55 lines
2.0 KiB
JavaScript
55 lines
2.0 KiB
JavaScript
/**
|
|
* @license
|
|
* Copyright Google Inc. All Rights Reserved.
|
|
*
|
|
* Use of this source code is governed by an MIT-style license that can be
|
|
* found in the LICENSE file at https://angular.io/license
|
|
*/
|
|
|
|
/**
|
|
* @fileoverview Read a tsconfig.json file intended to produce production mode
|
|
* JS output, modify it to produce esm5 output instead, and write the result
|
|
* to disk.
|
|
*/
|
|
const fs = require('fs');
|
|
const path = require('path');
|
|
|
|
function main(args) {
|
|
if (args.length < 3) {
|
|
console.error('Usage: $0 input.tsconfig.json output.tsconfig.json newRoot binDir');
|
|
}
|
|
|
|
const [input, output, newRoot, binDir] = args;
|
|
const data = JSON.parse(fs.readFileSync(input, {encoding: 'utf-8'}));
|
|
const {compilerOptions, bazelOptions} = data;
|
|
|
|
// Relative path to the execroot that refers to the directory for the ES5 output files.
|
|
const newOutputBase = path.posix.join(binDir, newRoot);
|
|
|
|
// Update the compiler options to produce ES5 output. Also ensure that the new ES5 output
|
|
// directory is used.
|
|
compilerOptions['target'] = 'es5';
|
|
compilerOptions['outDir'] = path.posix.join(compilerOptions['outDir'], newRoot);
|
|
|
|
bazelOptions['es5Mode'] = true;
|
|
bazelOptions['tsickleExternsPath'] =
|
|
bazelOptions['tsickleExternsPath'].replace(binDir, newOutputBase);
|
|
|
|
if (data['angularCompilerOptions']) {
|
|
const {angularCompilerOptions} = data;
|
|
// Don't enable tsickle's closure conversions
|
|
angularCompilerOptions['annotateForClosureCompiler'] = false;
|
|
// Note: It's important that the "expectedOut" is only modified in a way that still
|
|
// keeps posix normalized paths. Otherwise this could cause unexpected behavior because
|
|
// ngc-wrapped is expecting POSIX paths and the TypeScript Bazel rules by default only pass
|
|
// POSIX paths as well.
|
|
angularCompilerOptions['expectedOut'] = angularCompilerOptions['expectedOut'].map(
|
|
f => f.replace(/\.mjs$/, '.js').replace(binDir, newOutputBase));
|
|
}
|
|
fs.writeFileSync(output, JSON.stringify(data));
|
|
}
|
|
|
|
if (require.main === module) {
|
|
process.exitCode = main(process.argv.slice(2));
|
|
}
|