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# First, specify the base Docker image. You can read more about# the available images at https://sdk.apify.com/docs/guides/docker-images# You can also use any other image from Docker Hub.FROM apify/actor-node:16
# Second, copy just package.json and package-lock.json since those are the only# files that affect "npm install" in the next step, to speed up the build.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 --only=prod --no-optional \ && echo "Installed NPM packages:" \ && (npm list || true) \ && echo "Node.js version:" \ && node --version \ && echo "NPM version:" \ && npm --version
# 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 . ./
# Optionally, specify how to launch the source code of your actor.# By default, Apify's base Docker images define the CMD instruction# that runs the Node.js source code using the command specified# in the "scripts.start" section of the package.json file.# In short, the instruction looks something like this:## CMD npm start1// This is the main Node.js source code file of your actor.2// It is referenced from the "scripts" section of the package.json file.3
4const Apify = require('apify');5
6Apify.main(async () => {7 // Get input of the actor. Input fields can be modified in INPUT_SCHEMA.json file.8 // For more information, see https://docs.apify.com/actors/development/input-schema9 const input = await Apify.getInput();10 console.log('Input:');11 console.dir(input);12
13 // Here you can prepare your input for actor apify/web-scraper this input is based on a actor14 // task you used as the starting point.15 const metamorphInput = {16 "breakpointLocation": "NONE",17 "browserLog": false,18 "debugLog": false,19 "downloadCss": true,20 "downloadMedia": true,21 "ignoreCorsAndCsp": false,22 "ignoreSslErrors": false,23 "injectJQuery": true,24 "keepUrlFragments": false,25 "maxRequestRetries": input.maxRequestRetries,26 "pageFunction": // The function accepts a single argument: the "context" object.27 // For a complete list of its properties and functions,28 // see https://apify.com/apify/web-scraper#page-function 29 async function pageFunction(context) {30 // This statement works as a breakpoint when you're trying to debug your code. Works only with Run mode: DEVELOPMENT!31 // debugger; 32 // jQuery is handy for finding DOM elements and extracting data from them.33 // To use it, make sure to enable the "Inject jQuery" option.34 const $ = context.jQuery;35 const search = "#SearchProductCardComponent";36 let timeoutMillis; // undefined37 await context.waitFor(2000);38 // 2 sec timeout after the first.39 40 const products = document.querySelectorAll(search);41 42 43 var results = [];44 45 for (let i = 0; i < products.length-1; i++ )46 {47 48 var logoURL = "";49 var url = "";50 var name = "";51 var category = "";52 try{logoURL = products[i].getElementsByTagName('img')[0].src;}53 catch(error){}54 try{url = products[i].childNodes[1].childNodes[0].href;}55 catch(error){}56 try{name = products[i].childNodes[1].childNodes[0].text;}57 catch(error){}58 try{category = products[i].childNodes[1].childNodes[1].text;}59 catch(error){}60 results.push({"name":name,"url":url,"logoURL":logoURL,"category":category})61 62 }63 64 65 // Print some information to actor log66 67 68 // Manually add a new page to the queue for scraping69 70 // Return an object with the data extracted from the page.71 // It will be stored to the resulting dataset.72 return {73 results: results74 };75 },76 "postNavigationHooks": `// We need to return array of (possibly async) functions here.77 // The functions accept a single argument: the "crawlingContext" object.78 [79 async (crawlingContext) => {80 // ...81 },82 ]`,83 "preNavigationHooks": `// We need to return array of (possibly async) functions here.84 // The functions accept two arguments: the "crawlingContext" object85 // and "gotoOptions".86 [87 async (crawlingContext, gotoOptions) => {88 // ...89 },90 ]`,91 "proxyConfiguration": {92 "useApifyProxy": true,93 "apifyProxyCountry": "US"94 },95 "startUrls": input.startUrls,96 "runMode": "PRODUCTION",97 "useChrome": false,98 "waitUntil": [99 "networkidle2"100 ]101 };102
103 // Now let's metamorph into actor apify/web-scraper using the created input.104 await Apify.metamorph('apify/web-scraper', metamorphInput);105});{ "name": "my-actor", "version": "0.0.1", "dependencies": { "apify": "^2.2.2" }, "scripts": { "start": "node main.js" }, "author": "Me!"}