growthbook-js-snippet.js

function t(t,e,r){return e in t?Object.defineProperty(t,e,{value:r,enumerable:!0,configurable:!0,writable:!0}):t[e]=r,t}const e="undefined"!=typeof window;class r{constructor(r){t(this,"_renderer",null),t(this,"_trackedExperiments",new Set),t(this,"debug",!1),t(this,"subscriptions",new Set),t(this,"assigned",new Map),this.context=r||{},e&&(window._growthbook=this)}subscribe(t){return this.subscriptions.add(t),()=>{this.subscriptions.delete(t)}}getAllResults(){return new Map(this.assigned)}destroy(){this.subscriptions.clear(),this.assigned.clear(),this._trackedExperiments.clear(),e&&window._growthbook===this&&delete window._growthbook}setRenderer(t){this._renderer=t}forceVariation(t,e){this.context&&(this.context.forcedVariations=this.context.forcedVariations||{},this.context.forcedVariations[t]=e,this._renderer&&this._renderer())}run(t){const e=this._run(t),r=this.assigned.get(t.key);return r&&r.result.inExperiment===e.inExperiment&&r.result.variationId===e.variationId||(this.assigned.set(t.key,{experiment:t,result:e}),this.subscriptions.forEach((r=>{try{r(t,e)}catch(t){console.error(t)}}))),e}_run(t){if(t.variations.length<2)return this.getResult(t);if(!1===this.context.enabled)return this.getResult(t);const e=function(t,e){if(!e)return null;const r=e.split("?")[1];if(!r)return null;const s=r.replace(/#.*/,"").split("&").map((t=>t.split("=",2))).filter((([e])=>e===t)).map((([,t])=>parseInt(t)));return s.length>0&&s[0]>=-1&&s[0]<10?s[0]:null}((t=this.mergeOverrides(t)).key,this.getContextUrl());if(null!==e)return this.getResult(t,e);if(this.context.forcedVariations&&t.key in this.context.forcedVariations)return this.getResult(t,this.context.forcedVariations[t.key]);if("draft"===t.status)return this.getResult(t);const{hashValue:r}=this.getHashAttribute(t);if(!r)return this.getResult(t);if(t.include&&!function(t){try{return t()}catch(t){return console.error(t),!1}}(t.include))return this.getResult(t);if(t.groups&&!this.hasGroupOverlap(t.groups))return this.getResult(t);if(t.url&&!this.urlIsValid(t.url))return this.getResult(t);if("force"in t)return this.getResult(t,t.force);if("stopped"===t.status)return this.getResult(t);if(this.context.qaMode)return this.getResult(t);const s=function(t,e){for(let r=0;r<e.length;r++)if(t>=e[r][0]&&t<e[r][1])return r;return-1}(function(t){let e=2166136261;const r=t.length;for(let s=0;s<r;s++)e^=t.charCodeAt(s),e+=(e<<1)+(e<<4)+(e<<7)+(e<<8)+(e<<24);return e>>>0}(r+t.key)%1e3/1e3,function(t,e=1,r){e<0?e=0:e>1&&(e=1);const s=new Array(t).fill(1/t);(r=r||s).length!==t&&(r=s);const i=r.reduce(((t,e)=>e+t),0);(i<.99||i>1.01)&&(r=s);let n=0;return r.map((t=>{const r=n;return n+=t,[r,r+e*t]}))}(t.variations.length,t.coverage||1,t.weights));if(s<0)return this.getResult(t);const i=this.getResult(t,s,!0);return this.track(t,i),i}log(t,e){this.debug&&console.log(t,e)}track(t,e){if(!this.context.trackingCallback)return;const r=e.hashAttribute+e.hashValue+t.key+e.variationId;if(!this._trackedExperiments.has(r)){this._trackedExperiments.add(r);try{this.context.trackingCallback(t,e)}catch(t){console.error(t)}}}mergeOverrides(t){const e=this.context.overrides;return e&&e[t.key]&&"string"==typeof(t=Object.assign({},t,e[t.key])).url&&(t.url=function(t){try{const e=t.replace(/([^\\])\//g,"$1\\/");return new RegExp(e)}catch(t){return void console.error(t)}}(t.url)),t}getHashAttribute(t){const e=t.hashAttribute||"id";return{hashAttribute:e,hashValue:this.context.user&&this.context.user[e]||""}}getResult(t,e=0,r=!1){(e<0||e>=t.variations.length)&&(e=0);const{hashAttribute:s,hashValue:i}=this.getHashAttribute(t);return{inExperiment:r,variationId:e,value:t.variations[e],hashAttribute:s,hashValue:i}}getContextUrl(){return this.context.url||(e?window.location.href:"")}urlIsValid(t){const e=this.getContextUrl();if(!e)return!1;const r=e.replace(/^https?:\/\//,"").replace(/^[^/]*\//,"/");return!!t.test(e)||!!t.test(r)}hasGroupOverlap(t){const e=this.context.groups||{};for(let r=0;r<t.length;r++)if(e[t[r]])return!0;return!1}};
window.GrowthBook = r;