export = TerserPlugin;
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/**
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* @template [T=import("terser").MinifyOptions]
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*/
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declare class TerserPlugin<T = import("terser").MinifyOptions> {
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/**
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* @private
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* @param {unknown} input Input to check
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* @returns {boolean} Whether input is a source map
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*/
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private static isSourceMap;
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/**
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* @private
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* @param {unknown} warning warning
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* @param {string} file file
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* @returns {Error} built warning
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*/
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private static buildWarning;
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/**
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* @private
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* @param {Error | ErrorObject | string} error error
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* @param {string} file file
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* @param {TraceMap=} sourceMap source map
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* @param {Compilation["requestShortener"]=} requestShortener request shortener
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* @returns {Error} built error
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*/
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private static buildError;
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/**
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* @private
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* @param {Parallel} parallel value of the `parallel` option
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* @returns {number} number of cores for parallelism
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*/
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private static getAvailableNumberOfCores;
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/**
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* @private
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* @param {NonNullable<NonNullable<Configuration["output"]>["environment"]>} environment environment
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* @returns {number} ecma version
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*/
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private static getEcmaVersion;
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/**
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* @param {BasePluginOptions & DefinedDefaultMinimizerAndOptions<T>=} options options
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*/
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constructor(
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options?:
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| (BasePluginOptions & DefinedDefaultMinimizerAndOptions<T>)
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| undefined,
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);
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/**
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* @private
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* @type {InternalPluginOptions<T>}
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*/
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private options;
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/**
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* @private
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* @param {Compiler} compiler compiler
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* @param {Compilation} compilation compilation
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* @param {Record<string, import("webpack").sources.Source>} assets assets
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* @param {{ availableNumberOfCores: number }} optimizeOptions optimize options
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* @returns {Promise<void>}
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*/
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private optimize;
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/**
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* @param {Compiler} compiler compiler
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* @returns {void}
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*/
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apply(compiler: Compiler): void;
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}
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declare namespace TerserPlugin {
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export {
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terserMinify,
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uglifyJsMinify,
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swcMinify,
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esbuildMinify,
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Schema,
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Compiler,
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Compilation,
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Configuration,
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Asset,
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AssetInfo,
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JestWorker,
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RawSourceMap,
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TraceMap,
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Rule,
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Rules,
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ExtractCommentsFunction,
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ExtractCommentsCondition,
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ExtractCommentsFilename,
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ExtractCommentsBanner,
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ExtractCommentsObject,
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ExtractCommentsOptions,
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ErrorObject,
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MinimizedResult,
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Input,
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CustomOptions,
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InferDefaultType,
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PredefinedOptions,
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MinimizerOptions,
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BasicMinimizerImplementation,
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MinimizeFunctionHelpers,
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MinimizerImplementation,
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InternalOptions,
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MinimizerWorker,
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Parallel,
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BasePluginOptions,
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DefinedDefaultMinimizerAndOptions,
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InternalPluginOptions,
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};
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}
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import { terserMinify } from "./utils";
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import { uglifyJsMinify } from "./utils";
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import { swcMinify } from "./utils";
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import { esbuildMinify } from "./utils";
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type Schema = import("schema-utils/declarations/validate").Schema;
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type Compiler = import("webpack").Compiler;
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type Compilation = import("webpack").Compilation;
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type Configuration = import("webpack").Configuration;
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type Asset = import("webpack").Asset;
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type AssetInfo = import("webpack").AssetInfo;
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type JestWorker = import("jest-worker").Worker;
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type RawSourceMap = import("@jridgewell/trace-mapping").EncodedSourceMap & {
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sources: string[];
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sourcesContent?: string[];
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file: string;
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};
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type TraceMap = import("@jridgewell/trace-mapping").TraceMap;
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type Rule = RegExp | string;
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type Rules = Rule[] | Rule;
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type ExtractCommentsFunction = (
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astNode: any,
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comment: {
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value: string;
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type: "comment1" | "comment2" | "comment3" | "comment4";
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pos: number;
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line: number;
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col: number;
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},
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) => boolean;
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type ExtractCommentsCondition =
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| boolean
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| "all"
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| "some"
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| RegExp
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| ExtractCommentsFunction;
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type ExtractCommentsFilename = string | ((fileData: any) => string);
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type ExtractCommentsBanner =
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| boolean
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| string
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| ((commentsFile: string) => string);
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type ExtractCommentsObject = {
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/**
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* condition which comments need to be expected
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*/
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condition?: ExtractCommentsCondition | undefined;
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/**
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* filename for extracted comments
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*/
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filename?: ExtractCommentsFilename | undefined;
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/**
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* banner in filename for extracted comments
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*/
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banner?: ExtractCommentsBanner | undefined;
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};
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type ExtractCommentsOptions = ExtractCommentsCondition | ExtractCommentsObject;
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type ErrorObject = {
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/**
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* message
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*/
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message: string;
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/**
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* line number
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*/
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line?: number | undefined;
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/**
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* column number
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*/
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column?: number | undefined;
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/**
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* error stack trace
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*/
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stack?: string | undefined;
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};
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type MinimizedResult = {
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/**
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* code
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*/
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code?: string | undefined;
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/**
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* source map
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*/
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map?: RawSourceMap | undefined;
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/**
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* errors
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*/
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errors?: Array<Error | string> | undefined;
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/**
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* warnings
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*/
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warnings?: Array<Error | string> | undefined;
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/**
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* extracted comments
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*/
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extractedComments?: Array<string> | undefined;
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};
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type Input = {
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[file: string]: string;
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};
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type CustomOptions = {
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[key: string]: any;
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};
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type InferDefaultType<T> = T extends infer U ? U : CustomOptions;
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type PredefinedOptions<T> = {
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/**
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* true when code is a EC module, otherwise false
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*/
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module?:
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| (T extends {
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module?: infer P;
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}
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? P
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: boolean | string)
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| undefined;
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/**
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* ecma version
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*/
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ecma?:
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| (T extends {
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ecma?: infer P;
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}
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? P
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: number | string)
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| undefined;
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};
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type MinimizerOptions<T> = PredefinedOptions<T> & InferDefaultType<T>;
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type BasicMinimizerImplementation<T> = (
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input: Input,
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sourceMap: RawSourceMap | undefined,
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minifyOptions: MinimizerOptions<T>,
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extractComments: ExtractCommentsOptions | undefined,
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) => Promise<MinimizedResult> | MinimizedResult;
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type MinimizeFunctionHelpers = {
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/**
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* function that returns version of minimizer
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*/
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getMinimizerVersion?: (() => string | undefined) | undefined;
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/**
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* true when minimizer support worker threads, otherwise false
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*/
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supportsWorkerThreads?: (() => boolean | undefined) | undefined;
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};
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type MinimizerImplementation<T> = BasicMinimizerImplementation<T> &
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MinimizeFunctionHelpers;
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type InternalOptions<T> = {
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/**
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* name
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*/
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name: string;
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/**
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* input
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*/
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input: string;
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/**
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* input source map
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*/
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inputSourceMap: RawSourceMap | undefined;
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/**
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* extract comments option
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*/
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extractComments: ExtractCommentsOptions | undefined;
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/**
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* minimizer
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*/
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minimizer: {
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implementation: MinimizerImplementation<T>;
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options: MinimizerOptions<T>;
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};
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};
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type MinimizerWorker<T> = JestWorker & {
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transform: (options: string) => Promise<MinimizedResult>;
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minify: (options: InternalOptions<T>) => Promise<MinimizedResult>;
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};
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type Parallel = undefined | boolean | number;
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type BasePluginOptions = {
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/**
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* test rule
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*/
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test?: Rules | undefined;
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/**
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* include rile
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*/
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include?: Rules | undefined;
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/**
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* exclude rule
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*/
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exclude?: Rules | undefined;
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/**
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* extract comments options
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*/
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extractComments?: ExtractCommentsOptions | undefined;
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/**
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* parallel option
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*/
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parallel?: Parallel | undefined;
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};
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type DefinedDefaultMinimizerAndOptions<T> =
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T extends import("terser").MinifyOptions
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? {
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minify?: MinimizerImplementation<T> | undefined;
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terserOptions?: MinimizerOptions<T> | undefined;
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}
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: {
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minify: MinimizerImplementation<T>;
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terserOptions?: MinimizerOptions<T> | undefined;
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};
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type InternalPluginOptions<T> = BasePluginOptions & {
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minimizer: {
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implementation: MinimizerImplementation<T>;
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options: MinimizerOptions<T>;
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};
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};
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