module.exports = async function getPerfRegressions() {
const browser = await require('puppeteer').launch({ headless: true });
let page = await browser.newPage();
// get perf numbers for existing code
await page.goto(urlForMaster);
const perfAveragesNow = await runAvailableScenarios(page, componentCount, iterations);
logger.info(perfAveragesNow);
// get perf numbers for new code
await page.goto(urlFromDeployJob);
const perfAveragesNew = await runAvailableScenarios(page, componentCount, iterations);
logger.info(perfAveragesNew);
// Clean up
await browser.close();
// Output comment blob and status as task variables
const comment = createBlobFromResults({ now: perfAveragesNow, new: perfAveragesNew });
// TODO: determine status according to perf numbers
const status = 'success';
logger.info(`Perf evaluation status: ${status}`);
logger.info(`Writing comment to file:\n${comment}`);
// Write results to file
require('fs').writeFileSync(require('path').join('apps/perf-test/dist', 'perfCounts.txt'), comment);
console.log(`echo ##vso[task.setvariable variable=PerfCommentFilePath;]apps/perf-test/dist/perfCounts.txt`);
console.log(`echo ##vso[task.setvariable variable=PerfCommentStatus;]${status}`);
};
/**
* If a file has `@codepen` at the beginning, transform it into a codepen-friendly .Codepen.txt
* output to the project's lib folder.
*
* @param {string} file - Path to the file
* @param {Function} callback - Callback when done
*/
function transformFile(file, callback) {
if (readFileStart(file, 150).includes('@codepen')) {
let fileSource = fs.readFileSync(file).toString();
const exampleName = path.basename(file, '.tsx');
// extract the name of the component (relies on component/examples/examplefile.tsx structure)
const transformResult = transformer(fileSource);
const dirPath = path.dirname(path.dirname(file)).replace(/((\b)src(\b))(?!.*\1)/, '$2lib/codepen$3');
if (!fs.existsSync(dirPath)) {
fs.mkdirpSync(dirPath);
}
const outPath = path.join(dirPath, exampleName + '.Codepen.txt');
logger.info('Writing codepen: ' + outPath);
fs.writeFileSync(outPath, transformResult);
}
callback();
}
? () => {
logger.info(`${name} task is disabled in package.json`);
}