record_button.js

// Setup if needed and start recording.
async () => {
    // Set up recording functions if not already initialized
    if (!window.startRecording) {
        let recorder_js = null;
        let main_js = null;
    }

    // Function to fetch and convert video blob to base64 using async/await without explicit Promise
    async function getVideoBlobAsBase64(objectURL) {
        const response = await fetch(objectURL);
        if (!response.ok) {
          throw new Error('Failed to fetch video blob.');
        }

        const blob = await response.blob();

        const reader = new FileReader();
        reader.readAsDataURL(blob);

        return new Promise((resolve, reject) => {
          reader.onloadend = () => {
            if (reader.result) {
              resolve(reader.result.split(',')[1]); // Return the base64 string (without data URI prefix)
            } else {
              reject('Failed to convert blob to base64.');
            }
          };
        });
    }

    if (window.currentState === "RECORDING") {
        await window.stopRecording();
        const base64String = await getVideoBlobAsBase64(window.videoSource);
        return base64String;
    } else {
        window.startRecording();
        return "Record";
    }
}