Nuxt/test/bundle.test.ts
renovate[bot] 3b0b924946
chore(deps): update dependency destr to v2 (main) (#21536)
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: Daniel Roe <daniel@roe.dev>
2023-06-12 20:43:13 +01:00

111 lines
3.3 KiB
TypeScript

import { fileURLToPath } from 'node:url'
import fsp from 'node:fs/promises'
import { afterAll, beforeAll, describe, expect, it } from 'vitest'
import { execaCommand } from 'execa'
import { globby } from 'globby'
import { join } from 'pathe'
describe.skipIf(process.env.SKIP_BUNDLE_SIZE === 'true' || process.env.ECOSYSTEM_CI)('minimal nuxt application', () => {
const rootDir = fileURLToPath(new URL('./fixtures/minimal', import.meta.url))
const publicDir = join(rootDir, '.output/public')
const serverDir = join(rootDir, '.output/server')
const stats = {
client: { totalBytes: 0, files: [] as string[] },
server: { totalBytes: 0, files: [] as string[] }
}
beforeAll(async () => {
await execaCommand(`pnpm nuxi build ${rootDir}`)
}, 120 * 1000)
afterAll(async () => {
await fsp.writeFile(join(rootDir, '.output/test-stats.json'), JSON.stringify(stats, null, 2))
})
it('default client bundle size', async () => {
stats.client = await analyzeSizes('**/*.js', publicDir)
expect(roundToKilobytes(stats.client.totalBytes)).toMatchInlineSnapshot('"97.2k"')
expect(stats.client.files.map(f => f.replace(/\..*\.js/, '.js'))).toMatchInlineSnapshot(`
[
"_nuxt/entry.js",
]
`)
})
it('default server bundle size', async () => {
stats.server = await analyzeSizes(['**/*.mjs', '!node_modules'], serverDir)
expect(roundToKilobytes(stats.server.totalBytes)).toMatchInlineSnapshot('"61.9k"')
const modules = await analyzeSizes('node_modules/**/*', serverDir)
expect(roundToKilobytes(modules.totalBytes)).toMatchInlineSnapshot('"2295k"')
const packages = modules.files
.filter(m => m.endsWith('package.json'))
.map(m => m.replace('/package.json', '').replace('node_modules/', ''))
.sort()
expect(packages).toMatchInlineSnapshot(`
[
"@babel/parser",
"@unhead/dom",
"@unhead/shared",
"@unhead/ssr",
"@vue/compiler-core",
"@vue/compiler-dom",
"@vue/compiler-ssr",
"@vue/reactivity",
"@vue/runtime-core",
"@vue/runtime-dom",
"@vue/server-renderer",
"@vue/shared",
"cookie-es",
"defu",
"destr",
"devalue",
"estree-walker",
"h3",
"h3/node_modules/destr",
"hookable",
"iron-webcrypto",
"klona",
"node-fetch-native",
"ofetch",
"ofetch/node_modules/destr",
"ohash",
"pathe",
"radix3",
"scule",
"source-map-js",
"ufo",
"uncrypto",
"unctx",
"unenv",
"unhead",
"unstorage",
"unstorage/node_modules/destr",
"vue",
"vue-bundle-renderer",
]
`)
})
})
async function analyzeSizes (pattern: string | string[], rootDir: string) {
const files: string[] = await globby(pattern, { cwd: rootDir })
let totalBytes = 0
for (const file of files) {
const path = join(rootDir, file)
const isSymlink = (await fsp.lstat(path).catch(() => null))?.isSymbolicLink()
if (!isSymlink) {
const bytes = Buffer.byteLength(await fsp.readFile(path))
totalBytes += bytes
}
}
return { files, totalBytes }
}
function roundToKilobytes (bytes: number) {
return (bytes / 1024).toFixed(bytes > (100 * 1024) ? 0 : 1) + 'k'
}