feat: refactor vite styles plugin

packages/shared/src/index.ts

@@ -9,6 +9,13 @@ export interface Options {
   autoImport?: ImportPluginOptions,
   styles?: true | 'none' | 'sass' | {
     configFile: string,
+    /**
+     * Enable this flag when using Vite >= 5.4.3.
+     *
+     * @see https://github.com/vitejs/vite/pull/17909
+     * @default false
+     */
+    useViteFileImport?: boolean,
   },
 }
 

packages/vite-plugin/src/stylesPlugin.ts

@@ -1,34 +1,30 @@
 import path from 'upath'
 import { resolveVuetifyBase, normalizePath, isObject } from '@vuetify/loader-shared'
-
 import type { Plugin } from 'vite'
 import type { Options } from '@vuetify/loader-shared'
-
-function isSubdir (root: string, test: string) {
-  const relative = path.relative(root, test)
-  return relative && !relative.startsWith('..') && !path.isAbsolute(relative)
-}
-
-const PLUGIN_VIRTUAL_PREFIX = "virtual:"
-const PLUGIN_VIRTUAL_NAME = "plugin-vuetify"
-const VIRTUAL_MODULE_ID = `${PLUGIN_VIRTUAL_PREFIX}${PLUGIN_VIRTUAL_NAME}`
+import { pathToFileURL } from 'node:url'
 
 export function stylesPlugin (options: Options): Plugin {
   const vuetifyBase = resolveVuetifyBase()
 
-  let configFile: string
+  let configFile: string | undefined
   const tempFiles = new Map<string, string>()
+  const isNone = options.styles === 'none'
+  const sassVariables = isNone ? false : isObject(options.styles)
+  let useFileImport = false
 
   return {
     name: 'vuetify:styles',
     enforce: 'pre',
     configResolved (config) {
       if (isObject(options.styles)) {
+        useFileImport = options.styles.useViteFileImport === true
         if (path.isAbsolute(options.styles.configFile)) {
-          configFile = options.styles.configFile
+          configFile = path.resolve(options.styles.configFile)
         } else {
-          configFile = path.join(config.root || process.cwd(), options.styles.configFile)
+          configFile = path.resolve(path.join(config.root || process.cwd(), options.styles.configFile))
         }
+        configFile = normalizePath(configFile)
       }
     },
     async resolveId (source, importer, { custom }) {
@@ -39,48 +35,35 @@ export function stylesPlugin (options: Options): Plugin {
           isSubdir(vuetifyBase, path.isAbsolute(source) ? source : importer)
         )
       ) {
-        if (options.styles === 'none') {
-          return `${PLUGIN_VIRTUAL_PREFIX}__void__`
-        } else if (options.styles === 'sass') {
+        if (options.styles === 'sass') {
           const target = source.replace(/\.css$/, '.sass')
           return this.resolve(target, importer, { skipSelf: true, custom })
-        } else if (isObject(options.styles)) {
-          const resolution = await this.resolve(source, importer, { skipSelf: true, custom })
+        }
 
-          if (!resolution) return null
+        const resolution = await this.resolve(source, importer, { skipSelf: true, custom })
 
-          const target = resolution.id.replace(/\.css$/, '.sass')
-          const file = path.relative(path.join(vuetifyBase, 'lib'), target)
-          const contents = `@use "${normalizePath(configFile)}"\n@use "${normalizePath(target)}"`
+        if (!resolution) return null
 
-          tempFiles.set(file, contents)
+        const target = resolution.id.replace(/\.css$/, '.sass')
+        tempFiles.set(target, isNone
+            ? '' :
+            useFileImport
+                ? `@use "${pathToFileURL(configFile!).href}"\n@use "${pathToFileURL(target).href}"`
+                : `@use "${normalizePath(configFile!)}"\n@use "${normalizePath(target)}"`
+        )
 
-          return `${VIRTUAL_MODULE_ID}:${file}`
-        }
-      } else if (source.startsWith(`/${PLUGIN_VIRTUAL_NAME}:`)) {
-        return PLUGIN_VIRTUAL_PREFIX + source.slice(1)
-      } else if (source.startsWith(`/@id/__x00__${PLUGIN_VIRTUAL_NAME}:`)) {
-        return PLUGIN_VIRTUAL_PREFIX + source.slice(12)
-      } else if (source.startsWith(`/${VIRTUAL_MODULE_ID}:`)) {
-        return source.slice(1)
+        return target
       }
 
-      return null
+      return undefined
     },
     load (id) {
-      // When Vite is configured with `optimizeDeps.exclude: ['vuetify']`, the
-      // received id contains a version hash (e.g. \0__void__?v=893fa859).
-      if (new RegExp(`^${PLUGIN_VIRTUAL_PREFIX}__void__(\\?.*)?$`).test(id)) {
-        return ''
-      }
-
-      if (id.startsWith(`${VIRTUAL_MODULE_ID}`)) {
-        const file = new RegExp(`^${VIRTUAL_MODULE_ID}:(.*?)(\\?.*)?$`).exec(id)![1]
-
-        return tempFiles.get(file)
-      }
-
-      return null
+      return isNone || sassVariables ? tempFiles.get(id) : undefined
     },
   }
 }
+
+function isSubdir (root: string, test: string) {
+  const relative = path.relative(root, test)
+  return relative && !relative.startsWith('..') && !path.isAbsolute(relative)
+}