64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
|
/**
|
||
|
|
* @typedef {import('hast').Root} Root
|
||
|
|
* @typedef {import('hast-util-from-html').Options} FromHtmlOptions
|
||
|
|
* @typedef {import('unified').Parser<Root>} Parser
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @typedef {Omit<FromHtmlOptions, 'onerror'> & RehypeParseFields} Options
|
||
|
|
* Configuration.
|
||
|
|
*
|
||
|
|
* @typedef RehypeParseFields
|
||
|
|
* Extra fields.
|
||
|
|
* @property {boolean | null | undefined} [emitParseErrors=false]
|
||
|
|
* Whether to emit parse errors while parsing (default: `false`).
|
||
|
|
*
|
||
|
|
* > 👉 **Note**: parse errors are currently being added to HTML.
|
||
|
|
* > Not all errors emitted by parse5 (or us) are specced yet.
|
||
|
|
* > Some documentation may still be missing.
|
||
|
|
*/
|
||
|
|
|
||
|
|
import {fromHtml} from 'hast-util-from-html'
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Plugin to add support for parsing from HTML.
|
||
|
|
*
|
||
|
|
* > 👉 **Note**: this is not an XML parser.
|
||
|
|
* > It supports SVG as embedded in HTML.
|
||
|
|
* > It does not support the features available in XML.
|
||
|
|
* > Passing SVG files might break but fragments of modern SVG should be fine.
|
||
|
|
* > Use [`xast-util-from-xml`][xast-util-from-xml] to parse XML.
|
||
|
|
*
|
||
|
|
* @param {Options | null | undefined} [options]
|
||
|
|
* Configuration (optional).
|
||
|
|
* @returns {undefined}
|
||
|
|
* Nothing.
|
||
|
|
*/
|
||
|
|
export default function rehypeParse(options) {
|
||
|
|
/** @type {import('unified').Processor<Root>} */
|
||
|
|
// @ts-expect-error: TS in JSDoc generates wrong types if `this` is typed regularly.
|
||
|
|
const self = this
|
||
|
|
const {emitParseErrors, ...settings} = {...self.data('settings'), ...options}
|
||
|
|
|
||
|
|
self.parser = parser
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @type {Parser}
|
||
|
|
*/
|
||
|
|
function parser(doc, file) {
|
||
|
|
return fromHtml(doc, {
|
||
|
|
...settings,
|
||
|
|
onerror: emitParseErrors
|
||
|
|
? function (message) {
|
||
|
|
if (file.path) {
|
||
|
|
message.name = file.path + ':' + message.name
|
||
|
|
message.file = file.path
|
||
|
|
}
|
||
|
|
|
||
|
|
file.messages.push(message)
|
||
|
|
}
|
||
|
|
: undefined
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|