Magnum Opus pt1

1 files changed, 22 insertions, 0 deletions

diff --git a/webAO/utils/getAnimLength.js b/webAO/utils/getAnimLength.js
new file mode 100644
index 0000000..e64703f
--- /dev/null
+++ b/webAO/utils/getAnimLength.js
@@ -0,0 +1,22 @@
+import calculatorHandler from './calculatorHandler';
+import fileExists from './fileExists.js';
+/**
+	 * Gets animation length. If the animation cannot be found, it will
+	 * silently fail and return 0 instead.
+	 * @param {string} filename the animation file name
+	 */
+
+const getAnimLength = async (url) => {
+  const extensions = ['.gif', '.webp'];
+  for (const extension of extensions) {
+    const urlWithExtension = url + extension;
+    const exists = await fileExists(urlWithExtension);
+    if (exists) {
+      const fileBuffer = await requestBuffer(urlWithExtension);
+      const length = calculatorHandler[extension](fileBuffer);
+      return length;
+    }
+  }
+  return 0;
+};
+export default getAnimLength;