28 lines
15 KiB
Swift
28 lines
15 KiB
Swift
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//
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// PromisePolyfillJS.swift
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// flutter_inappwebview
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//
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// Created by Lorenzo Pichilli on 16/02/21.
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//
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import Foundation
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import WebKit
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let PROMISE_POLYFILL_JS_PLUGIN_SCRIPT_GROUP_NAME = "IN_APP_WEBVIEW_PROMISE_POLYFILL_JS_PLUGIN_SCRIPT"
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let PROMISE_POLYFILL_JS_PLUGIN_SCRIPT = PluginScript(
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groupName: PROMISE_POLYFILL_JS_PLUGIN_SCRIPT_GROUP_NAME,
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source: PROMISE_POLYFILL_JS_SOURCE,
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injectionTime: .atDocumentStart,
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forMainFrameOnly: false,
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requiredInAllContentWorlds: true,
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messageHandlerNames: [])
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// https://github.com/tildeio/rsvp.js
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let PROMISE_POLYFILL_JS_SOURCE = """
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if (window.Promise == null) {
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!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports):"function"==typeof define&&define.amd?define(["exports"],e):e(t.RSVP={})}(this,function(t){"use strict";function e(t){var e=t._promiseCallbacks;return e||(e=t._promiseCallbacks={}),e}var r={mixin:function(t){return t.on=this.on,t.off=this.off,t.trigger=this.trigger,t._promiseCallbacks=void 0,t},on:function(t,r){if("function"!=typeof r)throw new TypeError("Callback must be a function");var n=e(this),o=n[t];o||(o=n[t]=[]),-1===o.indexOf(r)&&o.push(r)},off:function(t,r){var n=e(this);if(r){var o=n[t],i=o.indexOf(r);-1!==i&&o.splice(i,1)}else n[t]=[]},trigger:function(t,r,n){var o=e(this)[t];if(o)for(var i=0;i<o.length;i++)(0,o[i])(r,n)}},n={instrument:!1};function o(t,e){if(2!==arguments.length)return n[t];n[t]=e}r.mixin(n);var i=[];function s(t,e,r){1===i.push({name:t,payload:{key:e._guidKey,id:e._id,eventName:t,detail:e._result,childId:r&&r._id,label:e._label,timeStamp:Date.now(),error:n["instrument-with-stack"]?new Error(e._label):null}})&&setTimeout(function(){for(var t=0;t<i.length;t++){var e=i[t],r=e.payload;r.guid=r.key+r.id,r.childGuid=r.key+r.childId,r.error&&(r.stack=r.error.stack),n.trigger(e.name,e.payload)}i.length=0},50)}function u(t,e){if(t&&"object"==typeof t&&t.constructor===this)return t;var r=new this(c,e);return m(r,t),r}function c(){}var a=void 0,f=1,l=2,h={error:null};function p(t){try{return t.then}catch(t){return h.error=t,h}}var y=void 0;function _(){try{var t=y;return y=null,t.apply(this,arguments)}catch(t){return h.error=t,h}}function v(t){return y=t,_}function d(t,e,r){if(e.constructor===t.constructor&&r===A&&t.constructor.resolve===u)!function(t,e){e._state===f?b(t,e._result):e._state===l?(e._onError=null,g(t,e._result)):j(e,void 0,function(r){e===r?b(t,r):m(t,r)},function(e){return g(t,e)})}(t,e);else if(r===h){var o=h.error;h.error=null,g(t,o)}else"function"==typeof r?function(t,e,r){n.async(function(t){var n=!1,o=v(r).call(e,function(r){n||(n=!0,e===r?b(t,r):m(t,r))},function(e){n||(n=!0,g(t,e))},"Settle: "+(t._label||" unknown promise"));if(!n&&o===h){n=!0;var i=h.error;h.error=null,g(t,i)}},t)}(t,e,r):b(t,e)}function m(t,e){var r,n;t===e?b(t,e):(n=typeof(r=e),null===r||"object"!==n&&"function"!==n?b(t,e):d(t,e,p(e)))}function w(t){t._onError&&t._onError(t._result),O(t)}function b(t,e){t._state===a&&(t._result=e,t._state=f,0===t._subscribers.length?n.instrument&&s("fulfilled",t):n.async(O,t))}function g(t,e){t._state===a&&(t._state=l,t._result=e,n.async(w,t))}function j(t,e,r,o){var i=t._subscribers,s=i.length;t._onError=null,i[s]=e,i[s+f]=r,i[s+l]=o,0===s&&t._state&&n.async(O,t)}function O(t){var e=t._subscribers,r=t._state;if(n.instrument&&s(r===f?"fulfilled":"rejected",t),0!==e.length){for(var o=void 0,i=void 0,u=t._result,c=0;c<e.length;c+=3)o=e[c],i=e[c+r],o?E(r,o,i,u):i(u);t._subscribers.length=0}}function E(t,e,r,n){var o="function"==typeof r,i=void 0;if(i=o?v(r)(n):n,e._state!==a);else if(i===e)g(e,new TypeError("A promises callback cannot return that same promise."));else if(i===h){var s=h.error;h.error=null,g(e,s)}else o?m(e,i):t===f?b(e,i):t===l&&g(e,i)}function A(t,e,r){var o=this._state;if(o===f&&!t||o===l&&!e)return n.instrument&&s("chained",this,this),this;this._onError=null;var i=new this.constructor(c,r),u=this._result;if(n.instrument&&s("chained",this,i),o===a)j(this,i,t,e);else{var h=o===f?t:e;n.async(function(){return E(o,i,h,u)})}return i}var T=function(){function t(t,e,r,n){this._instanceConstructor=t,this.promise=new t(c,n),this._abortOnReject=r,this._isUsingOwnPromise=t===k,this._isUsingOwnResolve=t.resolve===u,this._init.apply(this,arguments)}return t.prototype._init=function(t,e){var r=e.length||0;this.length=r,this._remaining=r,this._result=new Array(r),this._enumerate(e)},t.prototype._enumerate=function(t){for(var e=this.length,r=this.promise,n=0;r._state===a&&n<e;n++)this._eachEntry(t[n],n,!0);this._checkFullfillment()},t.prototype._checkFullfillment=function(){if(0===this._remaining){var t=this._result;b(this.promise,t),this._result=null}},t.prototype._settleMaybeThenable=functio
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window.Promise = RSVP.Promise;
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}
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"""
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