Export a YouTube video transcript to LLMs or download it as a text file; easy customization via a settings panel; additional features: persistent progress bar with chapter markers, display remaining time based on playback speed, auto-open chapter panel.
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// ==UserScript==
// @name YouTube - Transcript Exporter
// @description Export a YouTube video transcript to LLMs or download it as a text file; easy customization via a settings panel; additional features: persistent progress bar with chapter markers, display remaining time based on playback speed, auto-open chapter panel.
// @author Tim Macy
// @license GNU AFFERO GENERAL PUBLIC LICENSE-3.0
// @version 7.0
// @published 2024-12-24
// @namespace TimMacy.YouTubeTranscriptExporter
// @icon https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @match https://*.youtube.com/*
// @grant GM.setValue
// @grant GM.getValue
// @run-at document-end
// @noframes
// @homepageURL https://github.com/TimMacy/YouTubeTranscriptExporter
// @supportURL https://github.com/TimMacy/YouTubeTranscriptExporter/issues
// ==/UserScript==
(async function() {
'use strict';
// CSS
const styleSheet = document.createElement('style');
styleSheet.textContent = `
.overlay {
position: fixed;
z-index: 2053;
left: 0;
top: 0;
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
background-color: rgba(0,0,0,0.5);
backdrop-filter: blur(5px);
}
.modal-content {
z-index: 2077;
background-color: rgba(17, 17, 17, 0.8);
padding: 20px 0 20px 20px;
border: 1px solid rgba(255, 255, 255, 0.25);
border-radius: 8px;
width: 420px;
max-height: 90vh;
font-family: "Roboto","Arial",sans-serif;
font-size: 9px;
line-height: 1.2;
color: white;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
-moz-osx-font-smoothing: grayscale !important;
}
#yt-transcript-settings-form {
max-height: calc(90vh - 40px);
overflow-y: auto;
padding-right: 20px;
}
.notification {
background:hsl(0,0%,7%);
padding: 20px 30px;
border-radius: 8px;
border: 1px solid hsl(0,0%,18.82%);
max-width: 80%;
text-align: center;
font-family: "Roboto","Arial",sans-serif;
font-size: 16px;
color: white;
}
.header {
margin: 0 20px 20px 0;
padding: 0;
border: 0;
text-align:center;
text-decoration: none;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 2.5em;
line-height: 1em;
font-weight: 700;
text-overflow: ellipsis;
white-space: normal;
text-shadow: 0 0 20px black;
cursor: pointer;
background: transparent;
display: block;
background-image: linear-gradient(45deg, #FFFFFF, #F2F2F2, #E6E6E6, #D9D9D9, #CCCCCC);
-webkit-background-clip: text;
background-clip: text;
color: transparent;
transition: color .3s ease-in-out;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.header:hover { color: white; }
.label-style-settings {
display: block;
margin-bottom: 5px;
font-family: "Roboto","Arial",sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 500;
}
.label-NotebookLM { color: hsl(134, 61%, 40%); }
.label-ChatGPT { color: hsl(217, 91%, 59%); }
.label-download { color: hsl(359, 88%, 57%); }
.label-settings { color: hsl(0, 0%, 100%); }
.input-field-targetNotebookLMUrl:focus { border: 1px solid hsl(134, 61%, 40%); }
.input-field-targetChatGPTUrl:focus { border: 1px solid hsl(217, 91%, 59%); }
.buttonIconNotebookLM-input-field:focus { border: 1px solid hsl(134, 61%, 40%); }
.buttonIconChatGPT-input-field:focus { border: 1px solid hsl(217, 91%, 59%); }
.buttonIconDownload-input-field:focus { border: 1px solid hsl(359, 88%, 57%); }
.buttonIconSettings-input-field:focus { border: 1px solid hsl(0, 0%, 100%); }
.input-field-targetNotebookLMUrl:hover,
.input-field-targetChatGPTUrl:hover,
.buttonIconNotebookLM-input-field:hover,
.buttonIconChatGPT-input-field:hover,
.buttonIconDownload-input-field:hover,
.buttonIconSettings-input-field:hover,
.select-file-naming:hover,
.input-field-url:hover,
.chatgpt-prompt-textarea:hover
{ background-color: hsl(0, 0%, 10.37%); }
.btn-style-settings {
margin-left: 10px;
padding: 5px 10px;
cursor: pointer;
color: whitesmoke;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 400;
background-color: hsl(0, 0%, 7%);
border: 1px solid hsl(0, 0%, 18.82%);
border-radius: 3px;
transition: all 0.2s ease-out;
}
/* .btn-style-settings:first-child { margin: 0 12px 0 0; } */
.btn-style-settings:hover { color: white; background-color: rgba(255,255,255,0.2); border-color: transparent; }
.button-icons { display: block; font-family: "Roboto","Arial",sans-serif; font-size: 1.4em; line-height: 1.5em; font-weight: 500; }
.icons-container { display: flex; justify-content: space-between; margin-bottom: 20px; }
.container-button { display: flex; flex-direction: column; align-items: center; margin: 5px 0 0 0; }
.container-button-input {
width: 80px;
padding: 8px;
text-align: center;
color: ghostwhite;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 2em;
line-height: 1.5em;
font-weight: 400;
transition: all .5s ease-in-out;
outline: none;
background-color: hsl(0,0%,7%);
border: 1px solid hsl(0,0%,18.82%);
border-radius: 1px;
box-sizing: border-box;
}
.container-button-label {
margin-top: 5px;
text-align: center;
font-family: "Roboto","Arial",sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 500;
}
.container-button-input:focus { color: white; background-color: hsl(0, 0%, 10.37%); border-radius: 3px; }
.spacer-top { height: 10px; }
.copyright {
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 500;
color: white;
text-decoration: none;
transition: color 0.2s ease-in-out;
}
.copyright:hover { color: #369eff; }
.url-container { margin-bottom: 10px; }
.input-field-url {
width: 100%;
padding: 8px;
color: ghostwhite;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 400;
transition: all .5s ease-in-out;
outline: none;
background-color:hsl(0,0%,7%);
border: 1px solid hsl(0,0%,18.82%);
border-radius: 1px;
box-sizing: border-box;
}
.input-field-url:focus { color: white; background-color: hsl(0, 0%, 10.37%); border-radius: 3px; }
.file-naming-container { position: relative; margin-bottom: 20px; }
.select-file-naming {
width: 100%;
padding: 8px;
cursor:pointer;
color: ghostwhite;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 400;
transition: all .5s ease-in-out;
outline: none;
appearance: none;
-webkit-appearance: none;
background-color:hsl(0,0%,7%);
border: 1px solid hsl(0,0%,18.82%);
border-radius: 1px;
box-sizing: border-box;
background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" height="24" width="24" viewBox="0 0 24 24" focusable="false" aria-hidden="true" style="pointer-events: none; display: inherit; width: 100%; height: 100%;" fill="ghostwhite"%3E%3Cpath d="m18 9.28-6.35 6.35-6.37-6.35.72-.71 5.64 5.65 5.65-5.65z"%3E%3C/path%3E%3C/svg%3E');
background-repeat: no-repeat;
background-position: right 10px center;
background-size: 20px;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;]
user-select: none;
}
.hidden-select {
position: absolute;
visibility: hidden;
opacity: 0;
pointer-events: none;
width: 100%;
height: 100%;
top: 0;
left: 0;
}
.dropdown-list {
visibility: hidden;
opacity: 0;
position: absolute;
z-index: 2100;
top: 115%;
left: 0;
width: 100%;
max-height: 200px;
overflow-y: auto;
background-color:hsl(0,0%,7%);
border: 1px solid hsl(359,88%,57%);
border-radius: 1px 1px 8px 8px;
box-sizing: border-box;
transition: opacity .5s ease-in-out, transform .5s ease-in-out;
transform: translateY(-10px);
}
.dropdown-list.show {
visibility: visible;
opacity: 1;
transform: translateY(0);
}
.dropdown-item {
padding: 15px;
cursor: pointer;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 1.47em;
line-height: 1em;
font-weight: 400;
color: lightgray;
position: relative;
transition: background-color .3s;
padding-left: 1.6em;
}
.dropdown-item:hover {
color: ghostwhite;
background-color: rgba(255, 255, 255, .05);
}
.dropdown-item:hover::before {
color: ghostwhite;
font-weight: 600;
}
.dropdown-item-selected {
color: hsl(359,88%,57%);
font-weight: 600;
}
.dropdown-item-selected::before {
content: '✓';
position: absolute;
left: 6px;
color: hsl(359,88%,57%);
}
.select-file-naming:focus {
color: white;
background-color: hsl(0, 0%, 10.37%);
border-radius: 3px;
border-color: hsl(359, 88%, 57%);
}
.checkbox-label {
display: flex;
align-items: center;
font-family: "Roboto","Arial",sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 500;
cursor: pointer;
text-decoration: none;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.checkbox-container { margin-bottom: 5px; }
.checkbox-label:hover { text-decoration: underline; }
.checkbox-field { margin-right: 10px; }
.chrome-info {
color: rgba(175, 175, 175, .9);
font-family: "Roboto","Arial",sans-serif;
font-size: 1.2em;
line-height: 1.5em;
font-weight: 400;
display: block;
margin:-5px 0px 20px 24px;
pointer-events: none;
cursor: default;
}
.chatgpt-prompt-textarea {
width: 100%;
padding: 8px;
height: 65px;
transition: all .5s ease-in-out;
outline: none;
resize: none;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 1.4em;
line-height: 1.5em;
font-weight: 400;
color: ghostwhite;
background-color:hsl(0,0%,7%);
border: 1px solid hsl(0,0%,18.82%);
border-radius: 1px;
box-sizing: border-box;
}
.chatgpt-prompt-textarea:focus {
height: 432px;
color: white;
background-color: hsl(0, 0%, 10.37%);
border: 1px solid hsl(217, 91%, 59%);
border-radius: 3px;
}
.button-container-end {
display: flex;
flex-direction: column;
gap: 10px;
margin-top: 30px;
padding-top: 15px;
border: none;
border-top: solid 1px transparent;
border-image: linear-gradient(to right, rgba(255, 255, 255, 0), rgba(255, 255, 255, .5), rgba(255, 255, 255, 0));
border-image-slice: 1;
-webkit-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
.button-container-backup {
display: flex;
justify-content: end;
gap: 13.5px;
}
.button-container-settings {
display: flex;
align-items: center;
}
.button-wrapper {
position: relative;
margin-right: 8px;
display: flex;
background-color: transparent;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
-moz-osx-font-smoothing: grayscale !important;
}
.button-wrapper:not(:has(.button-style-settings)):hover { background-color: rgba(255, 255, 255, 0.1); border-radius: 24px; }
.button-wrapper:not(:has(.button-style-settings)):active { background-color: rgba(255, 255, 255, 0.2); border-radius: 24px; }
.button-style {
width: 40px;
height: 40px;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
font-size: 24px;
display: inline-block;
position: relative;
box-sizing: border-box;
vertical-align: middle;
color: white;
outline: none;
background: transparent;
margin: 0;
border: none;
padding: 0;
cursor: pointer;
-webkit-tap-highlight-color: rgba(0,0,0,0);
-webkit-tap-highlight-color: transparent;
}
.button-style-settings { width: 10px; color: rgb(170, 170, 170); }
.button-style-settings:hover { color: white; }
.button-tooltip {
visibility: hidden;
background-color: black;
color: white;
text-align: center;
border-radius: 3px;
padding: 6px 8px;
position: absolute;
z-index: 2053;
top: 120%;
left: 50%;
transform: translateX(-50%);
opacity: 0;
white-space: nowrap;
font-size: 12px;
font-family: -apple-system, "Roboto", "Arial", sans-serif;
border-top: solid 1px white;
border-bottom: solid 1px black;
border-left: solid 1px transparent;
border-right: solid 1px transparent;
border-image: linear-gradient(to bottom, white, black);
border-image-slice: 1;
}
.button-tooltip-arrow {
position: absolute;
top: -5px;
left: 50%;
transform: translateX(-50%) rotate(45deg);
width: 10px;
height: 10px;
background: linear-gradient(135deg, white 0%, white 50%, black 50%, black 100%);
z-index: -1;
}
.remaining-time-container {
position: relative;
display: block;
height: 0;
top: 4px;
text-align: right;
font-family: "Roboto", "Arial", sans-serif;
font-size: 1.4rem;
font-weight: 500;
line-height: 1em;
color: ghostwhite;
pointer-events: auto;
cursor: auto;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
-moz-osx-font-smoothing: grayscale !important;
}
.remaining-time-container.live,
#movie_player .remaining-time-container.live {
display: none;
pointer-events: none;
cursor: default;
}
#movie_player .remaining-time-container {
position: absolute;
z-index: 2053;
bottom: 15px;
left: 50%;
transform: translateX(-50%);
font-weight: 800 !important;
font-size: 109%;
display: inline-block;
vertical-align: top;
white-space: nowrap;
line-height: 53px;
color: #ddd;
text-shadow: black 0 0 3px !important;
}
.transcript-preload {
position: fixed !important;
top: var(--ytd-toolbar-height) !important;
left: 50% !important;
transform: translateX(-50%) !important;
z-index: -1 !important;
opacity: 0 !important;
visibility: hidden !important;
pointer-events: none !important;
}
.notification-error {
z-index: 2053;
box-shadow: none;
text-decoration: none;
display: inline-block;
background-color: hsl(0, 0%, 7%);
padding: 10px 12px;
margin: 0 8px;
border: 1px solid hsl(0, 0%, 18.82%);
border-radius: 5px;
pointer-events: none;
cursor: default;
font-family: 'Roboto', Arial, sans-serif;
color: rgba(255, 255, 255, 0.5);
text-align: center;
font-weight: 500;
font-size: 14px;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
-moz-osx-font-smoothing: grayscale !important;
}
.loading span::before {
content: "Transcript Is Loading";
position: absolute;
inset: initial;
color: rgba(255, 250, 250, .86);
opacity: 0;
-webkit-animation: pulse 1.5s infinite;
animation: pulse 1.5s infinite;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
-moz-osx-font-smoothing: grayscale !important;
}
@-webkit-keyframes pulse {
0% { opacity: 0; }
50% { opacity: .71; }
100% { opacity: 0; }
}
@keyframes pulse {
0% { opacity: 0; }
50% { opacity: .71; }
100% { opacity: 0; }
}
.buttons-left {
font-family: "Roboto", "Arial", sans-serif;
font-size: 14px;
font-weight: 500;
line-height: 1em;
display: inline-block;
position: relative;
color: ghostwhite;
text-decoration: none;
cursor: pointer;
margin: 0 10px;
outline: none;
background: transparent;
border: none;
text-rendering: optimizeLegibility !important;
-webkit-font-smoothing: antialiased !important;
-moz-osx-font-smoothing: grayscale !important;
}
.buttons-left:hover { color: #ff0000; }
.buttons-left:active { color: #282828; }
`;
document.head.appendChild(styleSheet);
// CSS Progress Bar
function ProgressBarCSS() {
const progressBarCSS = document.createElement('style');
progressBarCSS.textContent = `
#ProgressBar-bar {
width: 100%;
height: 3px;
background: rgba(255, 255, 255, 0.2);
position: absolute;
bottom: 0;
opacity: 0;
z-index: 50;
}
#ProgressBar-progress, #ProgressBar-buffer {
width: 100%;
height: 3px;
transform-origin: 0 0;
position: absolute;
}
#ProgressBar-progress {
background: #f00;
filter: none;
z-index: 1;
}
.ytp-autohide .ytp-chrome-bottom .ytp-load-progress, .ytp-autohide .ytp-chrome-bottom .ytp-play-progress { display: none !important; }
.ytp-autohide .ytp-chrome-bottom { opacity: 1 !important; display: block !important; }
.ytp-autohide .ytp-chrome-bottom .ytp-chrome-controls { opacity: 0 !important; }
.ad-interrupting #ProgressBar-progress { background: transparent; }
.ytp-ad-persistent-progress-bar-container { display: none; }
#ProgressBar-buffer { background: rgba(255, 255, 255, 0.4); }
.ytp-autohide #ProgressBar-start.active,
.ytp-autohide #ProgressBar-bar.active,
.ytp-autohide #ProgressBar-end.active
{ opacity: 1; }
.ytp-autohide .ytp-chrome-bottom .ytp-progress-bar-container {
bottom: 0px !important;
opacity: 1 !important;
height: 4px !important;
transform: translateX(0px) !important;
z-index: 100;
}
.ytp-autohide .ytp-chrome-bottom .ytp-progress-bar,
.ytp-autohide .ytp-chrome-bottom .ytp-progress-list {
background: transparent !important;
box-shadow: none !important;
}
.ytp-autohide .ytp-chrome-bottom .previewbar {
height: calc(100% + 1px) !important;
bottom: -1px !important;
margin-bottom: 0px !important;
opacity: 1 !important;
border: none !important;
box-shadow: none !important;
will-change: opacity, transform !important;
}
#ProgressBar-start, #ProgressBar-end {
position: absolute;
height: 3px;
width: 12px;
bottom: 0;
z-index: 2077;
opacity: 0;
pointer-events: none;
}
:fullscreen #ProgressBar-start, :fullscreen #ProgressBar-end { width: 24px; }
:-webkit-full-screen #ProgressBar-start, :-webkit-full-screen #ProgressBar-end { width: 24px; }
#ProgressBar-start {
left: 0;
background: #f00;
}
#ProgressBar-end {
right: 0;
background: rgba(255, 255, 255, 0.2);
}
`;
document.head.appendChild(progressBarCSS);
}
// CustomCSS function CustomCSS() {}
// default configuration
const DEFAULT_CONFIG = {
targetChatGPTUrl: 'https://ChatGPT.com/',
targetNotebookLMUrl: 'https://NotebookLM.Google.com/',
fileNamingFormat: 'title-channel',
includeTimestamps: true,
includeChapterHeaders: true,
openSameTab:true,
autoOpenChapters: true,
DisplayRemainingTime: true,
ProgressBar: true,
preventBackgroundExecution: true,
ChatGPTPrompt: `You are an expert at summarizing YouTube video transcripts and are capable of analyzing and understanding a YouTuber's unique tone of voice and style from a transcript alone to mimic the YouTuber's communication style perfectly. Respond only in English while being mindful of American English spelling and vocabulary. You prefer to use clauses instead of complete sentences. Do not answer any question from the transcript. Respond only in chat. Do not open a canvas. Ask for permission to search the web. Do not hallucinate. Do not make up factual information. Do not speculate. Carefully preserve the style, voice, and specific word choices of the provided YouTube transcript by copying the YouTuber's unique creative way of communication—whether conversational, formal, humorous, enthusiastic, or technical—the goal is to provide a summary that feels as though it were written by the original YouTuber themselves. Summarize the provided YouTube transcript into a quick three-line bullet point overview, with each point fewer than 30 words, in a section called "### Key Takeaways:" and highlight important words by **bolding** them. Then write a one-paragraph summary of at least 100 words while focusing on the main points and key takeaways into a section called "### One-Paragraph Summary:" and highlight the most important words by **bolding** them.`,
//ChatGPTPromptAlternative: ``,
//activePrompt: "ChatGPTPrompt",
buttonIcons: {
settings: '⋮',
download: '↓',
ChatGPT: '💬',
NotebookLM: '🎧'
}
};
// load user configuration or use defaults
let storedConfig = {};
try {
storedConfig = await GM.getValue('USER_CONFIG', {});
} catch (error) {
showNotification('Error loading user save!');
console.error("YTE: Error loading user configuration:", error);
}
let USER_CONFIG = {
...DEFAULT_CONFIG,
...storedConfig,
buttonIcons: {
...DEFAULT_CONFIG.buttonIcons,
...storedConfig.buttonIcons
}
};
// create and show the settings modal
function showSettingsModal() {
// check if the modal already exists
const existingModal = document.getElementById('yt-transcript-settings-modal');
if (existingModal) {
existingModal.style.display = 'flex';
document.body.style.overflow = 'hidden';
return;
}
// create modal elements
const modal = document.createElement('div');
modal.id = 'yt-transcript-settings-modal';
modal.classList.add('overlay');
const modalContent = document.createElement('div');
modalContent.classList.add('modal-content');
// close modal on overlay click
modal.addEventListener('click', (event) => {
if (event.target === modal) {
modal.style.display = 'none';
document.body.style.overflow = '';
}
});
// modal header
const header = document.createElement('a');
header.href = 'https://github.com/TimMacy/YouTubeTranscriptExporter';
header.target = '_blank';
header.innerText = 'YouTube Transcript Exporter';
header.title = 'GitHub Repository for YouTube Transcript Exporter';
header.classList.add('header');
modalContent.appendChild(header);
// create form elements for each setting
const form = document.createElement('form');
form.id = 'yt-transcript-settings-form';
// Button Icons
const iconsHeader = document.createElement('label');
iconsHeader.innerText = 'Button Icons:';
iconsHeader.classList.add('button-icons');
form.appendChild(iconsHeader);
const iconsContainer = document.createElement('div');
iconsContainer.classList.add('icons-container');
function createIconInputField(labelText, settingKey, settingValue, labelClass) {
const container = document.createElement('div');
container.classList.add('container-button');
const input = document.createElement('input');
const iconInputClass = `${settingKey}-input-field`;
input.type = 'text';
input.name = settingKey;
input.value = settingValue;
input.classList.add('container-button-input');
input.classList.add(iconInputClass);
const label = document.createElement('label');
label.innerText = labelText;
label.className = labelClass;
label.classList.add('container-button-label');
container.appendChild(input);
container.appendChild(label);
return container;
}
iconsContainer.appendChild(createIconInputField('NotebookLM', 'buttonIconNotebookLM', USER_CONFIG.buttonIcons.NotebookLM, 'label-NotebookLM'));
iconsContainer.appendChild(createIconInputField('ChatGPT', 'buttonIconChatGPT', USER_CONFIG.buttonIcons.ChatGPT, 'label-ChatGPT'));
iconsContainer.appendChild(createIconInputField('Download', 'buttonIconDownload', USER_CONFIG.buttonIcons.download, 'label-download'));
iconsContainer.appendChild(createIconInputField('Settings', 'buttonIconSettings', USER_CONFIG.buttonIcons.settings, 'label-settings'));
form.appendChild(iconsContainer);
// NotebookLM URL
form.appendChild(createInputField('NotebookLM URL (Copy transcript, then open the website):', 'targetNotebookLMUrl', USER_CONFIG.targetNotebookLMUrl, 'label-NotebookLM'));
// ChatGPT URL
form.appendChild(createInputField('ChatGPT URL (Copy transcript with the prompt, then open the website):', 'targetChatGPTUrl', USER_CONFIG.targetChatGPTUrl, 'label-ChatGPT'));
// Spacer-Top
const spacerTop = document.createElement('div');
spacerTop.classList.add('spacer-top');
form.appendChild(spacerTop);
// File Naming Format
form.appendChild(createSelectField('Text File Naming Format:', 'label-download', 'fileNamingFormat', USER_CONFIG.fileNamingFormat, {
'title-channel': 'Title - Channel.txt (default)',
'channel-title': 'Channel - Title.txt',
'date-title-channel': 'uploadDate - Title - Channel.txt',
'date-channel-title': 'uploadDate - Channel - Title.txt',
}));
// Include Timestamps
form.appendChild(createCheckboxField('Include Timestamps in the Transcript (default: yes)', 'includeTimestamps', USER_CONFIG.includeTimestamps));
// Include Chapter Headers
form.appendChild(createCheckboxField('Include Chapter Headers in the Transcript (default: yes)', 'includeChapterHeaders', USER_CONFIG.includeChapterHeaders));
// Open in Same Tab
form.appendChild(createCheckboxField('Open Links in the Same Tab (default: yes)', 'openSameTab', USER_CONFIG.openSameTab));
// Auto Open Chapter Panel
form.appendChild(createCheckboxField('Automatically Open the Chapter Panel (default: yes)', 'autoOpenChapters', USER_CONFIG.autoOpenChapters));
// Display Remaining Time
form.appendChild(createCheckboxField('Display Remaining Time Under the Video (default: yes)', 'DisplayRemainingTime', USER_CONFIG.DisplayRemainingTime));
// Keep Progress Bar Visible
form.appendChild(createCheckboxField('Keep the Progress Bar Visible (default: yes)', 'ProgressBar', USER_CONFIG.ProgressBar));
// Prevent Execution in Background Tabs
form.appendChild(createCheckboxField('Important for Chrome! (default: yes)', 'preventBackgroundExecution', USER_CONFIG.preventBackgroundExecution));
// Info for Chrome
const description = document.createElement('small');
description.innerText = 'Prevents element duplication and early script execution in background tabs.\nWhile this feature is superfluous in Safari, it is essential for Chrome.';
description.classList.add('chrome-info');
form.appendChild(description);
// ChatGPT Prompt
form.appendChild(createTextareaField('ChatGPT Prompt:', 'ChatGPTPrompt', USER_CONFIG.ChatGPTPrompt, 'label-ChatGPT'));
// action buttons container
const buttonContainer = document.createElement('div');
buttonContainer.classList.add('button-container-end');
// export and import button container
const exportImportContainer = document.createElement('div');
exportImportContainer.classList.add('button-container-backup');
// const customCSSButton = document.createElement('button');
// customCSSButton.type = 'button';
// customCSSButton.innerText = 'Customize CSS';
// customCSSButton.classList.add('btn-style-settings');
// customCSSButton.onclick = CustomizeCSS;
const exportButton = document.createElement('button');
exportButton.type = 'button';
exportButton.innerText = 'Export Settings';
exportButton.classList.add('btn-style-settings');
exportButton.onclick = exportSettings;
const importButton = document.createElement('button');
importButton.type = 'button';
importButton.innerText = 'Import Settings';
importButton.classList.add('btn-style-settings');
importButton.onclick = importSettings;
// Copyright
const copyright = document.createElement('a');
copyright.href = 'https://github.com/TimMacy';
copyright.target = '_blank';
copyright.innerText = '© 2024 Tim Macy';
copyright.title = 'Copyright by Tim Macy';
copyright.classList.add('copyright');
const spacer = document.createElement('div');
spacer.style = 'flex: 1;';
// Save, Reset, and Cancel Buttons
const buttonContainerSettings = document.createElement('div');
buttonContainerSettings.classList.add('button-container-settings');
const saveButton = document.createElement('button');
saveButton.type = 'button';
saveButton.innerText = 'Save';
saveButton.classList.add('btn-style-settings');
saveButton.onclick = saveSettings;
const resetButton = document.createElement('button');
resetButton.type = 'button';
resetButton.innerText = 'Reset to Default';
resetButton.classList.add('btn-style-settings');
resetButton.onclick = async () => {
const userConfirmed = window.confirm("All settings will be reset to their default values.");
if (!userConfirmed) { return; }
try {
USER_CONFIG = { ...DEFAULT_CONFIG };
await GM.setValue('USER_CONFIG', USER_CONFIG);
showNotification('Settings have been reset to default!');
document.getElementById('yt-transcript-settings-modal').style.display = 'none';
setTimeout(() => { location.reload(); }, 1000);
} catch (error) {
showNotification('Error resetting settings to default!');
console.error("YTE: Error resetting settings to default:", error);
}
};
const cancelButton = document.createElement('button');
cancelButton.type = 'button';
cancelButton.innerText = 'Cancel';
cancelButton.classList.add('btn-style-settings');
cancelButton.onclick = () => { modal.style.display = 'none'; document.body.style.overflow = ''; };
//exportImportContainer.appendChild(customCSSButton);
exportImportContainer.appendChild(exportButton);
exportImportContainer.appendChild(importButton);
buttonContainerSettings.appendChild(copyright);
buttonContainerSettings.appendChild(spacer);
buttonContainerSettings.appendChild(saveButton);
buttonContainerSettings.appendChild(resetButton);
buttonContainerSettings.appendChild(cancelButton);
buttonContainer.appendChild(exportImportContainer);
buttonContainer.appendChild(buttonContainerSettings);
form.appendChild(buttonContainer);
modalContent.appendChild(form);
modal.appendChild(modalContent);
document.body.appendChild(modal);
document.body.style.overflow = 'hidden';
// text area scroll on click
let animationTriggered = false;
document.querySelector('.chatgpt-prompt-textarea').addEventListener('click', function () {
if (animationTriggered) return;
animationTriggered = true;
const modalContent = this.closest('#yt-transcript-settings-form');
if (!modalContent) { animationTriggered = false; return; }
const textArea = this;
const buttons = modalContent.querySelector('.button-container-end');
const startHeight = 65;
const endHeight = 432;
const duration = 500;
const modalContentRect = modalContent.getBoundingClientRect();
const textAreaRect = textArea.getBoundingClientRect();
const buttonsRect = buttons.getBoundingClientRect();
const textAreaTop = textAreaRect.top - modalContentRect.top + modalContent.scrollTop;
const buttonsBottom = buttonsRect.bottom - modalContentRect.top + modalContent.scrollTop;
const contentHeightAfterExpansion = buttonsBottom + (endHeight - startHeight);
const modalVisibleHeight = modalContent.clientHeight;
const contentWillFit = contentHeightAfterExpansion <= modalVisibleHeight;
const maxScrollTop = textAreaTop;
let desiredScrollTop;
if (contentWillFit) { desiredScrollTop = contentHeightAfterExpansion - modalVisibleHeight;
} else { desiredScrollTop = buttonsBottom + (endHeight - startHeight) - modalVisibleHeight; }
const newScrollTop = Math.min(desiredScrollTop, maxScrollTop);
const startScrollTop = modalContent.scrollTop;
const scrollDistance = newScrollTop - startScrollTop;
const startTime = performance.now();
function animateScroll(currentTime) {
const elapsedTime = currentTime - startTime;
const progress = Math.min(elapsedTime / duration, 1);
const easeProgress = progress < 0.5
? 2 * progress * progress
: -1 + (4 - 2 * progress) * progress;
const currentScrollTop = startScrollTop + scrollDistance * easeProgress;
modalContent.scrollTop = currentScrollTop;
if (progress < 1) { requestAnimationFrame(animateScroll);
} else { animationTriggered = false; }
}
requestAnimationFrame(animateScroll);
});
// close modal with ESC key
window.addEventListener('keydown', function (event) {
if (event.key === 'Escape') {
modal.style.display = 'none';
document.body.style.overflow = '';
}
});
}
// helper function to create input fields
function createInputField(labelText, settingKey, settingValue, labelClass) {
const container = document.createElement('div');
container.classList.add('url-container');
const label = document.createElement('label');
label.innerText = labelText;
label.className = labelClass;
label.classList.add('label-style-settings');
container.appendChild(label);
const input = document.createElement('input');
const fieldInputClass = `input-field-${settingKey}`;
input.type = 'text';
input.name = settingKey;
input.value = settingValue;
input.classList.add('input-field-url');
input.classList.add(fieldInputClass);
container.appendChild(input);
return container;
}
// helper function to create select fields
function createSelectField(labelText, labelClass, settingKey, settingValue, options) {
const container = document.createElement('div');
container.classList.add('file-naming-container');
const label = document.createElement('label');
label.innerText = labelText;
label.className = labelClass;
label.classList.add('label-style-settings');
container.appendChild(label);
const select = document.createElement('div');
select.classList.add('select-file-naming');
select.innerText = options[settingValue];
select.setAttribute('tabindex', '0');
container.appendChild(select);
const hiddenSelect = document.createElement('select');
hiddenSelect.name = settingKey;
hiddenSelect.classList.add('hidden-select');
for (const [value, text] of Object.entries(options)) {
const option = document.createElement('option');
option.value = value;
option.text = text;
if (value === settingValue) {
option.selected = true;
}
hiddenSelect.appendChild(option);
}
container.appendChild(hiddenSelect);
const dropdownList = document.createElement('div');
dropdownList.classList.add('dropdown-list');
container.appendChild(dropdownList);
for (const [value, text] of Object.entries(options)) {
const item = document.createElement('div');
item.classList.add('dropdown-item');
item.innerText = text;
item.dataset.value = value;
if (value === settingValue) { item.classList.add('dropdown-item-selected'); }
item.addEventListener('click', () => {
const previouslySelected = dropdownList.querySelector('.dropdown-item-selected');
if (previouslySelected) {
previouslySelected.classList.remove('dropdown-item-selected');
}
item.classList.add('dropdown-item-selected');
select.innerText = text;
hiddenSelect.value = value;
dropdownList.classList.remove('show');
});
dropdownList.appendChild(item);
}
// open dropdown
select.addEventListener('click', (event) => {
event.stopPropagation();
dropdownList.classList.toggle('show');
});
// close dropdown
document.addEventListener('click', () => {
dropdownList.classList.remove('show');
});
return container;
}
// helper function to create checkbox fields
function createCheckboxField(labelText, settingKey, settingValue) {
const container = document.createElement('div');
container.classList.add('checkbox-container');
const label = document.createElement('label');
label.classList.add('checkbox-label');
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.name = settingKey;
checkbox.checked = settingValue;
checkbox.classList.add('checkbox-field');
label.appendChild(checkbox);
const span = document.createElement('span');
span.innerText = labelText;
label.appendChild(span);
container.appendChild(label);
return container;
}
// helper function to create a textarea field
function createTextareaField(labelText, settingKey, settingValue, labelClass) {
const container = document.createElement('chatgpt-prompt');
const label = document.createElement('label');
label.innerText = labelText;
label.className = labelClass;
label.classList.add('label-style-settings');
container.appendChild(label);
const textarea = document.createElement('textarea');
textarea.name = settingKey;
textarea.value = settingValue;
textarea.classList.add('chatgpt-prompt-textarea');
container.appendChild(textarea);
return container;
}
// function to save settings
async function saveSettings() {
const form = document.getElementById('yt-transcript-settings-form');
// function to ensure secure URLs
function normalizeUrl(url) {
url = url.trim();
if (/^https?:\/\//i.test(url)) {
url = url.replace(/^http:\/\//i, 'https://');
} else { url = 'https://' + url; }
return url;
}
// validate ChatGPT URL
let targetChatGPTUrl = form.elements.targetChatGPTUrl.value.trim();
if (targetChatGPTUrl !== '') {
USER_CONFIG.targetChatGPTUrl = normalizeUrl(targetChatGPTUrl);
} else { delete USER_CONFIG.targetChatGPTUrl; }
// validate NotebookLM URL
let targetNotebookLMUrl = form.elements.targetNotebookLMUrl.value.trim();
if (targetNotebookLMUrl !== '') {
USER_CONFIG.targetNotebookLMUrl = normalizeUrl(targetNotebookLMUrl);
} else { delete USER_CONFIG.targetNotebookLMUrl; }
// save other settings
USER_CONFIG.fileNamingFormat = form.elements.fileNamingFormat.value;
USER_CONFIG.includeTimestamps = form.elements.includeTimestamps.checked;
USER_CONFIG.includeChapterHeaders = form.elements.includeChapterHeaders.checked;
USER_CONFIG.openSameTab = form.elements.openSameTab.checked;
USER_CONFIG.autoOpenChapters = form.elements.autoOpenChapters.checked;
USER_CONFIG.DisplayRemainingTime = form.elements.DisplayRemainingTime.checked;
USER_CONFIG.ProgressBar = form.elements.ProgressBar.checked;
USER_CONFIG.preventBackgroundExecution = form.elements.preventBackgroundExecution.checked;
USER_CONFIG.ChatGPTPrompt = form.elements.ChatGPTPrompt.value;
// initialize buttonIcons if not already
USER_CONFIG.buttonIcons = USER_CONFIG.buttonIcons || {};
// save button icons, removing empty values to use defaults
const buttonIconDownload = form.elements.buttonIconDownload.value.trim();
const buttonIconChatGPT = form.elements.buttonIconChatGPT.value.trim();
const buttonIconNotebookLM = form.elements.buttonIconNotebookLM.value.trim();
const buttonIconSettings = form.elements.buttonIconSettings.value.trim();
if (buttonIconDownload !== '') { USER_CONFIG.buttonIcons.download = buttonIconDownload; } else { delete USER_CONFIG.buttonIcons.download; }
if (buttonIconChatGPT !== '') { USER_CONFIG.buttonIcons.ChatGPT = buttonIconChatGPT; } else { delete USER_CONFIG.buttonIcons.ChatGPT; }
if (buttonIconNotebookLM !== '') { USER_CONFIG.buttonIcons.NotebookLM = buttonIconNotebookLM; } else { delete USER_CONFIG.buttonIcons.NotebookLM; }
if (buttonIconSettings !== '') { USER_CONFIG.buttonIcons.settings = buttonIconSettings; } else { delete USER_CONFIG.buttonIcons.settings; }
// save updated config
try {
await GM.setValue('USER_CONFIG', USER_CONFIG);
// close modal
document.getElementById('yt-transcript-settings-modal').style.display = 'none';
showNotification('Settings have been updated!');
setTimeout(() => { location.reload(); }, 1000);
} catch (error) {
showNotification('Error saving new user config!');
console.error("YTE: Error saving user configuration:", error);
}
}
// export and import settings
async function exportSettings() {
try {
const scriptVersion = GM.info.script.version;
const settingsString = JSON.stringify(USER_CONFIG, null, 2);
const blob = new Blob([settingsString], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = url;
a.download = `YouTube-Transcript-Exporter_v${scriptVersion}_Backup_${new Date().toISOString().replace(/[:.]/g, '-')}.json`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
showNotification('Settings have been exported.');
} catch (error) {
showNotification("Error exporting settings!");
console.error("YTE: Error exporting user settings:", error);
}
}
let fileInputSettings;
async function importSettings() {
const handleFile = (e) => {
const file = e.target.files[0];
if (!file) return;
const reader = new FileReader();
reader.onload = (event) => {
const fileContent = event.target.result;
try {
const importedConfig = JSON.parse(fileContent);
if (typeof importedConfig === 'object' && importedConfig !== null) {
USER_CONFIG = { ...DEFAULT_CONFIG, ...importedConfig };
GM.setValue('USER_CONFIG', USER_CONFIG);
showNotification('Settings have been imported.');
setTimeout(() => {
location.reload();
}, 1000);
} else {
showNotification('Invalid JSON format!');
}
} catch (error) {
showNotification('Invalid JSON format!');
}
};
reader.readAsText(file);
};
const createOrResetFileInput = () => {
if (!fileInputSettings) {
fileInputSettings = document.createElement('input');
fileInputSettings.type = 'file';
fileInputSettings.accept = 'application/json';
fileInputSettings.id = 'fileInputSettings';
fileInputSettings.style.display = 'none';
fileInputSettings.addEventListener('change', handleFile);
document.body.appendChild(fileInputSettings);
} else {
fileInputSettings.value = '';
}
};
createOrResetFileInput();
fileInputSettings.click();
}
// function to display a notification for settings change or reset
function showNotification(message) {
const overlay = document.createElement('div');
overlay.classList.add('overlay');
const modal = document.createElement('div');
modal.classList.add('notification');
modal.innerText = message;
overlay.appendChild(modal);
document.body.appendChild(overlay);
setTimeout(() => { overlay.remove(); }, 1000);
}
// function to add the YouTube Transcript Exporter buttons
function buttonLocation(buttons, callback) {
const masthead = document.querySelector('#end');
if (masthead) {
buttons.forEach(({ id, text, clickHandler, tooltip }) => {
// button wrapper
const buttonWrapper = document.createElement('div');
buttonWrapper.classList.add('button-wrapper');
// buttons
const button = document.createElement('button');
button.id = id;
button.innerText = text;
button.classList.add('button-style');
if (id === 'transcript-settings-button') {
button.classList.add('button-style-settings'); }
button.addEventListener('click', clickHandler);
// tooltip div
const tooltipDiv = document.createElement('div');
tooltipDiv.innerText = tooltip;
tooltipDiv.classList.add('button-tooltip');
// tooltip arrow
const arrowDiv = document.createElement('div');
arrowDiv.classList.add('button-tooltip-arrow');
tooltipDiv.appendChild(arrowDiv);
// show and hide tooltip on hover
let tooltipTimeout;
button.addEventListener('mouseenter', () => {
tooltipTimeout = setTimeout(() => {
tooltipDiv.style.visibility = 'visible';
tooltipDiv.style.opacity = '1';
}, 700);
});
button.addEventListener('mouseleave', () => {
clearTimeout(tooltipTimeout);
tooltipDiv.style.visibility = 'hidden';
tooltipDiv.style.opacity = '0';
});
// append button elements
buttonWrapper.appendChild(button);
buttonWrapper.appendChild(tooltipDiv);
masthead.prepend(buttonWrapper);
});
} else {
const observer = new MutationObserver((mutations, obs) => {
const masthead = document.querySelector('#end');
if (masthead) {
obs.disconnect();
if (callback) callback();
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
}
}
function addButton() {
if (
document.getElementById('transcript-ChatGPT-button') ||
document.getElementById('transcript-NotebookLM-button') ||
document.getElementById('transcript-download-button') ||
document.getElementById('transcript-settings-button')
) return;
const buttons = [
{ id: 'transcript-settings-button', text: USER_CONFIG.buttonIcons.settings, clickHandler: showSettingsModal, tooltip: 'YouTube Transcript Exporter Settings', ariaLabel: 'YouTube Transcript Exporter Settings.' },
{ id: 'transcript-download-button', text:USER_CONFIG.buttonIcons.download, clickHandler: handleDownloadClick, tooltip: 'Download Transcript as a Text File', ariaLabel: 'Download Transcript as a Text File.' },
{ id: 'transcript-ChatGPT-button', text:USER_CONFIG.buttonIcons.ChatGPT, clickHandler: handleChatGPTClick, tooltip: 'Copy Transcript with a Prompt and Open ChatGPT', ariaLabel: 'Copy Transcript to Clipboard with a Prompt and Open ChatGPT.' },
{ id: 'transcript-NotebookLM-button', text:USER_CONFIG.buttonIcons.NotebookLM, clickHandler: handleNotebookLMClick, tooltip: 'Copy Transcript and Open NotebookLM', ariaLabel: 'Copy Transcript to Clipboard and Open NotebookLM.' }
];
buttonLocation(buttons, addButton);
}
function addSettingsButton() {
if (
document.getElementById('transcript-ChatGPT-button') ||
document.getElementById('transcript-NotebookLM-button') ||
document.getElementById('transcript-download-button') ||
document.getElementById('transcript-settings-button')
) return;
const buttons = [ { id: 'transcript-settings-button', text: USER_CONFIG.buttonIcons.settings, clickHandler: showSettingsModal, tooltip: 'YouTube Transcript Exporter Settings', ariaLabel: 'YouTube Transcript Exporter Settings.' }, ];
buttonLocation(buttons, addSettingsButton);
}
// functions to handle the button clicks
function handleChatGPTClick() { handleTranscriptAction(function() { selectAndCopyTranscript('ChatGPT'); }); }
function handleNotebookLMClick() { handleTranscriptAction(function() { selectAndCopyTranscript('NotebookLM'); }); }
function handleDownloadClick() { handleTranscriptAction(downloadTranscriptAsText); }
// function to check for a transcript
function handleTranscriptAction(callback) {
// check if the transcript button exists or at least the div
const transcriptButton = document.querySelector('#button-container button[aria-label="Show transcript"]');
if (transcriptButton) {
} else {
const transcriptSection = document.querySelector('ytd-video-description-transcript-section-renderer');
if (transcriptSection) {
} else {
alert('Transcript unavailable or cannot be found.\nPlease ensure the "Show transcript" button exists.');
console.log("YTE: Transcript button not found. Subtitles/closed captions unavailable or language unsupported.");
return;
}
}
// check if the transcript has loaded
const transcriptItems = document.querySelectorAll('ytd-transcript-segment-list-renderer ytd-transcript-segment-renderer');
if (transcriptItems.length > 0) {
callback();
} else {
alert('Transcript has not loaded successfully.\nPlease reload this page.');
console.log("YTE: Transcript has not loaded.");
return;
}
}
// function to get video information
function getVideoInfo() {
//const ytTitle = document.querySelector('#title yt-formatted-string')?.textContent.trim() || 'N/A';
const ytTitle = document.querySelector('div#title h1 > yt-formatted-string')?.textContent.trim() || 'N/A';
//const channelName = document.querySelector('ytd-channel-name#channel-name yt-formatted-string#text a')?.textContent.trim() || 'N/A';
const channelName = document.querySelector( 'ytd-video-owner-renderer ytd-channel-name#channel-name yt-formatted-string#text a' )?.textContent.trim() || 'N/A';
const uploadDate = document.querySelector('ytd-video-primary-info-renderer #info-strings yt-formatted-string')?.textContent.trim() || 'N/A';
const videoURL = window.location.href;
return { ytTitle, channelName, uploadDate, videoURL };
}
// function to get the transcript text
function getTranscriptText() {
const transcriptContainer = document.querySelector('ytd-transcript-segment-list-renderer #segments-container');
if (!transcriptContainer) {
//console.error("YTE: Transcript container not found.");
return '';
}
const transcriptElements = transcriptContainer.children;
let transcriptLines = [];
Array.from(transcriptElements).forEach(element => {
if (element.tagName === 'YTD-TRANSCRIPT-SECTION-HEADER-RENDERER') {
// chapter header segment
if (USER_CONFIG.includeChapterHeaders) {
const chapterTitleElement = element.querySelector('h2 > span');
if (chapterTitleElement) {
const chapterTitle = chapterTitleElement.textContent.trim();
transcriptLines.push(`\nChapter: ${chapterTitle}`);
}
}
} else if (element.tagName === 'YTD-TRANSCRIPT-SEGMENT-RENDERER') {
// transcript segment
const timeElement = element.querySelector('.segment-timestamp');
const textElement = element.querySelector('.segment-text');
if (timeElement && textElement) {
const time = timeElement.textContent.trim();
const text = textElement.innerText.trim();
if (USER_CONFIG.includeTimestamps) {
transcriptLines.push(`${time} ${text}`);
} else { transcriptLines.push(`${text}`); }
}
}
});
return transcriptLines.join('\n');
}
// function to select and copy the transcript into the clipboard
function selectAndCopyTranscript(target) {
const transcriptText = getTranscriptText();
const { ytTitle, channelName, uploadDate, videoURL } = getVideoInfo();
let finalText = '';
let targetUrl = '';
if (target === 'ChatGPT') {
finalText = `YouTube Transcript:\n${transcriptText.trimStart()}\n\n\nAdditional Information about the YouTube Video:\nTitle: ${ytTitle}\nChannel: ${channelName}\nUpload Date: ${uploadDate}\nURL: ${videoURL}\n\n\nTask Instructions:\n${USER_CONFIG.ChatGPTPrompt}`;
targetUrl = USER_CONFIG.targetChatGPTUrl;
} else if (target === 'NotebookLM') {
finalText = `Information about the YouTube Video:\nTitle: ${ytTitle}\nChannel: ${channelName}\nUpload Date: ${uploadDate}\nURL: ${videoURL}\n\n\nYouTube Transcript:\n${transcriptText.trimStart()}`;
targetUrl = USER_CONFIG.targetNotebookLMUrl;
}
navigator.clipboard.writeText(finalText).then(() => {
showNotification('Transcript copied. Opening website . . .');
if (USER_CONFIG.openSameTab) { window.open(targetUrl, '_self');
} else { window.open(targetUrl, '_blank'); }
});
}
// function to get the formatted transcript with video details for the text file
function getFormattedTranscript() {
const transcriptText = getTranscriptText();
const { ytTitle, channelName, uploadDate, videoURL } = getVideoInfo();
return `Information about the YouTube Video:\nTitle: ${ytTitle}\nChannel: ${channelName}\nUpload Date: ${uploadDate}\nURL: ${videoURL}\n\n\nYouTube Transcript:\n${transcriptText.trimStart()}`;
}
// function to download the transcript as a text file
function downloadTranscriptAsText() {
const finalText = getFormattedTranscript();
const { ytTitle, channelName, uploadDate } = getVideoInfo();
const blob = new Blob([finalText], { type: 'text/plain' });
const sanitize = str => str.replace(/[<>:"/\\|?*]+/g, '');
const uploadDateFormatted = new Date(uploadDate).toLocaleDateString("en-CA");
// naming of text file based on user setting
let fileName = '';
switch (USER_CONFIG.fileNamingFormat) {
case 'title-channel': fileName = `${sanitize(ytTitle)} - ${sanitize(channelName)}.txt`; break;
case 'channel-title': fileName = `${sanitize(channelName)} - ${sanitize(ytTitle)}.txt`; break;
case 'date-title-channel': fileName = `${sanitize(uploadDateFormatted)} - ${sanitize(ytTitle)} - ${sanitize(channelName)}.txt`; break;
case 'date-channel-title': fileName = `${sanitize(uploadDateFormatted)} - ${sanitize(channelName)} - ${sanitize(ytTitle)}.txt`; break;
default: fileName = `${sanitize(ytTitle)} - ${sanitize(channelName)}.txt`;
}
const url = URL.createObjectURL(blob);
// create a temporary anchor element to trigger the download
const a = document.createElement('a');
a.href = url;
a.download = fileName;
document.body.appendChild(a);
a.click();
// clean up
document.body.removeChild(a);
URL.revokeObjectURL(url);
showNotification('File has been downloaded.');
}
// function to preload the transcript
function preLoadTranscript() {
return new Promise((resolve, reject) => {
const panel = document.querySelector('ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-searchable-transcript"]');
if (panel) {
const masthead = document.querySelector('#end');
const notification = document.createElement('div');
notification.classList.add('notification-error');
notification.classList.add('loading');
const textSpan = document.createElement('span');
textSpan.textContent = "Transcript Is Loading";
notification.appendChild(textSpan);
masthead.prepend(notification);
panel.classList.add('transcript-preload');
panel.setAttribute('visibility', 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED');
let attempts = 0;
const maxAttempts = 25;
const intervalId = setInterval(() => {
const transcriptItems = panel.querySelectorAll('ytd-transcript-segment-renderer');
console.log(`YTE: Transcript Attempts ${attempts + 1}`);
if (transcriptItems.length > 0) {
panel.classList.remove('transcript-preload');
panel.setAttribute('visibility', 'ENGAGEMENT_PANEL_VISIBILITY_HIDDEN');
clearInterval(intervalId);
notification.remove();
resolve();
} else if (++attempts >= maxAttempts) {
notification.remove();
panel.classList.remove('transcript-preload');
panel.setAttribute('visibility', 'ENGAGEMENT_PANEL_VISIBILITY_HIDDEN');
console.error("YTE: The transcript took longer than six seconds to load. YouTube Transcript Exporter has been terminated. Reload the page to try again.");
showNotificationError("Transcript Failed to Load");
clearInterval(intervalId);
reject();
}
}, 250);
} else {
console.log("YTE: Transcript panel not found or does not exist. YouTube Transcript Exporter has been terminated. Reload the page to try again.");
showNotificationError("Transcript Not Available");
reject();
}
});
}
// function to display a notification if transcript cannot be found
function showNotificationError(message) {
const masthead = document.querySelector('#end');
const notification = document.createElement('div');
notification.textContent = message;
notification.classList.add('notification-error');
masthead.prepend(notification);
if (document.visibilityState === 'hidden') {
document.addEventListener('visibilitychange', function handleVisibilityChange() {
if (document.visibilityState === 'visible') {
document.removeEventListener('visibilitychange', handleVisibilityChange);
setTimeout(() => notification.remove(), 3000);
}
});
} else { setTimeout(() => notification.remove(), 3000); }
}
// function to automatically open the chapter panel
function openChapters() {
const panel = document.querySelector('ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-macro-markers-description-chapters"]') ||
document.querySelector('ytd-engagement-panel-section-list-renderer[target-id="engagement-panel-macro-markers-auto-chapters"]');
if (panel) {
panel.setAttribute('visibility', 'ENGAGEMENT_PANEL_VISIBILITY_EXPANDED');
} else {
//console.log("YTE: Chapter panel not found or does not exist.");
}
}
// function to display the remaining time based on playback speed
function RemainingTime() {
const STREAM_SELECTOR = '.video-stream.html5-main-video';
const CONTAINER_SELECTOR = '#columns #primary #below';
const FULLSCREEN_CONTAINER_SELECTOR = '#movie_player > div.ytp-chrome-bottom';
// function to format seconds
function formatTime(seconds) {
if (!isFinite(seconds) || seconds < 0) seconds = 0;
const h = Math.floor(seconds / 3600);
const m = Math.floor((seconds % 3600) / 60);
const s = Math.floor(seconds % 60);
return h > 0
? `${h}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`
: `${m}:${s.toString().padStart(2, '0')}`;
}
const element = document.createElement('div');
element.classList.add('remaining-time-container');
const textNode = document.createTextNode('');
element.appendChild(textNode);
// hide for live video
const timeDisplay = document.querySelector('.ytp-time-display');
if (!timeDisplay) { console.error("YTE: RemainingTime: Required querySelector not found."); return; }
const detectLive = () => {
if (timeDisplay.classList.contains('ytp-live')) {
element.classList.add('live');
} else { element.classList.remove('live'); }
};
detectLive();
new MutationObserver(detectLive).observe(timeDisplay, { attributes: true });
// dynamic placement based on fullscreen mode
const updateContainer = () => {
const container = document.querySelector(CONTAINER_SELECTOR);
const fullscreenContainer = document.querySelector(FULLSCREEN_CONTAINER_SELECTOR);
if (document.fullscreenElement && fullscreenContainer) { fullscreenContainer.appendChild(element);
} else if (container) {
if (getComputedStyle(container).position === 'static') { container.style.position = 'relative'; }
if (!element.parentNode || element.parentNode !== container) { container.prepend(element); }
}
};
document.addEventListener('fullscreenchange', () => { setTimeout(updateContainer, 250); });
updateContainer();
// time updates
const video = document.querySelector(STREAM_SELECTOR);
if (video) {
video.ontimeupdate = () => {
const duration = video.duration;
const currentTime = video.currentTime;
const playbackRate = video.playbackRate || 1;
const remaining = (duration - currentTime) / playbackRate;
const watchedPercent = duration ? Math.round((currentTime / duration) * 100) + '%' : '0%';
const totalFormatted = formatTime(duration);
const elapsedFormatted = formatTime(currentTime);
const remainingFormatted = formatTime(remaining);
textNode.data = `total: ${totalFormatted} | elapsed: ${elapsedFormatted} — watched: ${watchedPercent} — remaining: ${remainingFormatted} (${playbackRate}x)`;
};
}
}
// function to keep the progress bar visible with chapters container
function keepProgressBarVisible() {
document.documentElement.classList.add('ProgressBar');
const player = document.querySelector('.html5-video-player');
const video = document.querySelector('video[src]');
const timeDisplay = document.querySelector('.ytp-time-display');
const chaptersContainer = player && player.querySelector('.ytp-chapters-container');
const progressBarContainer = player && player.querySelector('.ytp-progress-bar-container');
if (!player || !video || !timeDisplay) { console.error("YTE: ProgressBar: A Required querySelector Not Found."); return; }
if (!progressBarContainer) { console.error("YTE: ProgressBar: Progress Bar Container Not Found."); return; }
const bar = document.createElement('div');
bar.id = 'ProgressBar-bar';
const progress = document.createElement('div');
progress.id = 'ProgressBar-progress';
const buffer = document.createElement('div');
buffer.id = 'ProgressBar-buffer';
const startDiv = document.createElement('div');
startDiv.id = 'ProgressBar-start';
const endDiv = document.createElement('div');
endDiv.id = 'ProgressBar-end';
player.appendChild(bar);
bar.appendChild(buffer);
bar.appendChild(progress);
player.appendChild(startDiv);
player.appendChild(endDiv);
progress.style.transform = 'scaleX(0)';
// live video check
let isLive = null;
const detectLive = () => {
const live = timeDisplay.classList.contains('ytp-live');
if (live !== isLive) {
isLive = live;
if (isLive) {
bar.classList.remove('active');
startDiv.classList.remove('active');
endDiv.classList.remove('active');
} else {
bar.classList.add('active');
startDiv.classList.add('active');
endDiv.classList.add('active');
}
}
};
detectLive();
function animateProgress() {
const fraction = video.currentTime / video.duration;
progress.style.transform = `scaleX(${fraction})`;
requestAnimationFrame(animateProgress);
}
requestAnimationFrame(animateProgress);
function renderBuffer() {
for (let i = video.buffered.length - 1; i >= 0; i--) {
if (video.currentTime < video.buffered.start(i)) continue;
buffer.style.transform = `scaleX(${video.buffered.end(i) / video.duration})`;
break;
}
}
video.addEventListener('progress', renderBuffer);
video.addEventListener('seeking', renderBuffer);
// chapters container
let cachedMaskImage = null;
function updateLayout() {
const initialWidth = progressBarContainer.getBoundingClientRect().width;
let attempts = 0;
const maxAttempts = 6;
const waitForSizeChange = new Promise((resolve) => {
const intervalId = setInterval(() => {
const currentWidth = progressBarContainer.getBoundingClientRect().width;
if (currentWidth !== initialWidth) { clearInterval(intervalId); resolve(); }
else if (++attempts >= maxAttempts) { clearInterval(intervalId); resolve(); }
}, 250);
});
waitForSizeChange.then(() => {
const playerRect = player.getBoundingClientRect();
const progressBarRect = progressBarContainer.getBoundingClientRect();
const progressBarWidth = progressBarRect.width;
bar.style.position = 'absolute';
bar.style.left = (progressBarRect.left - playerRect.left) + 'px';
bar.style.width = progressBarWidth + 'px';
if (chaptersContainer) {
const chapters = chaptersContainer.querySelectorAll('.ytp-chapter-hover-container');
if (chapters.length) {
const svgWidth = 100;
const svgHeight = 10;
let rects = '';
chapters.forEach((chapter) => {
const rect = chapter.getBoundingClientRect();
const startPx = rect.left - progressBarRect.left;
const chapterWidth = rect.width;
const startPerc = (startPx / progressBarWidth) * svgWidth;
const widthPerc = (chapterWidth / progressBarWidth) * svgWidth;
rects += `<rect x="${startPerc}" y="0" width="${widthPerc}" height="${svgHeight}" fill="white"/>`;
});
const svg = `<svg width="${svgWidth}" height="${svgHeight}" viewBox="0 0 ${svgWidth} ${svgHeight}" preserveAspectRatio="none" xmlns="http://www.w3.org/2000/svg">${rects}</svg>`;
const encoded = encodeURIComponent(svg).replace(/%20/g, ' ');
cachedMaskImage = `url("data:image/svg+xml;utf8,${encoded}")`;
bar.style.maskImage = cachedMaskImage;
bar.style.webkitMaskImage = cachedMaskImage;
bar.style.maskRepeat = 'no-repeat';
bar.style.webkitMaskRepeat = 'no-repeat';
bar.style.maskSize = '100% 100%';
bar.style.webkitMaskSize = '100% 100%';
} else {
if (cachedMaskImage) {
bar.style.maskImage = '';
bar.style.webkitMaskImage = '';
cachedMaskImage = null;
}
}
}
});
}
// handle layout changes
document.addEventListener('yt-set-theater-mode-enabled', () => { updateLayout(); });
window.addEventListener('resize', () => { updateLayout(); });
// initialization
renderBuffer();
updateLayout();
}
// buttonsLeft function buttonsLeft() {}
// color code videos on home function ColorCodeVideos() {}
// initiate the script
let lastVideoURL = null;
async function initializeTranscript(currentVideoURL) {
if (USER_CONFIG.preventBackgroundExecution) { await ChromeUserWait(); }
//buttonsLeft();
const isVideoPage = /^https:\/\/.*\.youtube\.com\/watch\?v=/.test(currentVideoURL);
if (isVideoPage) {
const wrappers = document.querySelectorAll('.button-wrapper');
wrappers.forEach(wrapper => wrapper.remove());
let transcriptLoaded = false;
try { await preLoadTranscript(); transcriptLoaded = true; }
catch (error) { setTimeout(() => { addSettingsButton(); }, 3000); }
if (USER_CONFIG.autoOpenChapters) { openChapters(); }
if (USER_CONFIG.DisplayRemainingTime) { RemainingTime(); }
if (USER_CONFIG.ProgressBar) { ProgressBarCSS(); keepProgressBarVisible(); }
if (transcriptLoaded) { addButton(); }
//console.log("YTE: YouTube Transcript Exporter Initialized: On Video Page.");
} else {
addSettingsButton();
//console.log("YTE: YouTube Transcript Exporter Initialized: On Normal Page.");
//if (window.location.href !== "https://www.youtube.com/") { return; }
//ColorCodeVideos();
}
}
// YouTube navigation handler
function handleYouTubeNavigation() {
//console.log("YTE: Event Listner Arrived");
const currentVideoURL = window.location.href;
if (currentVideoURL !== lastVideoURL) {
lastVideoURL = currentVideoURL;
//console.log("YTE: Only One Survived");
if (USER_CONFIG.preventBackgroundExecution) { ChromeReset(); }
//CustomCSS();
setTimeout(() => { initializeTranscript(currentVideoURL); }, 300);
}
}
// reset function for Chrome
function ChromeReset() {
const wrappers = document.querySelectorAll('.button-wrapper');
wrappers.forEach(wrapper => wrapper.remove());
const timeContainer = document.querySelector('.remaining-time-container');
if (timeContainer) { timeContainer.remove(); }
const settingsModal = document.getElementById('yt-transcript-settings-modal');
if (settingsModal) { settingsModal.remove(); }
}
// function due to the inadequacy of Chrome
async function ChromeUserWait() {
if (document.visibilityState !== 'visible') {
//console.log("YTE: Waiting for this tab to become visible...");
return new Promise((resolve) => {
document.addEventListener('visibilitychange', function onVisibilityChange() {
if (document.visibilityState === 'visible') {
document.removeEventListener('visibilitychange', onVisibilityChange);
resolve();
}
});
});
}
}
// event listeners
document.addEventListener('yt-navigate-finish', handleYouTubeNavigation); // default
document.addEventListener('yt-page-data-updated', handleYouTubeNavigation); // backup
document.addEventListener('yt-page-data-fetched', handleYouTubeNavigation); // redundancy
//document.addEventListener('yt-player-updated', handleYouTubeNavigation);
//document.addEventListener('yt-update-title', handleYouTubeNavigation);
//document.addEventListener('yt-page-type-changed', handleYouTubeNavigation);
document.addEventListener('yt-service-request-completed', handleYouTubeNavigation); // for chrome
})();
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