Also resolve JSON modules

Perryvw · Perryvw · commit 4f8bec02fcc1 · 2021-05-24T19:05:42.000+02:00
diff --git a/src/transpilation/resolve.ts b/src/transpilation/resolve.ts
@@ -160,6 +160,11 @@ function resolveDependency(
     // Check if file is a file in the project
     const resolvedPath = path.resolve(fileDirectory, dependency);
 
+    if (isProjectFile(resolvedPath)) {
+        // JSON files need their extension as part of the import path, caught by this branch
+        return resolvedPath;
+    }
+
     const resolvedFile = resolvedPath + ".ts";
     if (isProjectFile(resolvedFile)) {
         return resolvedFile;
diff --git a/test/unit/file.spec.ts b/test/unit/file.spec.ts
@@ -10,6 +10,20 @@ describe("JSON", () => {
             .setMainFileName("main.json")
             .expectToEqual(new util.ExecutionError("Unexpected end of JSON input"));
     });
+
+    test("JSON modules can be imported", () => {
+        util.testModule`
+            import * as jsonData from "./jsonModule.json";
+            export const result = jsonData;
+        `
+            .addExtraFile("jsonModule.json", '{ "jsonField1": "hello, this is JSON", "jsonField2": ["a", "b", "c"] }')
+            .expectToEqual({
+                result: {
+                    jsonField1: "hello, this is JSON",
+                    jsonField2: ["a", "b", "c"],
+                },
+            });
+    });
 });
 
 describe("shebang", () => {
