vite/playground/optimize-deps/index.html

<h1>Optimize Deps</h1>

<h2>CommonJS w/ named imports (react)</h2>
<div class="cjs"></div>
<h2>CommonJS w/ named imports (phoenix)</h2>
<div class="cjs-phoenix">fail</div>
<h2>CommonJS w/ default export (clipboard)</h2>
<div class="cjs-clipboard">fail</div>

<script type="module" src="./cjs.js"></script>

<h2>CommonJS dynamic import default + named (react)</h2>
<div class="cjs-dynamic"></div>
<h2>CommonJS dynamic import named (phoenix)</h2>
<div class="cjs-dynamic-phoenix"></div>
<h2>CommonJS dynamic import default (clipboard)</h2>
<div class="cjs-dynamic-clipboard"></div>
<h2>CommonJS dynamic import default (dep-cjs-compiled-from-esm)</h2>
<div class="cjs-dynamic-dep-cjs-compiled-from-esm"></div>
<h2>CommonJS dynamic import default (dep-cjs-compiled-from-cjs)</h2>
<div class="cjs-dynamic-dep-cjs-compiled-from-cjs"></div>

<script type="module" src="./cjs-dynamic.js"></script>

<h2>Dedupe (dep in linked & optimized package)</h2>
<div class="dedupe"></div>
<script type="module" src="./dedupe.js"></script>

<h2>CommonJS w/ browser field mapping (axios)</h2>
<div>This should show pong: <span class="cjs-browser-field"></span></div>

<h2>CommonJS w/ bare id browser field mapping</h2>
<div>This should show pong: <span class="cjs-browser-field-bare"></span></div>

<h2>Detecting linked src package and optimizing its deps (lodash-es)</h2>
<div>This should show fooBarBaz: <span class="deps-linked"></span></div>

<h2>Optimizing force included dep even when it's linked</h2>
<div class="force-include"></div>

<h2>Dep with CSS</h2>
<div class="dep-linked-include">This should be red</div>

<h2>CJS Dep with CSS</h2>
<div class="cjs-with-assets">This should be blue</div>

<h2>import * as ...</h2>
<div class="import-star"></div>

<h2>Import from dependency with process.env.NODE_ENV</h2>
<div class="node-env"></div>

<h2>Import from dependency with .notjs files</h2>
<div class="not-js"></div>

<h2>
  Import from dependency which uses relative path which needs to be resolved by
  main field
</h2>
<div class="relative-to-main"></div>

<h2>Import from dependency with dynamic import</h2>
<div class="dep-with-dynamic-import"></div>

<h2>Import from dependency with optional peer dep</h2>
<div class="dep-with-optional-peer-dep"></div>

<h2>Import from dependency with optional peer dep submodule</h2>
<div class="dep-with-optional-peer-dep-submodule"></div>

<h2>Externalize known non-js files in optimize included dep</h2>
<div class="externalize-known-non-js"></div>

<h2>Vue & Vuex</h2>
<div class="vue"></div>

<h2>Dep with changes from esbuild plugin</h2>
<div>This should show a greeting: <span class="esbuild-plugin"></span></div>

<h2>Dep from hidden dir</h2>
<div>This should show hello!: <span class="hidden-dir"></span></div>

<h2>Nested include</h2>
<div>Module path: <span class="nested-include"></span></div>

<h2>Alias with colon</h2>
<div>URL: <span class="url"></span></div>

<h2>Alias using absolute path</h2>
<div class="alias-using-absolute-path"></div>

<h2>Reused variable names</h2>
<div>This should show reused: <span class="reused-variable-names"></span></div>

<h2>Flatten Id</h2>
<div class="clonedeep-slash"></div>
<div class="clonedeep-dot"></div>

<h2>Non Optimized Module isn't duplicated</h2>
<div class="non-optimized-module-is-not-duplicated"></div>

<h2>Pre bundle css require</h2>
<div class="css-require">css require</div>

<h2>Pre bundle css modules require</h2>
<div class="css-module-require">This should be red</div>

<h2>Long file name import works</h2>
<div class="long-file-name"></div>

<script type="module" src="./long-file-name.js"></script>

<h2>Import the CommonJS external package that omits the js suffix</h2>
<div class="external-package-js"></div>
<div class="external-package-scss-js"></div>
<div class="external-package-astro-js"></div>
<div class="external-package-tsx-js"></div>
<script type="module">
  import {
    astro,
    okay,
    scss,
    tsx,
  } from '@vitejs/test-dep-cjs-external-package-omit-js-suffix'

  text('.external-package-js', okay())
  text('.external-package-scss-js', scss())
  text('.external-package-astro-js', astro())
  text('.external-package-tsx-js', tsx())
</script>

<script>
  function text(el, text) {
    document.querySelector(el).textContent = text
  }
</script>

<script type="module">
  // test dep detection in globbed files
  const globbed = import.meta.glob('./glob/*.js', { eager: true })

  import cjsBrowserFieldBare from '@vitejs/test-dep-cjs-browser-field-bare'
  text('.cjs-browser-field-bare', cjsBrowserFieldBare)

  import { camelCase } from '@vitejs/test-dep-linked'
  text('.deps-linked', camelCase('foo-bar-baz'))

  import { msg, VueSFC } from '@vitejs/test-dep-linked-include'
  text('.force-include', msg)
  text('.externalize-known-non-js', VueSFC.render())

  import * as linked from '@vitejs/test-dep-linked-include'
  const keys = Object.keys(linked)
  if (keys.length) {
    text('.import-star', `[success] ${keys.join(', ')}`)
  }

  import '@vitejs/test-dep-cjs-with-assets'
  import '@vitejs/test-dep-css-require'
  import cssModuleRequire from '@vitejs/test-dep-css-require/mod.cjs'
  document
    .querySelector('.css-module-require')
    .classList.add(cssModuleRequire.cssModuleRequire)

  import { env } from '@vitejs/test-dep-node-env'
  text('.node-env', env)

  import { notjsValue } from '@vitejs/test-dep-not-js'
  text('.not-js', notjsValue)

  import foo from '@vitejs/test-dep-relative-to-main/entry'
  text('.relative-to-main', foo)

  import { lazyFoo } from '@vitejs/test-dep-with-dynamic-import'
  lazyFoo().then((foo) => {
    text('.dep-with-dynamic-import', foo)
  })

  import { createApp } from 'vue'
  import { createStore } from 'vuex'
  if (typeof createApp === 'function' && typeof createStore === 'function') {
    text('.vue', '[success]')
  }

  import { hello } from '@vitejs/test-dep-esbuild-plugin-transform'
  text('.esbuild-plugin', hello())

  import { greeting } from './.hidden-dir/foo.js'
  text('.hidden-dir', greeting)

  import { nestedInclude } from '@vitejs/test-nested-exclude'
  text('.nested-include', nestedInclude)

  import { parse } from 'node:url'
  text('.url', parse('https://vite.dev').hostname)

  import('./dynamic-use-dep-alias-using-absolute-path.js').then((mod) =>
    text('.alias-using-absolute-path', mod.default),
  )

  import './index.astro'
  import './generics.vue'

  // All these imports should end up resolved to the same URL (same ?v= injected on them)
  import { add as addFromDirectAbsolutePath } from '/node_modules/@vitejs/test-dep-non-optimized/index.js'
  import { add as addFromDirectRelativePath } from './node_modules/@vitejs/test-dep-non-optimized/index.js'
  import { get as getFromBareImport } from '@vitejs/test-dep-non-optimized'

  addFromDirectAbsolutePath('from-absolute-path')
  addFromDirectRelativePath('from-relative-path')
  text(
    '.non-optimized-module-is-not-duplicated',
    getFromBareImport().join(', '),
  )
</script>

<script type="module">
  const reusedName = 1
</script>
<script type="module">
  const reusedName = 'reused'
  text('.reused-variable-names', reusedName)
</script>

<script type="module">
  import {
    callItself,
    callPeerDep,
  } from '@vitejs/test-dep-with-optional-peer-dep'
  text('.dep-with-optional-peer-dep', callItself())
  // expect error as optional peer dep not installed
  callPeerDep()
</script>

<script type="module">
  import {
    callItself,
    callPeerDepSubmodule,
  } from '@vitejs/test-dep-with-optional-peer-dep-submodule'
  text('.dep-with-optional-peer-dep-submodule', callItself())
  // expect error as optional peer dep not installed
  callPeerDepSubmodule()
</script>

<script type="module">
  // should error on builtin modules (named import)
  // no node: protocol intentionally
  import { Buffer } from 'buffer'
  // named imports error immediately
</script>

<script type="module">
  // should error on builtin modules (default import)
  // no node: protocol intentionally
  import cp from 'child_process'
  // must access property to error
  if (import.meta.env.DEV) {
    cp.execSync()
  }
</script>

<script type="module">
  // should error on builtin modules from dep
  import { read } from '@vitejs/test-dep-with-builtin-module-esm'
  if (import.meta.env.DEV) {
    read()
  }
</script>

<script type="module">
  // should error on builtin modules from dep
  import { read } from '@vitejs/test-dep-with-builtin-module-cjs'
  if (import.meta.env.DEV) {
    read()
  }
</script>

<script type="module">
  import cloneDeepSlash from 'lodash/cloneDeep'
  import cloneDeepDot from 'lodash.clonedeep'

  text('.clonedeep-slash', cloneDeepSlash({ name: 'clonedeep-slash' }).name)
  text('.clonedeep-dot', cloneDeepDot({ name: 'clonedeep-dot' }).name)
</script>

<script type="module">
  import loadSub from '@vitejs/test-dep-incompatible'
  loadSub() // should show an error that tells there's an incompatible dep
</script>

<h2>Pre-bundle transitive dependency 'some-package.pdf'</h2>
<div>prebundled: <span class="dep-with-asset-ext-prebundled">???</span></div>
<div>
  no dual package: <span class="dep-with-asset-ext-no-dual-package">???</span>
</div>
<script type="module">
  import original, { isPreBundled } from '@vitejs/test-dep-with-asset-ext1.pdf'
  import reexport from '@vitejs/test-dep-with-asset-ext2.pdf'
  text('.dep-with-asset-ext-prebundled', isPreBundled)
  text('.dep-with-asset-ext-no-dual-package', original === reexport)
</script>

<script type="module">
  // manually check Firefox doesn't show warning in devtool debugger
  import * as sub from '@vitejs/test-dep-source-map-no-sources/sub.js'
  import * as all from '@vitejs/test-dep-source-map-no-sources/all.js'
</script>