assemblyai/dist/assemblyai.umd.min.js

The AssemblyAI JavaScript SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).assemblyai={})}(this,(function(e){"use strict";function t(e,t,s,i){return new(s||(s=Promise))((function(n,r){function o(e){try{c(i.next(e))}catch(e){r(e)}}function a(e){try{c(i.throw(e))}catch(e){r(e)}}function c(e){var t;e.done?n(e.value):(t=e.value,t instanceof s?t:new s((function(e){e(t)}))).then(o,a)}c((i=i.apply(e,t||[])).next())}))}"function"==typeof SuppressedError&&SuppressedError;const s={cache:"no-store"};let i="";"undefined"!=typeof navigator&&navigator.userAgent&&(i+=navigator.userAgent);const n={sdk:{name:"JavaScript",version:"4.14.2"}};"undefined"!=typeof process&&(process.versions.node&&-1===i.indexOf("Node")&&(n.runtime_env={name:"Node",version:process.versions.node}),process.versions.bun&&-1===i.indexOf("Bun")&&(n.runtime_env={name:"Bun",version:process.versions.bun})),"undefined"!=typeof Deno&&process.versions.bun&&-1===i.indexOf("Deno")&&(n.runtime_env={name:"Deno",version:Deno.version.deno});class r{constructor(e){var t;this.params=e,!1===e.userAgent?this.userAgent=void 0:this.userAgent=(t=e.userAgent||{},i+(!1===t?"":" AssemblyAI/1.0 ("+Object.entries(Object.assign(Object.assign({},n),t)).map((([e,t])=>t?`${e}=${t.name}/${t.version}`:"")).join(" ")+")"))}fetch(e,i){return t(this,void 0,void 0,(function*(){i=Object.assign(Object.assign({},s),i);let t={Authorization:this.params.apiKey,"Content-Type":"application/json"};(null==s?void 0:s.headers)&&(t=Object.assign(Object.assign({},t),s.headers)),(null==i?void 0:i.headers)&&(t=Object.assign(Object.assign({},t),i.headers)),this.userAgent&&(t["User-Agent"]=this.userAgent,"undefined"!=typeof window&&"chrome"in window&&(t["AssemblyAI-Agent"]=this.userAgent)),i.headers=t,e.startsWith("http")||(e=this.params.baseUrl+e);const n=yield fetch(e,i);if(n.status>=400){let e;const t=yield n.text();if(t){try{e=JSON.parse(t)}catch(e){}if(null==e?void 0:e.error)throw new Error(e.error);throw new Error(t)}throw new Error(`HTTP Error: ${n.status} ${n.statusText}`)}return n}))}fetchJson(e,s){return t(this,void 0,void 0,(function*(){return(yield this.fetch(e,s)).json()}))}}class o extends r{summary(e){return this.fetchJson("/lemur/v3/generate/summary",{method:"POST",body:JSON.stringify(e)})}questionAnswer(e){return this.fetchJson("/lemur/v3/generate/question-answer",{method:"POST",body:JSON.stringify(e)})}actionItems(e){return this.fetchJson("/lemur/v3/generate/action-items",{method:"POST",body:JSON.stringify(e)})}task(e){return this.fetchJson("/lemur/v3/generate/task",{method:"POST",body:JSON.stringify(e)})}getResponse(e){return this.fetchJson(`/lemur/v3/${e}`)}purgeRequestData(e){return this.fetchJson(`/lemur/v3/${e}`,{method:"DELETE"})}}const{WritableStream:a}="undefined"!=typeof window?window:"undefined"!=typeof global?global:globalThis;var c,l;const d=null!==(l=null!==(c=null!==WebSocket&&void 0!==WebSocket?WebSocket:null===global||void 0===global?void 0:global.WebSocket)&&void 0!==c?c:null===window||void 0===window?void 0:window.WebSocket)&&void 0!==l?l:null===self||void 0===self?void 0:self.WebSocket,h=(e,t)=>t?new d(e,t):new d(e),u={[4e3]:"Sample rate must be a positive integer",[4001]:"Not Authorized",[4002]:"Insufficient funds",[4003]:"This feature is paid-only and requires you to add a credit card. Please visit https://app.assemblyai.com/ to add a credit card to your account.",[4004]:"Session ID does not exist",[4008]:"Session has expired",[4010]:"Session is closed",[4029]:"Rate limited",[4030]:"Unique session violation",[4031]:"Session Timeout",[4032]:"Audio too short",[4033]:"Audio too long",[4034]:"Audio too small to transcode",[4100]:"Bad JSON",[4101]:"Bad schema",[4102]:"Too many streams",[4103]:"This session has been reconnected. This WebSocket is no longer valid.",[1013]:"Reconnect attempts exhausted",[4104]:"Could not parse word boost parameter"};class m extends Error{}const p={[4e3]:"Sample rate must be a positive integer",[4001]:"Not Authorized",[4002]:"Insufficient funds",[4003]:"This feature is paid-only and requires you to add a credit card. Please visit https://app.assemblyai.com/ to add a credit card to your account.",[4004]:"Session ID does not exist",[4008]:"Session has expired",[4010]:"Session is closed",[4029]:"Rate limited",[4030]:"Unique session violation",[4031]:"Session Timeout",[4032]:"Audio too short",[4033]:"Audio too long",[4034]:"Audio too small to transcode",[4101]:"Bad schema",[4102]:"Too many streams",[4103]:"This session has been reconnected. This WebSocket is no longer valid."};class f extends Error{}const v='{"terminate_session":true}';class y{constructor(e){var t,s;if(this.listeners={},this.realtimeUrl=null!==(t=e.realtimeUrl)&&void 0!==t?t:"wss://api.assemblyai.com/v2/realtime/ws",this.sampleRate=null!==(s=e.sampleRate)&&void 0!==s?s:16e3,this.wordBoost=e.wordBoost,this.encoding=e.encoding,this.endUtteranceSilenceThreshold=e.endUtteranceSilenceThreshold,this.disablePartialTranscripts=e.disablePartialTranscripts,"token"in e&&e.token&&(this.token=e.token),"apiKey"in e&&e.apiKey&&(this.apiKey=e.apiKey),!this.token&&!this.apiKey)throw new Error("API key or temporary token is required.")}connectionUrl(){const e=new URL(this.realtimeUrl);if("wss:"!==e.protocol)throw new Error("Invalid protocol, must be wss");const t=new URLSearchParams;return this.token&&t.set("token",this.token),t.set("sample_rate",this.sampleRate.toString()),this.wordBoost&&this.wordBoost.length>0&&t.set("word_boost",JSON.stringify(this.wordBoost)),this.encoding&&t.set("encoding",this.encoding),t.set("enable_extra_session_information","true"),this.disablePartialTranscripts&&t.set("disable_partial_transcripts",this.disablePartialTranscripts.toString()),e.search=t.toString(),e}on(e,t){this.listeners[e]=t}connect(){return new Promise((e=>{if(this.socket)throw new Error("Already connected");const t=this.connectionUrl();this.token?this.socket=h(t.toString()):(console.warn("API key authentication is not supported for the RealtimeTranscriber in browser environment. Use temporary token authentication instead.\nLearn more at https://github.com/AssemblyAI/assemblyai-node-sdk/blob/main/docs/compat.md#browser-compatibility."),this.socket=h(t.toString(),{headers:{Authorization:this.apiKey}})),this.socket.binaryType="arraybuffer",this.socket.onopen=()=>{void 0!==this.endUtteranceSilenceThreshold&&null!==this.endUtteranceSilenceThreshold&&this.configureEndUtteranceSilenceThreshold(this.endUtteranceSilenceThreshold)},this.socket.onclose=({code:e,reason:t})=>{var s,i;t||e in u&&(t=u[e]),null===(i=(s=this.listeners).close)||void 0===i||i.call(s,e,t)},this.socket.onerror=e=>{var t,s,i,n;e.error?null===(s=(t=this.listeners).error)||void 0===s||s.call(t,e.error):null===(n=(i=this.listeners).error)||void 0===n||n.call(i,new Error(e.message))},this.socket.onmessage=({data:t})=>{var s,i,n,r,o,a,c,l,d,h,u,p,f,v,y;const b=JSON.parse(t.toString());if("error"in b)null===(i=(s=this.listeners).error)||void 0===i||i.call(s,new m(b.error));else switch(b.message_type){case"SessionBegins":{const t={sessionId:b.session_id,expiresAt:new Date(b.expires_at)};e(t),null===(r=(n=this.listeners).open)||void 0===r||r.call(n,t);break}case"PartialTranscript":b.created=new Date(b.created),null===(a=(o=this.listeners).transcript)||void 0===a||a.call(o,b),null===(l=(c=this.listeners)["transcript.partial"])||void 0===l||l.call(c,b);break;case"FinalTranscript":b.created=new Date(b.created),null===(h=(d=this.listeners).transcript)||void 0===h||h.call(d,b),null===(p=(u=this.listeners)["transcript.final"])||void 0===p||p.call(u,b);break;case"SessionInformation":null===(v=(f=this.listeners).session_information)||void 0===v||v.call(f,b);break;case"SessionTerminated":null===(y=this.sessionTerminatedResolve)||void 0===y||y.call(this)}}}))}sendAudio(e){this.send(e)}stream(){return new a({write:e=>{this.sendAudio(e)}})}forceEndUtterance(){this.send('{"force_end_utterance":true}')}configureEndUtteranceSilenceThreshold(e){this.send(`{"end_utterance_silence_threshold":${e}}`)}send(e){if(!this.socket||this.socket.readyState!==this.socket.OPEN)throw new Error("Socket is not open for communication");this.socket.send(e)}close(){return t(this,arguments,void 0,(function*(e=!0){var t;if(this.socket){if(this.socket.readyState===this.socket.OPEN)if(e){const e=new Promise((e=>{this.sessionTerminatedResolve=e}));this.socket.send(v),yield e}else this.socket.send(v);(null===(t=this.socket)||void 0===t?void 0:t.removeAllListeners)&&this.socket.removeAllListeners(),this.socket.close()}this.listeners={},this.socket=void 0}))}}class b extends r{constructor(e){super(e),this.rtFactoryParams=e}createService(e){return this.transcriber(e)}transcriber(e){const t=Object.assign({},e);return t.token||t.apiKey||(t.apiKey=this.rtFactoryParams.apiKey),new y(t)}createTemporaryToken(e){return t(this,void 0,void 0,(function*(){return(yield this.fetchJson("/v2/realtime/token",{method:"POST",body:JSON.stringify(e)})).token}))}}function w(e){return e.startsWith("http")||e.startsWith("https")||e.startsWith("data:")?null:e.startsWith("file://")?e.substring(7):e.startsWith("file:")?e.substring(5):e}class g extends r{constructor(e,t){super(e),this.files=t}transcribe(e,s){return t(this,void 0,void 0,(function*(){const t=yield this.submit(e);return yield this.waitUntilReady(t.id,s)}))}submit(e){return t(this,void 0,void 0,(function*(){let t,s;if("audio"in e){const{audio:i}=e,n=function(e,t){var s={};for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&t.indexOf(i)<0&&(s[i]=e[i]);if(null!=e&&"function"==typeof Object.getOwnPropertySymbols){var n=0;for(i=Object.getOwnPropertySymbols(e);n<i.length;n++)t.indexOf(i[n])<0&&Object.prototype.propertyIsEnumerable.call(e,i[n])&&(s[i[n]]=e[i[n]])}return s}(e,["audio"]);if("string"==typeof i){const e=w(i);t=null!==e?yield this.files.upload(e):i.startsWith("data:")?yield this.files.upload(i):i}else t=yield this.files.upload(i);s=Object.assign(Object.assign({},n),{audio_url:t})}else s=e;return yield this.fetchJson("/v2/transcript",{method:"POST",body:JSON.stringify(s)})}))}create(e,s){return t(this,void 0,void 0,(function*(){var t;const i=w(e.audio_url);if(null!==i){const t=yield this.files.upload(i);e.audio_url=t}const n=yield this.fetchJson("/v2/transcript",{method:"POST",body:JSON.stringify(e)});return null===(t=null==s?void 0:s.poll)||void 0===t||t?yield this.waitUntilReady(n.id,s):n}))}waitUntilReady(e,s){return t(this,void 0,void 0,(function*(){var t,i;const n=null!==(t=null==s?void 0:s.pollingInterval)&&void 0!==t?t:3e3,r=null!==(i=null==s?void 0:s.pollingTimeout)&&void 0!==i?i:-1,o=Date.now();for(;;){const t=yield this.get(e);if("completed"===t.status||"error"===t.status)return t;if(r>0&&Date.now()-o>r)throw new Error("Polling timeout");yield new Promise((e=>setTimeout(e,n)))}}))}get(e){return this.fetchJson(`/v2/transcript/${e}`)}list(e){return t(this,void 0,void 0,(function*(){let t="/v2/transcript";"string"==typeof e?t=e:e&&(t=`${t}?${new URLSearchParams(Object.keys(e).map((t=>{var s;return[t,(null===(s=e[t])||void 0===s?void 0:s.toString())||""]})))}`);const s=yield this.fetchJson(t);for(const e of s.transcripts)e.created=new Date(e.created),e.completed&&(e.completed=new Date(e.completed));return s}))}delete(e){return this.fetchJson(`/v2/transcript/${e}`,{method:"DELETE"})}wordSearch(e,t){const s=new URLSearchParams({words:t.join(",")});return this.fetchJson(`/v2/transcript/${e}/word-search?${s.toString()}`)}sentences(e){return this.fetchJson(`/v2/transcript/${e}/sentences`)}paragraphs(e){return this.fetchJson(`/v2/transcript/${e}/paragraphs`)}subtitles(e){return t(this,arguments,void 0,(function*(e,t="srt",s){let i=`/v2/transcript/${e}/${t}`;if(s){const e=new URLSearchParams;e.set("chars_per_caption",s.toString()),i+=`?${e.toString()}`}const n=yield this.fetch(i);return yield n.text()}))}redactions(e){return this.redactedAudio(e)}redactedAudio(e){return this.fetchJson(`/v2/transcript/${e}/redacted-audio`)}redactedAudioFile(e){return t(this,void 0,void 0,(function*(){const{redacted_audio_url:t,status:s}=yield this.redactedAudio(e);if("redacted_audio_ready"!==s)throw new Error(`Redacted audio status is ${s}`);const i=yield fetch(t);if(!i.ok)throw new Error(`Failed to fetch redacted audio: ${i.statusText}`);return{arrayBuffer:i.arrayBuffer.bind(i),blob:i.blob.bind(i),body:i.body,bodyUsed:i.bodyUsed}}))}}class k extends r{upload(e){return t(this,void 0,void 0,(function*(){let s;s="string"==typeof e?e.startsWith("data:")?function(e){const t=e.split(","),s=t[0].match(/:(.*?);/)[1],i=atob(t[1]);let n=i.length;const r=new Uint8Array(n);for(;n--;)r[n]=i.charCodeAt(n);return new Blob([r],{type:s})}(e):yield function(e){return t(this,void 0,void 0,(function*(){throw new Error("Interacting with the file system is not supported in this environment.")}))}():e;return(yield this.fetchJson("/v2/upload",{method:"POST",body:s,headers:{"Content-Type":"application/octet-stream"},duplex:"half"})).upload_url}))}}const S='{"type":"Terminate"}';class T{constructor(e){if(this.listeners={},this.params=Object.assign(Object.assign({},e),{websocketBaseUrl:e.websocketBaseUrl||"wss://streaming.assemblyai.com/v3/ws"}),"token"in e&&e.token&&(this.token=e.token),"apiKey"in e&&e.apiKey&&(this.apiKey=e.apiKey),!this.token&&!this.apiKey)throw new Error("API key or temporary token is required.")}connectionUrl(){var e;const t=new URL(null!==(e=this.params.websocketBaseUrl)&&void 0!==e?e:"");if("wss:"!==t.protocol)throw new Error("Invalid protocol, must be wss");const s=new URLSearchParams;return this.token&&s.set("token",this.token),s.set("sample_rate",this.params.sampleRate.toString()),this.params.endOfTurnConfidenceThreshold&&s.set("end_of_turn_confidence_threshold",this.params.endOfTurnConfidenceThreshold.toString()),this.params.minEndOfTurnSilenceWhenConfident&&s.set("min_end_of_turn_silence_when_confident",this.params.minEndOfTurnSilenceWhenConfident.toString()),this.params.maxTurnSilence&&s.set("max_turn_silence",this.params.maxTurnSilence.toString()),this.params.formatTurns&&s.set("format_turns",this.params.formatTurns.toString()),this.params.encoding&&s.set("encoding",this.params.encoding.toString()),this.params.keyterms&&s.set("keyterms",JSON.stringify(this.params.keyterms)),t.search=s.toString(),t}on(e,t){this.listeners[e]=t}connect(){return new Promise((e=>{if(this.socket)throw new Error("Already connected");const t=this.connectionUrl();this.token?this.socket=h(t.toString()):(console.warn("API key authentication is not supported for the StreamingTranscriber in browser environment. Use temporary token authentication instead.\nLearn more at https://github.com/AssemblyAI/assemblyai-node-sdk/blob/main/docs/compat.md#browser-compatibility."),this.socket=h(t.toString(),{headers:{Authorization:this.apiKey}})),this.socket.binaryType="arraybuffer",this.socket.onopen=()=>{},this.socket.onclose=({code:e,reason:t})=>{var s,i;t||e in p&&(t=p[e]),null===(i=(s=this.listeners).close)||void 0===i||i.call(s,e,t)},this.socket.onerror=e=>{var t,s,i,n;e.error?null===(s=(t=this.listeners).error)||void 0===s||s.call(t,e.error):null===(n=(i=this.listeners).error)||void 0===n||n.call(i,new Error(e.message))},this.socket.onmessage=({data:t})=>{var s,i,n,r,o,a,c;const l=JSON.parse(t.toString());if("error"in l)null===(i=(s=this.listeners).error)||void 0===i||i.call(s,new f(l.error));else switch(l.type){case"Begin":e(l),null===(r=(n=this.listeners).open)||void 0===r||r.call(n,l);break;case"Turn":null===(a=(o=this.listeners).turn)||void 0===a||a.call(o,l);break;case"Termination":null===(c=this.sessionTerminatedResolve)||void 0===c||c.call(this)}}}))}stream(){return new a({write:e=>{this.sendAudio(e)}})}sendAudio(e){this.send(e)}send(e){if(!this.socket||this.socket.readyState!==this.socket.OPEN)throw new Error("Socket is not open for communication");this.socket.send(e)}close(){return t(this,arguments,void 0,(function*(e=!0){var t;if(this.socket){if(this.socket.readyState===this.socket.OPEN)if(e){const e=new Promise((e=>{this.sessionTerminatedResolve=e}));this.socket.send(S),yield e}else this.socket.send(S);(null===(t=this.socket)||void 0===t?void 0:t.removeAllListeners)&&this.socket.removeAllListeners(),this.socket.close()}this.listeners={},this.socket=void 0}))}}class O extends r{constructor(e){super(e),this.baseServiceParams=e}transcriber(e){const t=Object.assign({},e);return t.token||t.apiKey||(t.apiKey=this.baseServiceParams.apiKey),new T(t)}createTemporaryToken(e){return t(this,void 0,void 0,(function*(){const t=new URLSearchParams;Object.entries(e).forEach((([e,s])=>{null!=s&&t.append(e,String(s))}));const s=t.toString(),i=s?`/v3/token?${s}`:"/v3/token";return(yield this.fetchJson(i,{method:"GET"})).token}))}}e.AssemblyAI=class{constructor(e){e.baseUrl=e.baseUrl||"https://api.assemblyai.com",e.baseUrl&&e.baseUrl.endsWith("/")&&(e.baseUrl=e.baseUrl.slice(0,-1)),this.files=new k(e),this.transcripts=new g(e,this.files),this.lemur=new o(e),this.realtime=new b(e),this.streaming=new O(Object.assign(Object.assign({},e),{baseUrl:e.streamingBaseUrl||"https://streaming.assemblyai.com"}))}},e.FileService=k,e.LemurService=o,e.RealtimeService=class extends y{},e.RealtimeServiceFactory=class extends b{},e.RealtimeTranscriber=y,e.RealtimeTranscriberFactory=b,e.StreamingTranscriber=T,e.TranscriptService=g}));