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Bootstrap with Yarn when available (facebook#2673)
* Bootstrap with Yarn if we can * Update test scripts * Check OS and npm concurrency ability * Windows support * Update bootstrap.js * Install yarn before bootstrap
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| 'use strict'; | ||
|
|
||
| const { execSync, spawn } = require('child_process'); | ||
| const { resolve } = require('path'); | ||
| const { existsSync } = require('fs'); | ||
| const { platform } = require('os'); | ||
|
|
||
| function shouldUseYarn() { | ||
| try { | ||
| execSync('yarnpkg --version', { stdio: 'ignore' }); | ||
| return true; | ||
| } catch (e) { | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| function shouldUseNpmConcurrently() { | ||
| try { | ||
| const versionString = execSync('npm --version'); | ||
| const m = /^(\d+)[.]/.exec(versionString); | ||
| // NPM >= 5 support concurrent installs | ||
| return Number(m[1]) >= 5; | ||
| } catch (e) { | ||
| return false; | ||
| } | ||
| } | ||
|
|
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| const yarn = shouldUseYarn(); | ||
| const windows = platform() === 'win32'; | ||
| const lerna = resolve( | ||
| __dirname, | ||
| 'node_modules', | ||
| '.bin', | ||
| windows ? 'lerna.cmd' : 'lerna' | ||
| ); | ||
|
|
||
| if (!existsSync(lerna)) { | ||
| if (yarn) { | ||
| console.log('Cannot find lerna. Please run `yarn --check-files`.'); | ||
| } else { | ||
| console.log( | ||
| 'Cannot find lerna. Please remove `node_modules` and run `npm install`.' | ||
| ); | ||
| } | ||
| process.exit(1); | ||
| } | ||
|
|
||
| let child; | ||
| if (yarn) { | ||
| // Yarn does not support concurrency | ||
| child = spawn(lerna, ['bootstrap', '--npm-client=yarn', '--concurrency=1'], { | ||
| stdio: 'inherit', | ||
| }); | ||
| } else { | ||
| let args = ['bootstrap']; | ||
| if ( | ||
| // The Windows filesystem does not handle concurrency well | ||
| windows || | ||
| // Only newer npm versions support concurrency | ||
| !shouldUseNpmConcurrently() | ||
| ) { | ||
| args.push('--concurrency=1'); | ||
| } | ||
| child = spawn(lerna, args, { stdio: 'inherit' }); | ||
| } | ||
|
|
||
| child.on('close', code => process.exit(code)); |
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