fork from https://github.com/mozilla/pdf.js.git

test/font/fontutils.js

@@ -0,0 +1,35 @@
+/* Copyright 2013 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+async function ttx(data) {
+  const response = await fetch("/ttx", {
+    method: "POST",
+    body: data.toBase64(),
+  });
+
+  if (!response.ok) {
+    throw new Error(response.statusText);
+  }
+  return response.text();
+}
+
+function verifyTtxOutput(output) {
+  const m = /^<error>(.*?)<\/error>/.exec(output);
+  if (m) {
+    throw m[1];
+  }
+}
+
+export { ttx, verifyTtxOutput };