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@harnessio/ff-javascript-client-sdk - npm Package Compare versions

Comparing version 1.29.0-rc.1 to 1.29.0

4

dist/index.d.ts

@@ -1,4 +0,4 @@

import type { Evaluation, EventOffBinding, EventOnBinding, Options, Result, StreamEvent, Target, VariationValue } from './types';
import type { Evaluation, EventOffBinding, EventOnBinding, Options, Result, StreamEvent, Target, VariationValue, DefaultVariationEventPayload } from './types';
import { Event } from './types';
declare const initialize: (apiKey: string, target: Target, options?: Options) => Result;
export { initialize, Options, Target, StreamEvent, Event, EventOnBinding, EventOffBinding, Result, Evaluation, VariationValue };
export { initialize, Options, Target, StreamEvent, Event, EventOnBinding, EventOffBinding, Result, Evaluation, VariationValue, DefaultVariationEventPayload };

4

dist/sdk.cjs.js

@@ -1,2 +0,2 @@

var Ae=Object.create;var F=Object.defineProperty,Te=Object.defineProperties,we=Object.getOwnPropertyDescriptor,Oe=Object.getOwnPropertyDescriptors,De=Object.getOwnPropertyNames,ne=Object.getOwnPropertySymbols,Pe=Object.getPrototypeOf,ae=Object.prototype.hasOwnProperty,Fe=Object.prototype.propertyIsEnumerable;var re=(n,e,r)=>e in n?F(n,e,{enumerable:!0,configurable:!0,writable:!0,value:r}):n[e]=r,C=(n,e)=>{for(var r in e||(e={}))ae.call(e,r)&&re(n,r,e[r]);if(ne)for(var r of ne(e))Fe.call(e,r)&&re(n,r,e[r]);return n},U=(n,e)=>Te(n,Oe(e));var xe=(n,e)=>{for(var r in e)F(n,r,{get:e[r],enumerable:!0})},oe=(n,e,r,s)=>{if(e&&typeof e=="object"||typeof e=="function")for(let a of De(e))!ae.call(n,a)&&a!==r&&F(n,a,{get:()=>e[a],enumerable:!(s=we(e,a))||s.enumerable});return n};var se=(n,e,r)=>(r=n!=null?Ae(Pe(n)):{},oe(e||!n||!n.__esModule?F(r,"default",{value:n,enumerable:!0}):r,n)),Me=n=>oe(F({},"__esModule",{value:!0}),n);var E=(n,e,r)=>new Promise((s,a)=>{var l=R=>{try{p(r.next(R))}catch(u){a(u)}},m=R=>{try{p(r.throw(R))}catch(u){a(u)}},p=R=>R.done?s(R.value):Promise.resolve(R.value).then(l,m);p((r=r.apply(n,e)).next())});var Ke={};xe(Ke,{Event:()=>P,initialize:()=>Ue});module.exports=Me(Ke);var he=se(require("jwt-decode")),me=se(require("mitt"));var P=(g=>(g.READY="ready",g.CONNECTED="connected",g.DISCONNECTED="disconnected",g.STOPPED="stopped",g.POLLING="polling",g.POLLING_STOPPED="polling stopped",g.FLAGS_LOADED="flags loaded",g.CACHE_LOADED="cache loaded",g.CHANGED="changed",g.ERROR="error",g.ERROR_CACHE="cache error",g.ERROR_METRICS="metrics error",g.ERROR_AUTH="auth error",g.ERROR_FETCH_FLAGS="fetch flags error",g.ERROR_FETCH_FLAG="fetch flag error",g.ERROR_STREAM="stream error",g.ERROR_DEFAULT_VARIATION_RETURNED="default variation returned",g))(P||{});var Ne={debug:!1,baseUrl:"https://config.ff.harness.io/api/1.0",eventUrl:"https://events.ff.harness.io/api/1.0",eventsSyncInterval:6e4,pollingInterval:6e4,streamEnabled:!0,cache:!1,authRequestReadTimeout:0,maxStreamRetries:1/0},le=n=>{let e=C(C({},Ne),n);return e.pollingEnabled===void 0&&(e.pollingEnabled=e.streamEnabled),e.eventsSyncInterval<6e4&&(e.eventsSyncInterval=6e4),e.pollingInterval<6e4&&(e.pollingInterval=6e4),(!e.logger||!e.logger.debug||!e.logger.error||!e.logger.info||!e.logger.warn)&&(e.logger=console),e},K=(n,e=!0)=>{e?setTimeout(n,0):n()},V=(n,e)=>Math.round(Math.random()*(e-n)+n),ce=n=>{let e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",r="",s=0,a=Ve(JSON.stringify(n));for(;s<a.length;){let l=a.charCodeAt(s++),m=a.charCodeAt(s++),p=a.charCodeAt(s++),R=l>>2,u=(l&3)<<4|m>>4,S=(m&15)<<2|p>>6,A=p&63;isNaN(m)?S=A=64:isNaN(p)&&(A=64),r+=e.charAt(R)+e.charAt(u)+e.charAt(S)+e.charAt(A)}return r},Ve=n=>n.replace(/\r\n/g,`
`).split("").map(e=>{let r=e.charCodeAt(0);return r<128?String.fromCharCode(r):r>127&&r<2048?String.fromCharCode(r>>6|192)+String.fromCharCode(r&63|128):String.fromCharCode(r>>12|224)+String.fromCharCode(r>>6&63|128)+String.fromCharCode(r&63|128)}).join("");function j(n){return function(...r){let[s,a]=n(r);return fetch(s,a)}}var ue=3e4,_=class{constructor(e,r,s,a,l,m,p,R,u,S){this.eventBus=e;this.configurations=r;this.url=s;this.apiKey=a;this.standardHeaders=l;this.fallbackPoller=m;this.logDebug=p;this.logError=R;this.eventCallback=u;this.maxRetries=S;this.closed=!1;this.connectionOpened=!1;this.disconnectEventEmitted=!1;this.reconnectAttempts=0;this.retriesExhausted=!1}start(){let e=u=>{u.toString().split(/\r?\n/).forEach(r)},r=u=>{if(u.startsWith("data:")){let S=JSON.parse(u.substring(5));this.logDebugMessage("Received event from stream: ",S),this.eventCallback(S)}},s=()=>{this.logDebugMessage("Stream connected"),this.eventBus.emit("connected"),this.reconnectAttempts=0},a=()=>{clearInterval(this.readTimeoutCheckerId);let u=V(1e3,1e4);if(this.reconnectAttempts++,this.logDebugMessage("Stream disconnected, will reconnect in "+u+"ms"),this.disconnectEventEmitted||(this.eventBus.emit("disconnected"),this.disconnectEventEmitted=!0),this.reconnectAttempts>=5&&this.reconnectAttempts%5===0&&this.logErrorMessage(`Reconnection failed after ${this.reconnectAttempts} attempts; attempting further reconnections.`),this.reconnectAttempts>=this.maxRetries){this.retriesExhausted=!0,this.configurations.pollingEnabled?this.logErrorMessage("Max streaming retries reached. Staying in polling mode."):this.logErrorMessage("Max streaming retries reached. Polling mode is disabled and will receive no further flag updates until SDK client is restarted.");return}setTimeout(()=>this.start(),u)},l=u=>{this.retriesExhausted||(u&&this.logDebugMessage("Stream has issue",u),this.fallBackToPolling(),this.eventBus.emit("stream error",u),this.eventBus.emit("error",u),a())},m=C({"Cache-Control":"no-cache",Accept:"text/event-stream","API-Key":this.apiKey},this.standardHeaders);this.logDebugMessage("SSE HTTP start request",this.url),this.xhr=new XMLHttpRequest,this.xhr.open("GET",this.url);for(let[u,S]of Object.entries(m))this.xhr.setRequestHeader(u,S);this.xhr.timeout=24*60*60*1e3,this.xhr.onerror=()=>{this.connectionOpened=!1,l("XMLHttpRequest error on SSE stream")},this.xhr.onabort=()=>{this.connectionOpened=!1,this.logDebugMessage("SSE aborted"),this.closed||l(null)},this.xhr.ontimeout=()=>{this.connectionOpened=!1,l("SSE timeout")},this.xhr.onload=()=>{l(`Received XMLHttpRequest onLoad event: ${this.xhr.status}`)};let p=0,R=Date.now();this.xhr.onprogress=()=>{this.connectionOpened||(s(),this.connectionOpened=!0,this.disconnectEventEmitted=!1),this.stopFallBackPolling(),R=Date.now();let u=this.xhr.responseText.slice(p);p+=u.length,this.logDebugMessage("SSE GOT: "+u),e(u)},this.readTimeoutCheckerId=setInterval(()=>{R<Date.now()-ue&&(this.logDebugMessage("SSE read timeout"),this.xhr.abort())},ue),this.xhr.send()}close(){this.connectionOpened=!1,this.closed=!0,this.xhr&&this.xhr.abort(),clearInterval(this.readTimeoutCheckerId),this.eventBus.emit("stopped"),this.stopFallBackPolling()}fallBackToPolling(){!this.fallbackPoller.isPolling()&&this.configurations.pollingEnabled&&(this.logDebugMessage("Falling back to polling mode while stream recovers"),this.fallbackPoller.start())}stopFallBackPolling(){this.fallbackPoller.isPolling()&&(this.logDebugMessage("Stopping fallback polling mode"),this.fallbackPoller.stop())}logDebugMessage(e,...r){this.configurations.debug&&this.logDebug(`Streaming: ${e}`,...r)}logErrorMessage(e,...r){this.logError(`Streaming: ${e}`,...r)}};function ge(n,e,r,s,a,l){let m=n in r,p=m?r[n]:e;return m?s(n,p):a.emit("default variation returned",{flag:n,valueReturned:e}),l?{value:p,isDefaultValue:!m}:p}var x=class{constructor(e,r,s,a,l){this.fetchFlagsFn=e;this.configurations=r;this.eventBus=s;this.logDebug=a;this.logError=l;this.maxAttempts=5}start(){if(this.isPolling()){this.logDebugMessage("Already polling.");return}this.isRunning=!0,this.eventBus.emit("polling"),this.logDebugMessage(`Starting poller, first poll will be in ${this.configurations.pollingInterval}ms`),this.timeoutId=setTimeout(()=>this.poll(),this.configurations.pollingInterval)}poll(){this.isRunning&&this.attemptFetch().finally(()=>{this.isRunning&&(this.timeoutId=setTimeout(()=>this.poll(),this.configurations.pollingInterval))})}attemptFetch(){return E(this,null,function*(){for(let e=1;e<=this.maxAttempts;e++){let r=yield this.fetchFlagsFn();if(r.type==="success"){this.logDebugMessage(`Successfully polled for flag updates, next poll in ${this.configurations.pollingInterval}ms. `);return}if(this.logErrorMessage("Error when polling for flag updates",r.error),e>=this.maxAttempts){this.logDebugMessage(`Maximum attempts reached for polling for flags. Next poll in ${this.configurations.pollingInterval}ms.`);return}this.logDebugMessage(`Polling for flags attempt #${e} failed. Remaining attempts: ${this.maxAttempts-e}`,r.error);let s=V(1e3,1e4);yield new Promise(a=>setTimeout(a,s))}})}stop(){this.timeoutId&&(this.isRunning=!1,clearTimeout(this.timeoutId),this.timeoutId=void 0,this.eventBus.emit("polling stopped"),this.logDebugMessage("Polling stopped"))}isPolling(){return this.isRunning}logDebugMessage(e,...r){this.configurations.debug&&this.logDebug(`Poller: ${e}`,...r)}logErrorMessage(e,...r){this.logError(`Poller: ${e}`,...r)}};function de(r){return E(this,arguments,function*(n,e={}){let s=yield He(n),a=$e(e);return{loadFromCache:()=>W(s,a,e),saveToCache:l=>J(s,a,l),updateCachedEvaluation:l=>ke(s,a,l),removeCachedEvaluation:l=>Le(s,a,l)}})}function W(s,a){return E(this,arguments,function*(n,e,r={}){let l=parseInt(yield e.getItem(n+".ts"));if(r!=null&&r.ttl&&!isNaN(l)&&l+r.ttl<Date.now())return yield _e(n,e),[];let m=yield e.getItem(n);if(m)try{return JSON.parse(m)}catch(p){}return[]})}function _e(n,e){return E(this,null,function*(){yield 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n.storage)||!("removeItem"in n.storage)?globalThis.localStorage?e=globalThis.localStorage:globalThis.sessionStorage?e=globalThis.sessionStorage:e=Ge:e=n.storage,{getItem(s){return E(this,null,function*(){let a=e.getItem(s);return a instanceof Promise?yield a:a})},setItem(s,a){return E(this,null,function*(){let l=e.setItem(s,a);l instanceof Promise&&(yield l)})},removeItem(s){return E(this,null,function*(){let a=e.removeItem(s);a instanceof Promise&&(yield a)})}}}var Ge={getItem:()=>null,setItem:()=>{},removeItem:()=>{}};var ve="1.26.1",fe=`Javascript ${ve} Client`,qe=500,Be=globalThis.fetch,Y=!!globalThis.Proxy,Ue=(n,e,r)=>{let s=!1,a,l,m,p,R,u,S=!0,A={},M=j(t=>t),X=0,z=!1,k=()=>{S=!1},L=()=>{S=!0},g=[],f=(0,me.default)(),v=le(r),b=(t,...i)=>{v.debug&&v.logger.debug(`[FF-SDK] ${t}`,...i)},T=(t,...i)=>{v.logger.error(`[FF-SDK] ${t}`,...i)},pe=(t,...i)=>{v.logger.warn(`[FF-SDK] ${t}`,...i)},H=t=>{let{value:i}=t;try{switch(t.kind.toLowerCase()){case"int":case"number":i=Number(i);break;case"boolean":i=i.toString().toLowerCase()==="true";break;case"json":i=JSON.parse(i);break}}catch(c){T(c)}return i},$=t=>{if(S){let i=Date.now();i-t.lastAccessed>qe&&(t.count++,t.lastAccessed=i)}},Ee=()=>E(void 0,null,function*(){if(v.cache){b("initializing cache");try{let t=!0,i=yield de(e.identifier+n,typeof v.cache=="boolean"?{}:v.cache),c=yield i.loadFromCache();c!=null&&c.length&&K(()=>{b("loading from cache",c),te(c,!1),f.emit("cache loaded",c)}),B("flags loaded",h=>E(void 0,null,function*(){yield i.saveToCache(h),t=!1})),B("changed",h=>E(void 0,null,function*(){t||(h.deleted?yield i.removeCachedEvaluation(h.flag):yield i.updateCachedEvaluation(h))}))}catch(t){T("Cache error: ",t),f.emit("cache error",t),f.emit("error",t)}}}),Re=(t,i)=>E(void 0,null,function*(){let c=`${i.baseUrl}/client/auth`,h={method:"POST",headers:{"Content-Type":"application/json","Harness-SDK-Info":fe},body:JSON.stringify({apiKey:t,target:U(C({},e),{identifier:String(e.identifier)})})},y,o;window.AbortController&&v.authRequestReadTimeout>0?(o=new AbortController,h.signal=o.signal,y=window.setTimeout(()=>o.abort(),i.authRequestReadTimeout)):i.authRequestReadTimeout>0&&pe("AbortController is not available, auth request will not timeout");try{let d=yield Be(c,h);if(!d.ok)throw new Error(`${d.status}: ${d.statusText}`);return(yield d.json()).authToken}catch(d){if(o&&o.signal.aborted)throw new Error(`Request to ${c} failed: Request timeout via configured authRequestTimeout of ${v.authRequestReadTimeout}`);let O=d instanceof Error?d.message:String(d);throw new Error(`Request to ${c} failed: ${O}`)}finally{y&&clearTimeout(y)}}),G=0,q=()=>{if(g.length){b("Sending metrics...",{metrics:g,evaluations:I});let t={metricsData:g.map(i=>({timestamp:Date.now(),count:i.count,metricsType:"FFMETRICS",attributes:[{key:"featureIdentifier",value:i.featureIdentifier},{key:"featureName",value:i.featureIdentifier},{key:"variationIdentifier",value:i.variationIdentifier},{key:"target",value:e.identifier},{key:"SDK_NAME",value:"JavaScript"},{key:"SDK_LANGUAGE",value:"JavaScript"},{key:"SDK_TYPE",value:"client"},{key:"SDK_VERSION",value:ve}]}))};M(`${v.eventUrl}/metrics/${a}?cluster=${l}`,{method:"POST",headers:C({"Content-Type":"application/json"},A),body:JSON.stringify(t)}).then(()=>{g=[],G=0}).catch(i=>{G++&&(g=[],G=0),b(i),f.emit("metrics error",i)}).finally(()=>{u=window.setTimeout(q,v.eventsSyncInterval)})}else u=window.setTimeout(q,v.eventsSyncInterval)},I={},be=t=>{b("Sending event for",t.flag),Y?f.emit("changed",new Proxy(t,{get(i,c){var h;if(S&&i.hasOwnProperty(c)&&c==="value"){let y=i.flag,o=t.value,d=g.find(O=>O.featureIdentifier===y&&O.featureValue===o);d?($(d),d.variationIdentifier=((h=I[y])==null?void 0:h.identifier)||""):g.push({featureIdentifier:y,featureValue:String(o),variationIdentifier:I[y].identifier||"",count:1,lastAccessed:Date.now()}),b("Metrics event: Flag",c,"has been read with value via stream update",o)}return c==="value"?H(t):t[c]}})):f.emit("changed",{deleted:t.deleted,flag:t.flag,value:H(t)})},Q=function(){return Y?new Proxy({},{get(t,i){var h,y,o;let c=t[i];if(S&&t.hasOwnProperty(i)){let d=t[i],O=g.find(ie=>ie.featureIdentifier===i&&d===ie.featureValue);O?(O.variationIdentifier=((h=I[i])==null?void 0:h.identifier)||"",$(O)):g.push({featureIdentifier:i,featureValue:d,variationIdentifier:((y=I[i])==null?void 0:y.identifier)||"",count:1,lastAccessed:Date.now()}),b("Metrics event: Flag:",i,"has been read with value:",d,"variationIdentifier:",(o=I[i])==null?void 0:o.identifier)}return c}}):{}},w=Q();Ee().then(()=>Re(n,v).then(t=>E(void 0,null,function*(){if(s)return;R=t;let i=(0,he.default)(t);A={Authorization:`Bearer ${R}`,"Harness-AccountID":i.accountID,"Harness-EnvironmentID":i.environmentIdentifier,"Harness-SDK-Info":fe};let c=ce(e);c.length<262144&&(A["Harness-Target"]=c),b("Authenticated",i),u=window.setTimeout(q,v.eventsSyncInterval),a=i.environment,l=i.clusterIdentifier;let h=!!Object.keys(I).length;if((yield N()).type==="success"&&b("Fetch all flags ok",w),!s){if(v.streamEnabled?(b("Streaming mode enabled"),ye()):v.pollingEnabled?(b("Polling mode enabled"),Se()):b("Streaming and polling mode disabled"),!h){k();let o=C({},w);L(),f.emit("ready",o)}z=!0}})).catch(t=>{T("Authentication error: ",t),f.emit("auth error",t),f.emit("error",t)}));let N=()=>E(void 0,null,function*(){try{let t=yield M(`${v.baseUrl}/client/env/${a}/target/${e.identifier}/evaluations?cluster=${l}`,{headers:A});if(t.ok){let i=yield t.json();return i.forEach(D),f.emit("flags loaded",i),{type:"success",data:i}}else return T("Features fetch operation error: ",t),f.emit("fetch flags error",t),f.emit("error",t),{type:"error",error:t}}catch(t){return T("Features fetch operation error: ",t),f.emit("fetch flags error",t),f.emit("error",t),{type:"error",error:t}}}),Z=t=>E(void 0,null,function*(){try{let i=yield M(`${v.baseUrl}/client/env/${a}/target/${e.identifier}/evaluations/${t}?cluster=${l}`,{headers:A});if(i.ok){let c=yield i.json();D(c)}else T("Feature fetch operation error: ",i),f.emit("fetch flag error",i),f.emit("error",i)}catch(i){T("Feature fetch operation error: ",i),f.emit("fetch flag error",i),f.emit("error",i)}}),D=t=>{k();let i=H(t);i!==w[t.flag]&&(b("Flag variation has changed for ",t.identifier),w[t.flag]=i,I[t.flag]=U(C({},t),{value:i}),be(t)),L()};p=new x(N,v,f,b,T);let ye=()=>{let t=o=>{switch(o.event){case"create":c(o.evaluations)?o.evaluations.forEach(d=>{D(d)}):setTimeout(()=>Z(o.identifier),1e3);break;case"patch":c(o.evaluations)?o.evaluations.forEach(d=>{D(d)}):Z(o.identifier);break;case"delete":delete w[o.identifier],f.emit("changed",{flag:o.identifier,value:void 0,deleted:!0}),b("Evaluation deleted",{message:o,storage:w});break}},i=o=>!(!o||!o.flag||!o.identifier||!o.kind||!o.value),c=o=>!(!o||o.length==0||!o.every(d=>i(d))),h=o=>{o.event==="patch"&&(c(o.evaluations)?o.evaluations.forEach(d=>{D(d)}):N())},y=`${v.baseUrl}/stream?cluster=${l}`;m=new _(f,v,y,n,A,p,b,T,o=>{o.domain==="flag"?t(o):o.domain==="target-segment"&&h(o)},v.maxStreamRetries),m.start()},Se=()=>{p.start()},B=(t,i)=>f.on(t,i),Ie=(t,i)=>{t?f.off(t,i):ee()},Ce=(t,i)=>{var o;if(!S||Y||i===void 0)return;let c=i,h=t,y=g.find(d=>d.featureIdentifier===h&&d.featureValue===c);y?($(y),y.variationIdentifier=((o=I[h])==null?void 0:o.identifier)||""):g.push({featureIdentifier:h,featureValue:c,count:1,variationIdentifier:I[h].identifier||"",lastAccessed:Date.now()})},ee=()=>{s=!0,v.streamEnabled&&(b("Closing event stream"),typeof(m==null?void 0:m.close)=="function"&&m.close(),f.all.clear()),v.pollingEnabled&&p.isPolling()&&(b("Closing Poller"),p.stop()),w=Q(),I={},clearTimeout(u)},te=(t,i=!0)=>{t.length&&K(()=>{let c=!!Object.keys(I).length;if(t.forEach(D),!c){k();let h=C({},w);L(),f.emit("ready",h)}},i)};return{on:B,off:Ie,close:ee,setEvaluations:te,registerAPIRequestMiddleware:t=>{M=j(t)},refreshEvaluations:()=>{z&&!s&&Date.now()-X>=6e4&&(N(),X=Date.now())},variation:(t,i,c=!1)=>ge(t,i,w,Ce,f,c)}};0&&(module.exports={Event,initialize});
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4

dist/sdk.client-iife.js

@@ -1,2 +0,2 @@

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4

dist/sdk.client.js

@@ -1,2 +0,2 @@

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T[s.identifier],h.emit("changed",{flag:s.identifier,value:void 0,deleted:!0}),b("Evaluation deleted",{message:s,storage:T});break}},r=s=>!(!s||!s.flag||!s.identifier||!s.kind||!s.value),c=s=>!(!s||s.length==0||!s.every(f=>r(f))),m=s=>{s.event==="patch"&&(c(s.evaluations)?s.evaluations.forEach(f=>{D(f)}):M())},y=`${p.baseUrl}/stream?cluster=${l}`;g=new V(h,p,y,t,C,v,b,A,s=>{s.domain==="flag"?n(s):s.domain==="target-segment"&&m(s)},p.maxStreamRetries),g.start()},ye=()=>{v.start()},B=(n,r)=>h.on(n,r),Se=(n,r)=>{n?h.off(n,r):te()},Ie=(n,r)=>{var s;if(!S||X||r===void 0)return;let c=r,m=n,y=d.find(f=>f.featureIdentifier===m&&f.featureValue===c);y?($(y),y.variationIdentifier=((s=I[m])==null?void 0:s.identifier)||""):d.push({featureIdentifier:m,featureValue:c,count:1,variationIdentifier:I[m].identifier||"",lastAccessed:Date.now()})},te=()=>{a=!0,p.streamEnabled&&(b("Closing event stream"),typeof(g==null?void 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t.storage)||!("removeItem"in t.storage)?globalThis.localStorage?e=globalThis.localStorage:globalThis.sessionStorage?e=globalThis.sessionStorage:e=Le:e=t.storage,{getItem(a){return E(this,null,function*(){let o=e.getItem(a);return o instanceof Promise?yield o:o})},setItem(a,o){return E(this,null,function*(){let l=e.setItem(a,o);l instanceof Promise&&(yield l)})},removeItem(a){return E(this,null,function*(){let o=e.removeItem(a);o instanceof Promise&&(yield o)})}}}var Le={getItem:()=>null,setItem:()=>{},removeItem:()=>{}};var me="1.26.1",he=`Javascript ${me} Client`,He=500,$e=globalThis.fetch,X=!!globalThis.Proxy,St=(t,e,i)=>{let a=!1,o,l,g,v,R,u,S=!0,C={},F=W(n=>n),z=0,Q=!1,_=()=>{S=!1},L=()=>{S=!0},d=[],h=le(),p=ce(i),b=(n,...r)=>{p.debug&&p.logger.debug(`[FF-SDK] ${n}`,...r)},A=(n,...r)=>{p.logger.error(`[FF-SDK] ${n}`,...r)},pe=(n,...r)=>{p.logger.warn(`[FF-SDK] ${n}`,...r)},H=n=>{let{value:r}=n;try{switch(n.kind.toLowerCase()){case"int":case"number":r=Number(r);break;case"boolean":r=r.toString().toLowerCase()==="true";break;case"json":r=JSON.parse(r);break}}catch(c){A(c)}return r},$=n=>{if(S){let r=Date.now();r-n.lastAccessed>He&&(n.count++,n.lastAccessed=r)}},ve=()=>E(void 0,null,function*(){if(p.cache){b("initializing cache");try{let n=!0,r=yield fe(e.identifier+t,typeof p.cache=="boolean"?{}:p.cache),c=yield r.loadFromCache();c!=null&&c.length&&j(()=>{b("loading from cache",c),ie(c,!1),h.emit("cache loaded",c)}),B("flags loaded",m=>E(void 0,null,function*(){yield r.saveToCache(m),n=!1})),B("changed",m=>E(void 0,null,function*(){n||(m.deleted?yield r.removeCachedEvaluation(m.flag):yield r.updateCachedEvaluation(m))}))}catch(n){A("Cache error: ",n),h.emit("cache error",n),h.emit("error",n)}}}),Ee=(n,r)=>E(void 0,null,function*(){let c=`${r.baseUrl}/client/auth`,m={method:"POST",headers:{"Content-Type":"application/json","Harness-SDK-Info":he},body:JSON.stringify({apiKey:n,target:U(w({},e),{identifier:String(e.identifier)})})},y,s;window.AbortController&&p.authRequestReadTimeout>0?(s=new AbortController,m.signal=s.signal,y=window.setTimeout(()=>s.abort(),r.authRequestReadTimeout)):r.authRequestReadTimeout>0&&pe("AbortController is not available, auth request will not timeout");try{let f=yield $e(c,m);if(!f.ok)throw new Error(`${f.status}: ${f.statusText}`);return(yield f.json()).authToken}catch(f){if(s&&s.signal.aborted)throw new Error(`Request to ${c} failed: Request timeout via configured authRequestTimeout of ${p.authRequestReadTimeout}`);let D=f instanceof Error?f.message:String(f);throw new Error(`Request to ${c} failed: ${D}`)}finally{y&&clearTimeout(y)}}),G=0,q=()=>{if(d.length){b("Sending metrics...",{metrics:d,evaluations:I});let n={metricsData:d.map(r=>({timestamp:Date.now(),count:r.count,metricsType:"FFMETRICS",attributes:[{key:"featureIdentifier",value:r.featureIdentifier},{key:"featureName",value:r.featureIdentifier},{key:"variationIdentifier",value:r.variationIdentifier},{key:"target",value:e.identifier},{key:"SDK_NAME",value:"JavaScript"},{key:"SDK_LANGUAGE",value:"JavaScript"},{key:"SDK_TYPE",value:"client"},{key:"SDK_VERSION",value:me}]}))};F(`${p.eventUrl}/metrics/${o}?cluster=${l}`,{method:"POST",headers:w({"Content-Type":"application/json"},C),body:JSON.stringify(n)}).then(()=>{d=[],G=0}).catch(r=>{G++&&(d=[],G=0),b(r),h.emit("metrics error",r)}).finally(()=>{u=window.setTimeout(q,p.eventsSyncInterval)})}else u=window.setTimeout(q,p.eventsSyncInterval)},I={},Re=n=>{b("Sending event for",n.flag),X?h.emit("changed",new Proxy(n,{get(r,c){var m;if(S&&r.hasOwnProperty(c)&&c==="value"){let y=r.flag,s=n.value,f=d.find(D=>D.featureIdentifier===y&&D.featureValue===s);f?($(f),f.variationIdentifier=((m=I[y])==null?void 0:m.identifier)||""):d.push({featureIdentifier:y,featureValue:String(s),variationIdentifier:I[y].identifier||"",count:1,lastAccessed:Date.now()}),b("Metrics event: Flag",c,"has been read with value via stream update",s)}return c==="value"?H(n):n[c]}})):h.emit("changed",{deleted:n.deleted,flag:n.flag,value:H(n)})},Z=function(){return X?new Proxy({},{get(n,r){var m,y,s;let c=n[r];if(S&&n.hasOwnProperty(r)){let f=n[r],D=d.find(ne=>ne.featureIdentifier===r&&f===ne.featureValue);D?(D.variationIdentifier=((m=I[r])==null?void 0:m.identifier)||"",$(D)):d.push({featureIdentifier:r,featureValue:f,variationIdentifier:((y=I[r])==null?void 0:y.identifier)||"",count:1,lastAccessed:Date.now()}),b("Metrics event: Flag:",r,"has been read with value:",f,"variationIdentifier:",(s=I[r])==null?void 0:s.identifier)}return c}}):{}},T=Z();ve().then(()=>Ee(t,p).then(n=>E(void 0,null,function*(){if(a)return;R=n;let r=se(n);C={Authorization:`Bearer ${R}`,"Harness-AccountID":r.accountID,"Harness-EnvironmentID":r.environmentIdentifier,"Harness-SDK-Info":he};let c=ue(e);c.length<262144&&(C["Harness-Target"]=c),b("Authenticated",r),u=window.setTimeout(q,p.eventsSyncInterval),o=r.environment,l=r.clusterIdentifier;let m=!!Object.keys(I).length;if((yield M()).type==="success"&&b("Fetch all flags ok",T),!a){if(p.streamEnabled?(b("Streaming mode enabled"),be()):p.pollingEnabled?(b("Polling mode enabled"),ye()):b("Streaming and polling mode disabled"),!m){_();let s=w({},T);L(),h.emit("ready",s)}Q=!0}})).catch(n=>{A("Authentication error: ",n),h.emit("auth error",n),h.emit("error",n)}));let M=()=>E(void 0,null,function*(){try{let n=yield F(`${p.baseUrl}/client/env/${o}/target/${e.identifier}/evaluations?cluster=${l}`,{headers:C});if(n.ok){let r=yield n.json();return r.forEach(O),h.emit("flags loaded",r),{type:"success",data:r}}else return A("Features fetch operation error: ",n),h.emit("fetch flags error",n),h.emit("error",n),{type:"error",error:n}}catch(n){return A("Features fetch operation error: ",n),h.emit("fetch flags error",n),h.emit("error",n),{type:"error",error:n}}}),ee=n=>E(void 0,null,function*(){try{let r=yield F(`${p.baseUrl}/client/env/${o}/target/${e.identifier}/evaluations/${n}?cluster=${l}`,{headers:C});if(r.ok){let c=yield r.json();O(c)}else A("Feature fetch operation error: ",r),h.emit("fetch flag error",r),h.emit("error",r)}catch(r){A("Feature fetch operation error: ",r),h.emit("fetch flag error",r),h.emit("error",r)}}),O=n=>{_();let r=H(n);r!==T[n.flag]&&(b("Flag variation has changed for ",n.identifier),T[n.flag]=r,I[n.flag]=U(w({},n),{value:r}),Re(n)),L()};v=new x(M,p,h,b,A);let be=()=>{let n=s=>{switch(s.event){case"create":c(s.evaluations)?s.evaluations.forEach(f=>{O(f)}):setTimeout(()=>ee(s.identifier),1e3);break;case"patch":c(s.evaluations)?s.evaluations.forEach(f=>{O(f)}):ee(s.identifier);break;case"delete":delete T[s.identifier],h.emit("changed",{flag:s.identifier,value:void 0,deleted:!0}),b("Evaluation deleted",{message:s,storage:T});break}},r=s=>!(!s||!s.flag||!s.identifier||!s.kind||!s.value),c=s=>!(!s||s.length==0||!s.every(f=>r(f))),m=s=>{s.event==="patch"&&(c(s.evaluations)?s.evaluations.forEach(f=>{O(f)}):M())},y=`${p.baseUrl}/stream?cluster=${l}`;g=new k(h,p,y,t,C,v,b,A,s=>{s.domain==="flag"?n(s):s.domain==="target-segment"&&m(s)},p.maxStreamRetries),g.start()},ye=()=>{v.start()},B=(n,r)=>h.on(n,r),Se=(n,r)=>{n?h.off(n,r):te()},Ie=(n,r)=>{var s;if(!S||X||r===void 0)return;let c=r,m=n,y=d.find(f=>f.featureIdentifier===m&&f.featureValue===c);y?($(y),y.variationIdentifier=((s=I[m])==null?void 0:s.identifier)||""):d.push({featureIdentifier:m,featureValue:c,count:1,variationIdentifier:I[m].identifier||"",lastAccessed:Date.now()})},te=()=>{a=!0,p.streamEnabled&&(b("Closing event stream"),typeof(g==null?void 0:g.close)=="function"&&g.close(),h.all.clear()),p.pollingEnabled&&v.isPolling()&&(b("Closing Poller"),v.stop()),T=Z(),I={},clearTimeout(u)},ie=(n,r=!0)=>{n.length&&j(()=>{let c=!!Object.keys(I).length;if(n.forEach(O),!c){_();let m=w({},T);L(),h.emit("ready",m)}},r)};return{on:B,off:Se,close:te,setEvaluations:ie,registerAPIRequestMiddleware:n=>{F=W(n)},refreshEvaluations:()=>{Q&&!a&&Date.now()-z>=6e4&&(M(),z=Date.now())},variation:(n,r,c=!1)=>ge(n,r,T,Ie,h,c)}};export{P as Event,St as initialize};

4

dist/sdk.esm.js

@@ -1,2 +0,2 @@

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c=`${i.baseUrl}/client/auth`,h={method:"POST",headers:{"Content-Type":"application/json","Harness-SDK-Info":ce},body:JSON.stringify({apiKey:t,target:B(C({},e),{identifier:String(e.identifier)})})},y,a;window.AbortController&&v.authRequestReadTimeout>0?(a=new AbortController,h.signal=a.signal,y=window.setTimeout(()=>a.abort(),i.authRequestReadTimeout)):i.authRequestReadTimeout>0&&ge("AbortController is not available, auth request will not timeout");try{let d=yield Ve(c,h);if(!d.ok)throw new Error(`${d.status}: ${d.statusText}`);return(yield d.json()).authToken}catch(d){if(a&&a.signal.aborted)throw new Error(`Request to ${c} failed: Request timeout via configured authRequestTimeout of ${v.authRequestReadTimeout}`);let O=d instanceof Error?d.message:String(d);throw new Error(`Request to ${c} failed: ${O}`)}finally{y&&clearTimeout(y)}}),$=0,G=()=>{if(g.length){b("Sending metrics...",{metrics:g,evaluations:I});let 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0,null,function*(){if(o)return;R=t;let i=xe(t);A={Authorization:`Bearer ${R}`,"Harness-AccountID":i.accountID,"Harness-EnvironmentID":i.environmentIdentifier,"Harness-SDK-Info":ce};let c=ae(e);c.length<262144&&(A["Harness-Target"]=c),b("Authenticated",i),u=window.setTimeout(G,v.eventsSyncInterval),s=i.environment,l=i.clusterIdentifier;let h=!!Object.keys(I).length;if((yield M()).type==="success"&&b("Fetch all flags ok",w),!o){if(v.streamEnabled?(b("Streaming mode enabled"),me()):v.pollingEnabled?(b("Polling mode enabled"),ve()):b("Streaming and polling mode disabled"),!h){_();let a=C({},w);k(),f.emit("ready",a)}X=!0}})).catch(t=>{T("Authentication error: ",t),f.emit("auth error",t),f.emit("error",t)}));let M=()=>E(void 0,null,function*(){try{let t=yield x(`${v.baseUrl}/client/env/${s}/target/${e.identifier}/evaluations?cluster=${l}`,{headers:A});if(t.ok){let i=yield t.json();return i.forEach(D),f.emit("flags loaded",i),{type:"success",data:i}}else return T("Features fetch operation error: ",t),f.emit("fetch flags error",t),f.emit("error",t),{type:"error",error:t}}catch(t){return T("Features fetch operation error: ",t),f.emit("fetch flags error",t),f.emit("error",t),{type:"error",error:t}}}),Q=t=>E(void 0,null,function*(){try{let i=yield x(`${v.baseUrl}/client/env/${s}/target/${e.identifier}/evaluations/${t}?cluster=${l}`,{headers:A});if(i.ok){let c=yield i.json();D(c)}else T("Feature fetch operation error: ",i),f.emit("fetch flag error",i),f.emit("error",i)}catch(i){T("Feature fetch operation error: ",i),f.emit("fetch flag error",i),f.emit("error",i)}}),D=t=>{_();let i=L(t);i!==w[t.flag]&&(b("Flag variation has changed for ",t.identifier),w[t.flag]=i,I[t.flag]=B(C({},t),{value:i}),he(t)),k()};p=new F(M,v,f,b,T);let me=()=>{let t=a=>{switch(a.event){case"create":c(a.evaluations)?a.evaluations.forEach(d=>{D(d)}):setTimeout(()=>Q(a.identifier),1e3);break;case"patch":c(a.evaluations)?a.evaluations.forEach(d=>{D(d)}):Q(a.identifier);break;case"delete":delete w[a.identifier],f.emit("changed",{flag:a.identifier,value:void 0,deleted:!0}),b("Evaluation deleted",{message:a,storage:w});break}},i=a=>!(!a||!a.flag||!a.identifier||!a.kind||!a.value),c=a=>!(!a||a.length==0||!a.every(d=>i(d))),h=a=>{a.event==="patch"&&(c(a.evaluations)?a.evaluations.forEach(d=>{D(d)}):M())},y=`${v.baseUrl}/stream?cluster=${l}`;m=new V(f,v,y,r,A,p,b,T,a=>{a.domain==="flag"?t(a):a.domain==="target-segment"&&h(a)},v.maxStreamRetries),m.start()},ve=()=>{p.start()},q=(t,i)=>f.on(t,i),pe=(t,i)=>{t?f.off(t,i):Z()},Ee=(t,i)=>{var a;if(!S||J||i===void 0)return;let c=i,h=t,y=g.find(d=>d.featureIdentifier===h&&d.featureValue===c);y?(H(y),y.variationIdentifier=((a=I[h])==null?void 0:a.identifier)||""):g.push({featureIdentifier:h,featureValue:c,count:1,variationIdentifier:I[h].identifier||"",lastAccessed:Date.now()})},Z=()=>{o=!0,v.streamEnabled&&(b("Closing event stream"),typeof(m==null?void 0:m.close)=="function"&&m.close(),f.all.clear()),v.pollingEnabled&&p.isPolling()&&(b("Closing Poller"),p.stop()),w=z(),I={},clearTimeout(u)},ee=(t,i=!0)=>{t.length&&U(()=>{let c=!!Object.keys(I).length;if(t.forEach(D),!c){_();let h=C({},w);k(),f.emit("ready",h)}},i)};return{on:q,off:pe,close:Z,setEvaluations:ee,registerAPIRequestMiddleware:t=>{x=K(t)},refreshEvaluations:()=>{X&&!o&&Date.now()-Y>=6e4&&(M(),Y=Date.now())},variation:(t,i,c=!1)=>se(t,i,w,Ee,f,c)}};export{P as Event,mt as initialize};
var Re=Object.defineProperty,be=Object.defineProperties;var ye=Object.getOwnPropertyDescriptors;var ie=Object.getOwnPropertySymbols;var Se=Object.prototype.hasOwnProperty,Ie=Object.prototype.propertyIsEnumerable;var ne=(a,e,n)=>e in a?Re(a,e,{enumerable:!0,configurable:!0,writable:!0,value:n}):a[e]=n,C=(a,e)=>{for(var n in e||(e={}))Se.call(e,n)&&ne(a,n,e[n]);if(ie)for(var n of ie(e))Ie.call(e,n)&&ne(a,n,e[n]);return a},B=(a,e)=>be(a,ye(e));var E=(a,e,n)=>new Promise((o,s)=>{var l=R=>{try{p(n.next(R))}catch(u){s(u)}},m=R=>{try{p(n.throw(R))}catch(u){s(u)}},p=R=>R.done?o(R.value):Promise.resolve(R.value).then(l,m);p((n=n.apply(a,e)).next())});import xe from"jwt-decode";import Me from"mitt";var P=(d=>(d.READY="ready",d.CONNECTED="connected",d.DISCONNECTED="disconnected",d.STOPPED="stopped",d.POLLING="polling",d.POLLING_STOPPED="polling stopped",d.FLAGS_LOADED="flags loaded",d.CACHE_LOADED="cache loaded",d.CHANGED="changed",d.ERROR="error",d.ERROR_CACHE="cache error",d.ERROR_METRICS="metrics error",d.ERROR_AUTH="auth error",d.ERROR_FETCH_FLAGS="fetch flags error",d.ERROR_FETCH_FLAG="fetch flag error",d.ERROR_STREAM="stream error",d.ERROR_DEFAULT_VARIATION_RETURNED="default variation returned",d))(P||{});var Ce={debug:!1,baseUrl:"https://config.ff.harness.io/api/1.0",eventUrl:"https://events.ff.harness.io/api/1.0",eventsSyncInterval:6e4,pollingInterval:6e4,streamEnabled:!0,cache:!1,authRequestReadTimeout:0,maxStreamRetries:1/0},ae=a=>{let e=C(C({},Ce),a);return e.pollingEnabled===void 0&&(e.pollingEnabled=e.streamEnabled),e.eventsSyncInterval<6e4&&(e.eventsSyncInterval=6e4),e.pollingInterval<6e4&&(e.pollingInterval=6e4),(!e.logger||!e.logger.debug||!e.logger.error||!e.logger.info||!e.logger.warn)&&(e.logger=console),e},U=(a,e=!0)=>{e?setTimeout(a,0):a()},N=(a,e)=>Math.round(Math.random()*(e-a)+a),re=a=>{let e="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",n="",o=0,s=Ae(JSON.stringify(a));for(;o<s.length;){let l=s.charCodeAt(o++),m=s.charCodeAt(o++),p=s.charCodeAt(o++),R=l>>2,u=(l&3)<<4|m>>4,S=(m&15)<<2|p>>6,A=p&63;isNaN(m)?S=A=64:isNaN(p)&&(A=64),n+=e.charAt(R)+e.charAt(u)+e.charAt(S)+e.charAt(A)}return n},Ae=a=>a.replace(/\r\n/g,`
`).split("").map(e=>{let n=e.charCodeAt(0);return n<128?String.fromCharCode(n):n>127&&n<2048?String.fromCharCode(n>>6|192)+String.fromCharCode(n&63|128):String.fromCharCode(n>>12|224)+String.fromCharCode(n>>6&63|128)+String.fromCharCode(n&63|128)}).join("");function K(a){return function(...n){let[o,s]=a(n);return fetch(o,s)}}var oe=3e4,V=class{constructor(e,n,o,s,l,m,p,R,u,S){this.eventBus=e;this.configurations=n;this.url=o;this.apiKey=s;this.standardHeaders=l;this.fallbackPoller=m;this.logDebug=p;this.logError=R;this.eventCallback=u;this.maxRetries=S;this.closed=!1;this.connectionOpened=!1;this.disconnectEventEmitted=!1;this.reconnectAttempts=0;this.retriesExhausted=!1}start(){let e=u=>{u.toString().split(/\r?\n/).forEach(n)},n=u=>{if(u.startsWith("data:")){let S=JSON.parse(u.substring(5));this.logDebugMessage("Received event from stream: ",S),this.eventCallback(S)}},o=()=>{this.logDebugMessage("Stream connected"),this.eventBus.emit("connected"),this.reconnectAttempts=0},s=()=>{clearInterval(this.readTimeoutCheckerId);let u=N(1e3,1e4);if(this.reconnectAttempts++,this.logDebugMessage("Stream disconnected, will reconnect in "+u+"ms"),this.disconnectEventEmitted||(this.eventBus.emit("disconnected"),this.disconnectEventEmitted=!0),this.reconnectAttempts>=5&&this.reconnectAttempts%5===0&&this.logErrorMessage(`Reconnection failed after ${this.reconnectAttempts} attempts; attempting further reconnections.`),this.reconnectAttempts>=this.maxRetries){this.retriesExhausted=!0,this.configurations.pollingEnabled?this.logErrorMessage("Max streaming retries reached. Staying in polling mode."):this.logErrorMessage("Max streaming retries reached. Polling mode is disabled and will receive no further flag updates until SDK client is restarted.");return}setTimeout(()=>this.start(),u)},l=u=>{this.retriesExhausted||(u&&this.logDebugMessage("Stream has issue",u),this.fallBackToPolling(),this.eventBus.emit("stream error",u),this.eventBus.emit("error",u),s())},m=C({"Cache-Control":"no-cache",Accept:"text/event-stream","API-Key":this.apiKey},this.standardHeaders);this.logDebugMessage("SSE HTTP start request",this.url),this.xhr=new XMLHttpRequest,this.xhr.open("GET",this.url);for(let[u,S]of Object.entries(m))this.xhr.setRequestHeader(u,S);this.xhr.timeout=24*60*60*1e3,this.xhr.onerror=()=>{this.connectionOpened=!1,l("XMLHttpRequest error on SSE stream")},this.xhr.onabort=()=>{this.connectionOpened=!1,this.logDebugMessage("SSE aborted"),this.closed||l(null)},this.xhr.ontimeout=()=>{this.connectionOpened=!1,l("SSE timeout")},this.xhr.onload=()=>{l(`Received XMLHttpRequest onLoad event: ${this.xhr.status}`)};let p=0,R=Date.now();this.xhr.onprogress=()=>{this.connectionOpened||(o(),this.connectionOpened=!0,this.disconnectEventEmitted=!1),this.stopFallBackPolling(),R=Date.now();let u=this.xhr.responseText.slice(p);p+=u.length,this.logDebugMessage("SSE GOT: "+u),e(u)},this.readTimeoutCheckerId=setInterval(()=>{R<Date.now()-oe&&(this.logDebugMessage("SSE read timeout"),this.xhr.abort())},oe),this.xhr.send()}close(){this.connectionOpened=!1,this.closed=!0,this.xhr&&this.xhr.abort(),clearInterval(this.readTimeoutCheckerId),this.eventBus.emit("stopped"),this.stopFallBackPolling()}fallBackToPolling(){!this.fallbackPoller.isPolling()&&this.configurations.pollingEnabled&&(this.logDebugMessage("Falling back to polling mode while stream recovers"),this.fallbackPoller.start())}stopFallBackPolling(){this.fallbackPoller.isPolling()&&(this.logDebugMessage("Stopping fallback polling mode"),this.fallbackPoller.stop())}logDebugMessage(e,...n){this.configurations.debug&&this.logDebug(`Streaming: ${e}`,...n)}logErrorMessage(e,...n){this.logError(`Streaming: ${e}`,...n)}};function se(a,e,n,o,s,l){let m=a in n,p=m?n[a]:e;if(m)o(a,p);else{let R={flag:a,defaultVariation:e};s.emit("default variation returned",R)}return l?{value:p,isDefaultValue:!m}:p}var F=class{constructor(e,n,o,s,l){this.fetchFlagsFn=e;this.configurations=n;this.eventBus=o;this.logDebug=s;this.logError=l;this.maxAttempts=5}start(){if(this.isPolling()){this.logDebugMessage("Already polling.");return}this.isRunning=!0,this.eventBus.emit("polling"),this.logDebugMessage(`Starting poller, first poll will be in ${this.configurations.pollingInterval}ms`),this.timeoutId=setTimeout(()=>this.poll(),this.configurations.pollingInterval)}poll(){this.isRunning&&this.attemptFetch().finally(()=>{this.isRunning&&(this.timeoutId=setTimeout(()=>this.poll(),this.configurations.pollingInterval))})}attemptFetch(){return E(this,null,function*(){for(let e=1;e<=this.maxAttempts;e++){let n=yield this.fetchFlagsFn();if(n.type==="success"){this.logDebugMessage(`Successfully polled for flag updates, next poll in ${this.configurations.pollingInterval}ms. `);return}if(this.logErrorMessage("Error when polling for flag updates",n.error),e>=this.maxAttempts){this.logDebugMessage(`Maximum attempts reached for polling for flags. Next poll in ${this.configurations.pollingInterval}ms.`);return}this.logDebugMessage(`Polling for flags attempt #${e} failed. Remaining attempts: ${this.maxAttempts-e}`,n.error);let o=N(1e3,1e4);yield new Promise(s=>setTimeout(s,o))}})}stop(){this.timeoutId&&(this.isRunning=!1,clearTimeout(this.timeoutId),this.timeoutId=void 0,this.eventBus.emit("polling stopped"),this.logDebugMessage("Polling stopped"))}isPolling(){return this.isRunning}logDebugMessage(e,...n){this.configurations.debug&&this.logDebug(`Poller: ${e}`,...n)}logErrorMessage(e,...n){this.logError(`Poller: ${e}`,...n)}};function le(n){return E(this,arguments,function*(a,e={}){let o=yield Oe(a),s=Pe(e);return{loadFromCache:()=>j(o,s,e),saveToCache:l=>W(o,s,l),updateCachedEvaluation:l=>we(o,s,l),removeCachedEvaluation:l=>De(o,s,l)}})}function j(o,s){return E(this,arguments,function*(a,e,n={}){let l=parseInt(yield e.getItem(a+".ts"));if(n!=null&&n.ttl&&!isNaN(l)&&l+n.ttl<Date.now())return yield Te(a,e),[];let m=yield e.getItem(a);if(m)try{return JSON.parse(m)}catch(p){}return[]})}function Te(a,e){return E(this,null,function*(){yield e.removeItem(a),yield e.removeItem(a+".ts")})}function W(a,e,n){return E(this,null,function*(){yield e.setItem(a,JSON.stringify(n)),yield e.setItem(a+".ts",Date.now().toString())})}function we(a,e,n){return E(this,null,function*(){let o=yield j(a,e),s=o.find(({flag:l})=>l===n.flag);s?Object.assign(s,n):o.push(n),yield W(a,e,o)})}function De(a,e,n){return E(this,null,function*(){let o=yield j(a,e),s=o.findIndex(({flag:l})=>l===n);s>-1&&(o.splice(s,1),yield W(a,e,o))})}function Oe(a){return E(this,null,function*(){var n,o;let e=a;if(globalThis!=null&&globalThis.TextEncoder&&((o=(n=globalThis==null?void 0:globalThis.crypto)==null?void 0:n.subtle)!=null&&o.digest)){let l=new TextEncoder().encode(a),m=yield crypto.subtle.digest("SHA-256",l);e=Array.from(new Uint8Array(m)).map(R=>R.toString(16).padStart(2,"0")).join("")}else globalThis.btoa&&(e=btoa(a));return"HARNESS_FF_CACHE_"+e})}function Pe(a){let e;return!a.storage||typeof a.storage!="object"||!("getItem"in a.storage)||!("setItem"in a.storage)||!("removeItem"in a.storage)?globalThis.localStorage?e=globalThis.localStorage:globalThis.sessionStorage?e=globalThis.sessionStorage:e=Fe:e=a.storage,{getItem(o){return E(this,null,function*(){let s=e.getItem(o);return s instanceof Promise?yield s:s})},setItem(o,s){return E(this,null,function*(){let l=e.setItem(o,s);l instanceof Promise&&(yield l)})},removeItem(o){return E(this,null,function*(){let s=e.removeItem(o);s instanceof Promise&&(yield s)})}}}var Fe={getItem:()=>null,setItem:()=>{},removeItem:()=>{}};var ue="1.26.1",ce=`Javascript ${ue} Client`,Ne=500,Ve=globalThis.fetch,J=!!globalThis.Proxy,mt=(a,e,n)=>{let o=!1,s,l,m,p,R,u,S=!0,A={},x=K(t=>t),Y=0,X=!1,_=()=>{S=!1},k=()=>{S=!0},d=[],f=Me(),v=ae(n),b=(t,...i)=>{v.debug&&v.logger.debug(`[FF-SDK] ${t}`,...i)},T=(t,...i)=>{v.logger.error(`[FF-SDK] ${t}`,...i)},de=(t,...i)=>{v.logger.warn(`[FF-SDK] ${t}`,...i)},L=t=>{let{value:i}=t;try{switch(t.kind.toLowerCase()){case"int":case"number":i=Number(i);break;case"boolean":i=i.toString().toLowerCase()==="true";break;case"json":i=JSON.parse(i);break}}catch(c){T(c)}return i},H=t=>{if(S){let i=Date.now();i-t.lastAccessed>Ne&&(t.count++,t.lastAccessed=i)}},ge=()=>E(void 0,null,function*(){if(v.cache){b("initializing cache");try{let t=!0,i=yield le(e.identifier+a,typeof v.cache=="boolean"?{}:v.cache),c=yield i.loadFromCache();c!=null&&c.length&&U(()=>{b("loading from cache",c),ee(c,!1),f.emit("cache loaded",c)}),q("flags loaded",h=>E(void 0,null,function*(){yield i.saveToCache(h),t=!1})),q("changed",h=>E(void 0,null,function*(){t||(h.deleted?yield i.removeCachedEvaluation(h.flag):yield i.updateCachedEvaluation(h))}))}catch(t){T("Cache error: ",t),f.emit("cache error",t),f.emit("error",t)}}}),fe=(t,i)=>E(void 0,null,function*(){let c=`${i.baseUrl}/client/auth`,h={method:"POST",headers:{"Content-Type":"application/json","Harness-SDK-Info":ce},body:JSON.stringify({apiKey:t,target:B(C({},e),{identifier:String(e.identifier)})})},y,r;window.AbortController&&v.authRequestReadTimeout>0?(r=new AbortController,h.signal=r.signal,y=window.setTimeout(()=>r.abort(),i.authRequestReadTimeout)):i.authRequestReadTimeout>0&&de("AbortController is not available, auth request will not timeout");try{let g=yield Ve(c,h);if(!g.ok)throw new Error(`${g.status}: ${g.statusText}`);return(yield g.json()).authToken}catch(g){if(r&&r.signal.aborted)throw new Error(`Request to ${c} failed: Request timeout via configured authRequestTimeout of ${v.authRequestReadTimeout}`);let D=g instanceof Error?g.message:String(g);throw new Error(`Request to ${c} failed: ${D}`)}finally{y&&clearTimeout(y)}}),$=0,G=()=>{if(d.length){b("Sending metrics...",{metrics:d,evaluations:I});let t={metricsData:d.map(i=>({timestamp:Date.now(),count:i.count,metricsType:"FFMETRICS",attributes:[{key:"featureIdentifier",value:i.featureIdentifier},{key:"featureName",value:i.featureIdentifier},{key:"variationIdentifier",value:i.variationIdentifier},{key:"target",value:e.identifier},{key:"SDK_NAME",value:"JavaScript"},{key:"SDK_LANGUAGE",value:"JavaScript"},{key:"SDK_TYPE",value:"client"},{key:"SDK_VERSION",value:ue}]}))};x(`${v.eventUrl}/metrics/${s}?cluster=${l}`,{method:"POST",headers:C({"Content-Type":"application/json"},A),body:JSON.stringify(t)}).then(()=>{d=[],$=0}).catch(i=>{$++&&(d=[],$=0),b(i),f.emit("metrics error",i)}).finally(()=>{u=window.setTimeout(G,v.eventsSyncInterval)})}else u=window.setTimeout(G,v.eventsSyncInterval)},I={},he=t=>{b("Sending event for",t.flag),J?f.emit("changed",new Proxy(t,{get(i,c){var h;if(S&&i.hasOwnProperty(c)&&c==="value"){let y=i.flag,r=t.value,g=d.find(D=>D.featureIdentifier===y&&D.featureValue===r);g?(H(g),g.variationIdentifier=((h=I[y])==null?void 0:h.identifier)||""):d.push({featureIdentifier:y,featureValue:String(r),variationIdentifier:I[y].identifier||"",count:1,lastAccessed:Date.now()}),b("Metrics event: Flag",c,"has been read with value via stream update",r)}return c==="value"?L(t):t[c]}})):f.emit("changed",{deleted:t.deleted,flag:t.flag,value:L(t)})},z=function(){return J?new Proxy({},{get(t,i){var h,y,r;let c=t[i];if(S&&t.hasOwnProperty(i)){let g=t[i],D=d.find(te=>te.featureIdentifier===i&&g===te.featureValue);D?(D.variationIdentifier=((h=I[i])==null?void 0:h.identifier)||"",H(D)):d.push({featureIdentifier:i,featureValue:g,variationIdentifier:((y=I[i])==null?void 0:y.identifier)||"",count:1,lastAccessed:Date.now()}),b("Metrics event: Flag:",i,"has been read with value:",g,"variationIdentifier:",(r=I[i])==null?void 0:r.identifier)}return c}}):{}},w=z();ge().then(()=>fe(a,v).then(t=>E(void 0,null,function*(){if(o)return;R=t;let i=xe(t);A={Authorization:`Bearer ${R}`,"Harness-AccountID":i.accountID,"Harness-EnvironmentID":i.environmentIdentifier,"Harness-SDK-Info":ce};let c=re(e);c.length<262144&&(A["Harness-Target"]=c),b("Authenticated",i),u=window.setTimeout(G,v.eventsSyncInterval),s=i.environment,l=i.clusterIdentifier;let h=!!Object.keys(I).length;if((yield M()).type==="success"&&b("Fetch all flags ok",w),!o){if(v.streamEnabled?(b("Streaming mode enabled"),me()):v.pollingEnabled?(b("Polling mode enabled"),ve()):b("Streaming and polling mode disabled"),!h){_();let r=C({},w);k(),f.emit("ready",r)}X=!0}})).catch(t=>{T("Authentication error: ",t),f.emit("auth error",t),f.emit("error",t)}));let M=()=>E(void 0,null,function*(){try{let t=yield x(`${v.baseUrl}/client/env/${s}/target/${e.identifier}/evaluations?cluster=${l}`,{headers:A});if(t.ok){let i=yield t.json();return i.forEach(O),f.emit("flags loaded",i),{type:"success",data:i}}else return T("Features fetch operation error: ",t),f.emit("fetch flags error",t),f.emit("error",t),{type:"error",error:t}}catch(t){return T("Features fetch operation error: ",t),f.emit("fetch flags error",t),f.emit("error",t),{type:"error",error:t}}}),Q=t=>E(void 0,null,function*(){try{let i=yield x(`${v.baseUrl}/client/env/${s}/target/${e.identifier}/evaluations/${t}?cluster=${l}`,{headers:A});if(i.ok){let c=yield i.json();O(c)}else T("Feature fetch operation error: ",i),f.emit("fetch flag error",i),f.emit("error",i)}catch(i){T("Feature fetch operation error: ",i),f.emit("fetch flag error",i),f.emit("error",i)}}),O=t=>{_();let i=L(t);i!==w[t.flag]&&(b("Flag variation has changed for ",t.identifier),w[t.flag]=i,I[t.flag]=B(C({},t),{value:i}),he(t)),k()};p=new F(M,v,f,b,T);let me=()=>{let t=r=>{switch(r.event){case"create":c(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):setTimeout(()=>Q(r.identifier),1e3);break;case"patch":c(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):Q(r.identifier);break;case"delete":delete w[r.identifier],f.emit("changed",{flag:r.identifier,value:void 0,deleted:!0}),b("Evaluation deleted",{message:r,storage:w});break}},i=r=>!(!r||!r.flag||!r.identifier||!r.kind||!r.value),c=r=>!(!r||r.length==0||!r.every(g=>i(g))),h=r=>{r.event==="patch"&&(c(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):M())},y=`${v.baseUrl}/stream?cluster=${l}`;m=new V(f,v,y,a,A,p,b,T,r=>{r.domain==="flag"?t(r):r.domain==="target-segment"&&h(r)},v.maxStreamRetries),m.start()},ve=()=>{p.start()},q=(t,i)=>f.on(t,i),pe=(t,i)=>{t?f.off(t,i):Z()},Ee=(t,i)=>{var r;if(!S||J||i===void 0)return;let c=i,h=t,y=d.find(g=>g.featureIdentifier===h&&g.featureValue===c);y?(H(y),y.variationIdentifier=((r=I[h])==null?void 0:r.identifier)||""):d.push({featureIdentifier:h,featureValue:c,count:1,variationIdentifier:I[h].identifier||"",lastAccessed:Date.now()})},Z=()=>{o=!0,v.streamEnabled&&(b("Closing event stream"),typeof(m==null?void 0:m.close)=="function"&&m.close(),f.all.clear()),v.pollingEnabled&&p.isPolling()&&(b("Closing Poller"),p.stop()),w=z(),I={},clearTimeout(u)},ee=(t,i=!0)=>{t.length&&U(()=>{let c=!!Object.keys(I).length;if(t.forEach(O),!c){_();let h=C({},w);k(),f.emit("ready",h)}},i)};return{on:q,off:pe,close:Z,setEvaluations:ee,registerAPIRequestMiddleware:t=>{x=K(t)},refreshEvaluations:()=>{X&&!o&&Date.now()-Y>=6e4&&(M(),Y=Date.now())},variation:(t,i,c=!1)=>se(t,i,w,Ee,f,c)}};export{P as Event,mt as initialize};

9

dist/types.d.ts

@@ -38,2 +38,6 @@ export interface Target {

}
export interface DefaultVariationEventPayload {
flag: string;
defaultVariation: VariationValue;
}
export interface Evaluation {

@@ -69,6 +73,3 @@ flag: string;

[Event.ERROR_METRICS]: (error: unknown) => void;
[Event.ERROR_DEFAULT_VARIATION_RETURNED]: (payload: {
flag: string;
defaultVariation: VariationValue;
}) => void;
[Event.ERROR_DEFAULT_VARIATION_RETURNED]: (payload: DefaultVariationEventPayload) => void;
}

@@ -75,0 +76,0 @@ export type EventOnBinding = <K extends keyof EventCallbackMapping>(event: K, callback: EventCallbackMapping[K]) => void;

2

package.json
{
"name": "@harnessio/ff-javascript-client-sdk",
"version": "1.29.0-rc.1",
"version": "1.29.0",
"author": "Harness",

@@ -5,0 +5,0 @@ "license": "Apache-2.0",

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