// 暂时还在考虑的一种 window hook 方式。需要配合全局 ast 代码修改的方式 ;(function(){ var cache = {} function make_cache_hooker(obj, name){ if (name in cache){ return cache[name] } return cache[name] = new Proxy({}, { set: function(a,b,c){ return filter_log('set', b, c), window[b]=c }, get: function(a,b){ var r = obj[b] if (!(b == Symbol.unscopables || b == Symbol.toStringTag || b == Symbol.toPrimitive)){ filter_log(name, 'get', b, r) } return r }, }) } var filter_log = console.log function make_fake_window(){ if (window.globalThisWindow){ return window.globalThisWindow } var _win = {} function mainobj(b, r){ switch(b){ case 'window': case 'self': case 'top': case 'frames': // 这两个可能存在问题 case 'parent': // 这两个可能存在问题 case 'globalThis': r = win; break case 'clientInformation': r = make_cache_hooker(clientInformation, 'window.clientInformation'); break case 'crypto': r = make_cache_hooker(crypto, 'window.crypto'); break case 'customElements': r = make_cache_hooker(customElements, 'window.customElements'); break case 'document': r = make_cache_hooker(document, 'window.document'); break case 'external': r = make_cache_hooker(external, 'window.external'); break case 'history': r = make_cache_hooker(history, 'window.history'); break case 'indexedDB': r = make_cache_hooker(indexedDB, 'window.indexedDB'); break case 'localStorage': r = make_cache_hooker(localStorage, 'window.localStorage'); break case 'locationbar': r = make_cache_hooker(locationbar, 'window.locationbar'); break case 'menubar': r = make_cache_hooker(menubar, 'window.menubar'); break case 'navigator': r = make_cache_hooker(navigator, 'window.navigator'); break case 'performance': r = make_cache_hooker(performance, 'window.performance'); break case 'personalbar': r = make_cache_hooker(personalbar, 'window.personalbar'); break case 'screen': r = make_cache_hooker(screen, 'window.screen'); break case 'scrollbars': r = make_cache_hooker(scrollbars, 'window.scrollbars'); break case 'sessionStorage': r = make_cache_hooker(sessionStorage, 'window.sessionStorage'); break case 'statusbar': r = make_cache_hooker(statusbar, 'window.statusbar'); break case 'toolbar': r = make_cache_hooker(toolbar, 'window.toolbar'); break case 'trustedTypes': r = make_cache_hooker(trustedTypes, 'window.trustedTypes'); break case 'visualViewport': r = make_cache_hooker(visualViewport, 'window.visualViewport'); break case 'location': r = make_cache_hooker(location, 'window.location'); break default: r = window[b]; break } return r } var win = new Proxy(_win, { has: function(a,b){ return true }, set: function(a,b,c){ return filter_log('window set', b, c), window[b]=c }, get: function(a,b){ var r = mainobj(b) if (!(b == Symbol.unscopables || b == Symbol.toStringTag || b == Symbol.toPrimitive)){ filter_log('window', 'get', b, r) } return r }, }) var interceptor = new Proxy(_win, { has: function(a,b){ return true }, set: function(a,b,c){ return filter_log('window set', b, c), window[b]=c }, get: function(a,b){ if (!(b in window) && typeof b != 'symbol'){ throw ReferenceError(b + ' is not defined') } // win 和 interceptor 的区别在这里 var r = mainobj(b) if (!(b == Symbol.unscopables || b == Symbol.toStringTag || b == Symbol.toPrimitive)){ filter_log('window', 'get', b, r) } return r }, }) window.globalThisWindow = _win return Object.defineProperty(_win, 'v_run', {set:function(v){ v.call(win, interceptor) }}) } return make_fake_window() })().v_run = function(inter){ with (inter){ ///////////////////////////////////////// // 将需要被 window hook 的代码放在这里面 console.log(this == window) console.log(window.a) ///////////////////////////////////////// }},1