download_devtools_regression_build.js — react Source File

Source Code

#!/usr/bin/env node

'use strict';

const {exec} = require('child-process-promise');
const chalk = require('chalk');
const {join} = require('path');
const semver = require('semver');
const yargs = require('yargs');
const fs = require('fs');

const REGRESSION_FOLDER = 'build-regression';

const ROOT_PATH = join(__dirname, '..', '..');

const buildPath = join(ROOT_PATH, `build`, 'oss-experimental');
const regressionBuildPath = join(ROOT_PATH, REGRESSION_FOLDER);

const argv = yargs(process.argv.slice(2)).argv;

const version = process.argv[2];
const shouldReplaceBuild = !!argv.replaceBuild;

async function downloadRegressionBuild() {
  const reactVersion = semver.coerce(version).version;
  const installPackages = ['react-dom', 'react', 'react-test-renderer'];
  if (semver.gte(reactVersion, '16.3.0')) {
    installPackages.push('react-is');
  }

  console.log(chalk.bold.white(`Downloading React v${version}\n`));

  // Make build directory for temporary modules we're going to download
  // from NPM
  console.log(
    chalk.white(
      `Make Build directory at ${chalk.underline.blue(regressionBuildPath)}\n`
    )
  );
  await exec(`mkdir ${regressionBuildPath}`);

  // Install all necessary React packages that have the same version
  const downloadPackagesStr = installPackages.reduce(
    (str, name) => `${str} ${name}@${version}`,
    ''
  );
  await exec(
    `npm install --prefix ${REGRESSION_FOLDER} ${downloadPackagesStr}`
  );

  // If we shouldn't replace the build folder, we can stop here now
  // before we modify anything
  if (!shouldReplaceBuild) {
    return;
  }

  // Remove all the packages that we downloaded in the original build folder
  // so we can move the modules from the regression build over
  const removePackagesStr = installPackages.reduce(
    (str, name) => `${str} ${join(buildPath, name)}`,
// ... (93 more lines)