mirror of https://github.com/webpack/webpack.git
47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
module.exports = class CaseSensitiveModulesWarning extends Error {
|
|
constructor(modules) {
|
|
super();
|
|
Error.captureStackTrace(this, CaseSensitiveModulesWarning);
|
|
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];
|
|
}
|
|
|
|
_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");
|
|
}
|
|
};
|