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Pay per usage
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Pay per usage
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Developer
Daniil Gerasimenko
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6
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10 months ago
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# Specify the base Docker image. You can read more about# the available images at https://docs.apify.com/sdk/js/docs/guides/docker-images# You can also use any other image from Docker Hub.FROM apify/actor-node:20
# Check preinstalled packagesRUN npm ls crawlee apify puppeteer playwright
# Copy just package.json and package-lock.json# to speed up the build using Docker layer cache.COPY package*.json ./
# Install NPM packages, skip optional and development dependencies to# keep the image small. Avoid logging too much and print the dependency# tree for debuggingRUN npm --quiet set progress=false \ && npm install --omit=dev --omit=optional \ && echo "Installed NPM packages:" \ && (npm list --omit=dev --all || true) \ && echo "Node.js version:" \ && node --version \ && echo "NPM version:" \ && npm --version \ && rm -r ~/.npm
# Next, copy the remaining files and directories with the source code.# Since we do this after NPM install, quick build will be really fast# for most source file changes.COPY . ./
# Run the image.CMD npm start --silent{ "actorSpecification": 1, "name": "my-actor", "title": "Project Cheerio Crawler Javascript", "description": "Crawlee and Cheerio project in javascript.", "version": "0.0", "meta": { "templateId": "js-crawlee-cheerio" }, "input": "./input_schema.json", "dockerfile": "./Dockerfile"}{ "title": "CheerioCrawler Template", "type": "object", "schemaVersion": 1, "properties": { "startUrls": { "title": "Start URLs", "type": "array", "description": "URLs to start with.", "editor": "requestListSources", "prefill": [ { "url": "https://crawlee.dev" } ] }, "maxRequestsPerCrawl": { "title": "Max Requests per Crawl", "type": "integer", "description": "Maximum number of requests that can be made by this crawler.", "default": 100 } }}1// Apify SDK - toolkit for building Apify Actors (Read more at https://docs.apify.com/sdk/js/)2import { Actor } from 'apify';3import _ from 'lodash';4// Crawlee - web scraping and browser automation library (Read more at https://crawlee.dev)5import { CheerioCrawler } from 'crawlee';6// this is ESM project, and as such, it requires you to specify extensions in your relative imports7// read more about this here: https://nodejs.org/docs/latest-v18.x/api/esm.html#mandatory-file-extensions8// import { router } from './routes.js';9
10// The init() call configures the Actor for its environment. It's recommended to start every Actor with an init()11await Actor.init();12
13// Structure of input is defined in input_schema.json14const {15 startUrls = ['https://crawlee.dev'],16 maxRequestsPerCrawl = 100,17} = await Actor.getInput() ?? {};18
19const proxyConfiguration = await Actor.createProxyConfiguration();20
21const crawler = new CheerioCrawler({22 proxyConfiguration,23 maxRequestsPerCrawl,24 async requestHandler({ enqueueLinks, request, $, log }) {25 // log.info('enqueueing new URLs');26 // await enqueueLinks();27
28 // Extract title from the page.29 const title = $('title').text();30 log.info(`${title}`, { url: request.loadedUrl });31
32 const telegramLinks = $('a[href*="t.me"]');33 const vkLinks = $('a[href*="vk"]');34 const waLinks = $('a[href*="wa.me"], a[href*="api.whatsapp"]');35
36 const data = [];37
38 [telegramLinks, vkLinks, waLinks].forEach((links) => {39 links.each((idx, link) => {40 data.push({contact: $(link).attr('href')})41 })42 })43
44 const uniqContacts = _.uniqBy(data, 'contact');45
46 Actor.pushData({url: request.loadedUrl, contacts: uniqContacts})47 },48});49
50await crawler.run(startUrls);51
52// Gracefully exit the Actor process. It's recommended to quit all Actors with an exit()53await Actor.exit();# configurations.idea
# crawlee and apify storage foldersapify_storagecrawlee_storagestorage
# installed filesnode_modules
# git folder.gitroot = true
[*]indent_style = spaceindent_size = 4charset = utf-8trim_trailing_whitespace = trueinsert_final_newline = trueend_of_line = lf{ "extends": "@apify", "root": true}# This file tells Git which files shouldn't be added to source control
.DS_Store.ideadistnode_modulesapify_storagestorage{ "name": "crawlee-cheerio-javascript", "version": "0.0.1", "type": "module", "description": "This is a boilerplate of an Apify actor.", "engines": { "node": ">=18.0.0" }, "dependencies": { "apify": "^3.2.6", "crawlee": "^3.11.5" }, "devDependencies": { "@apify/eslint-config": "^0.4.0", "eslint": "^8.50.0", "lodash": "^4.17.21" }, "scripts": { "start": "node src/main.js", "lint": "eslint ./src --ext .js,.jsx", "lint:fix": "eslint ./src --ext .js,.jsx --fix", "test": "echo \"Error: oops, the actor has no tests yet, sad!\" && exit 1" }, "author": "It's not you it's me", "license": "ISC"}