Support type assertion on default export (fixes #48) [publish]

Author: ArnaudBarre

CHANGELOG.md

@@ -1,7 +1,8 @@
 # Changelog
 
-## Unreleased
+## 4.0.12
 
+- Support type assertion on default export (fixes #48)
 - Add default export to fix usage with jiti (fixes #50)
 
 ## 0.4.11

bun.lockb

@@ -6,25 +6,25 @@
   "scripts": {
     "build": "scripts/bundle.ts",
     "test": "bun test",
-    "lint": "bun lint-ci --fix --cache",
-    "lint-ci": "eslint ./ --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
+    "lint": "eslint ./ --ext ts,tsx --report-unused-disable-directives --max-warnings 0",
     "prettier": "bun prettier-ci --write",
     "prettier-ci": "prettier --ignore-path=.gitignore --check '**/*.{ts,json,md,yml}'",
-    "ci": "tsc && bun lint-ci && bun prettier-ci && bun test && bun run build"
+    "ci": "tsc && bun lint && bun prettier-ci && bun test && bun run build"
   },
+  "prettier": {},
   "peerDependencies": {
     "eslint": ">=7"
   },
   "devDependencies": {
-    "@arnaud-barre/eslint-config": "^4.0.0",
+    "@arnaud-barre/eslint-config": "^4.1.1",
     "@arnaud-barre/tnode": "^0.19.2",
     "@types/eslint": "^8.44.8",
     "@types/node": "^20.10.2",
-    "@typescript-eslint/parser": "^6.13.1",
-    "@typescript-eslint/utils": "^6.13.1",
-    "bun-types": "^1.0.15",
-    "eslint": "^8.55.0",
+    "@typescript-eslint/parser": "^7.18.0",
+    "@typescript-eslint/utils": "^7.18.0",
+    "bun-types": "^1.1.27",
+    "eslint": "^8.57.0",
     "prettier": "3.0.3",
-    "typescript": "~5.3"
+    "typescript": "~5.4"
   }
 }

package.json

@@ -109,6 +109,10 @@ const valid = [
     name: "export default React.memo function declaration",
     code: "function Foo() {}; export default React.memo(Foo);",
   },
+  {
+    name: "export default React.memo function declaration with type assertion",
+    code: "function Foo() {}; export default React.memo(Foo) as typeof Foo;",
+  },
   {
     name: "export type *",
     code: "export type * from './module';",

src/only-export-components.test.ts

@@ -200,17 +200,22 @@ export const onlyExportComponents: TSESLint.RuleModule<
             context.report({ messageId: "exportAll", node });
           } else if (node.type === "ExportDefaultDeclaration") {
             hasExports = true;
+            const declaration =
+              node.declaration.type === "TSAsExpression" ||
+              node.declaration.type === "TSSatisfiesExpression"
+                ? node.declaration.expression
+                : node.declaration;
             if (
-              node.declaration.type === "VariableDeclaration" ||
-              node.declaration.type === "FunctionDeclaration" ||
-              node.declaration.type === "CallExpression"
+              declaration.type === "VariableDeclaration" ||
+              declaration.type === "FunctionDeclaration" ||
+              declaration.type === "CallExpression"
             ) {
-              handleExportDeclaration(node.declaration);
+              handleExportDeclaration(declaration);
             }
-            if (node.declaration.type === "Identifier") {
-              handleExportIdentifier(node.declaration);
+            if (declaration.type === "Identifier") {
+              handleExportIdentifier(declaration);
             }
-            if (node.declaration.type === "ArrowFunctionExpression") {
+            if (declaration.type === "ArrowFunctionExpression") {
               context.report({ messageId: "anonymousExport", node });
             }
           } else if (node.type === "ExportNamedDeclaration") {