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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,85 +1,82 @@ | ||
| import axios from "axios"; | ||
| import { load } from "cheerio"; | ||
|
|
||
| type CrawlResult = { | ||
| links: Set<string>; | ||
| errors: Set<string>; | ||
| }; | ||
|
|
||
| const visitedLinks: Set<string> = new Set(); | ||
| const errorLinks: Set<string> = new Set(); | ||
| const queuedLinks: Set<string> = new Set(); | ||
|
|
||
| export const crawl = async ( | ||
| link: string, | ||
| startUrl: string, | ||
| maxDepth = 2, | ||
| currentDepth = 0, | ||
| maxLinks = 20, | ||
| ): Promise<Set<string>> => { | ||
| const parentUrl = new URL(link); | ||
|
|
||
| if (currentDepth > maxDepth || visitedLinks.size >= maxLinks) { | ||
| return new Set(); | ||
| } | ||
|
|
||
| if (visitedLinks.has(link)) { | ||
| return new Set(); | ||
| } | ||
| maxLinks = 20 | ||
| ): Promise<CrawlResult> => { | ||
| const queue: { url: string; depth: number }[] = [{ url: startUrl, depth: 0 }]; | ||
| const fetchedLinks: Set<string> = new Set(); | ||
|
|
||
| visitedLinks.add(link); | ||
| while (queue.length > 0 && visitedLinks.size < maxLinks) { | ||
| const batch = queue.splice(0, Math.min(queue.length, maxLinks - visitedLinks.size)); | ||
|
|
||
| await Promise.all( | ||
| batch.map(async ({ url, depth }) => { | ||
| if (visitedLinks.has(url) || depth > maxDepth) { | ||
| return; | ||
| } | ||
|
|
||
| try { | ||
| const response = await axios.get(link, { | ||
| headers: { | ||
| Accept: "text/html", | ||
| }, | ||
| }); | ||
|
|
||
| const contentType = response.headers["content-type"]; | ||
| try { | ||
| const response = await axios.get(url, { | ||
| headers: { Accept: "text/html" }, | ||
| }); | ||
|
|
||
| if (!contentType.includes("text/html")) { | ||
| console.log(`Skipping ${link} (content type: ${contentType})`); | ||
| return new Set(); | ||
| } | ||
| const contentType = response.headers['content-type']; | ||
| if (!contentType || !contentType.includes("text/html")) { | ||
| return; | ||
| } | ||
|
|
||
| const $ = load(response.data); | ||
| const links = $("a"); | ||
| const fetchedLinks: Set<string> = new Set(); | ||
| const $ = load(response.data); | ||
|
|
||
| for (let i = 0; i < links.length; i++) { | ||
| const href = $(links[i]).attr("href"); | ||
| visitedLinks.add(url); | ||
| fetchedLinks.add(url); | ||
|
|
||
| if (!href) { | ||
| continue; | ||
| } | ||
| $("a").each((_, element) => { | ||
| const href = $(element).attr("href"); | ||
| if (!href) { | ||
| return; | ||
| } | ||
|
|
||
| let absolute: string; | ||
| if (href.startsWith("/")) { | ||
| absolute = new URL(href, parentUrl.origin).href; | ||
| } else if (!isWebUrl(href)) { | ||
| absolute = new URL(href, parentUrl.origin).href; | ||
| } else { | ||
| absolute = href; | ||
| } | ||
| const absoluteUrl = normalizeUrl(new URL(href, url).href); | ||
| if (isSameDomain(absoluteUrl, startUrl) && !visitedLinks.has(absoluteUrl) && !queuedLinks.has(absoluteUrl)) { | ||
| queue.push({ url: absoluteUrl, depth: depth + 1 }); | ||
| queuedLinks.add(absoluteUrl); | ||
| } | ||
| }); | ||
| } catch (error: any) { | ||
| console.error(`Failed to fetch ${url}:`, error?.message || error); | ||
| errorLinks.add(url); | ||
| } | ||
| }) | ||
| ); | ||
| } | ||
|
|
||
| if (new URL(absolute).host !== parentUrl.host) { | ||
| continue; | ||
| } | ||
| return { links: fetchedLinks, errors: errorLinks }; | ||
| }; | ||
|
|
||
| const childLinks = await crawl( | ||
| absolute, | ||
| maxDepth, | ||
| currentDepth + 1, | ||
| maxLinks, | ||
| ); | ||
| childLinks.forEach((childLink) => fetchedLinks.add(childLink)); | ||
| } | ||
| fetchedLinks.add(link); | ||
| return fetchedLinks; | ||
| } catch (error: any) { | ||
| console.log(`Error crawling ${link}: ${error?.message}`); | ||
| return new Set(); | ||
| } | ||
| const isSameDomain = (url1: string, url2: string): boolean => { | ||
| const { hostname: host1 } = new URL(url1); | ||
| const { hostname: host2 } = new URL(url2); | ||
| return host1 === host2; | ||
| }; | ||
|
|
||
| function isWebUrl(url: string): boolean { | ||
| const normalizeUrl = (url: string): string => { | ||
| try { | ||
| new URL(url); | ||
| return true; | ||
| const urlObj = new URL(url); | ||
| urlObj.hash = ''; | ||
| return urlObj.href; | ||
| } catch (error) { | ||
| return false; | ||
| return url; | ||
| } | ||
| } | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -559,10 +559,10 @@ | |
| dependencies: | ||
| google-gax "^4.0.3" | ||
|
|
||
| "@google/generative-ai@^0.1.3": | ||
| version "0.1.3" | ||
| resolved "https://registry.yarnpkg.com/@google/generative-ai/-/generative-ai-0.1.3.tgz#8e529d4d86c85b64d297b4abf1a653d613a09a9f" | ||
| integrity sha512-Cm4uJX1sKarpm1mje/MiOIinM7zdUUrQp/5/qGPAgznbdd/B9zup5ehT6c1qGqycFcSopTA1J1HpqHS5kJR8hQ== | ||
| "@google/generative-ai@^0.7.0": | ||
| version "0.7.1" | ||
| resolved "https://registry.yarnpkg.com/@google/generative-ai/-/generative-ai-0.7.1.tgz#eb187c75080c0706245699dbc06816c830d8c6a7" | ||
| integrity sha512-WTjMLLYL/xfA5BW6xAycRPiAX7FNHKAxrid/ayqC1QMam0KAK0NbMeS9Lubw80gVg5xFMLE+H7pw4wdNzTOlxw== | ||
|
|
||
| "@grammyjs/files@^1.0.4": | ||
| version "1.0.4" | ||
|
|
@@ -707,7 +707,7 @@ | |
| "@jridgewell/resolve-uri" "3.1.0" | ||
| "@jridgewell/sourcemap-codec" "1.4.14" | ||
|
|
||
| "@langchain/anthropic@^0.1.4": | ||
| "@langchain/[email protected]": | ||
| version "0.1.4" | ||
| resolved "https://registry.yarnpkg.com/@langchain/anthropic/-/anthropic-0.1.4.tgz#49c2e4625860baea0b9b5035c4c7e93a81bed704" | ||
| integrity sha512-4i25R0dHx+8N7ofI0NGE02LKG9UkhRiAjFS5iNbRcByCSIoovAuTBvdEqpwbDnqn+NkORnP/Wyw3tqFeMtMgYA== | ||
|
|
@@ -738,7 +738,7 @@ | |
| uuid "^9.0.0" | ||
| zod "^3.22.3" | ||
|
|
||
| "@langchain/[email protected]", "@langchain/core@~0.1", "@langchain/core@~0.1.36", "@langchain/core@~0.1.41", "@langchain/core@~0.1.5": | ||
| "@langchain/[email protected]", "@langchain/core@>0.1.5 <0.3.0", "@langchain/core@~0.1", "@langchain/core@~0.1.36", "@langchain/core@~0.1.41": | ||
| version "0.1.43" | ||
| resolved "https://registry.yarnpkg.com/@langchain/core/-/core-0.1.43.tgz#2d0af42817f8d431bba5252b2ff667a9cb3a25e5" | ||
| integrity sha512-owE+UU38e4TsUq5yoaKCF+ag6u0ppwgdaqEt2Q57pdcr9nEcy8/PgTunxB10Vksq4fTJgnwWEYf/wMGZnFlRow== | ||
|
|
@@ -755,13 +755,14 @@ | |
| zod "^3.22.4" | ||
| zod-to-json-schema "^3.22.3" | ||
|
|
||
| "@langchain/google-genai@^0.0.10": | ||
| version "0.0.10" | ||
| resolved "https://registry.yarnpkg.com/@langchain/google-genai/-/google-genai-0.0.10.tgz#05459e668cd018f2e4b0fb639083014151b0ef08" | ||
| integrity sha512-neFuCoMew9t8IYM5srh6RVUFQsZxqPtAFVJ0mWtZqHXtb627MECs5FYr+xw1ptPKSbhIAN5H8sgdObqes4bN3A== | ||
| "@langchain/google-genai@^0.0.16": | ||
| version "0.0.16" | ||
| resolved "https://registry.yarnpkg.com/@langchain/google-genai/-/google-genai-0.0.16.tgz#aa1c580b27110f03ce9c5f896a3957419ba95489" | ||
| integrity sha512-aUHEeY7sTwxNqj7L5scvnOhNLOKPVSvf7HR6p1Y3M7BPyU63fXP7faB+qyuHmibtKU8pj+ApoXPpjRflYKSv4w== | ||
| dependencies: | ||
| "@google/generative-ai" "^0.1.3" | ||
| "@langchain/core" "~0.1.5" | ||
| "@google/generative-ai" "^0.7.0" | ||
| "@langchain/core" ">0.1.5 <0.3.0" | ||
| zod-to-json-schema "^3.22.4" | ||
|
|
||
| "@langchain/openai@^0.0.18", "@langchain/openai@~0.0.14": | ||
| version "0.0.18" | ||
|
|
@@ -2996,9 +2997,9 @@ fast-uri@^2.0.0, fast-uri@^2.1.0: | |
| integrity sha512-eel5UKGn369gGEWOqBShmFJWfq/xSJvsgDzgLYC845GneayWvXBf0lJCBn5qTABfewy1ZDPoaR5OZCP+kssfuw== | ||
|
|
||
| fast-xml-parser@^4.3.5: | ||
| version "4.3.5" | ||
| resolved "https://registry.yarnpkg.com/fast-xml-parser/-/fast-xml-parser-4.3.5.tgz#e2f2a2ae8377e9c3dc321b151e58f420ca7e5ccc" | ||
| integrity sha512-sWvP1Pl8H03B8oFJpFR3HE31HUfwtX7Rlf9BNsvdpujD4n7WMhfmu8h9wOV2u+c1k0ZilTADhPqypzx2J690ZQ== | ||
| version "4.4.0" | ||
| resolved "https://registry.yarnpkg.com/fast-xml-parser/-/fast-xml-parser-4.4.0.tgz#341cc98de71e9ba9e651a67f41f1752d1441a501" | ||
| integrity sha512-kLY3jFlwIYwBNDojclKsNAC12sfD6NwW74QB2CoNGPvtVxjliYehVunB3HYyNi+n4Tt1dAcgwYvmKF/Z18flqg== | ||
| dependencies: | ||
| strnum "^1.0.5" | ||
|
|
||
|
|
||