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54 lines
1.4 KiB
54 lines
1.4 KiB
3 years ago
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const CaseSensitiveModulesWarning = require("./CaseSensitiveModulesWarning");
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./Module")} Module */
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class WarnCaseSensitiveModulesPlugin {
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap(
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"WarnCaseSensitiveModulesPlugin",
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compilation => {
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compilation.hooks.seal.tap("WarnCaseSensitiveModulesPlugin", () => {
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/** @type {Map<string, Map<string, Module>>} */
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const moduleWithoutCase = new Map();
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for (const module of compilation.modules) {
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const identifier = module.identifier();
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const lowerIdentifier = identifier.toLowerCase();
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let map = moduleWithoutCase.get(lowerIdentifier);
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if (map === undefined) {
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map = new Map();
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moduleWithoutCase.set(lowerIdentifier, map);
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}
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map.set(identifier, module);
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}
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for (const pair of moduleWithoutCase) {
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const map = pair[1];
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if (map.size > 1) {
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compilation.warnings.push(
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new CaseSensitiveModulesWarning(
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map.values(),
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compilation.moduleGraph
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)
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);
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}
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}
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});
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}
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);
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}
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}
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module.exports = WarnCaseSensitiveModulesPlugin;
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