mirror of
https://github.com/NikolaiT/se-scraper.git
synced 2024-10-05 17:42:06 +02:00
75 lines
2.2 KiB
JavaScript
75 lines
2.2 KiB
JavaScript
const handler = require('./src/node_scraper.js');
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var fs = require('fs');
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var os = require("os");
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exports.scrape = async function(config, callback) {
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// options for scraping
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event = {
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// the user agent to scrape with
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user_agent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36',
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// if random_user_agent is set to True, a random user agent is chosen
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random_user_agent: false,
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// whether to select manual settings in visible mode
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set_manual_settings: false,
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// get meta data of scraping in return object
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write_meta_data: true,
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log_http_headers: false,
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// how long to sleep between requests. a random sleep interval within the range [a,b]
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// is drawn before every request. empty string for no sleeping.
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sleep_range: '[1,1]',
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// which search engine to scrape
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search_engine: 'google',
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compress: false, // compress
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debug: false,
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verbose: false,
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keywords: ['scrapeulous.com'],
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// whether to start the browser in headless mode
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headless: true,
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// path to output file, data will be stored in JSON
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output_file: '',
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// whether to prevent images, css, fonts and media from being loaded
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// will speed up scraping a great deal
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block_assets: true,
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// path to js module that extends functionality
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// this module should export the functions:
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// get_browser, handle_metadata, close_browser
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//custom_func: resolve('examples/pluggable.js'),
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custom_func: '',
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// use a proxy for all connections
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// example: 'socks5://78.94.172.42:1080'
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// example: 'http://118.174.233.10:48400'
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proxy: '',
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};
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// overwrite default config
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for (var key in config) {
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event[key] = config[key];
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}
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if (fs.existsSync(event.keyword_file)) {
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event.keywords = read_keywords_from_file(event.keyword_file);
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}
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if (!callback) {
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// called when results are ready
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callback = function (err, response) {
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if (err) {
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console.error(err)
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}
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console.dir(response.results, {depth: null, colors: true});
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}
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}
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await handler.handler(event, undefined, callback );
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};
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function read_keywords_from_file(fname) {
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let kws = fs.readFileSync(fname).toString().split(os.EOL);
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// clean keywords
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kws = kws.filter((kw) => {
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return kw.trim().length > 0;
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});
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return kws;
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}
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