43 lines
1.5 KiB
JavaScript
43 lines
1.5 KiB
JavaScript
/**
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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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* @fileoverview Read a tsconfig.json file intended to produce production mode
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* JS output, modify it to produce esm5 output instead, and write the result
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* to disk.
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*/
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const fs = require('fs');
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const path = require('path');
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function main(args) {
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if (args.length < 3) {
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console.error('Usage: $0 input.tsconfig.json output.tsconfig.json newRoot binDir');
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}
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[input, output, newRoot, binDir] = args;
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const data = JSON.parse(fs.readFileSync(input, {encoding: 'utf-8'}));
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data['compilerOptions']['target'] = 'es5';
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data['bazelOptions']['es5Mode'] = true;
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// Enable tsickle for decorator downleveling only
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data['bazelOptions']['tsickle'] = true;
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data['bazelOptions']['tsickleExternsPath'] = '';
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data['compilerOptions']['outDir'] = path.join(data['compilerOptions']['outDir'], newRoot);
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if (data['angularCompilerOptions']) {
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// Don't enable tsickle's closure conversions
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data['angularCompilerOptions']['annotateForClosureCompiler'] = false;
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data['angularCompilerOptions']['expectedOut'] =
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data['angularCompilerOptions']['expectedOut'].map(
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f => f.replace(/\.closure\.js$/, '.js').replace(binDir, path.join(binDir, newRoot)));
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}
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fs.writeFileSync(output, JSON.stringify(data));
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}
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if (require.main === module) {
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process.exitCode = main(process.argv.slice(2));
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}
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