fix: raise error when a component/prefab doesn't return anything (#90)

bettyblocks · Jan 10, 2020 · 3bf433d · 3bf433d
1 parent a0f2635
commit 3bf433d
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/bb-components-build.ts b/src/bb-components-build.ts
@@ -49,7 +49,9 @@ const readComponents: () => Promise<
       try {
         const code: string = await readFile(`${srcDir}/${file}`, 'utf-8');
         // eslint-disable-next-line no-new-func
-        return Function(`return ${transpile(code)}`)();
+        const transpiledFunction = Function(`return ${transpile(code)}`)()
+        if (!transpiledFunction) throw(new Error('Component doesn\'t return anything'));
+        return transpiledFunction
       } catch (error) {
         error.file = file;
         throw error;
@@ -75,7 +77,9 @@ const readPrefabs: () => Promise<Prefab[]> = async (): Promise<Prefab[]> => {
       try {
         const code: string = await readFile(`${srcDir}/${file}`, 'utf-8');
         // eslint-disable-next-line no-new-func
-        return Function(`return ${code}`)();
+        const transpiledFunction = Function(`return ${code}`)()
+        if (!transpiledFunction) throw(new Error('Prefab doesn\'t return anything'));
+        return transpiledFunction
       } catch (error) {
         error.file = file;
         throw error;