393 lines
13 KiB
TypeScript
393 lines
13 KiB
TypeScript
import fs from 'node:fs'
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import path from 'node:path'
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import type { Plugin } from 'vite'
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import MagicString from 'magic-string'
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export enum Languages {
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bg = 'bg',
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cs = 'cs',
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de = 'de',
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en_gb = 'en-gb',
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es = 'es',
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fr = 'fr',
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hu = 'hu',
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id = 'id',
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it = 'it',
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ja = 'ja',
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ko = 'ko',
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nl = 'nl',
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pl = 'pl',
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ps = 'ps',
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pt_br = 'pt-br',
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ru = 'ru',
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tr = 'tr',
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uk = 'uk',
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zh_hans = 'zh-hans',
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zh_hant = 'zh-hant',
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}
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export interface Options {
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locale: Languages;
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localeData?: Record<string, any>
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}
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/**
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* 在vite中dev模式下会使用esbuild对node_modules进行预编译，导致找不到映射表中的filepath，
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* 需要在预编译之前进行替换
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* @param options 替换语言包
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* @returns
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*/
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export function esbuildPluginMonacoEditorNls(options: Options): any {
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options = Object.assign({ locale: Languages.en_gb }, options)
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const CURRENT_LOCALE_DATA = getLocalizeMapping(options.locale, options.localeData)
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return {
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name: 'esbuild-plugin-monaco-editor-nls',
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setup(build) {
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build.onLoad({ filter: /esm[/\\]vs[/\\]nls\.js/ }, async () => {
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return {
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contents: getLocalizeCode(CURRENT_LOCALE_DATA),
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loader: 'js',
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}
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})
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build.onLoad(
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{ filter: /monaco-editor[/\\]esm[/\\]vs.+\.js/ },
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async args => {
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return {
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contents: transformLocalizeFuncCode(
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args.path,
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CURRENT_LOCALE_DATA,
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),
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loader: 'js',
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}
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},
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)
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},
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}
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}
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/**
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* 使用了monaco-editor-nls的语言映射包，把原始localize(data, message)的方法，替换成了localize(path, data, defaultMessage)
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* vite build 模式下，使用rollup处理
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* @param options 替换语言包
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* @returns
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*/
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export default function (options: Options): Plugin {
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options = Object.assign({ locale: Languages.en_gb }, options)
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const CURRENT_LOCALE_DATA = getLocalizeMapping(options.locale, options.localeData)
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return {
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name: 'rollup-plugin-monaco-editor-nls',
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enforce: 'pre',
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load(filepath) {
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if (/esm[/\\]vs[/\\]nls\.js/.test(filepath)) {
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return getLocalizeCode(CURRENT_LOCALE_DATA)
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}
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},
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transform(code, filepath) {
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if (
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/monaco-editor[/\\]esm[/\\]vs.+\.js/.test(filepath)
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&& !/esm[/\\]vs[/\\].*nls\.js/.test(filepath)
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) {
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const re = /monaco-editor[/\\]esm[/\\](.+)(?=\.js)/
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if (re.exec(filepath) && code.includes('localize(')) {
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let path = RegExp.$1
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path = path.replaceAll('\\', '/')
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code = code.replace(/localize\(/g, `localize('${path}', `)
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return {
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code: code,
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/** 使用magic-string 生成 source map */
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map: new MagicString(code).generateMap({
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includeContent: true,
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hires: true,
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source: filepath,
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}),
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}
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}
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}
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},
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}
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}
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/**
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* 替换调用方法接口参数，替换成相应语言包语言
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* @param filepath 路径
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* @param CURRENT_LOCALE_DATA 替换规则
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* @returns
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*/
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function transformLocalizeFuncCode(
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filepath: string,
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_CURRENT_LOCALE_DATA: string,
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) {
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let code = fs.readFileSync(filepath, 'utf8')
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const re = /monaco-editor[/\\]esm[/\\](.+)(?=\.js)/
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if (re.exec(filepath)) {
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let path = RegExp.$1
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path = path.replaceAll('\\', '/')
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code = code.replace(/localize\(/g, `localize('${path}', `)
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}
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return code
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}
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/**
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* 获取语言包
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* @param locale 语言
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* @param localeData
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* @returns
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*/
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function getLocalizeMapping(locale: Languages, localeData: Record<string, any> | undefined = undefined) {
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if (localeData) return JSON.stringify(localeData)
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const locale_data_path = path.join(__dirname, `./locale/${locale}.json`)
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return fs.readFileSync(locale_data_path) as unknown as string
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}
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/**
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* 替换代码
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* @param CURRENT_LOCALE_DATA 语言包
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* @returns
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*/
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function getLocalizeCode(CURRENT_LOCALE_DATA: string) {
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return `
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/* ---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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let isPseudo = typeof document !== 'undefined' && document.location && document.location.hash.indexOf('pseudo=true') >= 0
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const DEFAULT_TAG = 'i-default'
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function _format(message, args) {
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let result
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if (args.length === 0) {
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result = message
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} else {
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result = message.replace(/{(\\d+)}/g, (match, rest) => {
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const index = rest[0]
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const arg = args[index]
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let result = match
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if (typeof arg === 'string') {
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result = arg
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} else if (typeof arg === 'number' || typeof arg === 'boolean' || arg === void 0 || arg === null) {
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result = String(arg)
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}
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return result
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})
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}
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if (isPseudo) {
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// FF3B and FF3D is the Unicode zenkaku representation for [ and ]
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result = \`\uFF3B\${result.replace(/[aeiou]/g, '$&$&')}\uFF3D\`
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}
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return result
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}
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function findLanguageForModule(config, name) {
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let result = config[name]
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if (result) {
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return result
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}
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result = config['*']
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if (result) {
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return result
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}
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return null
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}
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function endWithSlash(path) {
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if (path.charAt(path.length - 1) === '/') {
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return path
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}
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return \`\${path}/\`
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}
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async function getMessagesFromTranslationsService(translationServiceUrl, language, name) {
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const url = \`\${endWithSlash(translationServiceUrl) + endWithSlash(language)}vscode/\${endWithSlash(name)}\`
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const res = await fetch(url)
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if (res.ok) {
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const messages = await res.json()
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return messages
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}
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throw new Error(\`\${res.status} - \${res.statusText}\`)
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}
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function createScopedLocalize(scope) {
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return function(idx, defaultValue) {
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const restArgs = Array.prototype.slice.call(arguments, 2)
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return _format(scope[idx], restArgs)
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}
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}
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function createScopedLocalize2(scope) {
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return (idx, defaultValue, ...args) => ({
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value: _format(scope[idx], args),
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original: _format(defaultValue, args),
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})
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}
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// export function localize(data, message, ...args) {
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// return _format(message, args);
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// }
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// ------------------------invoke----------------------------------------
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export function localize(path, data, defaultMessage, ...args) {
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var key = typeof data === 'object' ? data.key : data;
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var data = ${CURRENT_LOCALE_DATA} || {};
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var message = (data[path] || data?.contents?.[path] || {})[key];
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if (!message) {
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message = defaultMessage;
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}
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return _format(message, args);
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}
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// ------------------------invoke----------------------------------------
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/**
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* @skipMangle
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*/
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export function localize2(data, message, ...args) {
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const original = _format(message, args)
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return {
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value: original,
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original,
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}
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}
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/**
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* @skipMangle
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*/
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export function getConfiguredDefaultLocale(_) {
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// This returns undefined because this implementation isn't used and is overwritten by the loader
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// when loaded.
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return undefined
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}
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/**
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* @skipMangle
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*/
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export function setPseudoTranslation(value) {
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isPseudo = value
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}
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/**
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* Invoked in a built product at run-time
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* @skipMangle
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*/
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export function create(key, data) {
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var _a
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return {
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localize: createScopedLocalize(data[key]),
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localize2: createScopedLocalize2(data[key]),
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getConfiguredDefaultLocale: (_a = data.getConfiguredDefaultLocale) !== null && _a !== void 0 ? _a : _ => undefined,
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}
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}
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/**
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* Invoked by the loader at run-time
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* @skipMangle
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*/
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export function load(name, req, load, config) {
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var _a
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const pluginConfig = (_a = config['vs/nls']) !== null && _a !== void 0 ? _a : {}
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if (!name || name.length === 0) {
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// TODO: We need to give back the mangled names here
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return load({
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localize: localize,
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localize2: localize2,
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getConfiguredDefaultLocale: () => {
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var _a
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return (_a = pluginConfig.availableLanguages) === null || _a === void 0 ? void 0 : _a['*']
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},
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})
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}
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const language = pluginConfig.availableLanguages ? findLanguageForModule(pluginConfig.availableLanguages, name) : null
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const useDefaultLanguage = language === null || language === DEFAULT_TAG
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let suffix = '.nls'
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if (!useDefaultLanguage) {
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suffix = \`\${suffix}.\${language}\`
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}
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const messagesLoaded = messages => {
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if (Array.isArray(messages)) {
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messages.localize = createScopedLocalize(messages)
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messages.localize2 = createScopedLocalize2(messages)
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} else {
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messages.localize = createScopedLocalize(messages[name])
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messages.localize2 = createScopedLocalize2(messages[name])
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}
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messages.getConfiguredDefaultLocale = () => {
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var _a
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return (_a = pluginConfig.availableLanguages) === null || _a === void 0 ? void 0 : _a['*']
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}
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load(messages)
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}
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if (typeof pluginConfig.loadBundle === 'function') {
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pluginConfig.loadBundle(name, language, (err, messages) => {
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// We have an error. Load the English default strings to not fail
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if (err) {
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req([\`\${name}.nls\`], messagesLoaded)
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} else {
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messagesLoaded(messages)
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}
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})
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} else if (pluginConfig.translationServiceUrl && !useDefaultLanguage) {
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(async() => {
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var _a
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try {
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const messages = await getMessagesFromTranslationsService(pluginConfig.translationServiceUrl, language, name)
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return messagesLoaded(messages)
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} catch (err) {
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// Language is already as generic as it gets, so require default messages
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if (!language.includes('-')) {
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console.error(err)
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return req([\`\${name}.nls\`], messagesLoaded)
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}
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try {
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// Since there is a dash, the language configured is a specific sub-language of the same generic language.
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// Since we were unable to load the specific language, try to load the generic language. Ex. we failed to find a
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// Swiss German (de-CH), so try to load the generic German (de) messages instead.
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const genericLanguage = language.split('-')[0]
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const messages = await getMessagesFromTranslationsService(pluginConfig.translationServiceUrl, genericLanguage, name);
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// We got some messages, so we configure the configuration to use the generic language for this session.
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(_a = pluginConfig.availableLanguages) !== null && _a !== void 0 ? _a : pluginConfig.availableLanguages = {}
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pluginConfig.availableLanguages['*'] = genericLanguage
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return messagesLoaded(messages)
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} catch (err) {
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console.error(err)
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return req([\`\${name}.nls\`], messagesLoaded)
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}
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}
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})()
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} else {
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req([name + suffix], messagesLoaded, err => {
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if (suffix === '.nls') {
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console.error('Failed trying to load default language strings', err)
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return
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}
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console.error(\`Failed to load message bundle for language \${language}. Falling back to the default language:\`, err)
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req([\`\${name}.nls\`], messagesLoaded)
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})
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}
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}
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`
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}
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