angular-cn/tools/symbol-extractor/cli.ts

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/**
* @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
*/
import * as fs from 'fs';
import {SymbolExtractor} from './symbol_extractor';
const runfiles = require(process.env['BAZEL_NODE_RUNFILES_HELPER'] as string);
if (require.main === module) {
const args = process.argv.slice(2) as[string, string];
process.exitCode = main(args) ? 0 : 1;
}
/**
* CLI main method.
*
* ```
* cli javascriptFilePath.js goldenFilePath.json
* ```
*/
function main(argv: [string, string, string] | [string, string]): boolean {
const javascriptFilePath = runfiles.resolveWorkspaceRelative(argv[0]);
const goldenFilePath = runfiles.resolveWorkspaceRelative(argv[1]);
const doUpdate = argv[2] == '--accept';
const javascriptContent = fs.readFileSync(javascriptFilePath).toString();
const goldenContent = fs.readFileSync(goldenFilePath).toString();
const symbolExtractor = new SymbolExtractor(javascriptFilePath, javascriptContent);
let passed: boolean = false;
if (doUpdate) {
fs.writeFileSync(goldenFilePath, JSON.stringify(symbolExtractor.actual, undefined, 2));
console.error('Updated gold file:', goldenFilePath);
passed = true;
} else {
passed = symbolExtractor.compareAndPrintError(goldenFilePath, goldenContent);
if (!passed) {
const ivyEnabled = process.env['angular_ivy_enabled'] == 'True';
console.error(`TEST FAILED!`);
console.error(` To update the golden file run: `);
console.error(
` yarn bazel run --config=${ivyEnabled ? 'ivy' : 'view-engine'} ${process.env['TEST_TARGET']}.accept`);
}
}
return passed;
}