & { beautify: boolean } })}
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|    */
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|   const buildTerserOptions = (terserOptions = {}) => {
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|     // Need deep copy objects to avoid https://github.com/terser/terser/issues/366
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|     return {
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|       ...terserOptions,
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|       compress: typeof terserOptions.compress === "boolean" ? terserOptions.compress ? {} : false : {
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|         ...terserOptions.compress
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|       },
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|       // ecma: terserOptions.ecma,
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|       // ie8: terserOptions.ie8,
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|       // keep_classnames: terserOptions.keep_classnames,
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|       // keep_fnames: terserOptions.keep_fnames,
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|       mangle: terserOptions.mangle == null ? true : typeof terserOptions.mangle === "boolean" ? terserOptions.mangle : {
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|         ...terserOptions.mangle
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|       },
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|       // module: terserOptions.module,
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|       // nameCache: { ...terserOptions.toplevel },
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|       // the `output` option is deprecated
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|       ...(terserOptions.format ? {
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|         format: {
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|           beautify: false,
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|           ...terserOptions.format
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|         }
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|       } : {
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|         output: {
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|           beautify: false,
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|           ...terserOptions.output
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|         }
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|       }),
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|       parse: {
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|         ...terserOptions.parse
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|       },
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|       // safari10: terserOptions.safari10,
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|       // Ignoring sourceMap from options
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|       // eslint-disable-next-line no-undefined
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|       sourceMap: undefined
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|       // toplevel: terserOptions.toplevel
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|     };
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|   };
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| 
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|   // eslint-disable-next-line global-require
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|   const {
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|     minify
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|   } = require("terser");
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|   // Copy `terser` options
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|   const terserOptions = buildTerserOptions(minimizerOptions);
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| 
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|   // Let terser generate a SourceMap
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|   if (sourceMap) {
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|     // @ts-ignore
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|     terserOptions.sourceMap = {
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|       asObject: true
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|     };
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|   }
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| 
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|   /** @type {ExtractedComments} */
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|   const extractedComments = [];
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|   if (terserOptions.output) {
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|     terserOptions.output.comments = buildComments(terserOptions, extractedComments);
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|   } else if (terserOptions.format) {
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|     terserOptions.format.comments = buildComments(terserOptions, extractedComments);
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|   }
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|   if (terserOptions.compress) {
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|     // More optimizations
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|     if (typeof terserOptions.compress.ecma === "undefined") {
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|       terserOptions.compress.ecma = terserOptions.ecma;
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|     }
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| 
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|     // https://github.com/webpack/webpack/issues/16135
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|     if (terserOptions.ecma === 5 && typeof terserOptions.compress.arrows === "undefined") {
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|       terserOptions.compress.arrows = false;
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|     }
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|   }
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|   const [[filename, code]] = Object.entries(input);
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|   const result = await minify({
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|     [filename]: code
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|   }, terserOptions);
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|   return {
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|     code: ( /** @type {string} **/result.code),
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|     // @ts-ignore
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|     // eslint-disable-next-line no-undefined
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|     map: result.map ? ( /** @type {SourceMapInput} **/result.map) : undefined,
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|     extractedComments
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|   };
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| }
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| 
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| /**
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|  * @returns {string | undefined}
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|  */
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| terserMinify.getMinimizerVersion = () => {
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|   let packageJson;
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|   try {
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|     // eslint-disable-next-line global-require
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|     packageJson = require("terser/package.json");
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|   } catch (error) {
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|     // Ignore
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|   }
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|   return packageJson && packageJson.version;
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| };
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| 
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| /**
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|  * @returns {boolean | undefined}
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|  */
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| terserMinify.supportsWorkerThreads = () => true;
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| 
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| /* istanbul ignore next */
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| /**
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|  * @param {Input} input
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|  * @param {SourceMapInput | undefined} sourceMap
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|  * @param {CustomOptions} minimizerOptions
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|  * @param {ExtractCommentsOptions | undefined} extractComments
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|  * @return {Promise<MinimizedResult>}
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|  */
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| async function uglifyJsMinify(input, sourceMap, minimizerOptions, extractComments) {
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|   /**
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|    * @param {any} value
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|    * @returns {boolean}
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|    */
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|   const isObject = value => {
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|     const type = typeof value;
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|     return value != null && (type === "object" || type === "function");
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|   };
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| 
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|   /**
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|    * @param {import("uglify-js").MinifyOptions & { sourceMap: undefined } & { output: import("uglify-js").OutputOptions & { beautify: boolean }}} uglifyJsOptions
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|    * @param {ExtractedComments} extractedComments
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|    * @returns {ExtractCommentsFunction}
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|    */
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|   const buildComments = (uglifyJsOptions, extractedComments) => {
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|     /** @type {{ [index: string]: ExtractCommentsCondition }} */
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|     const condition = {};
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|     const {
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|       comments
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|     } = uglifyJsOptions.output;
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|     condition.preserve = typeof comments !== "undefined" ? comments : false;
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|     if (typeof extractComments === "boolean" && extractComments) {
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|       condition.extract = "some";
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|     } else if (typeof extractComments === "string" || extractComments instanceof RegExp) {
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|       condition.extract = extractComments;
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|     } else if (typeof extractComments === "function") {
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|       condition.extract = extractComments;
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|     } else if (extractComments && isObject(extractComments)) {
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|       condition.extract = typeof extractComments.condition === "boolean" && extractComments.condition ? "some" : typeof extractComments.condition !== "undefined" ? extractComments.condition : "some";
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|     } else {
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|       // No extract
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|       // Preserve using "commentsOpts" or "some"
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|       condition.preserve = typeof comments !== "undefined" ? comments : "some";
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|       condition.extract = false;
 | |
|     }
 | |
| 
 | |
|     // Ensure that both conditions are functions
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|     ["preserve", "extract"].forEach(key => {
 | |
|       /** @type {undefined | string} */
 | |
|       let regexStr;
 | |
|       /** @type {undefined | RegExp} */
 | |
|       let regex;
 | |
|       switch (typeof condition[key]) {
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|         case "boolean":
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|           condition[key] = condition[key] ? () => true : () => false;
 | |
|           break;
 | |
|         case "function":
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|           break;
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|         case "string":
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|           if (condition[key] === "all") {
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|             condition[key] = () => true;
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|             break;
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|           }
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|           if (condition[key] === "some") {
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|             condition[key] = /** @type {ExtractCommentsFunction} */
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|             (astNode, comment) => (comment.type === "comment2" || comment.type === "comment1") && /@preserve|@lic|@cc_on|^\**!/i.test(comment.value);
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|             break;
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|           }
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|           regexStr = /** @type {string} */condition[key];
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|           condition[key] = /** @type {ExtractCommentsFunction} */
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|           (astNode, comment) => new RegExp( /** @type {string} */regexStr).test(comment.value);
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|           break;
 | |
|         default:
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|           regex = /** @type {RegExp} */condition[key];
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|           condition[key] = /** @type {ExtractCommentsFunction} */
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|           (astNode, comment) => /** @type {RegExp} */regex.test(comment.value);
 | |
|       }
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|     });
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| 
 | |
|     // Redefine the comments function to extract and preserve
 | |
|     // comments according to the two conditions
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|     return (astNode, comment) => {
 | |
|       if ( /** @type {{ extract: ExtractCommentsFunction }} */
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|       condition.extract(astNode, comment)) {
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|         const commentText = comment.type === "comment2" ? `/*${comment.value}*/` : `//${comment.value}`;
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| 
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|         // Don't include duplicate comments
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|         if (!extractedComments.includes(commentText)) {
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|           extractedComments.push(commentText);
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|         }
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|       }
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|       return /** @type {{ preserve: ExtractCommentsFunction }} */condition.preserve(astNode, comment);
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|     };
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|   };
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| 
 | |
|   /**
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|    * @param {PredefinedOptions<import("uglify-js").MinifyOptions> & import("uglify-js").MinifyOptions} [uglifyJsOptions={}]
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|    * @returns {import("uglify-js").MinifyOptions & { sourceMap: undefined } & { output: import("uglify-js").OutputOptions & { beautify: boolean }}}
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|    */
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|   const buildUglifyJsOptions = (uglifyJsOptions = {}) => {
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|     // eslint-disable-next-line no-param-reassign
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|     delete minimizerOptions.ecma;
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|     // eslint-disable-next-line no-param-reassign
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|     delete minimizerOptions.module;
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| 
 | |
|     // Need deep copy objects to avoid https://github.com/terser/terser/issues/366
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|     return {
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|       ...uglifyJsOptions,
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|       // warnings: uglifyJsOptions.warnings,
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|       parse: {
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|         ...uglifyJsOptions.parse
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|       },
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|       compress: typeof uglifyJsOptions.compress === "boolean" ? uglifyJsOptions.compress : {
 | |
|         ...uglifyJsOptions.compress
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|       },
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|       mangle: uglifyJsOptions.mangle == null ? true : typeof uglifyJsOptions.mangle === "boolean" ? uglifyJsOptions.mangle : {
 | |
|         ...uglifyJsOptions.mangle
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|       },
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|       output: {
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|         beautify: false,
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|         ...uglifyJsOptions.output
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|       },
 | |
|       // Ignoring sourceMap from options
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|       // eslint-disable-next-line no-undefined
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|       sourceMap: undefined
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|       // toplevel: uglifyJsOptions.toplevel
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|       // nameCache: { ...uglifyJsOptions.toplevel },
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|       // ie8: uglifyJsOptions.ie8,
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|       // keep_fnames: uglifyJsOptions.keep_fnames,
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|     };
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|   };
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| 
 | |
|   // eslint-disable-next-line global-require, import/no-extraneous-dependencies
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|   const {
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|     minify
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|   } = require("uglify-js");
 | |
| 
 | |
|   // Copy `uglify-js` options
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|   const uglifyJsOptions = buildUglifyJsOptions(minimizerOptions);
 | |
| 
 | |
|   // Let terser generate a SourceMap
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|   if (sourceMap) {
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|     // @ts-ignore
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|     uglifyJsOptions.sourceMap = true;
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|   }
 | |
| 
 | |
|   /** @type {ExtractedComments} */
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|   const extractedComments = [];
 | |
| 
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|   // @ts-ignore
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|   uglifyJsOptions.output.comments = buildComments(uglifyJsOptions, extractedComments);
 | |
|   const [[filename, code]] = Object.entries(input);
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|   const result = await minify({
 | |
|     [filename]: code
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|   }, uglifyJsOptions);
 | |
|   return {
 | |
|     code: result.code,
 | |
|     // eslint-disable-next-line no-undefined
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|     map: result.map ? JSON.parse(result.map) : undefined,
 | |
|     errors: result.error ? [result.error] : [],
 | |
|     warnings: result.warnings || [],
 | |
|     extractedComments
 | |
|   };
 | |
| }
 | |
| 
 | |
| /**
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|  * @returns {string | undefined}
 | |
|  */
 | |
| uglifyJsMinify.getMinimizerVersion = () => {
 | |
|   let packageJson;
 | |
|   try {
 | |
|     // eslint-disable-next-line global-require, import/no-extraneous-dependencies
 | |
|     packageJson = require("uglify-js/package.json");
 | |
|   } catch (error) {
 | |
|     // Ignore
 | |
|   }
 | |
|   return packageJson && packageJson.version;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * @returns {boolean | undefined}
 | |
|  */
 | |
| uglifyJsMinify.supportsWorkerThreads = () => true;
 | |
| 
 | |
| /* istanbul ignore next */
 | |
| /**
 | |
|  * @param {Input} input
 | |
|  * @param {SourceMapInput | undefined} sourceMap
 | |
|  * @param {CustomOptions} minimizerOptions
 | |
|  * @return {Promise<MinimizedResult>}
 | |
|  */
 | |
| async function swcMinify(input, sourceMap, minimizerOptions) {
 | |
|   /**
 | |
|    * @param {PredefinedOptions<import("@swc/core").JsMinifyOptions> & import("@swc/core").JsMinifyOptions} [swcOptions={}]
 | |
|    * @returns {import("@swc/core").JsMinifyOptions & { sourceMap: undefined } & { compress: import("@swc/core").TerserCompressOptions }}
 | |
|    */
 | |
|   const buildSwcOptions = (swcOptions = {}) => {
 | |
|     // Need deep copy objects to avoid https://github.com/terser/terser/issues/366
 | |
|     return {
 | |
|       ...swcOptions,
 | |
|       compress: typeof swcOptions.compress === "boolean" ? swcOptions.compress ? {} : false : {
 | |
|         ...swcOptions.compress
 | |
|       },
 | |
|       mangle: swcOptions.mangle == null ? true : typeof swcOptions.mangle === "boolean" ? swcOptions.mangle : {
 | |
|         ...swcOptions.mangle
 | |
|       },
 | |
|       // ecma: swcOptions.ecma,
 | |
|       // keep_classnames: swcOptions.keep_classnames,
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|       // keep_fnames: swcOptions.keep_fnames,
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|       // module: swcOptions.module,
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|       // safari10: swcOptions.safari10,
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|       // toplevel: swcOptions.toplevel
 | |
|       // eslint-disable-next-line no-undefined
 | |
|       sourceMap: undefined
 | |
|     };
 | |
|   };
 | |
| 
 | |
|   // eslint-disable-next-line import/no-extraneous-dependencies, global-require
 | |
|   const swc = require("@swc/core");
 | |
|   // Copy `swc` options
 | |
|   const swcOptions = buildSwcOptions(minimizerOptions);
 | |
| 
 | |
|   // Let `swc` generate a SourceMap
 | |
|   if (sourceMap) {
 | |
|     // @ts-ignore
 | |
|     swcOptions.sourceMap = true;
 | |
|   }
 | |
|   if (swcOptions.compress) {
 | |
|     // More optimizations
 | |
|     if (typeof swcOptions.compress.ecma === "undefined") {
 | |
|       swcOptions.compress.ecma = swcOptions.ecma;
 | |
|     }
 | |
| 
 | |
|     // https://github.com/webpack/webpack/issues/16135
 | |
|     if (swcOptions.ecma === 5 && typeof swcOptions.compress.arrows === "undefined") {
 | |
|       swcOptions.compress.arrows = false;
 | |
|     }
 | |
|   }
 | |
|   const [[filename, code]] = Object.entries(input);
 | |
|   const result = await swc.minify(code, swcOptions);
 | |
|   let map;
 | |
|   if (result.map) {
 | |
|     map = JSON.parse(result.map);
 | |
| 
 | |
|     // TODO workaround for swc because `filename` is not preset as in `swc` signature as for `terser`
 | |
|     map.sources = [filename];
 | |
|     delete map.sourcesContent;
 | |
|   }
 | |
|   return {
 | |
|     code: result.code,
 | |
|     map
 | |
|   };
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @returns {string | undefined}
 | |
|  */
 | |
| swcMinify.getMinimizerVersion = () => {
 | |
|   let packageJson;
 | |
|   try {
 | |
|     // eslint-disable-next-line global-require, import/no-extraneous-dependencies
 | |
|     packageJson = require("@swc/core/package.json");
 | |
|   } catch (error) {
 | |
|     // Ignore
 | |
|   }
 | |
|   return packageJson && packageJson.version;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * @returns {boolean | undefined}
 | |
|  */
 | |
| swcMinify.supportsWorkerThreads = () => false;
 | |
| 
 | |
| /* istanbul ignore next */
 | |
| /**
 | |
|  * @param {Input} input
 | |
|  * @param {SourceMapInput | undefined} sourceMap
 | |
|  * @param {CustomOptions} minimizerOptions
 | |
|  * @return {Promise<MinimizedResult>}
 | |
|  */
 | |
| async function esbuildMinify(input, sourceMap, minimizerOptions) {
 | |
|   /**
 | |
|    * @param {PredefinedOptions<import("esbuild").TransformOptions> & import("esbuild").TransformOptions} [esbuildOptions={}]
 | |
|    * @returns {import("esbuild").TransformOptions}
 | |
|    */
 | |
|   const buildEsbuildOptions = (esbuildOptions = {}) => {
 | |
|     // eslint-disable-next-line no-param-reassign
 | |
|     delete esbuildOptions.ecma;
 | |
|     if (esbuildOptions.module) {
 | |
|       // eslint-disable-next-line no-param-reassign
 | |
|       esbuildOptions.format = "esm";
 | |
|     }
 | |
| 
 | |
|     // eslint-disable-next-line no-param-reassign
 | |
|     delete esbuildOptions.module;
 | |
| 
 | |
|     // Need deep copy objects to avoid https://github.com/terser/terser/issues/366
 | |
|     return {
 | |
|       minify: true,
 | |
|       legalComments: "inline",
 | |
|       ...esbuildOptions,
 | |
|       sourcemap: false
 | |
|     };
 | |
|   };
 | |
| 
 | |
|   // eslint-disable-next-line import/no-extraneous-dependencies, global-require
 | |
|   const esbuild = require("esbuild");
 | |
| 
 | |
|   // Copy `esbuild` options
 | |
|   const esbuildOptions = buildEsbuildOptions(minimizerOptions);
 | |
| 
 | |
|   // Let `esbuild` generate a SourceMap
 | |
|   if (sourceMap) {
 | |
|     esbuildOptions.sourcemap = true;
 | |
|     esbuildOptions.sourcesContent = false;
 | |
|   }
 | |
|   const [[filename, code]] = Object.entries(input);
 | |
|   esbuildOptions.sourcefile = filename;
 | |
|   const result = await esbuild.transform(code, esbuildOptions);
 | |
|   return {
 | |
|     code: result.code,
 | |
|     // eslint-disable-next-line no-undefined
 | |
|     map: result.map ? JSON.parse(result.map) : undefined,
 | |
|     warnings: result.warnings.length > 0 ? result.warnings.map(item => {
 | |
|       const plugin = item.pluginName ? `\nPlugin Name: ${item.pluginName}` : "";
 | |
|       const location = item.location ? `\n\n${item.location.file}:${item.location.line}:${item.location.column}:\n  ${item.location.line} | ${item.location.lineText}\n\nSuggestion: ${item.location.suggestion}` : "";
 | |
|       const notes = item.notes.length > 0 ? `\n\nNotes:\n${item.notes.map(note => `${note.location ? `[${note.location.file}:${note.location.line}:${note.location.column}] ` : ""}${note.text}${note.location ? `\nSuggestion: ${note.location.suggestion}` : ""}${note.location ? `\nLine text:\n${note.location.lineText}\n` : ""}`).join("\n")}` : "";
 | |
|       return `${item.text} [${item.id}]${plugin}${location}${item.detail ? `\nDetails:\n${item.detail}` : ""}${notes}`;
 | |
|     }) : []
 | |
|   };
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * @returns {string | undefined}
 | |
|  */
 | |
| esbuildMinify.getMinimizerVersion = () => {
 | |
|   let packageJson;
 | |
|   try {
 | |
|     // eslint-disable-next-line global-require, import/no-extraneous-dependencies
 | |
|     packageJson = require("esbuild/package.json");
 | |
|   } catch (error) {
 | |
|     // Ignore
 | |
|   }
 | |
|   return packageJson && packageJson.version;
 | |
| };
 | |
| 
 | |
| /**
 | |
|  * @returns {boolean | undefined}
 | |
|  */
 | |
| esbuildMinify.supportsWorkerThreads = () => false;
 | |
| 
 | |
| /**
 | |
|  * @template T
 | |
|  * @param fn {(function(): any) | undefined}
 | |
|  * @returns {function(): T}
 | |
|  */
 | |
| function memoize(fn) {
 | |
|   let cache = false;
 | |
|   /** @type {T} */
 | |
|   let result;
 | |
|   return () => {
 | |
|     if (cache) {
 | |
|       return result;
 | |
|     }
 | |
|     result = /** @type {function(): any} */fn();
 | |
|     cache = true;
 | |
|     // Allow to clean up memory for fn
 | |
|     // and all dependent resources
 | |
|     // eslint-disable-next-line no-undefined, no-param-reassign
 | |
|     fn = undefined;
 | |
|     return result;
 | |
|   };
 | |
| }
 | |
| module.exports = {
 | |
|   throttleAll,
 | |
|   memoize,
 | |
|   terserMinify,
 | |
|   uglifyJsMinify,
 | |
|   swcMinify,
 | |
|   esbuildMinify
 | |
| }; |