@amplitude/experiment-js-client/dist/experiment-browser.min.js

Amplitude Experiment Javascript Client SDK

/* @amplitude/experiment-js-client v1.19.0 - For license info see https://app.unpkg.com/@amplitude/experiment-js-client@1.19.0/files/LICENSE */
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e)return{key:e,value:e};if("object"==typeof e){var t=e.key,r=e.value,i=e.payload,n=e.metadata,o=e.expKey;n&&n.experimentKey?o=n.experimentKey:o&&((n=n||{}).experimentKey=o);var a={};return t?a.key=t:r&&(a.key=r),r&&(a.value=r),n&&(a.metadata=n),i&&(a.payload=i),o&&(a.expKey=o),a}},Ye=function(){function e(){this.globalScope=we()}return e.prototype.get=function(e){var t;return null===(t=this.globalScope)||void 0===t?void 0:t.sessionStorage.getItem(e)},e.prototype.put=function(e,t){var r;null===(r=this.globalScope)||void 0===r||r.sessionStorage.setItem(e,t)},e.prototype.delete=function(e){var t;null===(t=this.globalScope)||void 0===t||t.sessionStorage.removeItem(e)},e}(),et=function(e){return null==e},tt=function(e){return!!et(e)||e&&0===Object.keys(e).length},rt=function(e){var t;return"local"===(null===(t=null==e?void 0:e.metadata)||void 0===t?void 0:t.evaluationMode)},it=function(){function 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t=i({},this.user.user_properties);return i(i({},this.user),{user_properties:t})}return i({},this.user)},t.prototype.setUser=function(e){var t;if(e)if(null===(t=this.user)||void 0===t?void 0:t.user_properties){var r=i({},e.user_properties);this.user=i(i({},e),{user_properties:r})}else this.user=i({},e);else this.user=null},t.prototype.getUserProvider=function(){return this.userProvider},t.prototype.setUserProvider=function(e){return this.userProvider=e,this},t.prototype.mergeInitialFlagsWithStorage=function(){var e=this;this.config.initialFlags&&JSON.parse(this.config.initialFlags).forEach((function(t){e.flags.get(t.key)||e.flags.put(t.key,t)}))},t.prototype.evaluate=function(e){var t,r,i=this.addContext(this.user),n=function(e,t){var r,i,n=f({},e),o=[],a=t||Object.keys(n);try{for(var s=p(a),u=s.next();!u.done;u=s.next()){var l=u.value,c=X(l,n);c&&o.push.apply(o,y([],v(c),!1))}}catch(e){r={error:e}}finally{try{u&&!u.done&&(i=s.return)&&i.call(s)}finally{if(r)throw r.error}}return o}(this.flags.getAll(),e),o=function(e){var t,r,i,n;if(!e)return{};var o={user:e},s=we();s&&(o.page={url:s.location.href});var u={};if(!e.groups)return o;try{for(var l=a(Object.keys(e.groups)),c=l.next();!c.done;c=l.next()){var f=c.value,h=e.groups[f];if(h.length>0&&h[0]){var d=h[0],p={group_name:d},v=null===(n=null===(i=e.group_properties)||void 0===i?void 0:i[f])||void 0===n?void 0:n[d];v&&Object.keys(v).length>0&&(p.group_properties=v),u[f]=p}}}catch(e){t={error:e}}finally{try{c&&!c.done&&(r=l.return)&&r.call(l)}finally{if(t)throw t.error}}return Object.keys(u).length>0&&(o.groups=u),delete o.user.groups,delete o.user.group_properties,o}(i),s=this.engine.evaluate(o,n),u={};try{for(var l=a(Object.keys(s)),c=l.next();!c.done;c=l.next()){var h=c.value;u[h]=ot(s[h])}}catch(e){t={error:e}}finally{try{c&&!c.done&&(r=l.return)&&r.call(l)}finally{if(t)throw t.error}}return u},t.prototype.variantAndSource=function(t,r){var i={};this.config.source===e.Source.LocalStorage?i=this.localStorageVariantAndSource(t,r):this.config.source===e.Source.InitialVariants&&(i=this.initialVariantsVariantAndSource(t,r));var n=this.flags.get(t);return(rt(n)||!i.variant&&n)&&(i=this.localEvaluationVariantAndSource(t,n,r)),i},t.prototype.localEvaluationVariantAndSource=function(e,t,r){var i,n={},o=this.evaluate([t.key])[e],a=Ne.LocalEvaluation,s=null===(i=null==o?void 0:o.metadata)||void 0===i?void 0:i.default;if(!et(o)&&!s)return{variant:nt(o),source:a,hasDefaultVariant:!1};if(s&&(n={variant:nt(o),source:a,hasDefaultVariant:!0}),!et(r))return{variant:nt(r),source:Ne.FallbackInline,hasDefaultVariant:n.hasDefaultVariant};var u=this.config.initialVariants[e];if(!et(u))return{variant:nt(u),source:Ne.SecondaryInitialVariants,hasDefaultVariant:n.hasDefaultVariant};var l=nt(this.config.fallbackVariant),c={variant:l,source:Ne.FallbackConfig,hasDefaultVariant:n.hasDefaultVariant};return tt(l)?n:c},t.prototype.localStorageVariantAndSource=function(e,t){var r,i={},n=this.variants.get(e),o=null===(r=null==n?void 0:n.metadata)||void 0===r?void 0:r.default;if(!et(n)&&!o)return{variant:nt(n),source:Ne.LocalStorage,hasDefaultVariant:!1};if(o&&(i={variant:nt(n),source:Ne.LocalStorage,hasDefaultVariant:!0}),!et(t))return{variant:nt(t),source:Ne.FallbackInline,hasDefaultVariant:i.hasDefaultVariant};var a=this.config.initialVariants[e];if(!et(a))return{variant:nt(a),source:Ne.SecondaryInitialVariants,hasDefaultVariant:i.hasDefaultVariant};var s=nt(this.config.fallbackVa