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

55 lines
1.7 KiB
TypeScript

/**
* @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 * as path from 'path';
import {SymbolExtractor} from './symbol_extractor';
// These keys are arbitrary and local to this test.
const update_var = 'UPDATE_GOLDEN';
const update_val = 1;
if (require.main === module) {
const doUpdate = process.env[update_var] == update_val;
const args = process.argv.slice(2) as[string, string];
process.exitCode = main(args, doUpdate) ? 0 : 1;
}
/**
* CLI main method.
*
* ```
* cli javascriptFilePath.js goldenFilePath.json
* ```
*/
function main(argv: [string, string], doUpdate: boolean): boolean {
const javascriptFilePath = require.resolve(argv[0]);
const goldenFilePath = require.resolve(argv[1]);
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) {
console.error(`TEST FAILED!`);
console.error(` To update the golden file run: `);
console.error(
` bazel run --define ${update_var}=${update_val} ${process.env['BAZEL_TARGET']}`);
}
}
return passed;
}