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/** @format */
"use strict";
// const model_name = "mistralai/Mistral-7B-Instruct-v0.3";
const model_name = "mistralai/Mixtral-8x7B-Instruct-v0.1";
// const model_name = "mistralai/Mixtral-8x22B-Instruct-v0.1"
async function requestGet(url) {
try {
const response = await fetch(url, {
method: "GET",
headers: {
"Content-Type": "text/plain;charset=UTF-8",
},
});
if (!response.ok) {
throw new Error(`HTTP error! status: ${response.status}`);
}
const arrayBuffer = await response.arrayBuffer();
const text = new TextDecoder("utf-8").decode(arrayBuffer);
return text;
} catch (error) {
console.error(error);
let message;
if (error.name === "AbortError") {
message = "Request was aborted";
} else if (error.message.includes("HTTP error! status")) {
message = error.message;
} else {
message = "An error occurred";
}
alert(`requestGet()\nurl: ${url}\n${message}`);
throw error;
}
}
const ERROR_TOKENS = "ERROR_TOKENS";
const TIMEOUT_ERROR = "TIMEOUT_ERROR";
const getErrorType = (status, data) => {
let errorType;
if (status >= 500) {
errorType = "SERVER_ERROR";
} else if (status >= 400 && status < 500) {
if (typeof data === "object" && data.error_type === "validation") {
if (data.error.includes("tokens")) {
errorType = ERROR_TOKENS;
} else {
errorType = "ERROR_VALIDATION";
}
} else {
errorType = "CLIENT_ERROR";
}
} else {
errorType = "UNKNOWN_ERROR";
}
return errorType;
};
const checkResponse = (data) => {
if (!data || !Array.isArray(data) || data.length === 0) {
return "INVALID_DATA";
}
if (!data[0].generated_text) {
return "MISSING_GENERATED_TEXT";
}
return "ok";
};
const createErrorInfo = (status, statusText, msg, errorType) => {
const err = {
status: status,
statusText: statusText,
errorType: errorType,
message: msg || "Errore sconosciuto",
};
return JSON.stringify(err);
};
const HfRequest = {
controller: null,
isCancelled: false,
baseUrl: "https://api-inference.huggingface.co/models",
async post(payload, timeout = 50000) {
this.isCancelled = false;
this.controller = new AbortController();
let response;
try {
const timeoutId = setTimeout(() => {
this.controller.abort();
}, timeout);
response = await fetch(`${this.baseUrl}/${model_name}`, {
method: "POST",
headers: {
Authorization: `Bearer ${tm}`,
"Content-Type": "application/json",
},
body: JSON.stringify(payload),
signal: this.controller.signal,
});
clearTimeout(timeoutId);
if (this.isCancelled) return null;
const data = await response.json();
if (!response.ok) {
const errorType = getErrorType(response.status, data);
const errorInfo = createErrorInfo(response.status, response.statusText, data.error, errorType);
throw new Error(errorInfo);
}
const okResp = checkResponse(data);
if (okResp !== "ok") {
const errorInfo = createErrorInfo(response.status, response.statusText, data.error, okResp);
throw new Error(errorInfo);
}
return data[0].generated_text.trim();
} catch (error) {
if (this.isCancelled) return null;
if (error.name === "AbortError") {
const errorInfo = createErrorInfo(0, "Timeout", "La richiesta è scaduta", TIMEOUT_ERROR);
throw new Error(errorInfo);
}
throw error;
}
},
cancelRequest() {
if (this.controller) {
this.isCancelled = true;
this.controller.abort();
}
},
};
function getErrorInfo(error) {
let js = {};
try {
js = JSON.parse(error.message);
} catch (err) {
const msg = `getErrorInfo\n${error}`;
console.error(msg);
js = {
status: "0",
statusText: "status_errorInof",
errorType: "UNKNOWN_ERROR_errorInfo",
message: msg,
};
} finally {
return js;
}
}
function errorToText(err) {
let s;
try {
const j = JSON.parse(err.message);
s = `Error:
Status: ${j.status}
Status Text: ${j.statusText}
Error Type: ${j.errorType}
Message: ${j.message}`;
} catch (err) {
const msg = `errorToText\n${err}`;
console.error(msg);
s = `${err}`;
} finally {
return s;
}
}
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