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Highlight

Test CI

Orama Highlight allows you to easily highlight substrings in a given input.

Installation

npm i @orama/highlight
bun i @orama/highlight

Usage

import { Highlight } from '@orama/highlight'

const inputString = 'The quick brown fox jumps over the lazy dog'
const toHighlight = 'brown fox jump'

const highlighter = new Highlight()
const highlighted = highlighter.highlight(inputString, toHighlight)

console.log(highlighted.positions)
// [
//    {
//      start: 10,
//      end: 14
//    }, {
//      start: 16,
//      end: 18
//    }, {
//      start: 20,
//      end: 23
//    }
//  ]

console.log(highlighted.HTML)
// "The quick <mark class="orama-highlight">brown</mark> <mark class="orama-highlight">fox</mark> <mark class="orama-highlight">jump</mark>s over the lazy dog"

console.log(highlighted.trim(10))
// "...uick <mark class="orama-highlight">brown</mark>..."

You can always customize the library behavior by passing some options to the class constructor:

const highlighted = new Highlight({
  caseSensitive: true,        // Only highlight words that respect the second parameter's casing. Default is false
  wholeWords: true,           // Only highlight entire words, no prefixes
  HTMLTag: 'div',             // Default is "mark"
  CSSClass: 'my-custom-class' // default is 'orama-highlight'
})

License

Apache 2.0