build-plugin-moment-locales/lib/vitePluginMoment.js

build-scripts plugins for moment locale

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var magic_string_1 = require("magic-string");
var pluginutils_1 = require("@rollup/pluginutils");
// moment.js 中存在 require('./locale/' + name)，在 webpack 模式下会全量打包
// vite 模式自动注入 `import 'moment/dist/locale/zh-cn'` 语言包
exports.default = (function (locales) {
    var entryJs = '';
    var include = ['**/*.ts', '**/*.js', '**/*.tsx', '**/*.jsx'];
    var exclude = 'node_modules/**';
    var momentRegex = /moment[/\\]locale[/\\]/;
    var filter = (0, pluginutils_1.createFilter)(include, exclude);
    var momentLocales = typeof locales === 'string' ? [locales] : locales;
    var needSourcemap = false;
    return {
        name: 'vite-plugin-moment',
        enforce: 'pre',
        configResolved: function (resolvedConfig) {
            needSourcemap = !!resolvedConfig.build.sourcemap;
        },
        resolveId: function (id) {
            // use esm
            if (id.match(momentRegex)) {
                // moment/dist/locale/ 目录下为 esm 产物
                return id.replace(momentRegex, 'moment/dist/locale/');
            }
        },
        transform: function (code, id) {
            if (!entryJs && filter(id)) {
                entryJs = id;
            }
            if (entryJs === id && momentLocales) {
                // 自动注入 locale，如果源码中已依赖，构建打包后会被去重
                var s_1;
                var str = function () { return s_1 || (s_1 = new magic_string_1.default(code)); };
                str().prependLeft(0, momentLocales.map(function (locale) { return "import 'moment/dist/locale/" + locale + "';"; }).join('\n') + "\n");
                return {
                    map: needSourcemap ? str().generateMap({ hires: true }) : null,
                    code: str().toString(),
                };
            }
            return null;
        }
    };
});
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