Cairn

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Cairn is an npm package and CLI tool for saving the web page as a single HTML file, it is TypeScript implementation of Obelisk.

Features

Usage

As CLI tool

npm install -g @wabarc/cairn

$ cairn -h

Usage: cairn [options] url1 [url2]...[urlN]

CLI tool for saving web page as single HTML file

Options:
  -v, --version              output the current version
  -o, --output <string>      path to save archival result
  -u, --user-agent <string>  set custom user agent
  -t, --timeout <number>     maximum time (in second) request timeout
  --no-js                    disable JavaScript
  --no-css                   disable CSS styling
  --no-embeds                remove embedded elements (e.g iframe)
  --no-medias                remove media elements (e.g img, audio)
  -h, --help                 display help for command

As npm package

npm install @wabarc/cairn

import { Cairn } from '@wabarc/cairn';
// const cairn = require('@wabarc/cairn');

const cairn = new Cairn();

cairn
  .request({ url: url })
  .options({ userAgent: 'Cairn/2.0.0' })
  .archive()
  .then((archived) => {
    console.log(archived.url, archived.webpage.html());
  })
  .catch((err) => console.warn(`${url} => ${JSON.stringify(err)}`));

Instance methods

cairn#request({ url: string }): this

cairn#options({}): this

• userAgent?: string;
• disableJS?: boolean;
• disableCSS?: boolean;
• disableEmbeds?: boolean;
• disableMedias?: boolean;
• timeout?: number;

cairn#archive(): Promise

cairn#Archived

• url: string;
• webpage: cheerio.Root;
• status: 200 | 400 | 401 | 403 | 404 | 500 | 502 | 503 | 504;
• contentType: 'text/html' | 'text/plain' | 'text/*';

Request Params

request

{
  // `url` is archival target.
  url: 'https://www.github.com'
}

options

{
  userAgent: 'Cairn/2.0.0',

  disableJS: true,
  disableCSS: false,
  disableEmbeds: false,
  disableMedias: true,

  timeout: 30
}

Response Schema

for v1.x:

The archive method will return webpage body as string.

for v2.x:

{
  url: 'https://github.com/',
  webpage: cheerio.Root,
  status: 200,
  contentType: 'text/html'
}

License

This software is released under the terms of the GNU General Public License v3.0. See the LICENSE file for details.