66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
/**
|
|
* @typedef {import('hast').Element} Element
|
|
* @typedef {import('mathjax-full/js/core/MathDocument.js').MathDocument<HTMLElement, Text, Document>} MathDocument
|
|
* @typedef {import('mathjax-full/js/core/OutputJax.js').OutputJax<HTMLElement, Text, Document>} OutputJax
|
|
* @typedef {import('./create-plugin.js').Options} Options
|
|
* @typedef {import('./create-plugin.js').Renderer} Renderer
|
|
*/
|
|
|
|
import {fromDom} from 'hast-util-from-dom'
|
|
import {RegisterHTMLHandler} from 'mathjax-full/js/handlers/html.js'
|
|
import {TeX} from 'mathjax-full/js/input/tex.js'
|
|
import {AllPackages} from 'mathjax-full/js/input/tex/AllPackages.js'
|
|
import {mathjax} from 'mathjax-full/js/mathjax.js'
|
|
import {createAdapter} from '#create-adapter'
|
|
|
|
const adapter = createAdapter()
|
|
|
|
// To do next major: Keep resultant HTML handler from `register(adapter)` to
|
|
// allow registering the `AssistiveMmlHandler` as in this demo:
|
|
// <https://github.com/mathjax/MathJax-demos-node/tree/master/direct>
|
|
//
|
|
// To do next major: If registering `AssistiveMmlHandler` is supported through
|
|
// configuration, move HTML handler registration to beginning of transformer and
|
|
// unregister at the end of transformer with
|
|
// `mathjax.handlers.unregister(handler)`.
|
|
// That is to prevent memory leak in `mathjax.handlers` whenever a new instance
|
|
// of the plugin is used.
|
|
/* eslint-disable-next-line new-cap */
|
|
RegisterHTMLHandler(adapter)
|
|
|
|
/**
|
|
* Create a renderer.
|
|
*
|
|
* @param {Options} options
|
|
* Configuration.
|
|
* @param {OutputJax} output
|
|
* Output jax.
|
|
* @returns {Renderer}
|
|
* Rendeder.
|
|
*/
|
|
export function createRenderer(options, output) {
|
|
const input = new TeX({packages: AllPackages, ...options.tex})
|
|
/** @type {MathDocument} */
|
|
const doc = mathjax.document('', {InputJax: input, OutputJax: output})
|
|
|
|
return {
|
|
render(value, options) {
|
|
// Cast as this practically results in `HTMLElement`.
|
|
const domNode = /** @type {HTMLElement} */ (doc.convert(value, options))
|
|
// Cast as `HTMLElement` results in an `Element`.
|
|
const hastNode = /** @type {Element} */ (fromDom(domNode))
|
|
return [hastNode]
|
|
},
|
|
styleSheet() {
|
|
const value = adapter.textContent(output.styleSheet(doc))
|
|
|
|
return {
|
|
type: 'element',
|
|
tagName: 'style',
|
|
properties: {},
|
|
children: [{type: 'text', value}]
|
|
}
|
|
}
|
|
}
|
|
}
|