feat(vscode): remove unocss.root and use auto-detection

packages/vscode/package.json

@@ -103,6 +103,7 @@
     "jiti": "^1.18.2",
     "prettier": "^2.8.8",
     "tsup": "^7.0.0",
-    "unconfig": "^0.3.9"
+    "unconfig": "^0.3.9",
+    "find-up": "^6.3.0"
   }
 }

packages/vscode/src/index.ts

@@ -8,10 +8,10 @@ import { registerAutoComplete } from './autocomplete'
 import { ContextLoader } from './contextLoader'
 import { registerSelectionStyle } from './selectionStyle'
 import { isFulfilled, isRejected } from './utils'
+import { findUp } from 'find-up';
 
 async function registerRoot(ext: ExtensionContext, status: StatusBarItem, cwd: string) {
   const contextLoader = new ContextLoader(cwd)
-
   await contextLoader.ready
 
   const hasConfig = await contextLoader.loadContextInDirectory(cwd)
@@ -49,7 +49,6 @@ export async function activate(ext: ExtensionContext) {
 
   if (Array.isArray(root) && root.length) {
     const cwds = root.map(dir => path.resolve(projectPath, dir))
-
     const contextLoadersResult = await Promise.allSettled(
       cwds.map(cwd => registerRoot(ext, status, cwd)),
     )
@@ -72,13 +71,19 @@ export async function activate(ext: ExtensionContext) {
     }
     return
   }
-
   // now if the root is an array, then it is an empty array
-  const cwd = (root && !Array.isArray(root))
-    ? path.resolve(projectPath, root)
-    : projectPath
 
-  try {
+  const cacheMap = new Set()
+
+  const registerUnocss = async () => {
+    const url = window.activeTextEditor?.document.uri.fsPath
+    if (!url) return
+    if (/node_modules/.test(url)) return
+    const target = await findUp(['package.json'], { cwd: url })
+    if (!target) return
+    const cwd = target.slice(0, -13)
+    if (cacheMap.has(cwd)) return
+    cacheMap.add(cwd)
     const contextLoader = await registerRoot(ext, status, cwd)
 
     ext.subscriptions.push(
@@ -89,9 +94,15 @@ export async function activate(ext: ExtensionContext) {
       }),
     )
   }
+
+
+  try {
+    await registerUnocss()
+    ext.subscriptions.push(window.onDidChangeActiveTextEditor(registerUnocss))
+  }
   catch (e: any) {
     log.appendLine(String(e.stack ?? e))
   }
 }
 
-export function deactivate() {}
+export function deactivate() { }