mirror of https://github.com/nuxt/nuxt.git
115 lines
3.8 KiB
TypeScript
115 lines
3.8 KiB
TypeScript
import { fileURLToPath } from 'node:url'
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import fsp from 'node:fs/promises'
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import { beforeAll, describe, expect, it } from 'vitest'
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import { execaCommand } from 'execa'
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import { globby } from 'globby'
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import { join } from 'pathe'
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describe.skipIf(process.env.SKIP_BUNDLE_SIZE === 'true' || process.env.ECOSYSTEM_CI)('minimal nuxt application', () => {
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const rootDir = fileURLToPath(new URL('./fixtures/minimal', import.meta.url))
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beforeAll(async () => {
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await Promise.all([
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execaCommand(`pnpm nuxi build ${rootDir}`, { env: { EXTERNAL_VUE: 'false' } }),
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execaCommand(`pnpm nuxi build ${rootDir}`, { env: { EXTERNAL_VUE: 'true' } }),
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])
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}, 120 * 1000)
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// Identical behaviour between inline/external vue options as this should only affect the server build
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for (const outputDir of ['.output', '.output-inline']) {
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it('default client bundle size', async () => {
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const clientStats = await analyzeSizes('**/*.js', join(rootDir, outputDir, 'public'))
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expect.soft(roundToKilobytes(clientStats.totalBytes)).toMatchInlineSnapshot(`"105k"`)
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expect(clientStats.files.map(f => f.replace(/\..*\.js/, '.js'))).toMatchInlineSnapshot(`
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[
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"_nuxt/entry.js",
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]
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`)
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})
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}
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it('default server bundle size', async () => {
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const serverDir = join(rootDir, '.output/server')
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const serverStats = await analyzeSizes(['**/*.mjs', '!node_modules'], serverDir)
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expect.soft(roundToKilobytes(serverStats.totalBytes)).toMatchInlineSnapshot(`"208k"`)
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const modules = await analyzeSizes('node_modules/**/*', serverDir)
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expect.soft(roundToKilobytes(modules.totalBytes)).toMatchInlineSnapshot(`"1338k"`)
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const packages = modules.files
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.filter(m => m.endsWith('package.json'))
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.map(m => m.replace('/package.json', '').replace('node_modules/', ''))
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.sort()
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expect(packages).toMatchInlineSnapshot(`
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[
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"@babel/parser",
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"@unhead/dom",
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"@unhead/shared",
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"@unhead/ssr",
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"@vue/compiler-core",
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"@vue/compiler-dom",
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"@vue/compiler-ssr",
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"@vue/reactivity",
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"@vue/runtime-core",
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"@vue/runtime-dom",
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"@vue/server-renderer",
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"@vue/shared",
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"devalue",
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"entities",
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"estree-walker",
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"hookable",
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"source-map-js",
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"ufo",
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"unhead",
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"vue",
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"vue-bundle-renderer",
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]
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`)
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})
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it('default server bundle size (inlined vue modules)', async () => {
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const serverDir = join(rootDir, '.output-inline/server')
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const serverStats = await analyzeSizes(['**/*.mjs', '!node_modules'], serverDir)
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expect.soft(roundToKilobytes(serverStats.totalBytes)).toMatchInlineSnapshot(`"527k"`)
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const modules = await analyzeSizes('node_modules/**/*', serverDir)
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expect.soft(roundToKilobytes(modules.totalBytes)).toMatchInlineSnapshot(`"76.1k"`)
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const packages = modules.files
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.filter(m => m.endsWith('package.json'))
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.map(m => m.replace('/package.json', '').replace('node_modules/', ''))
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.sort()
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expect(packages).toMatchInlineSnapshot(`
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[
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"@unhead/dom",
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"@unhead/shared",
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"@unhead/ssr",
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"devalue",
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"hookable",
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"unhead",
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]
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`)
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})
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})
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async function analyzeSizes (pattern: string | string[], rootDir: string) {
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const files: string[] = await globby(pattern, { cwd: rootDir })
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let totalBytes = 0
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for (const file of files) {
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const path = join(rootDir, file)
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const isSymlink = (await fsp.lstat(path).catch(() => null))?.isSymbolicLink()
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if (!isSymlink) {
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const bytes = Buffer.byteLength(await fsp.readFile(path))
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totalBytes += bytes
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}
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}
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return { files, totalBytes }
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}
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function roundToKilobytes (bytes: number) {
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return (bytes / 1024).toFixed(bytes > (100 * 1024) ? 0 : 1) + 'k'
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}
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