@angular/build
Version:
Official build system for Angular
55 lines (54 loc) • 2.14 kB
JavaScript
;
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.dev/license
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.createAngularLocaleDataPlugin = createAngularLocaleDataPlugin;
/**
* The base module location used to search for locale specific data.
*/
const LOCALE_DATA_BASE_MODULE = '@angular/common/locales/global';
/**
* Creates a Vite plugin that resolves Angular locale data files from `@angular/common`.
*
* @returns A Vite plugin.
*/
function createAngularLocaleDataPlugin() {
return {
name: 'angular-locale-data',
enforce: 'pre',
async resolveId(source) {
if (!source.startsWith('angular:locale/data:')) {
return;
}
// Extract the locale from the path
const originalLocale = source.split(':', 3)[2];
// Remove any private subtags since these will never match
let partialLocale = originalLocale.replace(/-x(-[a-zA-Z0-9]{1,8})+$/, '');
let exact = true;
while (partialLocale) {
const potentialPath = `${LOCALE_DATA_BASE_MODULE}/${partialLocale}`;
const result = await this.resolve(potentialPath);
if (result) {
if (!exact) {
this.warn(`Locale data for '${originalLocale}' cannot be found. Using locale data for '${partialLocale}'.`);
}
return result;
}
// Remove the last subtag and try again with a less specific locale
const parts = partialLocale.split('-');
partialLocale = parts.slice(0, -1).join('-');
exact = false;
// The locales "en" and "en-US" are considered exact to retain existing behavior
if (originalLocale === 'en-US' && partialLocale === 'en') {
exact = true;
}
}
return null;
},
};
}