Ignore formatting if no file path was given

Refs #3
remcohaszing · Feb 12, 2024 · b40fa38 · b40fa38
1 parent c8c181f
commit b40fa38
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diff --git a/src/test.ts b/src/test.ts
@@ -53,6 +53,15 @@ test('ignore missing prettier parser', () => {
   assert.equal(result, '__example__\n\n')
 })
 
+test('ignore missing file', () => {
+  const result = unified()
+    .use(valueStringify)
+    .use(unifiedPrettier)
+    .stringify({ type: 'root', value: '__example__\n\n' })
+
+  assert.equal(result, '__example__\n\n')
+})
+
 test('accept prettier options', () => {
   const result = unified()
     .use(valueStringify)

diff --git a/src/unified-prettier.ts b/src/unified-prettier.ts
@@ -21,6 +21,10 @@ const unifiedPrettier: Plugin<[Options?]> = function unifiedPrettier(options) {
   this.compiler = (tree, file) => {
     const content = compiler(tree, file)
 
+    if (!file.path) {
+      return content
+    }
+
     const filepath = resolve(file.cwd, file.path)
 
     const signal = new Int32Array(new SharedArrayBuffer(4))