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dummy-actor

knowing_didgeridoo/dummy-actor

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.actor/Dockerfile

1# Specify the base Docker image. You can read more about
2# the available images at https://docs.apify.com/sdk/js/docs/guides/docker-images
3# You can also use any other image from Docker Hub.
4FROM apify/actor-node:18
5
6# Copy just package.json and package-lock.json
7# to speed up the build using Docker layer cache.
8COPY package*.json ./
9
10# Install NPM packages, skip optional and development dependencies to
11# keep the image small. Avoid logging too much and print the dependency
12# tree for debugging
13RUN npm --quiet set progress=false \
14    && npm install --omit=dev --omit=optional \
15    && echo "Installed NPM packages:" \
16    && (npm list --omit=dev --all || true) \
17    && echo "Node.js version:" \
18    && node --version \
19    && echo "NPM version:" \
20    && npm --version \
21    && rm -r ~/.npm
22
23# Next, copy the remaining files and directories with the source code.
24# Since we do this after NPM install, quick build will be really fast
25# for most source file changes.
26COPY . ./
27
28
29# Run the image.
30CMD npm start --silent

.actor/actor.json

1{
2    "actorSpecification": 1,
3    "name": "my-actor-13",
4    "title": "Scrape single page in JavaScript",
5    "description": "Scrape data from single page with provided URL.",
6    "version": "0.0",
7    "maxMemoryMbytes": 1024,
8    "meta": {
9        "templateId": "js-start"
10    },
11    "input": "./input_schema.json",
12    "dockerfile": "./Dockerfile"
13}

.actor/input_schema.json

1{
2    "title": "Scrape data from a web page",
3    "type": "object",
4    "schemaVersion": 1,
5    "properties": {
6        "url": {
7            "title": "URL of the page",
8            "type": "string",
9            "description": "The URL of website you want to get the data from.",
10            "editor": "textfield",
11            "prefill": "https://www.apify.com/"
12        }
13    },
14    "required": ["url"]
15}

src/main.js

1// Axios - Promise based HTTP client for the browser and node.js (Read more at https://axios-http.com/docs/intro).
2import axios from "axios";
3// Cheerio - The fast, flexible & elegant library for parsing and manipulating HTML and XML (Read more at https://cheerio.js.org/).
4import * as cheerio from "cheerio";
5// Apify SDK - toolkit for building Apify Actors (Read more at https://docs.apify.com/sdk/js/).
6import { Actor } from "apify";
7
8const { APIFY_API_PUBLIC_BASE_URL, APIFY_API_BASE_URL, APIFY_DEFAULT_KEY_VALUE_STORE_ID } = process.env;
9
10// process.env.APIFY_API_BASE_URL = APIFY_API_PUBLIC_BASE_URL;
11
12const kvUrl = `${APIFY_API_PUBLIC_BASE_URL}/v2/key-value-stores/${APIFY_DEFAULT_KEY_VALUE_STORE_ID}`;
13
14const kvResponse = await axios.get(kvUrl);
15console.log('kvResponse', { data: kvResponse.data });
16
17// The init() call configures the Actor for its environment. It's recommended to start every Actor with an init().
18await Actor.init();
19console.log('env', { ...process.env });
20// Structure of input is defined in input_schema.json
21const input = await Actor.getInput();
22const { url } = input;
23
24// Fetch the HTML content of the page.
25const response = await axios.get(url);
26
27// Parse the downloaded HTML with Cheerio to enable data extraction.
28const $ = cheerio.load(response.data);
29
30// Extract all headings from the page (tag name and text).
31const headings = [];
32$("h1, h2, h3, h4, h5, h6").each((i, element) => {
33    const headingObject = {
34        level: $(element).prop("tagName").toLowerCase(),
35        text: $(element).text(),
36    };
37    console.log("Extracted heading", headingObject);
38    headings.push(headingObject);
39});
40
41// Save headings to Dataset - a table-like storage.
42await Actor.pushData(headings);
43
44// Gracefully exit the Actor process. It's recommended to quit all Actors with an exit().
45await Actor.exit();

.dockerignore

1# configurations
2.idea
3
4# crawlee and apify storage folders
5apify_storage
6crawlee_storage
7storage
8
9# installed files
10node_modules
11
12# git folder
13.git

.gitignore

1# This file tells Git which files shouldn't be added to source control
2.DS_Store
3.idea
4dist
5node_modules
6apify_storage
7storage/*
8!storage/key_value_stores
9storage/key_value_stores/*
10!storage/key_value_stores/default
11storage/key_value_stores/default/*
12!storage/key_value_stores/default/INPUT.json

package.json

1{
2    "name": "js-scrape-single-page",
3    "version": "0.0.1",
4    "type": "module",
5    "description": "This is an example of an Apify actor.",
6    "engines": {
7        "node": ">=18.0.0"
8    },
9    "dependencies": {
10        "apify": "^3.0.0",
11        "axios": "^1.4.0",
12        "cheerio": "^1.0.0-rc.12"
13    },
14    "scripts": {
15        "start": "node ./src/main.js",
16        "test": "echo \"Error: oops, the actor has no tests yet, sad!\" && exit 1"
17    },
18    "author": "It's not you it's me",
19    "license": "ISC"
20}

Developer

Jan Novotny

Actor Metrics

1 monthly user
2 stars
>99% runs succeeded
Created in Jul 2023
Modified a year ago

Categories

Other

Web Scraper

apify/web-scraper

The scraper of Web

Apify Technologies

135

Test Input Fields

gip/test-input-fields

Actor with different input fields from input schema

Jaroslav Hejlek

Wait For Element

drobnikj/wait-for-element

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