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const fs = require('fs-extra');
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const path = require('path');
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const { crc32 } = require('crc');
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const esbuild = require('esbuild');
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console.log('Scanning Translation in src folder...');
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// 扫描语言
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const lngs = ['zh-CN', 'en-US'];
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module.exports = {
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input: [
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'web/**/*.{ts,tsx}',
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'shared/**/*.{ts,tsx}',
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// 'src/shared/i18n/__internal__/__scan__.ts',
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// Use ! to filter out files or directories
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'!src/**/*.spec.{js,jsx,ts,tsx}',
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'!web/e2e/**/*.test.{ts,tsx}',
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// '!src/shared/i18n/**',
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'!**/node_modules/**',
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],
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output: './', //输出目录
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options: {
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debug: false,
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sort: true,
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func: false,
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trans: false,
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lngs,
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defaultLng: 'zh-CN',
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resource: {
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loadPath: './src/shared/i18n/langs/{{lng}}/{{ns}}.json', //输入路径
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savePath: './src/shared/i18n/langs/{{lng}}/{{ns}}.json', //输出路径
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jsonIndent: 2,
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lineEnding: '\n',
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endWithEmptyTrans: true,
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},
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removeUnusedKeys: true,
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nsSeparator: false, // namespace separator
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keySeparator: false, // key separator
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interpolation: {
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prefix: '{{',
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suffix: '}}',
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},
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},
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transform: async function customTransform(file, enc, done) {
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//自己通过该函数来加工key或value
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'use strict';
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const parser = this.parser;
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const content = await fs.readFile(file.path, enc);
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parser.parseFuncFromString(
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content,
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{ list: ['lang', 't'] },
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(key, options) => {
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options.defaultValue = key;
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const hashKey = `k${crc32(key).toString(16)}`;
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parser.set(hashKey, options);
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}
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);
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// 如果是 tsx 文件，则使用esbuild转换成jsx后再输入
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if (path.extname(file.path) === '.tsx') {
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const { code } = await esbuild.transform(content, {
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jsx: 'preserve',
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loader: 'tsx',
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});
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parser.parseTransFromString(
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code,
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{ component: 'Trans', i18nKey: 'i18nKey' },
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(key, options) => {
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/**
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* 处理scanner与react-i18next算法不一致导致的问题
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* Reference: https://github.com/i18next/i18next-scanner/issues/125
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*/
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let sentence = options.defaultValue;
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// remove <Tag> surrounding interopations to match i18next simpilied result
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// @see https://github.com/i18next/react-i18next/blob/master/CHANGELOG.md#800
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sentence = sentence.replace(/<(\d+)>{{(\w+)}}<\/\1>/g, '{{$2}}');
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sentence = sentence.replace(/\s+/g, ' ');
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options.defaultValue = sentence;
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const hashKey = `k${crc32(key || sentence).toString(16)}`;
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parser.set(hashKey, options);
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}
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);
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}
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done();
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},
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};
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