mirror of
https://github.com/Sevichecc/Urara-Blog.git
synced 2025-05-01 20:09:30 +08:00
81 lines
1.8 KiB
Text
81 lines
1.8 KiB
Text
/**
|
||
* @typedef {import('mdast').Image} Image
|
||
* @typedef {import('../types.js').Handle} Handle
|
||
*/
|
||
|
||
import {checkQuote} from '../util/check-quote.js'
|
||
import {safe} from '../util/safe.js'
|
||
import {track} from '../util/track.js'
|
||
|
||
image.peek = imagePeek
|
||
|
||
/**
|
||
* @type {Handle}
|
||
* @param {Image} node
|
||
*/
|
||
export function image(node, _, context, safeOptions) {
|
||
const quote = checkQuote(context)
|
||
const suffix = quote === '"' ? 'Quote' : 'Apostrophe'
|
||
const exit = context.enter('image')
|
||
let subexit = context.enter('label')
|
||
const tracker = track(safeOptions)
|
||
let value = tracker.move('![')
|
||
value += tracker.move(
|
||
safe(context, node.alt, {before: value, after: ']', ...tracker.current()})
|
||
)
|
||
value += tracker.move('](')
|
||
|
||
subexit()
|
||
|
||
if (
|
||
// If there’s no url but there is a title…
|
||
(!node.url && node.title) ||
|
||
// If there are control characters or whitespace.
|
||
/[\0- \u007F]/.test(node.url)
|
||
) {
|
||
subexit = context.enter('destinationLiteral')
|
||
value += tracker.move('<')
|
||
value += tracker.move(
|
||
safe(context, node.url, {before: value, after: '>', ...tracker.current()})
|
||
)
|
||
value += tracker.move('>')
|
||
} else {
|
||
// No whitespace, raw is prettier.
|
||
subexit = context.enter('destinationRaw')
|
||
value += tracker.move(
|
||
safe(context, node.url, {
|
||
before: value,
|
||
after: node.title ? ' ' : ')',
|
||
...tracker.current()
|
||
})
|
||
)
|
||
}
|
||
|
||
subexit()
|
||
|
||
if (node.title) {
|
||
subexit = context.enter('title' + suffix)
|
||
value += tracker.move(' ' + quote)
|
||
value += tracker.move(
|
||
safe(context, node.title, {
|
||
before: value,
|
||
after: quote,
|
||
...tracker.current()
|
||
})
|
||
)
|
||
value += tracker.move(quote)
|
||
subexit()
|
||
}
|
||
|
||
value += tracker.move(')')
|
||
exit()
|
||
|
||
return value
|
||
}
|
||
|
||
/**
|
||
* @type {Handle}
|
||
*/
|
||
function imagePeek() {
|
||
return '!'
|
||
}
|