mirror of
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8 lines
3.5 KiB
JavaScript
8 lines
3.5 KiB
JavaScript
/*!
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* artplayer-tool-iframe.js v1.1.0
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* Github: https://github.com/zhw2590582/ArtPlayer
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* (c) 2017-2026 Harvey Zhao
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* Released under the MIT License.
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*/
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!function(e,t){"object"===typeof exports&&"undefined"!==typeof module?module.exports=t():"function"==typeof define&&define.amd?(e.ArtplayerToolIframe=t(),define(function(){return e.ArtplayerToolIframe})):(e="undefined"!==typeof globalThis?globalThis:e||self).ArtplayerToolIframe=t()}(this,function(){"use strict";const e=new WeakMap;let t=0;class s{static get iframe(){return window.top!==window}static postMessage({type:e,data:t,id:o=0}){if(!s.iframe)throw new Error('The "ArtplayerToolIframe.postMessage" method can only be used in iframe');window.parent.postMessage({type:e,data:t,id:o},"*")}static async onMessage(e){if(!s.iframe)throw new Error('The "ArtplayerToolIframe.onMessage" method can only be used in iframe');const{type:t,data:o,id:i}=e.data;if("commit"===t)try{if(o.match(/\bresolve\((.*?)\)/)){const e=`return new Promise(function(resolve){\n${o}\n})`,t=await new Function(e)();s.postMessage({type:"response",data:t,id:i})}else{const e=new Function(o)();s.postMessage({type:"response",data:e,id:i})}}catch(r){throw s.postMessage({type:"error",data:r.message,id:i}),r}}static inject(){if(!s.iframe)throw new Error('The "ArtplayerToolIframe.inject" method can only be used in iframe');s.postMessage({type:"inject"}),window.addEventListener("message",s.onMessage)}constructor({iframe:e,url:t}){if(e instanceof HTMLIFrameElement===!1)throw new TypeError('"option.iframe" needs to be a HTMLIFrameElement');if("string"!==typeof t)throw new TypeError('"option.url" needs to be a string');this.url=t,this.$iframe=e,this.promises={},this.injected=!1,this.destroyed=!1,this.messageCallback=()=>null,this.onMessage=this.onMessage.bind(this),window.addEventListener("message",this.onMessage),this.$iframe.src=this.url}onMessage(e){if(this.destroyed)return;const{type:t,data:s,id:o}=e.data;if("inject"===t)this.injected=!0;void 0!==o&&Object.prototype.hasOwnProperty.call(this.promises,o)&&this.promises[o]&&("error"===t?this.promises[o].reject(new Error(s)):this.promises[o].resove(s),delete this.promises[o]),this.messageCallback&&this.messageCallback({type:t,data:s})}postMessage(s){return function(s,{type:o,data:i}){return new Promise((r,n)=>{if(s.destroyed)return void n(new Error("The instance has been destroyed"));const a=e.get(s)||new Set;e.set(s,a);const d=t=>!!a.delete(t)&&(void 0!==t.timer&&clearTimeout(t.timer),void 0!==t.id&&delete s.promises[t.id],a.size||e.delete(s),!0),c={callbacks:{resove(e){d(c)&&r(e)},reject(e){d(c)&&n(e)}}};a.add(c);const l=()=>{if(c.timer=void 0,a.has(c))if(s.destroyed)c.callbacks.reject(new Error("The instance has been destroyed"));else try{if(s.injected){const e=Math.max(Date.now(),t+1);t=e,c.id=e,s.promises[e]=c.callbacks,s.$iframe.contentWindow.postMessage({type:o,data:i,id:e},"*")}else c.timer=setTimeout(l,200)}catch(e){c.callbacks.reject(e)}};l()})}(this,s)}commit(e){if("function"!==typeof e)throw new TypeError('"commit.callback" needs to be a function');const t=e.toString(),s=t.substring(t.indexOf("{")+1,t.lastIndexOf("}"));return this.postMessage({type:"commit",data:s})}message(e){if("function"!==typeof e)throw new TypeError('"message.callback" needs to be a function');this.messageCallback=e}destroy(){this.destroyed=!0,window.removeEventListener("message",this.onMessage),function(t){const s=e.get(t);if(s)for(const e of[...s])e.callbacks.reject(new Error("The instance has been destroyed"))}(this)}}return s});
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