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@andatoshiki/markdown-it-katex

v0.0.3

Published

⚒️ Mirror & fork of original deprecated markdown-it-katex package in favor of higher KaTeX version support for personal project usages.

Downloads

78

Readme

@andatoshiki/markdown-it-katex

npm version check npm ci & run test CI/CD pipeline

Add KaTeX rendering to your Markdown

Usage

$ npm install @andatoshiki/markdown-it-katex

Including KaTeX CSS is needed.

Options

  • katex: You can change KaTeX version by passing the instance.
  • blockClass: Class added to KaTeX block.
  • Any KaTeX Options
md.use(mk, { blockClass: 'math-block', errorColor: ' #cc0000' })

Examples

Inline

Surround your LaTeX with a single $ on each side for inline rendering.

$\sqrt{3x-1}+(1+x)^2$

Block

Use two ($$) for block rendering. This mode uses bigger symbols and centers the result.

$$\begin{array}{c}

\nabla \times \vec{\mathbf{B}} -\, \frac1c\, \frac{\partial\vec{\mathbf{E}}}{\partial t} &
= \frac{4\pi}{c}\vec{\mathbf{j}}    \nabla \cdot \vec{\mathbf{E}} & = 4 \pi \rho \\

\nabla \times \vec{\mathbf{E}}\, +\, \frac1c\, \frac{\partial\vec{\mathbf{B}}}{\partial t} & = \vec{\mathbf{0}} \\

\nabla \cdot \vec{\mathbf{B}} & = 0

\end{array}$$

Syntax

Math parsing in markdown is designed to agree with the conventions set by pandoc:

Anything between two $ characters will be treated as TeX math. The opening $ must
have a non-space character immediately to its right, while the closing $ must
have a non-space character immediately to its left, and must not be followed
immediately by a digit. Thus, $20,000 and $30,000 won’t parse as math. If for some
reason you need to enclose text in literal $ characters, backslash-escape them and
they won’t be treated as math delimiters.

Math Syntax Support

KaTeX is based on TeX and LaTeX. Support for both is growing. Here's a list of currently supported functions:

Function Support in KaTeX