feat: better error tracing for vue block loader (#29)

Author: Teages

src/utils/mkdist.ts

@@ -100,7 +100,10 @@ function defineVueLoader(options?: DefineVueLoaderOptions): Loader {
           rawInput: input,
           addOutput,
           requireTranspileTemplate: isTs,
+        }).catch((cause) => {
+          throw new Error(`[vue-sfc-transformer] Failed to load the ${data.type} block in ${input.srcPath}`, { cause })
         })
+
         if (result) {
           modified = true
         }

test/mkdist.test.ts

@@ -400,6 +400,16 @@ describe('transform typescript script setup', () => {
     expect(result).toBeUndefined()
   })
 
+  it('throws error when block loader fails', async () => {
+    const src = `
+      <script setup lang="ts">
+        const props =
+      </script>
+    `
+
+    await expect(fixture(src)).rejects.toThrow('[vue-sfc-transformer] Failed to load the script block in')
+  })
+
   async function fixture(src: string): Promise<string> {
     await rm(tmpDir, { force: true, recursive: true })
     await mkdir(join(tmpDir, 'src'), { recursive: true })