76e4911e8b
Prior to this commit, translations were built in the serializers. This could not work as a single translation can be used for different source messages having different placeholder content. Serializers do not try to replace the placeholders any more. Placeholders are replaced by the translation bundle and the source message is given as parameter so that the content of the placeholders is taken into account. Also XMB ids are now independent of the expression which is replaced by a placeholder in the extracted file. fixes #12512
77 lines
2.2 KiB
JavaScript
77 lines
2.2 KiB
JavaScript
#!/usr/bin/env node
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/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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/**
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* Extract i18n messages from source code
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*/
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// Must be imported first, because angular2 decorators throws on load.
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import 'reflect-metadata';
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import * as compiler from '@angular/compiler';
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import * as tsc from '@angular/tsc-wrapped';
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import * as path from 'path';
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import * as ts from 'typescript';
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import {Extractor} from './extractor';
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function extract(
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ngOptions: tsc.AngularCompilerOptions, cliOptions: tsc.I18nExtractionCliOptions,
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program: ts.Program, host: ts.CompilerHost) {
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const resourceLoader: compiler.ResourceLoader = {
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get: (s: string) => {
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if (!host.fileExists(s)) {
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// TODO: We should really have a test for error cases like this!
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throw new Error(`Compilation failed. Resource file not found: ${s}`);
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}
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return Promise.resolve(host.readFile(s));
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}
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};
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const extractor =
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Extractor.create(ngOptions, cliOptions.i18nFormat, program, host, resourceLoader);
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const bundlePromise: Promise<compiler.MessageBundle> = extractor.extract();
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return (bundlePromise).then(messageBundle => {
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let ext: string;
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let serializer: compiler.Serializer;
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const format = (cliOptions.i18nFormat || 'xlf').toLowerCase();
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switch (format) {
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case 'xmb':
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ext = 'xmb';
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serializer = new compiler.Xmb();
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break;
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case 'xliff':
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case 'xlf':
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default:
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ext = 'xlf';
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serializer = new compiler.Xliff();
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break;
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}
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const dstPath = path.join(ngOptions.genDir, `messages.${ext}`);
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host.writeFile(dstPath, messageBundle.write(serializer), false);
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});
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}
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// Entry point
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if (require.main === module) {
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const args = require('minimist')(process.argv.slice(2));
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const project = args.p || args.project || '.';
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const cliOptions = new tsc.I18nExtractionCliOptions(args);
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tsc.main(project, cliOptions, extract)
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.then((exitCode: any) => process.exit(exitCode))
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.catch((e: any) => {
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console.error(e.stack);
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console.error('Extraction failed');
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process.exit(1);
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});
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}
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