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.actor/Dockerfile

# 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
# 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 debugging
RUN 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

.actor/actor.json

{
"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"
}

.actor/input_schema.json

{
"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
}
}
}

.dockerignore

# configurations
.idea
# crawlee and apify storage folders
apify_storage
crawlee_storage
storage
# installed files
node_modules
# git folder
.git

.editorconfig

root = true
[*]
indent_style = space
indent_size = 4
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
end_of_line = lf

.eslintrc

{
"extends": "@apify",
"root": true
}

.gitignore

# This file tells Git which files shouldn't be added to source control
.DS_Store
.idea
dist
node_modules
apify_storage
storage

package.json

{
"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": "^3.1.10",
"crawlee": "^3.5.4"
},
"devDependencies": {
"@apify/eslint-config": "^0.4.0",
"eslint": "^8.50.0"
},
"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"
}

src/main.js

1// Apify SDK - toolkit for building Apify Actors (Read more at https://docs.apify.com/sdk/js/)
2import { Actor } from 'apify';
3// Crawlee - web scraping and browser automation library (Read more at https://crawlee.dev)
4import { CheerioCrawler, Dataset } from 'crawlee';
5// this is ESM project, and as such, it requires you to specify extensions in your relative imports
6// read more about this here: https://nodejs.org/docs/latest-v18.x/api/esm.html#mandatory-file-extensions
7// import { router } from './routes.js';
8
9// The init() call configures the Actor for its environment. It's recommended to start every Actor with an init()
10await Actor.init();
11
12// Structure of input is defined in input_schema.json
13const {
14 startUrls = ['https://crawlee.dev'],
15 maxRequestsPerCrawl = 100,
16} = await Actor.getInput() ?? {};
17
18const proxyConfiguration = await Actor.createProxyConfiguration();
19
20const crawler = new CheerioCrawler({
21 proxyConfiguration,
22 maxRequestsPerCrawl,
23 async requestHandler({ enqueueLinks, request, $, log }) {
24 log.info('enqueueing new URLs');
25 await enqueueLinks();
26
27 // Extract title from the page.
28 const title = $('title').text();
29 log.info(`${title}`, { url: request.loadedUrl });
30
31 // Save url and title to Dataset - a table-like storage.
32 await Dataset.pushData({ url: request.loadedUrl, title });
33 },
34});
35
36await crawler.run(startUrls);
37
38// Gracefully exit the Actor process. It's recommended to quit all Actors with an exit()
39await Actor.exit();