chushihua

node_modules/webpack/lib/CaseSensitiveModulesWarning.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+module.exports = class CaseSensitiveModulesWarning extends WebpackError {
+	constructor(modules) {
+		super();
+
+		this.name = "CaseSensitiveModulesWarning";
+		const sortedModules = this._sort(modules);
+		const modulesList = this._moduleMessages(sortedModules);
+		this.message = "There are multiple modules with names that only differ in casing.\n" +
+			"This can lead to unexpected behavior when compiling on a filesystem with other case-semantic.\n" +
+			`Use equal casing. Compare these module identifiers:\n${modulesList}`;
+		this.origin = this.module = sortedModules[0];
+
+		Error.captureStackTrace(this, this.constructor);
+	}
+
+	_sort(modules) {
+		return modules.slice().sort((a, b) => {
+			a = a.identifier();
+			b = b.identifier();
+			/* istanbul ignore next */
+			if(a < b) return -1;
+			/* istanbul ignore next */
+			if(a > b) return 1;
+			/* istanbul ignore next */
+			return 0;
+		});
+	}
+
+	_moduleMessages(modules) {
+		return modules.map((m) => {
+			let message = `* ${m.identifier()}`;
+			const validReasons = m.reasons.filter((reason) => reason.module);
+
+			if(validReasons.length > 0) {
+				message += `\n    Used by ${validReasons.length} module(s), i. e.`;
+				message += `\n    ${validReasons[0].module.identifier()}`;
+			}
+			return message;
+		}).join("\n");
+	}
+};