mirror of
https://github.com/yeongpin/cursor-free-vip.git
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110 lines
3.9 KiB
JavaScript
110 lines
3.9 KiB
JavaScript
/*******************************************************************************
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uBlock Origin - a comprehensive, efficient content blocker
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Copyright (C) 2019-present Raymond Hill
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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import { registerScriptlet } from './base.js';
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/******************************************************************************/
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export function proxyApplyFn(
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target = '',
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handler = ''
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) {
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let context = globalThis;
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let prop = target;
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for (;;) {
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const pos = prop.indexOf('.');
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if ( pos === -1 ) { break; }
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context = context[prop.slice(0, pos)];
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if ( context instanceof Object === false ) { return; }
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prop = prop.slice(pos+1);
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}
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const fn = context[prop];
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if ( typeof fn !== 'function' ) { return; }
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if ( proxyApplyFn.CtorContext === undefined ) {
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proxyApplyFn.ctorContexts = [];
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proxyApplyFn.CtorContext = class {
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constructor(...args) {
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this.init(...args);
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}
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init(callFn, callArgs) {
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this.callFn = callFn;
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this.callArgs = callArgs;
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return this;
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}
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reflect() {
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const r = Reflect.construct(this.callFn, this.callArgs);
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this.callFn = this.callArgs = this.private = undefined;
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proxyApplyFn.ctorContexts.push(this);
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return r;
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}
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static factory(...args) {
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return proxyApplyFn.ctorContexts.length !== 0
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? proxyApplyFn.ctorContexts.pop().init(...args)
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: new proxyApplyFn.CtorContext(...args);
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}
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};
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proxyApplyFn.applyContexts = [];
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proxyApplyFn.ApplyContext = class {
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constructor(...args) {
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this.init(...args);
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}
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init(callFn, thisArg, callArgs) {
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this.callFn = callFn;
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this.thisArg = thisArg;
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this.callArgs = callArgs;
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return this;
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}
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reflect() {
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const r = Reflect.apply(this.callFn, this.thisArg, this.callArgs);
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this.callFn = this.thisArg = this.callArgs = this.private = undefined;
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proxyApplyFn.applyContexts.push(this);
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return r;
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}
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static factory(...args) {
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return proxyApplyFn.applyContexts.length !== 0
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? proxyApplyFn.applyContexts.pop().init(...args)
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: new proxyApplyFn.ApplyContext(...args);
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}
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};
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}
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const fnStr = fn.toString();
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const toString = (function toString() { return fnStr; }).bind(null);
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const proxyDetails = {
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apply(target, thisArg, args) {
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return handler(proxyApplyFn.ApplyContext.factory(target, thisArg, args));
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},
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get(target, prop) {
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if ( prop === 'toString' ) { return toString; }
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return Reflect.get(target, prop);
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},
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};
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if ( fn.prototype?.constructor === fn ) {
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proxyDetails.construct = function(target, args) {
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return handler(proxyApplyFn.CtorContext.factory(target, args));
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};
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}
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context[prop] = new Proxy(fn, proxyDetails);
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}
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registerScriptlet(proxyApplyFn, {
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name: 'proxy-apply.fn',
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});
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