build.js — react Source File

Source Code

'use strict';

const Git = require('nodegit');
const rimraf = require('rimraf');
const ncp = require('ncp').ncp;
const {existsSync} = require('fs');
const exec = require('child_process').exec;
const {join} = require('path');

const reactUrl = 'https://github.com/facebook/react.git';

function cleanDir() {
  return new Promise(_resolve => rimraf('remote-repo', _resolve));
}

function executeCommand(command) {
  return new Promise(_resolve =>
    exec(command, error => {
      if (!error) {
        _resolve();
      } else {
        console.error(error);
        process.exit(1);
      }
    })
  );
}

function asyncCopyTo(from, to) {
  return new Promise(_resolve => {
    ncp(from, to, error => {
      if (error) {
        console.error(error);
        process.exit(1);
      }
      _resolve();
    });
  });
}

function getDefaultReactPath() {
  return join(__dirname, 'remote-repo');
}

async function buildBenchmark(reactPath = getDefaultReactPath(), benchmark) {
  // get the build.js from the benchmark directory and execute it
  await require(join(__dirname, 'benchmarks', benchmark, 'build.js'))(
    reactPath,
    asyncCopyTo
  );
}

async function getMergeBaseFromLocalGitRepo(localRepo) {
  const repo = await Git.Repository.open(localRepo);
  return await Git.Merge.base(
    repo,
    await repo.getHeadCommit(),
    await repo.getBranchCommit('main')
  );
}
// ... (63 more lines)