site/node_modules/mdast-util-to-markdown/lib/handle/definition.js
2024-10-14 08:09:33 +02:00

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/**
* @typedef {import('mdast').Definition} Definition
* @typedef {import('mdast').Parents} Parents
* @typedef {import('../types.js').Info} Info
* @typedef {import('../types.js').State} State
*/
import {checkQuote} from '../util/check-quote.js'
/**
* @param {Definition} node
* @param {Parents | undefined} _
* @param {State} state
* @param {Info} info
* @returns {string}
*/
export function definition(node, _, state, info) {
const quote = checkQuote(state)
const suffix = quote === '"' ? 'Quote' : 'Apostrophe'
const exit = state.enter('definition')
let subexit = state.enter('label')
const tracker = state.createTracker(info)
let value = tracker.move('[')
value += tracker.move(
state.safe(state.associationId(node), {
before: value,
after: ']',
...tracker.current()
})
)
value += tracker.move(']: ')
subexit()
if (
// If theres no url, or…
!node.url ||
// If there are control characters or whitespace.
/[\0- \u007F]/.test(node.url)
) {
subexit = state.enter('destinationLiteral')
value += tracker.move('<')
value += tracker.move(
state.safe(node.url, {before: value, after: '>', ...tracker.current()})
)
value += tracker.move('>')
} else {
// No whitespace, raw is prettier.
subexit = state.enter('destinationRaw')
value += tracker.move(
state.safe(node.url, {
before: value,
after: node.title ? ' ' : '\n',
...tracker.current()
})
)
}
subexit()
if (node.title) {
subexit = state.enter(`title${suffix}`)
value += tracker.move(' ' + quote)
value += tracker.move(
state.safe(node.title, {
before: value,
after: quote,
...tracker.current()
})
)
value += tracker.move(quote)
subexit()
}
exit()
return value
}