Merge pull request #8 from dburles/jsx-support

Allow JSX syntax when parsing `.jsx` files, PR: #8 .

changelog.md

@@ -1,5 +1,11 @@
 # find-unused-exports changelog
 
+## Next
+
+### Minor
+
+- Enable JSX syntax when parsing `.jsx` files with Babel, even when the project has no Babel config for JSX, via [#8](https://github.com/jaydenseric/find-unused-exports/pull/8).
+
 ## 6.0.0
 
 ### Major

scanModuleCode.mjs

@@ -52,20 +52,19 @@ export default async function scanModuleCode(code, path) {
     ["decorators", { decoratorsBeforeExport: false }],
   ];
 
-  if (
-    path &&
+  if (path) {
     // Path is a TypeScript module.
-    (path.endsWith(".mts") ||
+    if (
+      path.endsWith(".mts") ||
       path.endsWith(".cts") ||
       path.endsWith(".ts") ||
-      path.endsWith(".tsx"))
-  ) {
-    // Allow parsing code containing TypeScript syntax.
-    plugins.push("typescript");
-
-    if (path.endsWith(".tsx"))
-      // Allow parsing code containing JSX syntax.
-      plugins.push("jsx");
+      path.endsWith(".tsx")
+    )
+      // Allow parsing code containing TypeScript syntax.
+      plugins.push("typescript");
+
+    // Allow parsing code containing JSX syntax.
+    if (path.endsWith(".tsx") || path.endsWith(".jsx")) plugins.push("jsx");
   }
 
   const ast = await babel.parseAsync(code, {

scanModuleCode.test.mjs

@@ -58,6 +58,13 @@ describe("Function `scanModuleCode`.", { concurrency: true }, () => {
         },
       );
     });
+
+    it("`.jsx` file, JavaScript and JSX syntax.", async () => {
+      deepStrictEqual(await scanModuleCode("const a = <div />;", "a.jsx"), {
+        imports: {},
+        exports: new Set(),
+      });
+    });
   });
 
   it("No imports or exports.", async () => {