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@suchipi/jsxdom

Create DOM elements with a createElement-like jsx function

此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/477758/1267093/%40suchipijsxdom.js 

  1. // ==UserScript==
  2. // @name         @suchipi/jsxdom
  3. // @version      0.4.1
  4. // @description  Create DOM elements with a createElement-like jsx function
  5. // @author       Lily Skye
  6. // @grant        none
  7. // @license      MIT
  8. // ==/UserScript==
  9. (function () {
  10.   "use strict";
  11.  
  12.   const ref = (...args) => {
  13.     return { current: args.length > 0 ? args[0] : null };
  14.   };
  15.   const nodeFactory = (type, props) => {
  16.     if (typeof type !== "string") {
  17.       return document.createDocumentFragment();
  18.     }
  19.     const otherProps = Object.assign({}, props);
  20.     {
  21.       delete otherProps.style;
  22.       delete otherProps.ref;
  23.       delete otherProps.namespaceURI;
  24.       delete otherProps.children;
  25.       delete otherProps.tagName;
  26.     }
  27.     let node;
  28.     if (props.namespaceURI) {
  29.       node = document.createElementNS(props.namespaceURI, type);
  30.     } else {
  31.       node = document.createElement(type);
  32.     }
  33.     if (props.style != null) {
  34.       Object.assign(node.style, props.style);
  35.     }
  36.     if (props.ref != null) {
  37.       if (typeof props.ref === "function") {
  38.         props.ref.call(null, node);
  39.       } else {
  40.         props.ref.current = node;
  41.       }
  42.     }
  43.     Object.assign(node, otherProps);
  44.     return node;
  45.   };
  46.   const jsx = (type, ...args) => {
  47.     let rawProps = null;
  48.     let children = null;
  49.     if (typeof args[0] === "object" && args[0] != null) {
  50.       if (args[0] instanceof Node) {
  51.         children = args;
  52.       } else {
  53.         rawProps = args[0];
  54.         children = args.slice(1);
  55.       }
  56.     } else {
  57.       children = args;
  58.     }
  59.     children = children.flat(Infinity);
  60.     const props = rawProps || {};
  61.     props.children = children;
  62.     if (type === DocumentFragment || typeof type === "string") {
  63.       const node = nodeFactory(type, props);
  64.       for (const child of children) {
  65.         if (child == null) continue;
  66.         if (typeof child === "object") {
  67.           node.appendChild(child);
  68.         } else {
  69.           const textNode = document.createTextNode(String(child));
  70.           node.appendChild(textNode);
  71.         }
  72.       }
  73.       return node;
  74.     } else {
  75.       return type(props);
  76.     }
  77.   };
  78.   const createElement = jsx;
  79.   const Fragment = DocumentFragment;
  80.  
  81.   var jsxdom = /*#__PURE__*/ Object.freeze({
  82.     __proto__: null,
  83.     Fragment: Fragment,
  84.     createElement: createElement,
  85.     jsx: jsx,
  86.     nodeFactory: nodeFactory,
  87.     ref: ref,
  88.   });
  89.  
  90.   globalThis.jsxdom = jsxdom;
  91. })();

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