feat(babel-plugin-react-compiler): support satisfies operator (facebook#32742)

Solve facebook#29818

---------

Co-authored-by: Rodrigo Faria <[email protected]>

Author: rodrigofariow

compiler/packages/babel-plugin-react-compiler/src/HIR/BuildHIR.ts

@@ -2406,6 +2406,19 @@ function lowerExpression(
         kind: 'TypeCastExpression',
         value: lowerExpressionToTemporary(builder, expr.get('expression')),
         typeAnnotation: typeAnnotation.node,
+        typeAnnotationKind: 'cast',
+        type: lowerType(typeAnnotation.node),
+        loc: exprLoc,
+      };
+    }
+    case 'TSSatisfiesExpression': {
+      let expr = exprPath as NodePath<t.TSSatisfiesExpression>;
+      const typeAnnotation = expr.get('typeAnnotation');
+      return {
+        kind: 'TypeCastExpression',
+        value: lowerExpressionToTemporary(builder, expr.get('expression')),
+        typeAnnotation: typeAnnotation.node,
+        typeAnnotationKind: 'satisfies',
         type: lowerType(typeAnnotation.node),
         loc: exprLoc,
       };
@@ -2417,6 +2430,7 @@ function lowerExpression(
         kind: 'TypeCastExpression',
         value: lowerExpressionToTemporary(builder, expr.get('expression')),
         typeAnnotation: typeAnnotation.node,
+        typeAnnotationKind: 'as',
         type: lowerType(typeAnnotation.node),
         loc: exprLoc,
       };

compiler/packages/babel-plugin-react-compiler/src/HIR/HIR.ts

@@ -910,13 +910,21 @@ export type InstructionValue =
       value: Place;
       loc: SourceLocation;
     }
-  | {
+  | ({
       kind: 'TypeCastExpression';
       value: Place;
-      typeAnnotation: t.FlowType | t.TSType;
       type: Type;
       loc: SourceLocation;
-    }
+    } & (
+      | {
+          typeAnnotation: t.FlowType;
+          typeAnnotationKind: 'cast';
+        }
+      | {
+          typeAnnotation: t.TSType;
+          typeAnnotationKind: 'as' | 'satisfies';
+        }
+    ))
   | JsxExpression
   | {
       kind: 'ObjectExpression';

compiler/packages/babel-plugin-react-compiler/src/ReactiveScopes/CodegenReactiveFunction.ts

@@ -2115,10 +2115,17 @@ function codegenInstructionValue(
     }
     case 'TypeCastExpression': {
       if (t.isTSType(instrValue.typeAnnotation)) {
-        value = t.tsAsExpression(
-          codegenPlaceToExpression(cx, instrValue.value),
-          instrValue.typeAnnotation,
-        );
+        if (instrValue.typeAnnotationKind === 'satisfies') {
+          value = t.tsSatisfiesExpression(
+            codegenPlaceToExpression(cx, instrValue.value),
+            instrValue.typeAnnotation,
+          );
+        } else {
+          value = t.tsAsExpression(
+            codegenPlaceToExpression(cx, instrValue.value),
+            instrValue.typeAnnotation,
+          );
+        }
       } else {
         value = t.typeCastExpression(
           codegenPlaceToExpression(cx, instrValue.value),

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/type-annotations/type-annotation-satisfies-array.expect.md

@@ -0,0 +1,71 @@
+
+## Input
+
+```javascript
+// @enableUseTypeAnnotations
+function Component(props: {id: number}) {
+  const x = makeArray(props.id) satisfies number[];
+  const y = x.at(0);
+  return y;
+}
+
+function makeArray<T>(x: T): Array<T> {
+  return [x];
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{id: 42}],
+};
+
+```
+
+## Code
+
+```javascript
+import { c as _c } from "react/compiler-runtime"; // @enableUseTypeAnnotations
+function Component(props) {
+  const $ = _c(4);
+  let t0;
+  if ($[0] !== props.id) {
+    t0 = makeArray(props.id);
+    $[0] = props.id;
+    $[1] = t0;
+  } else {
+    t0 = $[1];
+  }
+  const x = t0 satisfies number[];
+  let t1;
+  if ($[2] !== x) {
+    t1 = x.at(0);
+    $[2] = x;
+    $[3] = t1;
+  } else {
+    t1 = $[3];
+  }
+  const y = t1;
+  return y;
+}
+
+function makeArray(x) {
+  const $ = _c(2);
+  let t0;
+  if ($[0] !== x) {
+    t0 = [x];
+    $[0] = x;
+    $[1] = t0;
+  } else {
+    t0 = $[1];
+  }
+  return t0;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{ id: 42 }],
+};
+
+```
+      
+### Eval output
+(kind: ok) 42

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/type-annotations/type-annotation-satisfies-array.ts

@@ -0,0 +1,15 @@
+// @enableUseTypeAnnotations
+function Component(props: {id: number}) {
+  const x = makeArray(props.id) satisfies number[];
+  const y = x.at(0);
+  return y;
+}
+
+function makeArray<T>(x: T): Array<T> {
+  return [x];
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{id: 42}],
+};

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/type-annotations/type-annotation-satisfies-number.expect.md

@@ -0,0 +1,41 @@
+
+## Input
+
+```javascript
+// @enableUseTypeAnnotations
+import {identity} from 'shared-runtime';
+
+function Component(props: {id: number}) {
+  const x = identity(props.id);
+  const y = x satisfies number;
+  return y;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{id: 42}],
+};
+
+```
+
+## Code
+
+```javascript
+// @enableUseTypeAnnotations
+import { identity } from "shared-runtime";
+
+function Component(props) {
+  const x = identity(props.id);
+  const y = x satisfies number;
+  return y;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{ id: 42 }],
+};
+
+```
+      
+### Eval output
+(kind: ok) 42

compiler/packages/babel-plugin-react-compiler/src/__tests__/fixtures/compiler/type-annotations/type-annotation-satisfies-number.ts

@@ -0,0 +1,13 @@
+// @enableUseTypeAnnotations
+import {identity} from 'shared-runtime';
+
+function Component(props: {id: number}) {
+  const x = identity(props.id);
+  const y = x satisfies number;
+  return y;
+}
+
+export const FIXTURE_ENTRYPOINT = {
+  fn: Component,
+  params: [{id: 42}],
+};