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215 lines
5.2 KiB
215 lines
5.2 KiB
2 years ago
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"use strict";
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const NativeModule = require("module");
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const path = require("path");
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/** @typedef {import("webpack").Compilation} Compilation */
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/** @typedef {import("webpack").Module} Module */
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/** @typedef {import("webpack").LoaderContext<any>} LoaderContext */
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/**
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* @returns {boolean}
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*/
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function trueFn() {
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return true;
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}
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/**
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* @param {Compilation} compilation
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* @param {string | number} id
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* @returns {null | Module}
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*/
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function findModuleById(compilation, id) {
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const {
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modules,
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chunkGraph
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} = compilation;
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for (const module of modules) {
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const moduleId = typeof chunkGraph !== "undefined" ? chunkGraph.getModuleId(module) : module.id;
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if (moduleId === id) {
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return module;
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}
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}
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return null;
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}
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/**
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* @param {LoaderContext} loaderContext
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* @param {string | Buffer} code
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* @param {string} filename
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* @returns {object}
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*/
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function evalModuleCode(loaderContext, code, filename) {
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// @ts-ignore
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const module = new NativeModule(filename, loaderContext); // @ts-ignore
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module.paths = NativeModule._nodeModulePaths(loaderContext.context); // eslint-disable-line no-underscore-dangle
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module.filename = filename; // @ts-ignore
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module._compile(code, filename); // eslint-disable-line no-underscore-dangle
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return module.exports;
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}
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/**
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* @param {string} a
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* @param {string} b
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* @returns {0 | 1 | -1}
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*/
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function compareIds(a, b) {
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if (typeof a !== typeof b) {
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return typeof a < typeof b ? -1 : 1;
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}
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if (a < b) {
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return -1;
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}
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if (a > b) {
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return 1;
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}
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return 0;
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}
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/**
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* @param {Module} a
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* @param {Module} b
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* @returns {0 | 1 | -1}
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*/
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function compareModulesByIdentifier(a, b) {
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return compareIds(a.identifier(), b.identifier());
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}
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const MODULE_TYPE = "css/mini-extract";
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const AUTO_PUBLIC_PATH = "__mini_css_extract_plugin_public_path_auto__";
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const ABSOLUTE_PUBLIC_PATH = "webpack:///mini-css-extract-plugin/";
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const BASE_URI = "webpack://";
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const SINGLE_DOT_PATH_SEGMENT = "__mini_css_extract_plugin_single_dot_path_segment__";
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/**
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* @param {string} str
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* @returns {boolean}
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*/
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function isAbsolutePath(str) {
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return path.posix.isAbsolute(str) || path.win32.isAbsolute(str);
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}
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const RELATIVE_PATH_REGEXP = /^\.\.?[/\\]/;
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/**
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* @param {string} str
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* @returns {boolean}
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*/
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function isRelativePath(str) {
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return RELATIVE_PATH_REGEXP.test(str);
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} // TODO simplify for the next major release
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/**
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* @param {LoaderContext} loaderContext
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* @param {string} request
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* @returns {string}
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*/
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function stringifyRequest(loaderContext, request) {
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if (typeof loaderContext.utils !== "undefined" && typeof loaderContext.utils.contextify === "function") {
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return JSON.stringify(loaderContext.utils.contextify(loaderContext.context || loaderContext.rootContext, request));
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}
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const splitted = request.split("!");
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const {
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context
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} = loaderContext;
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return JSON.stringify(splitted.map(part => {
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// First, separate singlePath from query, because the query might contain paths again
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const splittedPart = part.match(/^(.*?)(\?.*)/);
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const query = splittedPart ? splittedPart[2] : "";
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let singlePath = splittedPart ? splittedPart[1] : part;
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if (isAbsolutePath(singlePath) && context) {
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singlePath = path.relative(context, singlePath);
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if (isAbsolutePath(singlePath)) {
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// If singlePath still matches an absolute path, singlePath was on a different drive than context.
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// In this case, we leave the path platform-specific without replacing any separators.
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// @see https://github.com/webpack/loader-utils/pull/14
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return singlePath + query;
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}
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if (isRelativePath(singlePath) === false) {
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// Ensure that the relative path starts at least with ./ otherwise it would be a request into the modules directory (like node_modules).
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singlePath = `./${singlePath}`;
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}
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}
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return singlePath.replace(/\\/g, "/") + query;
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}).join("!"));
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}
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/**
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* @param {string} filename
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* @param {string} outputPath
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* @param {boolean} enforceRelative
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* @returns {string}
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*/
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function getUndoPath(filename, outputPath, enforceRelative) {
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let depth = -1;
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let append = ""; // eslint-disable-next-line no-param-reassign
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outputPath = outputPath.replace(/[\\/]$/, "");
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for (const part of filename.split(/[/\\]+/)) {
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if (part === "..") {
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if (depth > -1) {
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// eslint-disable-next-line no-plusplus
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depth--;
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} else {
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const i = outputPath.lastIndexOf("/");
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const j = outputPath.lastIndexOf("\\");
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const pos = i < 0 ? j : j < 0 ? i : Math.max(i, j);
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if (pos < 0) {
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return `${outputPath}/`;
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}
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append = `${outputPath.slice(pos + 1)}/${append}`; // eslint-disable-next-line no-param-reassign
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outputPath = outputPath.slice(0, pos);
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}
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} else if (part !== ".") {
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// eslint-disable-next-line no-plusplus
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depth++;
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}
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}
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return depth > 0 ? `${"../".repeat(depth)}${append}` : enforceRelative ? `./${append}` : append;
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}
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module.exports = {
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trueFn,
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findModuleById,
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evalModuleCode,
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compareModulesByIdentifier,
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MODULE_TYPE,
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AUTO_PUBLIC_PATH,
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ABSOLUTE_PUBLIC_PATH,
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BASE_URI,
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SINGLE_DOT_PATH_SEGMENT,
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stringifyRequest,
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getUndoPath
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};
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