Merge pull request #604 from preactjs/fix-use-signal

Author: JoviDeCroock

.changeset/tricky-boxes-knock.md

@@ -0,0 +1,5 @@
+---
+'@prefresh/babel-plugin': patch
+---
+
+Properly support signals

packages/babel/src/index.mjs

@@ -236,6 +236,8 @@ export default function (babel, opts = {}) {
       case 'React.useImperativeMethods':
       case 'useDebugValue':
       case 'React.useDebugValue':
+      case 'useSignal':
+      case 'React.useSignal':
         return true;
       default:
         return false;
@@ -389,6 +391,9 @@ export default function (babel, opts = {}) {
       } else if (name === 'useReducer' && args.length > 1) {
         // useReducer second argument is initial state.
         key += '(' + args[1].getSource() + ')';
+      } else if (name === 'useSignal' && args.length > 0) {
+        // useSignal first argument is initial value.
+        key += '(' + args[0].getSource() + ')';
       }
 
       hookCallsForFn.push({

test/fixture/vite-signals/package.json

@@ -3,7 +3,7 @@
     "dev": "vite"
   },
   "dependencies": {
-    "@preact/signals": "^1.1.2",
+    "@preact/signals": "^2.0.0",
     "preact": "^10.19.2"
   },
   "devDependencies": {