mirror of https://github.com/webpack/webpack.git
54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
/*
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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 WebpackError = require("./WebpackError");
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module.exports = class CaseSensitiveModulesWarning extends WebpackError {
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constructor(modules) {
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super();
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this.name = "CaseSensitiveModulesWarning";
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const sortedModules = this._sort(modules);
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const modulesList = this._moduleMessages(sortedModules);
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this.message = `There are multiple modules with names that only differ in casing.
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This can lead to unexpected behavior when compiling on a filesystem with other case-semantic.
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Use equal casing. Compare these module identifiers:
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${modulesList}`;
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this.origin = this.module = sortedModules[0];
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Error.captureStackTrace(this, this.constructor);
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}
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_sort(modules) {
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return modules.slice().sort((a, b) => {
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a = a.identifier();
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b = b.identifier();
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/* istanbul ignore next */
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if (a < b) return -1;
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/* istanbul ignore next */
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if (a > b) return 1;
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/* istanbul ignore next */
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return 0;
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});
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}
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_moduleMessages(modules) {
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return modules
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.map(m => {
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let message = `* ${m.identifier()}`;
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const validReasons = m.reasons.filter(reason => reason.module);
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if (validReasons.length > 0) {
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message += `\n Used by ${validReasons.length} module(s), i. e.`;
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message += `\n ${validReasons[0].module.identifier()}`;
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}
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return message;
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})
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.join("\n");
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}
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};
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