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

Comparing version 1.17.0-rc.7 to 1.17.0

2

dist/sdk.cjs.js

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

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2

dist/sdk.client-iife.js

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

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2

dist/sdk.client.js

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2

dist/sdk.esm.js

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

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t=r=>{switch(r.event){case"create":o(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):setTimeout(()=>Z(r.identifier),1e3);break;case"patch":o(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):Z(r.identifier);break;case"delete":delete A[r.identifier],u.emit("changed",{flag:r.identifier,value:void 0,deleted:!0}),E("Evaluation deleted",{message:r,storage:A});break}},i=r=>!(!r||!r.flag||!r.identifier||!r.kind||!r.value),o=r=>!(!r||r.length==0||!r.every(g=>i(g))),p=r=>{r.event==="patch"&&(o(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):k())},m=`${d.baseUrl}/stream?cluster=${f}`;v=new H(u,d,m,a,T,S,r=>{r.domain==="flag"?t(r):r.domain==="target-segment"&&p(r)}),v.start()},me=()=>{S.start()},B=(t,i)=>u.on(t,i),Ee=(t,i)=>{t?u.off(t,i):ee()},be=(t,i)=>{var r;if(!l||J||i===void 0)return;let o=i,p=t,m=R.find(g=>g.featureIdentifier===p&&g.featureValue===o);m?(L(m),m.variationIdentifier=((r=I[p])==null?void 0:r.identifier)||""):R.push({featureIdentifier:p,featureValue:o,count:1,variationIdentifier:I[p].identifier||"",lastAccessed:Date.now()})},ee=()=>{s=!0,E("Closing event stream"),A=Q(),I={},clearTimeout(w),u.all.clear(),typeof(v==null?void 0:v.close)=="function"&&v.close()},te=(t,i=!0)=>{t.length&&U(()=>{let o=!!Object.keys(I).length;if(t.forEach(O),!o){V();let p=D({},A);N(),u.emit("ready",p)}},i)};if(d.cache&&"localStorage"in window){let t=!0,i=M(e.identifier,typeof d.cache=="boolean"?{}:d.cache);i!=null&&i.length&&U(()=>{E("loading from cache",i),te(i,!1),u.emit("cache loaded",i)}),B("flags loaded",o=>{P(e.identifier,o),t=!1}),B("changed",o=>{t||(o.deleted?se(e.identifier,o.flag):oe(e.identifier,o))})}return{on:B,off:Ee,close:ee,setEvaluations:te,registerAPIRequestMiddleware:t=>{h=W(t)},refreshEvaluations:()=>{z&&!s&&Date.now()-X>=6e4&&(k(),X=Date.now())},variation:(t,i,o=!1)=>ce(t,i,A,be,o)}};export{q as Event,ot as initialize};
var Re=Object.defineProperty,Se=Object.defineProperties;var Ie=Object.getOwnPropertyDescriptors;var ne=Object.getOwnPropertySymbols;var ye=Object.prototype.hasOwnProperty,De=Object.prototype.propertyIsEnumerable;var ae=(a,e,n)=>e in a?Re(a,e,{enumerable:!0,configurable:!0,writable:!0,value:n}):a[e]=n,D=(a,e)=>{for(var n in e||(e={}))ye.call(e,n)&&ae(a,n,e[n]);if(ne)for(var n of ne(e))De.call(e,n)&&ae(a,n,e[n]);return a},K=(a,e)=>Se(a,Ie(e));var C=(a,e,n)=>new Promise((s,c)=>{var f=b=>{try{S(n.next(b))}catch(w){c(w)}},v=b=>{try{S(n.throw(b))}catch(w){c(w)}},S=b=>b.done?s(b.value):Promise.resolve(b.value).then(f,v);S((n=n.apply(a,e)).next())});import Ae from"jwt-decode";import Ce from"mitt";var q=(h=>(h.READY="ready",h.CONNECTED="connected",h.DISCONNECTED="disconnected",h.FLAGS_LOADED="flags loaded",h.CACHE_LOADED="cache loaded",h.CHANGED="changed",h.ERROR="error",h.ERROR_METRICS="metrics error",h.ERROR_AUTH="auth error",h.ERROR_FETCH_FLAGS="fetch flags error",h.ERROR_FETCH_FLAG="fetch flag error",h.ERROR_STREAM="stream error",h))(q||{});var we={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,allAttributesPrivate:!1,privateAttributeNames:[],cache:!1},re=a=>{let e=D(D({},we),a);return e.pollingEnabled===void 0&&(e.pollingEnabled=e.streamEnabled),e},y=(a,...e)=>console.error(`[FF-SDK] ${a}`,...e),U=(a,e=!0)=>{e?setTimeout(a,0):a()},_=(a,e)=>Math.round(Math.random()*(e-a)+a);function j(a){return"HARNESS_FF_CACHE_"+a}function M(a,e={}){let n=j(a),s=parseInt(window.localStorage.getItem(n+".ts"));if(e!=null&&e.ttl&&!isNaN(s)&&s+e.ttl<Date.now())return Te(a),[];let c=window.localStorage.getItem(n);if(c)try{return JSON.parse(c)}catch(f){}return[]}function P(a,e){let n=j(a);window.localStorage.setItem(n,JSON.stringify(e)),window.localStorage.setItem(n+".ts",Date.now().toString())}function oe(a,e){let n=M(a),s=n.find(({flag:c})=>c===e.flag);s?Object.assign(s,e):n.push(e),P(a,n)}function se(a,e){let n=M(a),s=n.findIndex(({flag:c})=>c===e);s>-1&&(n.splice(s,1),P(a,n))}function Te(a){let e=j(a);window.localStorage.removeItem(e),window.localStorage.removeItem(e+".ts")}function W(a){return function(...n){let[s,c]=a(n);return fetch(s,c)}}var le=3e4,H=class{constructor(e,n,s,c,f,v,S){this.closed=!1;this.eventBus=e,this.configurations=n,this.url=s,this.apiKey=c,this.standardHeaders=f,this.eventCallback=S,this.fallbackPoller=v}start(){let e=l=>{l.toString().split(/\r?\n/).forEach(n)},n=l=>{if(l.startsWith("data:")){let T=JSON.parse(l.substring(5));this.logDebug("Received event from stream: ",T),this.eventCallback(T)}},s=()=>{this.logDebug("Stream connected"),this.eventBus.emit("connected")},c=()=>{clearInterval(w);let l=_(1e3,1e4);this.logDebug("Stream disconnected, will reconnect in "+l+"ms"),this.eventBus.emit("disconnected"),setTimeout(()=>this.start(),l)},f=l=>{l&&y("Stream has issue",l),this.fallBackToPolling(),this.eventBus.emit("stream error",l),this.eventBus.emit("error",l),c()},v=D({"Cache-Control":"no-cache",Accept:"text/event-stream","API-Key":this.apiKey},this.standardHeaders);this.logDebug("SSE HTTP start request",this.url),this.xhr=new XMLHttpRequest,this.xhr.open("GET",this.url);for(let[l,T]of Object.entries(v))this.xhr.setRequestHeader(l,T);this.xhr.timeout=24*60*60*1e3,this.xhr.onerror=()=>{f("XMLHttpRequest error on SSE stream")},this.xhr.onabort=()=>{this.logDebug("SSE aborted"),this.closed||f(null)},this.xhr.ontimeout=()=>{f("SSE timeout")},this.xhr.onload=()=>{if(this.xhr.status>=400&&this.xhr.status<=599){f(`HTTP code ${this.xhr.status}`);return}s()};let S=0,b=Date.now();this.xhr.onprogress=()=>{this.stopFallBackPolling(),b=Date.now();let l=this.xhr.responseText.slice(S);S+=l.length,this.logDebug("SSE GOT: "+l),e(l)};let w=setInterval(()=>{b<Date.now()-le&&(y("SSE read timeout"),this.xhr.abort())},le);this.xhr.send()}close(){this.closed=!0,this.xhr&&this.xhr.abort(),this.stopFallBackPolling()}fallBackToPolling(){!this.fallbackPoller.isPolling()&&this.configurations.pollingEnabled&&(this.logDebug("Falling back to polling mode while stream recovers"),this.fallbackPoller.start())}stopFallBackPolling(){this.fallbackPoller.isPolling()&&(this.logDebug("Stopping fallback polling mode"),this.fallbackPoller.stop())}logDebug(e,...n){this.configurations.debug&&console.debug(`[FF-SDK] Streaming: ${e}`,...n)}};function ce(a,e,n,s,c){let f=a in n,v=f?n[a]:e;return f&&s(a,v),c?{value:v,isDefaultValue:!f}:v}var x=class{constructor(e,n){this.fetchFlagsFn=e;this.configurations=n;this.maxAttempts=5}start(){if(this.isPolling()){this.logDebug("Already polling.");return}this.isRunning=!0,this.logDebug(`Starting poller, first poll will be in ${this.configurations.pollingInterval}ms`),this.timeoutId=setTimeout(()=>this.poll(),this.configurations.pollingInterval)}poll(){this.attemptFetch().finally(()=>{this.timeoutId=setTimeout(()=>this.poll(),this.configurations.pollingInterval)})}attemptFetch(){return C(this,null,function*(){for(let e=1;e<=this.maxAttempts;e++){let n=yield this.fetchFlagsFn();if(!n){this.logDebug(`Successfully polled for flag updates, next poll in ${this.configurations.pollingInterval}ms. `);return}if(y("Error when polling for flag updates",n),e>=this.maxAttempts){this.logDebug(`Maximum attempts reached for polling for flags. Next poll in ${this.configurations.pollingInterval}ms.`);return}this.logDebug(`Polling for flags attempt #${e} failed. Remaining attempts: ${this.maxAttempts-e}`,n);let s=_(1e3,1e4);yield new Promise(c=>setTimeout(c,s))}})}stop(){this.timeoutId&&(clearTimeout(this.timeoutId),this.timeoutId=void 0,this.isRunning=!1,this.logDebug("Polling stopped"))}isPolling(){return this.isRunning}logDebug(e,...n){this.configurations.debug&&console.debug(`[FF-SDK] Poller: ${e}`,...n)}};var ge="1.16.0",fe=`Javascript ${ge} Client`,Oe=500,Fe=globalThis.fetch,J=!!globalThis.Proxy,Y=a=>{let{value:e}=a;try{switch(a.kind.toLowerCase()){case"int":case"number":e=Number(e);break;case"boolean":e=e.toString().toLowerCase()==="true";break;case"json":e=JSON.parse(e);break}}catch(n){y(n)}return e},ot=(a,e,n)=>{let s=!1,c,f,v,S,b,w,l=!0,T={},h=W(t=>t),X=0,z=!1,V=()=>{l=!1},N=()=>{l=!0},R=[],u=Ce(),d=re(n);d.eventsSyncInterval<6e4&&(d.eventsSyncInterval=6e4),d.pollingInterval<6e4&&(d.pollingInterval=6e4);let E=(t,...i)=>{d.debug&&console.debug(`[FF-SDK] ${t}`,...i)},L=t=>{if(l){let i=Date.now();i-t.lastAccessed>Oe&&(t.count++,t.lastAccessed=i)}};globalThis.onbeforeunload=()=>{R.length&&globalThis.localStorage&&(V(),globalThis.localStorage.HARNESS_FF_METRICS=JSON.stringify(R),N())};let he=(t,i)=>C(void 0,null,function*(){return(yield(yield Fe(`${i.baseUrl}/client/auth`,{method:"POST",headers:{"Content-Type":"application/json","Harness-SDK-Info":fe},body:JSON.stringify({apiKey:t,target:K(D({},e),{identifier:String(e.identifier)})})})).json()).authToken}),$=0,G=()=>{if(R.length){E("Sending metrics...",{metrics:R,evaluations:I});let t={metricsData:R.map(i=>({timestamp:Date.now(),count:i.count,metricsType:"FFMETRICS",attributes:[{key:"featureIdentifier",value:i.featureIdentifier},{key:"featureName",value:i.featureIdentifier},{key:"variationIdentifier",value:i.variationIdentifier},{key:"target",value:e.identifier},{key:"SDK_NAME",value:"JavaScript"},{key:"SDK_LANGUAGE",value:"JavaScript"},{key:"SDK_TYPE",value:"client"},{key:"SDK_VERSION",value:ge}]}))};h(`${d.eventUrl}/metrics/${c}?cluster=${f}`,{method:"POST",headers:D({"Content-Type":"application/json"},T),body:JSON.stringify(t)}).then(()=>{R=[],$=0}).catch(i=>{$++&&(R=[],$=0),E(i),u.emit("metrics error",i)}).finally(()=>{w=window.setTimeout(G,d.eventsSyncInterval)})}else w=window.setTimeout(G,d.eventsSyncInterval)},I={},ve=t=>{E("Sending event for",t.flag),J?u.emit("changed",new Proxy(t,{get(i,o){var p;if(l&&i.hasOwnProperty(o)&&o==="value"){let m=i.flag,r=t.value,g=R.find(F=>F.featureIdentifier===m&&F.featureValue===r);g?(L(g),g.variationIdentifier=((p=I[m])==null?void 0:p.identifier)||""):R.push({featureIdentifier:m,featureValue:String(r),variationIdentifier:I[m].identifier||"",count:1,lastAccessed:Date.now()}),E("Metrics event: Flag",o,"has been read with value via stream update",r)}return o==="value"?Y(t):t[o]}})):u.emit("changed",{deleted:t.deleted,flag:t.flag,value:Y(t)})},Q=function(){return J?new Proxy({},{get(t,i){var p,m,r;let o=t[i];if(l&&t.hasOwnProperty(i)){let g=t[i],F=R.find(ie=>ie.featureIdentifier===i&&g===ie.featureValue);F?(F.variationIdentifier=((p=I[i])==null?void 0:p.identifier)||"",L(F)):R.push({featureIdentifier:i,featureValue:g,variationIdentifier:((m=I[i])==null?void 0:m.identifier)||"",count:1,lastAccessed:Date.now()}),E("Metrics event: Flag:",i,"has been read with value:",g,"variationIdentifier:",(r=I[i])==null?void 0:r.identifier)}return o}}):{}},A=Q();he(a,d).then(t=>C(void 0,null,function*(){if(s)return;b=t;let i=Ae(t);if(T={Authorization:`Bearer ${b}`,"Harness-AccountID":i.accountID,"Harness-EnvironmentID":i.environmentIdentifier,"Harness-SDK-Info":fe},E("Authenticated",i),globalThis.localStorage&&globalThis.localStorage.HARNESS_FF_METRICS)try{delete globalThis.localStorage.HARNESS_FF_METRICS,E("Picking up metrics from previous session")}catch(m){}w=window.setTimeout(G,d.eventsSyncInterval),c=i.environment,f=i.clusterIdentifier;let o=!!Object.keys(I).length;if((yield k())||E("Fetch all flags ok",A),!s){if(d.streamEnabled?(E("Streaming mode enabled"),pe()):d.pollingEnabled?(E("Polling mode enabled"),me()):E("Streaming and polling mode disabled"),!o){V();let m=D({},A);N(),u.emit("ready",m)}z=!0}})).catch(t=>{y("Authentication error: ",t),u.emit("auth error",t),u.emit("error",t)});let k=()=>C(void 0,null,function*(){try{let t=yield h(`${d.baseUrl}/client/env/${c}/target/${e.identifier}/evaluations?cluster=${f}`,{headers:T});if(t.ok){let i=yield t.json();i.forEach(O),u.emit("flags loaded",i)}else y("Features fetch operation error: ",t),u.emit("fetch flags error",t),u.emit("error",t)}catch(t){return y("Features fetch operation error: ",t),u.emit("fetch flags error",t),u.emit("error",t),t}}),Z=t=>C(void 0,null,function*(){try{let i=yield h(`${d.baseUrl}/client/env/${c}/target/${e.identifier}/evaluations/${t}?cluster=${f}`,{headers:T});if(i.ok){let o=yield i.json();O(o)}else y("Feature fetch operation error: ",i),u.emit("fetch flag error",i),u.emit("error",i)}catch(i){y("Feature fetch operation error: ",i),u.emit("fetch flag error",i),u.emit("error",i)}}),O=t=>{V();let i=Y(t);i!==A[t.flag]&&(E("Flag variation has changed for ",t.identifier),A[t.flag]=i,I[t.flag]=K(D({},t),{value:i}),ve(t)),N()};S=new x(k,d);let pe=()=>{let t=r=>{switch(r.event){case"create":o(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):setTimeout(()=>Z(r.identifier),1e3);break;case"patch":o(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):Z(r.identifier);break;case"delete":delete A[r.identifier],u.emit("changed",{flag:r.identifier,value:void 0,deleted:!0}),E("Evaluation deleted",{message:r,storage:A});break}},i=r=>!(!r||!r.flag||!r.identifier||!r.kind||!r.value),o=r=>!(!r||r.length==0||!r.every(g=>i(g))),p=r=>{r.event==="patch"&&(o(r.evaluations)?r.evaluations.forEach(g=>{O(g)}):k())},m=`${d.baseUrl}/stream?cluster=${f}`;v=new H(u,d,m,a,T,S,r=>{r.domain==="flag"?t(r):r.domain==="target-segment"&&p(r)}),v.start()},me=()=>{S.start()},B=(t,i)=>u.on(t,i),Ee=(t,i)=>{t?u.off(t,i):ee()},be=(t,i)=>{var r;if(!l||J||i===void 0)return;let o=i,p=t,m=R.find(g=>g.featureIdentifier===p&&g.featureValue===o);m?(L(m),m.variationIdentifier=((r=I[p])==null?void 0:r.identifier)||""):R.push({featureIdentifier:p,featureValue:o,count:1,variationIdentifier:I[p].identifier||"",lastAccessed:Date.now()})},ee=()=>{s=!0,E("Closing event stream"),A=Q(),I={},clearTimeout(w),u.all.clear(),typeof(v==null?void 0:v.close)=="function"&&v.close()},te=(t,i=!0)=>{t.length&&U(()=>{let o=!!Object.keys(I).length;if(t.forEach(O),!o){V();let p=D({},A);N(),u.emit("ready",p)}},i)};if(d.cache&&"localStorage"in window){let t=!0,i=M(e.identifier,typeof d.cache=="boolean"?{}:d.cache);i!=null&&i.length&&U(()=>{E("loading from cache",i),te(i,!1),u.emit("cache loaded",i)}),B("flags loaded",o=>{P(e.identifier,o),t=!1}),B("changed",o=>{t||(o.deleted?se(e.identifier,o.flag):oe(e.identifier,o))})}return{on:B,off:Ee,close:ee,setEvaluations:te,registerAPIRequestMiddleware:t=>{h=W(t)},refreshEvaluations:()=>{z&&!s&&Date.now()-X>=6e4&&(k(),X=Date.now())},variation:(t,i,o=!1)=>ce(t,i,A,be,o)}};export{q as Event,ot as initialize};

2

package.json
{
"name": "@harnessio/ff-javascript-client-sdk",
"version": "1.17.0-rc.7",
"version": "1.17.0",
"author": "Harness",

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

3

README.md

@@ -105,3 +105,4 @@ # Before you Begin

streamEnabled: true, // Enable or disable streaming - default is enabled
pollingEnabled: true, // Enable or disable polling - default is enabled if stream is enabled.
pollingEnabled: true, // Enable or disable polling - default is enabled if stream enabled, or disabled if stream disabled.
pollingInterval: 60000, // Polling interval in ms, default is 60000ms which is the minimum. If set below this, will default to 60000ms.
}

@@ -108,0 +109,0 @@

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