import path from 'path' import fs from 'fs-extra' import stripAnsi from 'strip-ansi' import resolveFrom from 'resolve-from' import { NextInstance, createNext } from 'e2e-utils' type File = { filename: string content: string } const appDirFiles: File[] = [ { filename: 'app/page.js', content: ` export default function Page() { return

hello world

} `, }, { filename: 'app/layout.js', content: ` export default function Layout({ children }) { return ( {children} ) } `, }, ] const pagesFiles: File[] = [ { filename: 'pages/another.js', content: ` export default function Page() { return (

another page

) } `, }, ] let next: NextInstance describe('build-spinners', () => { beforeAll(async () => { next = await createNext({ skipStart: true, files: {}, dependencies: { 'node-pty': '0.10.1', }, packageJson: { pnpm: { onlyBuiltDependencies: ['node-pty'], }, }, }) }) afterAll(() => next.destroy()) beforeEach(async () => { await fs.remove(path.join(next.testDir, 'pages')) await fs.remove(path.join(next.testDir, 'app')) }) it.each([ { name: 'app dir - basic', files: appDirFiles }, { name: 'app dir - (compile workers)', files: [ ...appDirFiles, { filename: 'next.config.js', content: ` module.exports = { experimental: { webpackBuildWorker: true, } } `, }, ], }, { name: 'page dir', files: [ ...pagesFiles, { filename: 'next.config.js', content: ` module.exports = { experimental: { webpackBuildWorker: true, } } `, }, ], }, { name: 'page dir (compile workers)', files: pagesFiles }, { name: 'app and pages', files: [...appDirFiles, ...pagesFiles] }, ])('should handle build spinners correctly $name', async ({ files }) => { for (const { filename, content } of files) { await next.patchFile(filename, content) } const appDir = next.testDir const ptyPath = resolveFrom(appDir, 'node-pty') const pty = require(ptyPath) const output = [] const ptyProcess = pty.spawn('pnpm', ['next', 'build'], { name: 'xterm-color', cols: 80, rows: 30, cwd: appDir, env: process.env, }) ptyProcess.onData(function (data) { stripAnsi(data) .split('\n') .forEach((line) => output.push(line)) process.stdout.write(data) }) await new Promise((resolve, reject) => { ptyProcess.onExit(({ exitCode, signal }) => { if (exitCode) { return reject(`failed with code ${exitCode}`) } resolve() }) }) let compiledIdx = -1 let optimizedBuildIdx = -1 let collectingPageDataIdx = -1 let generatingStaticIdx = -1 let finalizingOptimization = -1 // order matters so we check output from end to start for (let i = output.length - 1; i--; i >= 0) { const line = output[i] if (compiledIdx === -1 && line.includes('Compiled successfully')) { compiledIdx = i } if ( optimizedBuildIdx === -1 && line.includes('Creating an optimized production build') ) { optimizedBuildIdx = i } if ( collectingPageDataIdx === -1 && line.includes('Collecting page data') ) { collectingPageDataIdx = i } if ( generatingStaticIdx === -1 && line.includes('Generating static pages') ) { generatingStaticIdx = i } if ( finalizingOptimization === -1 && line.includes('Finalizing page optimization') ) { finalizingOptimization = i } } expect(compiledIdx).not.toBe(-1) expect(optimizedBuildIdx).not.toBe(-1) expect(collectingPageDataIdx).not.toBe(-1) expect(generatingStaticIdx).not.toBe(-1) expect(finalizingOptimization).not.toBe(-1) expect(optimizedBuildIdx).toBeLessThan(compiledIdx) expect(compiledIdx).toBeLessThan(collectingPageDataIdx) expect(collectingPageDataIdx).toBeLessThan(generatingStaticIdx) expect(generatingStaticIdx).toBeLessThan(finalizingOptimization) }) })