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1.64 kB
| import { nextTestSetup } from 'e2e-utils' | |
| describe('app-dir build size', () => { | |
| const { next, isNextStart, skipped } = nextTestSetup({ | |
| files: __dirname, | |
| skipDeployment: true, | |
| }) | |
| if (skipped) { | |
| return | |
| } | |
| if (isNextStart) { | |
| it('should have correct size in build output', async () => { | |
| const regex = /(\S+)\s+([\d.]+\s\w+)\s+([\d.]+\s\w+)/g | |
| const matches = [...next.cliOutput.matchAll(regex)] | |
| const result = matches.reduce((acc, match) => { | |
| const [, path, size, firstLoadJS] = match | |
| acc[path] = { size, firstLoadJS } | |
| return acc | |
| }, {}) | |
| // convert pretty-bytes format into bytes so we can compare units | |
| const sizeToBytes = (size: string) => { | |
| const units = ['B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'] | |
| const [value, unit] = size.split(' ', 2) | |
| const exp = units.indexOf(unit) | |
| return parseFloat(value) * Math.pow(1024, exp) | |
| } | |
| const index = result['/'] | |
| const foo = result['/foo'] | |
| expect(sizeToBytes(index.firstLoadJS)).toBeGreaterThan(0) | |
| expect(sizeToBytes(foo.firstLoadJS)).toBeGreaterThan(0) | |
| // index route is a page with no client JS, so it could serve zero additional JS (size = 0) | |
| // foo route is a page with client references, so it has to serve additional non-shared JS | |
| expect(sizeToBytes(foo.size)).toBeGreaterThan(0) | |
| // foo has a client component, so it should be larger than index | |
| expect(sizeToBytes(foo.size)).toBeGreaterThan(sizeToBytes(index.size)) | |
| }) | |
| } else { | |
| it('should skip next dev for now', () => {}) | |
| return | |
| } | |
| }) | |