0
v-firecrawl/apps/js-sdk/firecrawl/build/index.js
2024-06-18 05:42:25 +05:30

256 lines
11 KiB
JavaScript

var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
import axios from "axios";
import { z } from "zod";
import { zodToJsonSchema } from "zod-to-json-schema";
/**
* Main class for interacting with the Firecrawl API.
*/
export default class FirecrawlApp {
/**
* Initializes a new instance of the FirecrawlApp class.
* @param {FirecrawlAppConfig} config - Configuration options for the FirecrawlApp instance.
*/
constructor({ apiKey = null, apiUrl = null }) {
this.apiKey = apiKey || "";
this.apiUrl = apiUrl || "https://api.firecrawl.dev";
if (!this.apiKey) {
throw new Error("No API key provided");
}
}
/**
* Scrapes a URL using the Firecrawl API.
* @param {string} url - The URL to scrape.
* @param {Params | null} params - Additional parameters for the scrape request.
* @returns {Promise<ScrapeResponse>} The response from the scrape operation.
*/
scrapeUrl(url_1) {
return __awaiter(this, arguments, void 0, function* (url, params = null) {
var _a;
const headers = {
"Content-Type": "application/json",
Authorization: `Bearer ${this.apiKey}`,
};
let jsonData = Object.assign({ url }, params);
if ((_a = params === null || params === void 0 ? void 0 : params.extractorOptions) === null || _a === void 0 ? void 0 : _a.extractionSchema) {
let schema = params.extractorOptions.extractionSchema;
// Check if schema is an instance of ZodSchema to correctly identify Zod schemas
if (schema instanceof z.ZodSchema) {
schema = zodToJsonSchema(schema);
}
jsonData = Object.assign(Object.assign({}, jsonData), { extractorOptions: Object.assign(Object.assign({}, params.extractorOptions), { extractionSchema: schema, mode: params.extractorOptions.mode || "llm-extraction" }) });
}
try {
const response = yield axios.post(this.apiUrl + "/v0/scrape", jsonData, { headers });
if (response.status === 200) {
const responseData = response.data;
if (responseData.success) {
return responseData;
}
else {
throw new Error(`Failed to scrape URL. Error: ${responseData.error}`);
}
}
else {
this.handleError(response, "scrape URL");
}
}
catch (error) {
throw new Error(error.message);
}
return { success: false, error: "Internal server error." };
});
}
/**
* Searches for a query using the Firecrawl API.
* @param {string} query - The query to search for.
* @param {Params | null} params - Additional parameters for the search request.
* @returns {Promise<SearchResponse>} The response from the search operation.
*/
search(query_1) {
return __awaiter(this, arguments, void 0, function* (query, params = null) {
const headers = {
"Content-Type": "application/json",
Authorization: `Bearer ${this.apiKey}`,
};
let jsonData = { query };
if (params) {
jsonData = Object.assign(Object.assign({}, jsonData), params);
}
try {
const response = yield axios.post(this.apiUrl + "/v0/search", jsonData, { headers });
if (response.status === 200) {
const responseData = response.data;
if (responseData.success) {
return responseData;
}
else {
throw new Error(`Failed to search. Error: ${responseData.error}`);
}
}
else {
this.handleError(response, "search");
}
}
catch (error) {
throw new Error(error.message);
}
return { success: false, error: "Internal server error." };
});
}
/**
* Initiates a crawl job for a URL using the Firecrawl API.
* @param {string} url - The URL to crawl.
* @param {Params | null} params - Additional parameters for the crawl request.
* @param {boolean} waitUntilDone - Whether to wait for the crawl job to complete.
* @param {number} pollInterval - Time in seconds for job status checks.
* @param {string} idempotencyKey - Optional idempotency key for the request.
* @returns {Promise<CrawlResponse | any>} The response from the crawl operation.
*/
crawlUrl(url_1) {
return __awaiter(this, arguments, void 0, function* (url, params = null, waitUntilDone = true, pollInterval = 2, idempotencyKey) {
const headers = this.prepareHeaders(idempotencyKey);
let jsonData = { url };
if (params) {
jsonData = Object.assign(Object.assign({}, jsonData), params);
}
try {
const response = yield this.postRequest(this.apiUrl + "/v0/crawl", jsonData, headers);
if (response.status === 200) {
const jobId = response.data.jobId;
if (waitUntilDone) {
return this.monitorJobStatus(jobId, headers, pollInterval);
}
else {
return { success: true, jobId };
}
}
else {
this.handleError(response, "start crawl job");
}
}
catch (error) {
console.log(error);
throw new Error(error.message);
}
return { success: false, error: "Internal server error." };
});
}
/**
* Checks the status of a crawl job using the Firecrawl API.
* @param {string} jobId - The job ID of the crawl operation.
* @returns {Promise<JobStatusResponse>} The response containing the job status.
*/
checkCrawlStatus(jobId) {
return __awaiter(this, void 0, void 0, function* () {
const headers = this.prepareHeaders();
try {
const response = yield this.getRequest(this.apiUrl + `/v0/crawl/status/${jobId}`, headers);
if (response.status === 200) {
return {
success: true,
status: response.data.status,
data: response.data.data,
partial_data: !response.data.data ? response.data.partial_data : undefined,
};
}
else {
this.handleError(response, "check crawl status");
}
}
catch (error) {
throw new Error(error.message);
}
return {
success: false,
status: "unknown",
error: "Internal server error.",
};
});
}
/**
* Prepares the headers for an API request.
* @returns {AxiosRequestHeaders} The prepared headers.
*/
prepareHeaders(idempotencyKey) {
return Object.assign({ 'Content-Type': 'application/json', 'Authorization': `Bearer ${this.apiKey}` }, (idempotencyKey ? { 'x-idempotency-key': idempotencyKey } : {}));
}
/**
* Sends a POST request to the specified URL.
* @param {string} url - The URL to send the request to.
* @param {Params} data - The data to send in the request.
* @param {AxiosRequestHeaders} headers - The headers for the request.
* @returns {Promise<AxiosResponse>} The response from the POST request.
*/
postRequest(url, data, headers) {
return axios.post(url, data, { headers });
}
/**
* Sends a GET request to the specified URL.
* @param {string} url - The URL to send the request to.
* @param {AxiosRequestHeaders} headers - The headers for the request.
* @returns {Promise<AxiosResponse>} The response from the GET request.
*/
getRequest(url, headers) {
return axios.get(url, { headers });
}
/**
* Monitors the status of a crawl job until completion or failure.
* @param {string} jobId - The job ID of the crawl operation.
* @param {AxiosRequestHeaders} headers - The headers for the request.
* @param {number} timeout - Timeout in seconds for job status checks.
* @returns {Promise<any>} The final job status or data.
*/
monitorJobStatus(jobId, headers, checkInterval) {
return __awaiter(this, void 0, void 0, function* () {
while (true) {
const statusResponse = yield this.getRequest(this.apiUrl + `/v0/crawl/status/${jobId}`, headers);
if (statusResponse.status === 200) {
const statusData = statusResponse.data;
if (statusData.status === "completed") {
if ("data" in statusData) {
return statusData.data;
}
else {
throw new Error("Crawl job completed but no data was returned");
}
}
else if (["active", "paused", "pending", "queued"].includes(statusData.status)) {
if (checkInterval < 2) {
checkInterval = 2;
}
yield new Promise((resolve) => setTimeout(resolve, checkInterval * 1000)); // Wait for the specified timeout before checking again
}
else {
throw new Error(`Crawl job failed or was stopped. Status: ${statusData.status}`);
}
}
else {
this.handleError(statusResponse, "check crawl status");
}
}
});
}
/**
* Handles errors from API responses.
* @param {AxiosResponse} response - The response from the API.
* @param {string} action - The action being performed when the error occurred.
*/
handleError(response, action) {
if ([402, 408, 409, 500].includes(response.status)) {
const errorMessage = response.data.error || "Unknown error occurred";
throw new Error(`Failed to ${action}. Status code: ${response.status}. Error: ${errorMessage}`);
}
else {
throw new Error(`Unexpected error occurred while trying to ${action}. Status code: ${response.status}`);
}
}
}