# math-assets.ts **[Source](https://github.com/ubugeeei-prod/ox-content/blob/main/npm/vite-plugin-ox-content/src/plugins/math-assets.ts)** > 5 documented symbols. Read the signatures first, then expand each item for parameters, return types, and examples.
5 symbols 2 functions 1 types 1 variables 1 modules 2 parameters 2 returns
## Reference
fncopyKatexAssets(outDir: string, formats: KatexFontFormats = "woff2"): Promise<string[]>Copies katex.min.css and the requested font formats into the SSG output. Return…2 paramsreturns Promise<string[]>

Copies katex.min.css and the requested font formats into the SSG output. Returns an empty list when KaTeX is not installed.

The .ttf and .woff sets are three quarters of the font bytes and no browser that can run the rest of the site needs them: @font-face lists woff2 first and stops at the first format it supports. formats: "all" brings them back.

Signature

export async function copyKatexAssets(outDir: string, formats: KatexFontFormats = "woff2"): Promise<string[]>

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Parameters

Returns

Promise<string[]>
fncreateKatexAssetsPlugin(): PluginDev-server middleware that serves /_oxkatex__/* from katex/dist.returns Plugin

Dev-server middleware that serves /__ox_katex__/* from katex/dist.

Signature

export function createKatexAssetsPlugin(): Plugin

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Returns

Plugin
variableconst FONT_FORMATS = { woff2: [".woff2"], all: [".woff2", ".woff", ".ttf"] } as constFont formats KaTeX ships, newest first.

Font formats KaTeX ships, newest first.

Signature

const FONT_FORMATS = { woff2: [".woff2"], all: [".woff2", ".woff", ".ttf"] } as const

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typeKatexFontFormats = keyof typeof FONT_FORMATSWhich of KaTeX's font formats to emit.

Which of KaTeX's font formats to emit.

Signature

export type KatexFontFormats = keyof typeof FONT_FORMATS

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modulemath-assetsServe and copy KaTeX CSS/fonts only when the optional katex package exists.

Serve and copy KaTeX CSS/fonts only when the optional katex package exists.

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