site/node_modules/mdast-util-to-hast/lib/handlers/list.js

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2024-10-14 06:09:33 +00:00
/**
* @typedef {import('hast').Element} Element
* @typedef {import('hast').Properties} Properties
* @typedef {import('mdast').List} List
* @typedef {import('../state.js').State} State
*/
// Make VS Code show references to the above types.
''
/**
* Turn an mdast `list` node into hast.
*
* @param {State} state
* Info passed around.
* @param {List} node
* mdast node.
* @returns {Element}
* hast node.
*/
export function list(state, node) {
/** @type {Properties} */
const properties = {}
const results = state.all(node)
let index = -1
if (typeof node.start === 'number' && node.start !== 1) {
properties.start = node.start
}
// Like GitHub, add a class for custom styling.
while (++index < results.length) {
const child = results[index]
if (
child.type === 'element' &&
child.tagName === 'li' &&
child.properties &&
Array.isArray(child.properties.className) &&
child.properties.className.includes('task-list-item')
) {
properties.className = ['contains-task-list']
break
}
}
/** @type {Element} */
const result = {
type: 'element',
tagName: node.ordered ? 'ol' : 'ul',
properties,
children: state.wrap(results, true)
}
state.patch(node, result)
return state.applyData(node, result)
}