sugar-high

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Introduction

Super lightweight JSX syntax highlighter, around 1KB after minified and gzipped

Usage

npm install --save sugar-high

import { highlight } from 'sugar-high'

const codeHTML = highlight(code)

document.querySelector('pre > code').innerHTML = codeHTML

Highlight with CSS

Then make your own theme with customized colors by token type and put in global CSS. The corresponding class names star with sh__ prefix.

/**
 * Types that sugar-high have:
 *
 * identifier
 * keyword
 * string
 * Class, number and null
 * sign
 * comment
 * jsxliterals
 */
:root {
  --sh-class: #2d5e9d;
  --sh-identifier: #354150;
  --sh-sign: #8996a3;
  --sh-string: #00a99a;
  --sh-keyword: #f47067;
  --sh-comment: #a19595;
  --sh-jsxliterals: #6266d1;
}

Features

Line number

Sugar high provide .sh_line class name for each line. To display line number, define the .sh_line::before element with CSS will enable line numbers automatically.

pre code {
  counter-reset: sh-line-number;
}

.sh__line::before {
  counter-increment: sh-line-number 1;
  content: counter(sh-line-number);
  margin-right: 24px;
  text-align: right;
  color: #a4a4a4;
}

LICENSE

MIT