scrapefrom
v2.6.3
Published
Scrape data from any webpage.
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scrapefrom
Scrape data from any webpage.
installation
npm i scrapefrom
node v16 support
npm i [email protected]
import
const scrapefrom = require("scrapefrom");
// or,
// import scrapefrom from "scrapefrom"
use cases
Extract document head and document body in json format as well as a key map of all available properties in dot notation.
scrapefrom("https://www.npmjs.com/package/scrapefrom").then(console.log);
Extract an array of h1 tags on a page.
scrapefrom({
url: "https://www.npmjs.com/package/scrapefrom",
extract: "h1",
}).then(console.log); // "{ h1: [...] }"
Extract an array of h1 tags on a page as "titles".
scrapefrom({
url: "https://www.npmjs.com/package/scrapefrom",
extract: { name: "titles", selector: "h1" },
}).then(console.log); // "{ titles: [...] }"
Extract a commafied list of h1 tags on a page as "titles".
scrapefrom({
url: "https://www.npmjs.com/package/scrapefrom",
extract: { name: "title", selector: "h1", delimiter: "," },
}).then(console.log); // "{ title: "...,..." }"
Extract an array of datetime attributes for all time tags on a page as "dates".
scrapefrom({
url: "https://www.npmjs.com/package/scrapefrom",
extract: {
name: "dates",
selector: "time",
attribute: "datetime",
},
}).then(console.log); // "{ dates: [...] }"
Extract previous use cases in a single response.
scrapefrom({
url: "https://www.npmjs.com/package/scrapefrom",
extracts: [
{ name: "titles", selector: "h1" },
{ name: "dates", selector: "time", attribute: "datetime" },
],
}).then(console.log); // "{ titles: [...], dates: [...] }"
Extract previous use cases from multiple URLs.
scrapefrom([
{
url: "https://www.npmjs.com/package/scrapefrom",
extracts: [
{ name: "titles", selector: "h1" },
{ name: "dates", selector: "time", attribute: "datetime" },
],
},
{
url: "https://www.npmjs.com/package/async-fetch",
extracts: [
{ name: "titles", selector: "h1" },
{ name: "dates", selector: "time", attribute: "datetime" },
],
},
]).then(console.log); // "[{ titles: [...], dates: [...] }, { titles: [...], dates: [...] }]"
Extract a list of items from a page.
scrapefrom({
url: "https://www.npmjs.com/package/async-fetch",
delimiter: "",
extract: {
selector: "tbody tr",
name: "rows",
extracts: [
{ selector: "td:nth-child(1)", name: "key" },
{ selector: "td:nth-child(2)", name: "type" },
{ selector: "td:nth-child(3)", name: "definition" },
{ selector: "td:nth-child(4)", name: "default" },
],
},
}).then(console.log); // "[ { key: "...", type: "...", definition: "...", default: "..." }, ...]"
if a page requires javascript...
By default scrapefrom utilizes fetch under the hood, but if a page is unavailable because it requires javascript, there is the option to use puppeteer (which should be able to bypass this requirement through the use of a headless chrome browser).