prometheus-query/dist/prometheus-query.umd.js

A Javascript client for Prometheus query API

/*!
 * prometheus-query v3.5.1
 * github.com/samber/prometheus-query-js
 * (c) 2025 prometheus-query-js Contributors
 * Released under the MIT License
 */
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0,(Rt=e.ResponseType||(e.ResponseType={})).MATRIX="matrix",Rt.VECTOR="vector",Rt.SCALAR="scalar",Rt.STRING="string";class vt{constructor(e,t){if(e&&"string"!=typeof e)throw new Error("Wrong name format. Expected string.");if(t&&"object"!=typeof t)throw new Error("Wrong labels format. Expected object.");this.name=e,this.labels=t}static fromJSON(e){const t=e.__name__,r=Object.assign({},e);return delete r.__name__,new vt(t,r)}toString(){return(this.name?this.name:"")+"{"+Object.keys(this.labels).map((e=>e+'="'+this.labels[e]+'"')).join(", ")+"}"}}class At{constructor(e,t){if("object"!=typeof e||"Date"!=e.constructor.name)throw new Error("Wrong time format. Expected Date.");if("number"!=typeof t)throw new Error("Wrong value format. Expected float.");this.time=e,this.value=t}static fromJSON(e){const t=new Date(1e3*e[0]),r=parseFloat(e[1]);return new At(t,r)}toString(){return this.time+": "+this.value}}class xt{constructor(e,t){this.metric=e,this.values=t}static fromJSON(e){const t=e.metric?vt.fromJSON(e.metric):null,r=e.values.map(At.fromJSON);return new xt(t,r)}}class Nt{constructor(e,t){this.metric=e,this.value=t}static fromJSON(e){const t=e.metric?vt.fromJSON(e.metric):null,r=At.fromJSON(e.value);return new Nt(t,r)}}class Pt{constructor(e,t){this.resultType=e,this.result=t}static fromJSON(t){const r=t.resultType;let n=null;switch(r){case e.ResponseType.MATRIX:n=t.result.map(xt.fromJSON);break;case e.ResponseType.VECTOR:n=t.result.map(Nt.fromJSON);break;case e.ResponseType.SCALAR:case e.ResponseType.STRING:n=t.result;break;default:throw new Error(`Unexpected resultType: ${r}`)}return new Pt(r,n)}}class jt{constructor(e,t,r,n,o,s,i,a){if(e&&"object"!=typeof e)throw new Error(`Unexpected format for discoveredLabels. 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Got ${typeof a} instead of string`);this.discoveredLabels=e,this.labels=t,this.scrapePool=r,this.scrapeUrl=n,this.lastError=o,this.lastScrape=s,this.lastScrapeDuration=i,this.health=a}static fromJSON(e){return new jt(e.discoveredLabels,e.labels,e.scrapePool,e.scrapeUrl,e.lastError,e.lastScrape?new Date(e.lastScrape):null,e.lastScrapeDuration?parseFloat(e.lastScrapeDuration):null,e.health)}}class Ct{constructor(e,t,r,n,o){if(e&&("object"!=typeof e||"Date"!=e.constructor.name))throw new Error(`Unexpected format for activeAt. Got ${typeof e} instead of object`);if(t&&"object"!=typeof t)throw new Error(`Unexpected format for annotations. Got ${typeof t} instead of object`);if(r&&"object"!=typeof r)throw new Error(`Unexpected format for labels. Got ${typeof r} instead of object`);if(o&&"number"!=typeof o)throw new Error(`Unexpected format for value. Got ${typeof o} instead of number`);this.activeAt=e,this.annotations=t,this.labels=r,this.state=n,this.value=o}static fromJSON(e){return new Ct(e.activeAt?new Date(e.activeAt):null,e.annotations,e.labels,e.state,e.value?parseFloat(e.value):null)}}class Ut{constructor(e,t,r,n,o,s,i,a){this.alerts=e,this.annotations=t,this.duration=r,this.health=n,this.labels=o,this.name=s,this.query=i,this.type=a}static fromJSON(e){return new Ut(e.alerts?e.alerts.map(Ct.fromJSON):[],e.annotations,e.duration,e.health,e.labels,e.name,e.query,e.type)}}class _t{constructor(e,t,r,n){this.rules=e,this.file=t,this.interval=r,this.name=n}static fromJSON(e){return new _t(e.rules?e.rules.map(Ut.fromJSON):[],e.file,e.interval,e.name)}}class Lt{constructor(){this.baseURL="/api/v1/",this.headers={},this.auth=null,this.proxy=null,this.withCredentials=!1,this.timeout=1e4,this.preferPost=!1,this.warningHook=null}}e.Alert=Ct,e.InstantVector=Nt,e.Metric=vt,e.PrometheusConnectionOptions=Lt,e.PrometheusDriver=class{constructor(e){if(this.listifyIfNeeded=e=>e instanceof Array?e:[e],this.formatPromQlParams=e=>Object.entries(null!=e?e:{}).reduce(((e,[t,r])=>(null!=r&&(r instanceof Array?r.filter((e=>null!=e)).forEach((r=>e.append(`${t}[]`,r))):e.append(t,r)),e)),new URLSearchParams),!(e=e||new Lt).endpoint)throw"Endpoint is required";e.endpoint=e.endpoint.replace(/\/$/,""),e.baseURL=e.baseURL||"/api/v1/",e.withCredentials=e.withCredentials||!1,e.timeout=e.timeout||1e4,this.options=e,this.axiosInstance=at.create(),this.options.requestInterceptor&&this.axiosInstance.interceptors.request.use(this.options.requestInterceptor.onFulfilled,this.options.requestInterceptor.onRejected),this.options.responseInterceptor&&this.axiosInstance.interceptors.response.use(this.options.responseInterceptor.onFulfilled,this.options.responseInterceptor.onRejected)}request(e,t,r,n){var o,s,i,a,c,l;const u=Object.assign({},this.options.headers||{});return this.axiosInstance.request({baseURL:this.options.endpoint+this.options.baseURL,url:t,method:e,params:this.formatPromQlParams(r),data:this.formatPromQlParams(n),headers:u,auth:(null===(o=this.options.auth)||void 0===o?void 0:o.username)&&(null===(s=this.options.auth)||void 0===s?void 0:s.password)?{username:this.options.auth.username,password:this.options.auth.password}:null,proxy:(null===(i=this.options.proxy)||void 0===i?void 0:i.host)&&(null===(a=this.options.proxy)||void 0===a?void 0:a.port)?{host:null===(c=this.options.proxy)||void 0===c?void 0:c.host,port:null===(l=this.options.proxy)||void 0===l?void 0:l.port}:null,withCredentials:this.options.withCredentials,timeout:this.options.timeout}).then((e=>this.handleResponse(e))).catch((e=>this.handleResponse(e,!0)))}handleResponse(e,t=!1){var r,n,o,s,i;const a=!0===(null==e?void 0:e.isAxiosError),c=t||a,l=a?e:void 0,u=a?l.response:c?null==e?void 0:e.response:e;if(!u){const t=null!==(r=null==l?void 0:l.code)&&void 0!==r?r:null==e?void 0:e.code,i=null!==(o=null!==(n=null==l?void 0:l.message)&&void 0!==n?n:null==e?void 0:e.message)&&void 0!==o?o:"unexpected network error";throw{status:"error",errorType:"ECONNABORTED"===t?"timeout_error":(null===(s=null==t?void 0:t.startsWith)||void 0===s?void 0:s.call(t,"ERR_SSL"))?"ssl_error":"network_error",error:i,code:t,original:e}}this.options.warningHook&&Array.isArray(u.warnings)&&u.warnings.length&&this.options.warningHook(u.warnings);const f=u.data;if(!f||null==f.status)throw{status:"error",errorType:"client_error",error:"unexpected client error",data:f};if(c)throw{status:"error",errorType:"http_error",httpStatus:u.status,error:null!==(i=f.error)&&void 0!==i?i:u.statusText,prometheus:f};return f.data}formatTimeToPrometheus(e,t){var r;if(e||(e=t),"number"==typeof e)return e/1e3;if("object"==typeof e&&"Date"==(null===(r=null==e?void 0:e.constructor)||void 0===r?void 0:r.name))return e.getTime()/1e3;throw new Error("Wrong time format. Expected number or Date.")}instantQuery(e,t,r){const n={query:e,time:this.formatTimeToPrometheus(t,new Date),timeout:r};return(this.options.preferPost?this.request("POST","query",null,n):this.request("GET","query",n)).then((e=>Pt.fromJSON(e)))}rangeQuery(e,t,r,n,o){const s={query:e,start:this.formatTimeToPrometheus(t),end:this.formatTimeToPrometheus(r),step:n,timeout:o};return(this.options.preferPost?this.request("POST","query_range",null,s):this.request("GET","query_range",s)).then((e=>Pt.fromJSON(e)))}series(e,t,r){const n={match:this.listifyIfNeeded(e),start:this.formatTimeToPrometheus(t),end:this.formatTimeToPrometheus(r)};return(this.options.preferPost?this.request("POST","series",null,n):this.request("GET","series",n)).then((e=>e.map(vt.fromJSON)))}labelNames(e,t,r){const n={match:this.listifyIfNeeded(e),start:t?this.formatTimeToPrometheus(t):void 0,end:r?this.formatTimeToPrometheus(r):void 0};return this.options.preferPost?this.request("POST","labels",null,n):this.request("GET","labels",n)}labelValues(e,t,r,n){const o={match:this.listifyIfNeeded(t),start:r?this.formatTimeToPrometheus(r):void 0,end:n?this.formatTimeToPrometheus(n):void 0};return this.request("GET",`label/${e}/values`,o)}targets(e){const t={query:e||"any"};return this.request("GET","targets",t).then((e=>({activeTargets:e.activeTargets?e.activeTargets.map(jt.fromJSON):[],droppedTargets:e.droppedTargets?e.droppedTargets.map(jt.fromJSON):[]})))}targetsMetadata(e,t,r){const n={match_target:e,metric:t,limit:r};return this.request("GET","targets/metadata",n)}metadata(e,t){const r={metric:e,limit:t};return this.request("GET","metadata",r)}rules(){return this.request("GET","rules").then((e=>(e.groups?e.groups:[]).map(_t.fromJSON)))}alerts(){return this.request("GET","alerts").then((e=>(e.alerts?e.alerts:[]).map(Ct.fromJSON)))}alertmanagers(){return this.request("GET","alertmanagers")}status(){return this.request("GET","status/config")}statusFlags(){return this.request("GET","status/flags")}statusRuntimeInfo(){return this.request("GET","status/runtimeinfo")}statusBuildinfo(){return this.request("GET","status/buildinfo")}statusTSDB(){return this.request("GET","status/tsdb")}adminSnapshot(e){const t={skip_head:e};return this.request("POST","admin/tsdb/snapshot",t)}adminDeleteSeries(e,t,r){const n={match:this.listifyIfNeeded(e),start:this.formatTimeToPrometheus(t),end:this.formatTimeToPrometheus(r)};return this.request("POST","admin/tsdb/delete_series",n)}adminCleanTombstones(){return this.request("POST","admin/tsdb/clean_tombstones")}},e.QueryResult=Pt,e.RangeVector=xt,e.Rule=Ut,e.RuleGroup=_t,e.SampleValue=At,e.Target=jt}));
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