extract.js

Extract helper for JavaScript.

Usage

All methods are will return array.

Numbers

const el = "1 + 2 Apple"

extract(el, true).numbers()

or

extract("#test").numbers()

Letters

const el = "1 + 2 Apple"

extract(el, true).letters()

extract(el, true).letters({ "join": true }) // Apple

extract(el, true).letters({ "join": { "char": "+" }) //A+p+p+l+e

or

extract("#test").letters()

extract("#test").letters({ "join": true }) // Apple

extract("#test").letters({ "join": { "char": "+" }) //A+p+p+l+e

Special Characters

const el = "A &%1 ' {}]"

extract(el, true).special()

or

extract("#test").special()

URL Adresses

const el = "I have two websites. These are https://aligoren.com and https://medium.com/@aligoren"

extract(el, true).url()

or

extract("#test").url()

E-Mail Adresses

const el = "I have two email. These are [email protected] and [email protected]"

extract(el, true).mail()

or

extract("#test").mail()

Images

const el = "<img src='http://site.com/me.jpg' /> and <img src='https://www.google.com/logo.png' />"

extract(el, true).images()

or

extract("#test").images()

Heading Tags

h(1..6 => optional)

const el = "<h1>My name is ali</h1> <h2>Description here</h2> and <h3>Subtitle</h3> and <h1>Post title</h1>"

extract(el, true).h(1) // ['<h1>My name is ali</h1>', '<h1>Post title</h1>']

extract(el, true).h(2) // ['<h2>Description here</h2>']

extract(el, true).h(3) // ['<h3>Subtitle</h3>']

extract(el, true).h() // ['<h1>My name is ali</h1>', '<h2>Description here</h2>', '<h3>Subtitle</h3>', '<h1>Post title</h1>']

or

extract("#test").h(1) // ['<h1>My name is ali</h1>', '<h1>Post title</h1>']

extract("#test").h(2) // ['<h2>Description here</h2>']

extract("#test").h(3) // ['<h3>Subtitle</h3>']

extract("#test").h() // ['<h1>My name is ali</h1>', '<h2>Description here</h2>', '<h3>Subtitle</h3>', '<h1>Post title</h1>']

Test

All tests are located under the test folder. In order to run test, you need to install jest.

npm run test