2025/5/12 16:24:41
// ==UserScript==
// @name getJsEnv
// @namespace qchook
// @match *://*/*
// @grant none
// @version 1.0
// @author cthousand
// @license MIT
// @description 2025/5/12 16:24:41
// ==/UserScript==
!function () {
// 获取原型环境代码
getProtoEnvCode = function getProtoEnvCode(proto, instanceObj) {
// proto: 原型函数
// instanceObj: 实例对象, 可选参数
let code = "";
let protoName = proto.name;
// 添加注释
code += `// ${protoName}对象\r\n`;
// 定义原型
code += `${protoName} = function ${protoName}(){`;
try {
new proto;
} catch (e) {
code += `return yqvm.toolsFunc.throwError("${e.name}", "${e.message}")`;
}
code += `}\r\n`;
// 保护原型
code += `yqvm.toolsFunc.safeProto(${protoName}, "${protoName}");\r\n`;
// 设置原型链
let protoObj = proto.prototype;
let proto_protoName = Object.getPrototypeOf(protoObj)[Symbol.toStringTag];
if (proto_protoName !== undefined) {
code += `Object.setPrototypeOf(${protoName}.prototype, ${proto_protoName}.prototype);\r\n`;
}
// 设置原型的属性
for (const key in Object.getOwnPropertyDescriptors(proto)) {
if (key === "arguments" || key === "caller" || key === "length" || key === "name" || key === "prototype") {
continue;
}
let descriptor = getDescriptor(proto, key, protoName, protoName, instanceObj);
code += `yqvm.toolsFunc.defineProperty(${protoName}, "${key}", ${descriptor});\r\n`;
}
// 设置原型对象的属性
for (const key in Object.getOwnPropertyDescriptors(proto.prototype)) {
if (key === "constructor") {
continue;
}
let descriptor = getDescriptor(proto.prototype, key, `${protoName}.prototype`, protoName, instanceObj);
code += `yqvm.toolsFunc.defineProperty(${protoName}.prototype, "${key}", ${descriptor});\r\n`;
}
console.log(code);
copy(code);
// return code;
}
// 获取实例对象的环境代码
getObjEnvCode = function getObjEnvCode(obj, objName, instanceObj) {
let code = "";
// 添加注释
code += `// ${objName}对象\r\n`;
// 定义对象
code += `${objName} = {}\r\n`;
// 设置原型
let protoName = Object.getPrototypeOf(obj)[Symbol.toStringTag];
if (protoName !== undefined) {
code += `Object.setPrototypeOf(${objName}, ${protoName}.prototype);\r\n`;
}
for (const key in Object.getOwnPropertyDescriptors(obj)) {
let descriptor = getDescriptor(obj, key, objName, objName, instanceObj);
code += `yqvm.toolsFunc.defineProperty(${objName}, "${key}", ${descriptor});\r\n`;
}
console.log(code);
copy(code);
}
// 获取属性描述符
getDescriptor = function getDescriptor(obj, prop, objName, protoName, instanceObj) {
let descriptor = Object.getOwnPropertyDescriptor(obj, prop);
let configurable = descriptor.configurable;
let enumerable = descriptor.enumerable;
let code = `{configurable:${configurable}, enumerable:${enumerable}, `;
if (descriptor.hasOwnProperty("writable")) {
let writable = descriptor.writable;
code += `writable:${writable}, `;
}
if (descriptor.hasOwnProperty("value")) {
let value = descriptor.value;
if (value instanceof Object) {
if (typeof value === "function") {
code += `value:function (){return yqvm.toolsFunc.dispatch(this, ${objName}, "${protoName}", "${prop}", arguments)}`;
} else {
// 需要关注
console.log("需要额外关注", value);
// JSON.stringify(value);
code += `value:{}`
}
} else if (typeof value === 'symbol') {
code += `value:${value.toString()}`;
} else if (typeof value === "string") {
code += `value:"${value}"`;
} else {
code += `value:${value}`;
}
}
if (descriptor.hasOwnProperty("get")) {
let get = descriptor.get;
if (typeof get === "function") {
let defaultValue;
try {
defaultValue = get.call(instanceObj);
} catch (e) { }
if (defaultValue === undefined || defaultValue instanceof Object) {
code += `get:function (){return yqvm.toolsFunc.dispatch(this, ${objName}, "${protoName}", "${prop}_get", arguments)}, `;
} else {
if (typeof defaultValue === "string") {
code += `get:function (){return yqvm.toolsFunc.dispatch(this, ${objName}, "${protoName}", "${prop}_get", arguments, '${defaultValue}')}, `;
} else if (typeof value === 'symbol') {
code += `get:function (){return yqvm.toolsFunc.dispatch(this, ${objName}, "${protoName}", "${prop}_get", arguments, ${defaultValue.toString()})}, `;
} else {
code += `get:function (){return yqvm.toolsFunc.dispatch(this, ${objName}, "${protoName}", "${prop}_get", arguments, ${defaultValue})}, `;
}
}
} else {
code += `get:undefined, `
}
}
if (descriptor.hasOwnProperty("set")) {
let set = descriptor.set;
if (typeof set === "function") {
code += `set:function (){return yqvm.toolsFunc.dispatch(this, ${objName}, "${protoName}", "${prop}_set", arguments)}`;
} else {
code += `set:undefined`
}
}
code += '}';
return code;
}
}()