fix(scope-manager): add support for TS4.9 satisfies expression (#6059)

feat(scope-manager): add support for TS4.9 satisfies expression

.prettierignore

@@ -14,6 +14,7 @@ packages/ast-spec/src/*/*/fixtures/_error_/*/fixture.ts
 
 # prettier doesn't yet support satisfies
 packages/ast-spec/src/expression/TSSatisfiesExpression/fixtures/
+packages/scope-manager/tests/fixtures/type-assertion/satisfies.ts
 
 # Ignore CHANGELOG.md files to avoid issues with automated release job
 CHANGELOG.md

packages/scope-manager/src/referencer/Referencer.ts

@@ -301,7 +301,10 @@ class Referencer extends Visitor {
   }
 
   protected visitTypeAssertion(
-    node: TSESTree.TSAsExpression | TSESTree.TSTypeAssertion,
+    node:
+      | TSESTree.TSAsExpression
+      | TSESTree.TSTypeAssertion
+      | TSESTree.TSSatisfiesExpression,
   ): void {
     this.visit(node.expression);
     this.visitType(node.typeAnnotation);
@@ -724,6 +727,10 @@ class Referencer extends Visitor {
     this.close(node);
   }
 
+  protected TSSatisfiesExpression(node: TSESTree.TSSatisfiesExpression): void {
+    this.visitTypeAssertion(node);
+  }
+
   protected TSTypeAliasDeclaration(
     node: TSESTree.TSTypeAliasDeclaration,
   ): void {

packages/scope-manager/tests/fixtures/type-assertion/satisfies.ts

@@ -0,0 +1,4 @@
+const x = 1;
+type T = 1;
+
+x satisfies T;

packages/scope-manager/tests/fixtures/type-assertion/satisfies.ts.shot

@@ -0,0 +1,84 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`type-assertion satisfies 1`] = `
+ScopeManager {
+  variables: Array [
+    ImplicitGlobalConstTypeVariable,
+    Variable$2 {
+      defs: Array [
+        VariableDefinition$1 {
+          name: Identifier<"x">,
+          node: VariableDeclarator$1,
+        },
+      ],
+      name: "x",
+      references: Array [
+        Reference$1 {
+          identifier: Identifier<"x">,
+          init: true,
+          isRead: false,
+          isTypeReference: false,
+          isValueReference: true,
+          isWrite: true,
+          resolved: Variable$2,
+          writeExpr: Literal$2,
+        },
+        Reference$2 {
+          identifier: Identifier<"x">,
+          isRead: true,
+          isTypeReference: false,
+          isValueReference: true,
+          isWrite: false,
+          resolved: Variable$2,
+        },
+      ],
+      isValueVariable: true,
+      isTypeVariable: false,
+    },
+    Variable$3 {
+      defs: Array [
+        TypeDefinition$2 {
+          name: Identifier<"T">,
+          node: TSTypeAliasDeclaration$3,
+        },
+      ],
+      name: "T",
+      references: Array [
+        Reference$3 {
+          identifier: Identifier<"T">,
+          isRead: true,
+          isTypeReference: true,
+          isValueReference: false,
+          isWrite: false,
+          resolved: Variable$3,
+        },
+      ],
+      isValueVariable: false,
+      isTypeVariable: true,
+    },
+  ],
+  scopes: Array [
+    GlobalScope$1 {
+      block: Program$4,
+      isStrict: false,
+      references: Array [
+        Reference$1,
+        Reference$2,
+        Reference$3,
+      ],
+      set: Map {
+        "const" => ImplicitGlobalConstTypeVariable,
+        "x" => Variable$2,
+        "T" => Variable$3,
+      },
+      type: "global",
+      upper: null,
+      variables: Array [
+        ImplicitGlobalConstTypeVariable,
+        Variable$2,
+        Variable$3,
+      ],
+    },
+  ],
+}
+`;