terser-webpack-plugin - npm Package Compare versions

Comparing version 5.3.7 to 5.3.8

dist/index.js

@@ -6,13 +6,5 @@ "use strict";
 const {
-  TraceMap,
-  originalPositionFor
-} = require("@jridgewell/trace-mapping");
-const {
   validate
 } = require("schema-utils");
-const serialize = require("serialize-javascript");
 const {
-  Worker
-} = require("jest-worker");
-const {
   throttleAll,
@@ -38,7 +30,6 @@ terserMinify,
 /** @typedef {import("@jridgewell/trace-mapping").SourceMapInput} SourceMapInput */
+/** @typedef {import("@jridgewell/trace-mapping").TraceMap} TraceMap */
 
-/** @typedef {RegExp | string} Rule */
+/** @typedef {string | string[] | RegExp | RegExp[]} Rules */
 
-/** @typedef {Rule[] | Rule} Rules */
-
 /**
@@ -166,2 +157,31 @@ * @callback ExtractCommentsFunction
 /**
+ * @template T
+ * @param fn {(function(): any) | undefined}
+ * @returns {function(): T}
+ */
+const 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;
+  };
+};
+const getTraceMapping = memoize(() =>
+// eslint-disable-next-line global-require
+require("@jridgewell/trace-mapping"));
+const getSerializeJavascript = memoize(() =>
+// eslint-disable-next-line global-require
+require("serialize-javascript"));
+
+/**
  * @template [T=TerserOptions]
@@ -255,3 +275,3 @@ */
     if (error.line) {
-      const original = sourceMap && originalPositionFor(sourceMap, {
+      const original = sourceMap && getTraceMapping().originalPositionFor(sourceMap, {
         line: error.line,
@@ -359,2 +379,7 @@ column: error.col
         }
+
+        // eslint-disable-next-line global-require
+        const {
+          Worker
+        } = require("jest-worker");
         initializedWorker = /** @type {MinimizerWorker<T>} */
@@ -450,3 +475,3 @@
           try {
-            output = await (getWorker ? getWorker().transform(serialize(options)) : minify(options));
+            output = await (getWorker ? getWorker().transform(getSerializeJavascript()(options)) : minify(options));
           } catch (error) {
@@ -456,3 +481,3 @@ const hasSourceMap = inputSourceMap && TerserPlugin.isSourceMap(inputSourceMap);
 
-            TerserPlugin.buildError(error, name, hasSourceMap ? new TraceMap( /** @type {SourceMapInput} */inputSourceMap) :
+            TerserPlugin.buildError(error, name, hasSourceMap ? new (getTraceMapping().TraceMap)( /** @type {SourceMapInput} */inputSourceMap) :
             // eslint-disable-next-line no-undefined
@@ -483,3 +508,3 @@ undefined,
              */
-            item => TerserPlugin.buildError(item, name, hasSourceMap ? new TraceMap( /** @type {SourceMapInput} */inputSourceMap) :
+            item => TerserPlugin.buildError(item, name, hasSourceMap ? new (getTraceMapping().TraceMap)( /** @type {SourceMapInput} */inputSourceMap) :
             // eslint-disable-next-line no-undefined
@@ -667,3 +692,3 @@ undefined,
       const hooks = compiler.webpack.javascript.JavascriptModulesPlugin.getCompilationHooks(compilation);
-      const data = serialize({
+      const data = getSerializeJavascript()({
         minimizer: typeof this.options.minimizer.implementation.getMinimizerVersion !== "undefined" ? this.options.minimizer.implementation.getMinimizerVersion() || "0.0.0" : "0.0.0",
@@ -670,0 +695,0 @@ options: this.options.minimizer.options

package.json

 {
   "name": "terser-webpack-plugin",
-  "version": "5.3.7",
+  "version": "5.3.8",
   "description": "Terser plugin for webpack",
@@ -32,2 +32,5 @@ "license": "MIT",
     "lint": "npm-run-all -l -p \"lint:**\"",
+    "fix:js": "npm run lint:js -- --fix",
+    "fix:prettier": "npm run lint:prettier -- --write",
+    "fix": "npm-run-all -l fix:js fix:prettier",
     "test:only": "cross-env NODE_ENV=test jest",
@@ -64,12 +67,12 @@ "test:watch": "npm run test:only -- --watch",
     "serialize-javascript": "^6.0.1",
-    "terser": "^5.16.5"
+    "terser": "^5.16.8"
   },
   "devDependencies": {
     "@babel/cli": "^7.21.0",
-    "@babel/core": "^7.21.0",
-    "@babel/preset-env": "^7.20.2",
-    "@commitlint/cli": "^17.4.4",
+    "@babel/core": "^7.21.4",
+    "@babel/preset-env": "^7.21.4",
+    "@commitlint/cli": "^17.5.1",
     "@commitlint/config-conventional": "^17.4.4",
-    "@swc/core": "^1.3.37",
-    "@types/node": "^18.14.4",
+    "@swc/core": "^1.3.44",
+    "@types/node": "^18.15.11",
     "@types/serialize-javascript": "^5.0.2",
@@ -81,3 +84,3 @@ "@types/uglify-js": "^3.17.1",
     "cross-env": "^7.0.3",
-    "cspell": "^6.27.0",
+    "cspell": "^6.31.1",
     "del": "^6.0.0",
@@ -87,3 +90,3 @@ "del-cli": "^3.0.1",
     "eslint": "^7.32.0",
-    "eslint-config-prettier": "^8.6.0",
+    "eslint-config-prettier": "^8.8.0",
     "eslint-plugin-import": "^2.27.5",
@@ -93,10 +96,10 @@ "file-loader": "^6.2.0",
     "jest": "^27.5.1",
-    "lint-staged": "^13.1.2",
+    "lint-staged": "^13.2.0",
     "memfs": "^3.4.13",
     "npm-run-all": "^4.1.5",
-    "prettier": "^2.8.4",
+    "prettier": "^2.8.7",
     "standard-version": "^9.3.1",
     "typescript": "^4.9.5",
     "uglify-js": "^3.17.4",
-    "webpack": "^5.75.0",
+    "webpack": "^5.77.0",
     "webpack-cli": "^4.10.0",
@@ -103,0 +106,0 @@ "worker-loader": "^3.0.8"

types/index.d.ts

 export = TerserPlugin;
-/** @typedef {import("schema-utils/declarations/validate").Schema} Schema */
-/** @typedef {import("webpack").Compiler} Compiler */
-/** @typedef {import("webpack").Compilation} Compilation */
-/** @typedef {import("webpack").WebpackError} WebpackError */
-/** @typedef {import("webpack").Asset} Asset */
-/** @typedef {import("./utils.js").TerserECMA} TerserECMA */
-/** @typedef {import("./utils.js").TerserOptions} TerserOptions */
-/** @typedef {import("jest-worker").Worker} JestWorker */
-/** @typedef {import("@jridgewell/trace-mapping").SourceMapInput} SourceMapInput */
-/** @typedef {RegExp | string} Rule */
-/** @typedef {Rule[] | Rule} Rules */
 /**
- * @callback ExtractCommentsFunction
- * @param {any} astNode
- * @param {{ value: string, type: 'comment1' | 'comment2' | 'comment3' | 'comment4', pos: number, line: number, col: number }} comment
- * @returns {boolean}
- */
-/**
- * @typedef {boolean | 'all' | 'some' | RegExp | ExtractCommentsFunction} ExtractCommentsCondition
- */
-/**
- * @typedef {string | ((fileData: any) => string)} ExtractCommentsFilename
- */
-/**
- * @typedef {boolean | string | ((commentsFile: string) => string)} ExtractCommentsBanner
- */
-/**
- * @typedef {Object} ExtractCommentsObject
- * @property {ExtractCommentsCondition} [condition]
- * @property {ExtractCommentsFilename} [filename]
- * @property {ExtractCommentsBanner} [banner]
- */
-/**
- * @typedef {ExtractCommentsCondition | ExtractCommentsObject} ExtractCommentsOptions
- */
-/**
- * @typedef {Object} MinimizedResult
- * @property {string} code
- * @property {SourceMapInput} [map]
- * @property {Array<Error | string>} [errors]
- * @property {Array<Error | string>} [warnings]
- * @property {Array<string>} [extractedComments]
- */
-/**
- * @typedef {{ [file: string]: string }} Input
- */
-/**
- * @typedef {{ [key: string]: any }} CustomOptions
- */
-/**
- * @template T
- * @typedef {T extends infer U ? U : CustomOptions} InferDefaultType
- */
-/**
- * @typedef {Object} PredefinedOptions
- * @property {boolean} [module]
- * @property {TerserECMA} [ecma]
- */
-/**
- * @template T
- * @typedef {PredefinedOptions & InferDefaultType<T>} MinimizerOptions
- */
-/**
- * @template T
- * @callback BasicMinimizerImplementation
- * @param {Input} input
- * @param {SourceMapInput | undefined} sourceMap
- * @param {MinimizerOptions<T>} minifyOptions
- * @param {ExtractCommentsOptions | undefined} extractComments
- * @returns {Promise<MinimizedResult>}
- */
-/**
- * @typedef {object} MinimizeFunctionHelpers
- * @property {() => string | undefined} [getMinimizerVersion]
- */
-/**
- * @template T
- * @typedef {BasicMinimizerImplementation<T> & MinimizeFunctionHelpers} MinimizerImplementation
- */
-/**
- * @template T
- * @typedef {Object} InternalOptions
- * @property {string} name
- * @property {string} input
- * @property {SourceMapInput | undefined} inputSourceMap
- * @property {ExtractCommentsOptions | undefined} extractComments
- * @property {{ implementation: MinimizerImplementation<T>, options: MinimizerOptions<T> }} minimizer
- */
-/**
- * @template T
- * @typedef {JestWorker & { transform: (options: string) => MinimizedResult, minify: (options: InternalOptions<T>) => MinimizedResult }} MinimizerWorker
- */
-/**
- * @typedef {undefined | boolean | number} Parallel
- */
-/**
- * @typedef {Object} BasePluginOptions
- * @property {Rules} [test]
- * @property {Rules} [include]
- * @property {Rules} [exclude]
- * @property {ExtractCommentsOptions} [extractComments]
- * @property {Parallel} [parallel]
- */
-/**
- * @template T
- * @typedef {T extends TerserOptions ? { minify?: MinimizerImplementation<T> | undefined, terserOptions?: MinimizerOptions<T> | undefined } : { minify: MinimizerImplementation<T>, terserOptions?: MinimizerOptions<T> | undefined }} DefinedDefaultMinimizerAndOptions
- */
-/**
- * @template T
- * @typedef {BasePluginOptions & { minimizer: { implementation: MinimizerImplementation<T>, options: MinimizerOptions<T> } }} InternalPluginOptions
- */
-/**
  * @template [T=TerserOptions]
@@ -194,3 +83,3 @@ */
     SourceMapInput,
-    Rule,
+    TraceMap,
     Rules,
@@ -249,4 +138,4 @@ ExtractCommentsFunction,
 type SourceMapInput = import("@jridgewell/trace-mapping").SourceMapInput;
-type Rule = RegExp | string;
-type Rules = Rule[] | Rule;
+type TraceMap = import("@jridgewell/trace-mapping").TraceMap;
+type Rules = string | string[] | RegExp | RegExp[];
 type ExtractCommentsFunction = (
@@ -319,3 +208,3 @@ astNode: any,
 };
-type MinimizerWorker<T> = Worker & {
+type MinimizerWorker<T> = import("jest-worker").Worker & {
   transform: (options: string) => MinimizedResult;
@@ -332,2 +221,1 @@ minify: (options: InternalOptions<T>) => MinimizedResult;
 import { minify } from "./minify";
-import { Worker } from "jest-worker";

No alert changes

Worsened metrics

Total package byte prevSize

87799

decreased by-3.19%

Lines of code

1777

decreased by-4.72%

Dependency changes

• Updatedterser@^5.16.8