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给输入框和文本框添加一些额外功能
当前为
// ==UserScript==
// @name Editio
// @name:zh-CN Editio
// @namespace http://tampermonkey.net/
// @version 0.1.0
// @description Add some extra features to inputs and textareas
// @description:zh-CN 给输入框和文本框添加一些额外功能
// @tag productivity
// @author PRO-2684
// @match *://*/*
// @run-at document-start
// @icon https://github.com/PRO-2684/gadgets/raw/refs/heads/main/editio/editio.svg
// @license gpl-3.0
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_addValueChangeListener
// @require https://update.greasyfork.icu/scripts/470224/1459364/Tampermonkey%20Config.js
// ==/UserScript==
(function () {
const configDesc = {
"$default": {
autoClose: false
},
pairing: {
name: "🖇️ Pairing",
title: "Pairing brackets and quotes",
type: "folder",
items: {
autoClose: {
name: "➕ Auto close",
title: "Autoclose brackets and quotes (Similar to `editor.autoClosingBrackets` in VSCode)",
type: "bool",
value: true
},
autoDelete: {
name: "➖ Auto delete",
title: "Remove adjacent closing quotes or brackets (Similar to `editor.autoClosingDelete` in VSCode)",
type: "bool",
value: true
},
autoOvertype: {
name: "🚫 Auto overtype",
title: "Type over closing brackets - won't work for pairs with the same opening and closing characters (Similar to `editor.autoClosingOvertype` in VSCode)",
type: "bool",
value: false
},
pairs: {
name: "📜 Pairs",
title: "A list of characters that should be paired",
type: "str",
value: "()[]{}<>\"\"''``",
processor: (input) => {
if (input.length % 2 !== 0) {
throw new TypeError(`The length should be even, but got ${input.length}`);
}
return input;
}
}
}
}
};
const config = new GM_config(configDesc);
// Pairing
/**
* Pairs of characters we should consider.
* @type {Record<string, string>}
*/
let pairs = {};
/**
* Reverse pairs of characters.
* @type {Record<string, string>}
*/
let reversePairs = {};
/**
* Handle the InputEvent of type "insertText", so as to auto close and overtype on brackets and quotes
* @param {InputEvent} e The InputEvent.
*/
function onInsertText(e) {
/**
* The input or textarea element that triggered the event.
* @type {HTMLInputElement | HTMLTextAreaElement}
*/
const el = e.target;
const { selectionStart: start, selectionEnd: end, value } = el;
if ((e.data in pairs) && config.get("pairing.autoClose")) { // The input character is paired and autoClose feature is enabled
e.preventDefault();
e.stopImmediatePropagation();
const wrapped = `${e.data}${value.substring(start, end)}${pairs[e.data]}`;
document.execCommand("insertText", false, wrapped); // Wrap the selected text with the pair
el.setSelectionRange(start + 1, end + 1);
} else if ((e.data in reversePairs) && (start === end) && config.get("pairing.autoOvertype")) { // The input character is a closing one, nothing selected and autoOvertype feature is enabled
const charBefore = value.charAt(start - 1);
const charAfter = value.charAt(start);
if (charBefore === reversePairs[e.data] && charAfter === e.data) { // The character before the cursor is the respective opening one and the character after the cursor is the same as the input character
e.preventDefault();
e.stopImmediatePropagation();
el.setSelectionRange(start + 1, start + 1); // Move the cursor to the right
}
}
}
/**
* Handle the InputEvent of type "deleteContentBackward", so as to auto delete the adjacent right bracket or quote
* @param {InputEvent} e The InputEvent.
*/
function onBackspace(e) {
const el = e.target;
const { selectionStart: start, selectionEnd: end, value } = el;
if (start === end && start > 0 && end < value.length) {
const charBefore = value.charAt(start - 1);
const charAfter = value.charAt(start);
if (pairs[charBefore] === charAfter && config.get("pairing.autoDelete")) {
e.preventDefault();
e.stopImmediatePropagation();
el.setSelectionRange(start - 1, start + 1);
document.execCommand("delete");
}
}
}
/**
* Whether we should handle the InputEvent on the target.
* @param {HTMLElement} target The target element.
*/
function validTarget(target) {
// Only handle the InputEvent on input and textarea
return target instanceof HTMLInputElement || target instanceof HTMLTextAreaElement;
}
/**
* Handlers for different types of InputEvent.
* @type {Record<string, (e: InputEvent) => void>}
*/
const inputHandlers = {
"insertText": onInsertText,
"deleteContentBackward": onBackspace,
}
/**
* Handle the InputEvent.
* @param {InputEvent} e The InputEvent.
*/
function onInput(e) {
if (e.isComposing || e.defaultPrevented || !validTarget(e.target)) return;
const handler = inputHandlers[e.inputType];
if (handler) handler(e);
}
// Set up
document.addEventListener("beforeinput", onInput, { capture: false, passive: false });
/**
* Prop-specific handlers for config changes.
* @type {Record<string, (value: any) => void>}
*/
const configChangeHandlers = {
"pairing.pairs": (value) => {
pairs = {};
reversePairs = {};
for (let i = 0; i < value.length; i += 2) {
pairs[value.charAt(i)] = value.charAt(i + 1);
reversePairs[value.charAt(i + 1)] = value.charAt(i);
}
}
};
config.addEventListener("set", e => {
const handler = configChangeHandlers[e.detail.prop];
if (handler) handler(e.detail.after);
});
for (const [prop, handler] of Object.entries(configChangeHandlers)) {
handler(config.get(prop));
}
})();