| 1 | 'use strict'; |
| 2 | |
| 3 | const Git = require('nodegit'); |
| 4 | const rimraf = require('rimraf'); |
| 5 | const ncp = require('ncp').ncp; |
| 6 | const {existsSync} = require('fs'); |
| 7 | const exec = require('child_process').exec; |
| 8 | const {join} = require('path'); |
| 9 | |
| 10 | const reactUrl = 'https://github.com/facebook/react.git'; |
| 11 | |
| 12 | function cleanDir() { |
| 13 | return new Promise(_resolve => rimraf('remote-repo', _resolve)); |
| 14 | } |
| 15 | |
| 16 | function executeCommand(command) { |
| 17 | return new Promise(_resolve => |
| 18 | exec(command, error => { |
| 19 | if (!error) { |
| 20 | _resolve(); |
| 21 | } else { |
| 22 | console.error(error); |
| 23 | process.exit(1); |
| 24 | } |
| 25 | }) |
| 26 | ); |
| 27 | } |
| 28 | |
| 29 | function asyncCopyTo(from, to) { |
| 30 | return new Promise(_resolve => { |
| 31 | ncp(from, to, error => { |
| 32 | if (error) { |
| 33 | console.error(error); |
| 34 | process.exit(1); |
| 35 | } |
| 36 | _resolve(); |
| 37 | }); |
| 38 | }); |
| 39 | } |
| 40 | |
| 41 | function getDefaultReactPath() { |
| 42 | return join(__dirname, 'remote-repo'); |
| 43 | } |
| 44 | |
| 45 | async function buildBenchmark(reactPath = getDefaultReactPath(), benchmark) { |
| 46 | // get the build.js from the benchmark directory and execute it |
| 47 | await require(join(__dirname, 'benchmarks', benchmark, 'build.js'))( |
| 48 | reactPath, |
| 49 | asyncCopyTo |
| 50 | ); |
| 51 | } |
| 52 | |
| 53 | async function getMergeBaseFromLocalGitRepo(localRepo) { |
| 54 | const repo = await Git.Repository.open(localRepo); |
| 55 | return await Git.Merge.base( |
| 56 | repo, |
| 57 | await repo.getHeadCommit(), |
| 58 | await repo.getBranchCommit('main') |
| 59 | ); |
| 60 | } |
| 61 | |
| 62 | async function buildBenchmarkBundlesFromGitRepo( |
| 63 | commitId, |
| 64 | skipBuild, |
| 65 | url = reactUrl, |
| 66 | clean |
| 67 | ) { |
| 68 | let repo; |
| 69 | const remoteRepoDir = getDefaultReactPath(); |
| 70 | |
| 71 | if (!skipBuild) { |
| 72 | if (clean) { |
| 73 | //clear remote-repo folder |
| 74 | await cleanDir(remoteRepoDir); |
| 75 | } |
| 76 | // check if remote-repo directory already exists |
| 77 | if (existsSync(remoteRepoDir)) { |
| 78 | repo = await Git.Repository.open(remoteRepoDir); |
| 79 | // fetch all the latest remote changes |
| 80 | await repo.fetchAll(); |
| 81 | } else { |
| 82 | // if not, clone the repo to remote-repo folder |
| 83 | repo = await Git.Clone(url, remoteRepoDir); |
| 84 | } |
| 85 | let commit = await repo.getBranchCommit('main'); |
| 86 | // reset hard to this remote head |
| 87 | await Git.Reset.reset(repo, commit, Git.Reset.TYPE.HARD); |
| 88 | // then we checkout the latest main head |
| 89 | await repo.checkoutBranch('main'); |
| 90 | // make sure we pull in the latest changes |
| 91 | await repo.mergeBranches('main', 'origin/main'); |
| 92 | // then we check if we need to move the HEAD to the merge base |
| 93 | if (commitId && commitId !== 'main') { |
| 94 | // as the commitId probably came from our local repo |
| 95 | // we use it to lookup the right commit in our remote repo |
| 96 | commit = await Git.Commit.lookup(repo, commitId); |
| 97 | // then we checkout the merge base |
| 98 | await Git.Checkout.tree(repo, commit); |
| 99 | } |
| 100 | await buildReactBundles(); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | async function buildReactBundles(reactPath = getDefaultReactPath(), skipBuild) { |
| 105 | if (!skipBuild) { |
| 106 | await executeCommand( |
| 107 | `cd ${reactPath} && yarn && yarn build react/index,react-dom/index --type=UMD_PROD` |
| 108 | ); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | // if run directly via CLI |
| 113 | if (require.main === module) { |
| 114 | buildBenchmarkBundlesFromGitRepo(); |
| 115 | } |
| 116 | |
| 117 | module.exports = { |
| 118 | buildReactBundles, |
| 119 | buildBenchmark, |
| 120 | buildBenchmarkBundlesFromGitRepo, |
| 121 | getMergeBaseFromLocalGitRepo, |
| 122 | }; |