69 lines
2.4 KiB
TypeScript
69 lines
2.4 KiB
TypeScript
/**
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* @license
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* Copyright Google LLC 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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import chalk from 'chalk';
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import {readFileSync, writeFileSync} from 'fs';
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import {compareFileSizeData} from './file_size_compare';
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import {FileSizeData} from './file_size_data';
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import {SizeTracker} from './size_tracker';
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if (require.main === module) {
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const [filePath, sourceMapPath, goldenPath, maxPercentageDiffArg, maxSizeDiffArg, writeGoldenArg, requiredCompileMode] =
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process.argv.slice(2);
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const status = main(
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require.resolve(filePath), require.resolve(sourceMapPath), require.resolve(goldenPath),
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writeGoldenArg === 'true', parseInt(maxPercentageDiffArg), parseInt(maxSizeDiffArg),
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requiredCompileMode);
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process.exit(status ? 0 : 1);
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}
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export function main(
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filePath: string, sourceMapPath: string, goldenSizeMapPath: string, writeGolden: boolean,
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maxPercentageDiff: number, maxByteDiff: number, requiresIvy: string): boolean {
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const {sizeResult} = new SizeTracker(filePath, sourceMapPath);
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const ivyEnabled = process.env['angular_ivy_enabled'] == 'True';
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if (requiresIvy && ivyEnabled) {
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console.error(chalk.red(
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`Expected the size-tracking tool to be run with: ` +
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`--config=${requiresIvy ? 'ivy' : 'view-engine'}`));
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return false;
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}
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if (writeGolden) {
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writeFileSync(goldenSizeMapPath, JSON.stringify(sizeResult, null, 2));
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console.error(chalk.green(`Updated golden size data in ${goldenSizeMapPath}`));
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return true;
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}
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const expectedSizeData = JSON.parse(readFileSync(goldenSizeMapPath, 'utf8')) as FileSizeData;
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const differences =
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compareFileSizeData(sizeResult, expectedSizeData, {maxByteDiff, maxPercentageDiff});
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if (!differences.length) {
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return true;
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}
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console.error(
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`Computed file size data does not match golden size data. ` +
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`The following differences were found:\n`);
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differences.forEach(({filePath, message}) => {
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const failurePrefix = filePath ? `"${filePath}": ` : '';
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console.error(chalk.red(` ${failurePrefix}${message}`));
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});
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const bazelTargetName = process.env['TEST_TARGET'];
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console.error(`\nThe golden file can be updated with the following command:`);
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console.error(` yarn bazel run --config=${ivyEnabled ? 'ivy' : 'view-engine'} ${
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bazelTargetName}.accept`);
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return false;
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}
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