Support Enter for new line and Ctrl+Enter to send in various AI assistant web input boxes
// ==UserScript==
// @name EnterIt
// @name:zh-CN EnterIt
// @name:zh-TW EnterIt
// @namespace http://tampermonkey.net/
// @version 1.2.1
// @description Support Enter for new line and Ctrl+Enter to send in various AI assistant web input boxes
// @description:zh-CN 支持在各种 AI 助手网页端输入框按回车换行，Ctrl+回车发送
// @description:zh-TW 支援在各種 AI 助手網頁端輸入框，以 Enter 譜寫換行的詩篇，以 Ctrl+Enter 傳送命運的覺悟。
// @author Clover Yan
// @homepage https://www.khyan.top/
// @match https://chatgpt.com/*
// @match https://claude.ai/*
// @match https://gemini.google.com/*
// @match https://www.perplexity.ai/*
// @match https://chat.deepseek.com/*
// @match https://grok.com/*
// @match https://github.com/*
// @match https://notebooklm.google.com/*
// @match https://www.phind.com/*
// @match https://poe.com/*
// @match https://chat.mistral.ai/*
// @match https://you.com/*
// @match https://v0.dev/*
// @match https://copilot.microsoft.com/*
// @match https://m365.cloud.microsoft/*
// @match https://yuanbao.tencent.com/*
// @match https://www.doubao.com/*
// @match https://www.qianwen.com/*
// @match https://chat.qwen.ai/*
// @match https://yiyan.baidu.com/*
// @icon https://www.khyan.top/favicon.png
// @grant none
// @run-at document-start
// @license AGPL-3.0-or-later
// ==/UserScript==
(function () {
"use strict";
function replaceAll(str, search, replace) {
if (typeof str.replaceAll === "function") {
return str.replaceAll(search, replace);
}
return str.replace(
new RegExp(String(search).replace(/[.*+?^${}()|[\]\\]/g, "\\$&"), "g"),
replace,
);
}
function handleChatGPT(event) {
const isOnlyEnter =
event.code === "Enter" && !(event.ctrlKey || event.metaKey);
const isCtrlEnter = event.code === "Enter" && event.ctrlKey;
const isPromptTextarea = event.target.id === "prompt-textarea";
if (!event.isTrusted) return false;
if (isPromptTextarea && isOnlyEnter) {
event.preventDefault();
const newEvent = new KeyboardEvent("keydown", {
key: "Enter",
code: "Enter",
bubbles: true,
cancelable: true,
ctrlKey: false,
metaKey: false,
shiftKey: true,
});
event.target.dispatchEvent(newEvent);
return true;
} else if (isPromptTextarea && isCtrlEnter) {
event.preventDefault();
const newEvent = new KeyboardEvent("keydown", {
key: "Enter",
code: "Enter",
bubbles: true,
cancelable: true,
ctrlKey: false,
metaKey: true,
shiftKey: false,
});
event.target.dispatchEvent(newEvent);
return true;
} else if (event.target.tagName === "TEXTAREA" && isCtrlEnter) {
event.preventDefault();
const newEvent = new KeyboardEvent("keydown", {
key: "Enter",
code: "Enter",
bubbles: true,
cancelable: true,
ctrlKey: false,
metaKey: true,
shiftKey: false,
});
event.target.dispatchEvent(newEvent);
return true;
}
return false;
}
function shouldHandleCtrlEnter(url, event) {
if (url.startsWith("https://claude.ai")) {
return (
(event.target.tagName === "DIV" &&
event.target.contentEditable === "true") ||
event.target.tagName === "TEXTAREA"
);
} else if (url.startsWith("https://notebooklm.google.com")) {
return (
event.target.tagName === "TEXTAREA" &&
event.target.classList.contains("query-box-input")
);
} else if (url.startsWith("https://gemini.google.com")) {
return (
((event.target.tagName === "DIV" &&
event.target.classList.contains("ql-editor") &&
event.target.contentEditable === "true") ||
event.target.tagName === "TEXTAREA") &&
!(event.shiftKey && event.code === "Enter")
);
} else if (url.startsWith("https://www.phind.com")) {
return (
event.target.tagName === "DIV" &&
event.target.classList.contains("public-DraftEditor-content") &&
event.target.contentEditable === "true"
);
} else if (url.startsWith("https://chat.deepseek.com")) {
return event.target.tagName === "TEXTAREA";
} else if (url.startsWith("https://grok.com")) {
return (
event.target.tagName === "TEXTAREA" ||
(event.target.tagName === "DIV" &&
event.target.contentEditable === "true")
);
} else if (url.startsWith("https://github.com")) {
return (
event.target.getAttribute("placeholder") === "Ask Copilot" ||
event.target.getAttribute("placeholder") === "Ask anything" ||
event.target.getAttribute("id") === "copilot-chat-textarea"
);
} else if (url.startsWith("https://m365.cloud.microsoft/chat")) {
return event.target.id === "m365-chat-editor-target-element";
} else if (url.startsWith("https://www.perplexity.ai")) {
return (
event.target.tagName === "DIV" &&
event.target.contentEditable === "true" &&
event.target.id === "ask-input"
);
} else if (url.startsWith("https://yuanbao.tencent.com")) {
return (
event.target.tagName === "DIV" &&
event.target.classList.contains("ql-editor") &&
event.target.contentEditable === "true"
);
} else if (url.startsWith("https://yiyan.baidu.com")) {
return (
event.target.tagName === "DIV" &&
event.target.getAttribute("role") === "textbox" &&
event.target.contentEditable === "true"
);
}
return false;
}
function findNBLMSendButton() {
const submitButton = document.querySelector(
'query-box form button[type="submit"]',
);
if (submitButton) return submitButton;
return null;
}
function handleCustomInputs(event) {
const url = window.location.href;
if (event.isComposing) {
return false;
}
if (!shouldHandleCtrlEnter(url, event) || !event.isTrusted) {
return false;
}
const isOnlyEnter =
event.code === "Enter" && !(event.ctrlKey || event.metaKey);
const isCtrlEnter =
event.code === "Enter" && (event.ctrlKey || event.metaKey);
if (isOnlyEnter || isCtrlEnter) {
const preventDefaultSites = [
"https://claude.ai",
"https://www.phind.com",
"https://www.perplexity.ai",
"https://yuanbao.tencent.com",
];
if (preventDefaultSites.some((site) => url.startsWith(site))) {
event.preventDefault();
}
event.stopImmediatePropagation();
let eventConfig = {
key: "Enter",
code: "Enter",
bubbles: true,
cancelable: true,
shiftKey: isOnlyEnter,
};
if (url.startsWith("https://www.phind.com")) {
eventConfig.keyCode = 13;
}
if (url.startsWith("https://m365.cloud.microsoft/chat") && isCtrlEnter) {
eventConfig.keyCode = 13;
}
if (url.startsWith("https://chat.deepseek.com")) {
eventConfig.keyCode = 13;
eventConfig.composed = true;
}
if (url.startsWith("https://yiyan.baidu.com")) {
eventConfig.keyCode = 13;
}
const newEvent = new KeyboardEvent("keydown", eventConfig);
event.target.dispatchEvent(newEvent);
if (isCtrlEnter && url.startsWith("https://notebooklm.google.com")) {
const sendButton = findNBLMSendButton();
if (sendButton) {
sendButton.click();
}
}
if (
url.startsWith("https://claude.ai") &&
event.target.tagName === "TEXTAREA"
) {
if (isOnlyEnter) {
const textarea = event.target;
const start = textarea.selectionStart;
const end = textarea.selectionEnd;
const value = textarea.value;
textarea.value =
value.substring(0, start) + "\n" + value.substring(end);
textarea.selectionStart = textarea.selectionEnd = start + 1;
textarea.dispatchEvent(new Event("input", { bubbles: true }));
} else if (isCtrlEnter) {
const saveButton = document.querySelector('button[type="submit"]');
if (saveButton) {
saveButton.click();
}
}
}
return true;
}
return false;
}
function handleTextarea(event) {
if (event.target.tagName !== "TEXTAREA" || !event.isTrusted) {
return false;
}
const isOnlyEnter =
event.code === "Enter" && !(event.ctrlKey || event.metaKey);
if (isOnlyEnter) {
event.stopPropagation();
return true;
} else {
const isCtrlEnter =
event.code === "Enter" && (event.ctrlKey || event.metaKey);
if (isCtrlEnter) {
const preventCtrlEnterSites = ["https://www.qianwen.com"];
if (
preventCtrlEnterSites.some((site) =>
window.location.href.startsWith(site),
)
) {
event.preventDefault();
event.stopImmediatePropagation();
const newEvent = new KeyboardEvent("keydown", {
key: "Enter",
code: "Enter",
bubbles: true,
cancelable: true,
shiftKey: false,
});
event.target.dispatchEvent(newEvent);
return true;
}
}
}
return false;
}
function handleKeyDown(event) {
const url = window.location.href;
if (url.startsWith("https://chatgpt.com")) {
if (handleChatGPT(event)) return;
} else if (
url.startsWith("https://claude.ai") ||
url.startsWith("https://notebooklm.google.com") ||
url.startsWith("https://gemini.google.com") ||
url.startsWith("https://www.phind.com") ||
url.startsWith("https://chat.deepseek.com") ||
url.startsWith("https://github.com") ||
url.startsWith("https://grok.com") ||
url.startsWith("https://m365.cloud.microsoft") ||
url.startsWith("https://www.perplexity.ai") ||
url.startsWith("https://yuanbao.tencent.com") ||
url.startsWith("https://yiyan.baidu.com")
) {
if (handleCustomInputs(event)) return;
} else if (
url.startsWith("https://poe.com") ||
url.startsWith("https://chat.mistral.ai") ||
url.startsWith("https://you.com") ||
url.startsWith("https://v0.dev") ||
url.startsWith("https://copilot.microsoft.com") ||
url.startsWith("https://www.doubao.com") ||
url.startsWith("https://www.qianwen.com") ||
url.startsWith("https://chat.qwen.ai")
) {
if (handleTextarea(event)) return;
}
}
function fixPlaceholder(placeholderConfig) {
const editor = document.querySelector(placeholderConfig.selector);
if (!editor) {
return;
}
const placeholder = placeholderConfig.attribute
? editor.getAttribute(placeholderConfig.attribute)
: editor.innerText;
if (placeholder && placeholder.includes(placeholderConfig.searchString)) {
const newPlaceholder = replaceAll(
placeholder,
placeholderConfig.searchString,
placeholderConfig.replaceString,
);
if (placeholderConfig.attribute) {
editor.setAttribute(placeholderConfig.attribute, newPlaceholder);
} else {
editor.innerText = newPlaceholder;
}
}
}
function observePlaceholder() {
const url = window.location.href;
const placeholderConfig = [
[
"https://yuanbao.tencent.com",
{
attribute: "data-placeholder",
selector: '.ql-editor[contenteditable="true"]',
searchString: "shift+enter换行",
replaceString: "Enter 换行，Ctrl+Enter 发送",
},
],
[
"https://yiyan.baidu.com",
{
attribute: null,
selector: 'span[data-slate-placeholder="true"]',
searchString: "通过shift+回车换行",
replaceString: "通过回车换行，Ctrl+回车发送",
},
],
].find(([site]) => url.startsWith(site))?.[1];
if (!placeholderConfig) return;
let observer;
const setupObserver = () => {
if (observer) {
observer.disconnect();
}
observer = new MutationObserver(() => {
fixPlaceholder(placeholderConfig);
});
const observeOptions = {
childList: true,
subtree: true,
attributes: Boolean(placeholderConfig.attribute),
characterData: !placeholderConfig.attribute,
};
if (placeholderConfig.attribute) {
observeOptions.attributeFilter = [placeholderConfig.attribute];
}
observer.observe(document.body, observeOptions);
};
fixPlaceholder(placeholderConfig);
setupObserver();
}
document.addEventListener("keydown", handleKeyDown, { capture: true });
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", observePlaceholder);
} else {
observePlaceholder();
}
console.log("✅ EnterIt 已加载");
})();