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app_vue/node_modules/webpack/lib/WarnCaseSensitiveModulesPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const CaseSensitiveModulesWarning = require("./CaseSensitiveModulesWarning");
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./Module")} Module */
+/** @typedef {import("./NormalModule")} NormalModule */
+
+const PLUGIN_NAME = "WarnCaseSensitiveModulesPlugin";
+
+class WarnCaseSensitiveModulesPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(PLUGIN_NAME, compilation => {
+			compilation.hooks.seal.tap(PLUGIN_NAME, () => {
+				/** @type {Map<string, Map<string, Module>>} */
+				const moduleWithoutCase = new Map();
+				for (const module of compilation.modules) {
+					const identifier = module.identifier();
+
+					// Ignore `data:` URLs, because it's not a real path
+					if (
+						/** @type {NormalModule} */
+						(module).resourceResolveData !== undefined &&
+						/** @type {NormalModule} */
+						(module).resourceResolveData.encodedContent !== undefined
+					) {
+						continue;
+					}
+
+					const lowerIdentifier = identifier.toLowerCase();
+					let map = moduleWithoutCase.get(lowerIdentifier);
+					if (map === undefined) {
+						map = new Map();
+						moduleWithoutCase.set(lowerIdentifier, map);
+					}
+					map.set(identifier, module);
+				}
+				for (const pair of moduleWithoutCase) {
+					const map = pair[1];
+					if (map.size > 1) {
+						compilation.warnings.push(
+							new CaseSensitiveModulesWarning(
+								map.values(),
+								compilation.moduleGraph
+							)
+						);
+					}
+				}
+			});
+		});
+	}
+}
+
+module.exports = WarnCaseSensitiveModulesPlugin;