79 lines
1.8 KiB
JavaScript
79 lines
1.8 KiB
JavaScript
|
/**
|
||
|
|
* @typedef {import('mdast').Code} Code
|
||
|
|
* @typedef {import('mdast').Parents} Parents
|
||
|
|
* @typedef {import('../types.js').Info} Info
|
||
|
|
* @typedef {import('../types.js').Map} Map
|
||
|
|
* @typedef {import('../types.js').State} State
|
||
|
|
*/
|
||
|
|
|
||
|
|
import {longestStreak} from 'longest-streak'
|
||
|
|
import {formatCodeAsIndented} from '../util/format-code-as-indented.js'
|
||
|
|
import {checkFence} from '../util/check-fence.js'
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Code} node
|
||
|
|
* @param {Parents | undefined} _
|
||
|
|
* @param {State} state
|
||
|
|
* @param {Info} info
|
||
|
|
* @returns {string}
|
||
|
|
*/
|
||
|
|
export function code(node, _, state, info) {
|
||
|
|
const marker = checkFence(state)
|
||
|
|
const raw = node.value || ''
|
||
|
|
const suffix = marker === '`' ? 'GraveAccent' : 'Tilde'
|
||
|
|
|
||
|
|
if (formatCodeAsIndented(node, state)) {
|
||
|
|
const exit = state.enter('codeIndented')
|
||
|
|
const value = state.indentLines(raw, map)
|
||
|
|
exit()
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
const tracker = state.createTracker(info)
|
||
|
|
const sequence = marker.repeat(Math.max(longestStreak(raw, marker) + 1, 3))
|
||
|
|
const exit = state.enter('codeFenced')
|
||
|
|
let value = tracker.move(sequence)
|
||
|
|
|
||
|
|
if (node.lang) {
|
||
|
|
const subexit = state.enter(`codeFencedLang${suffix}`)
|
||
|
|
value += tracker.move(
|
||
|
|
state.safe(node.lang, {
|
||
|
|
before: value,
|
||
|
|
after: ' ',
|
||
|
|
encode: ['`'],
|
||
|
|
...tracker.current()
|
||
|
|
})
|
||
|
|
)
|
||
|
|
subexit()
|
||
|
|
}
|
||
|
|
|
||
|
|
if (node.lang && node.meta) {
|
||
|
|
const subexit = state.enter(`codeFencedMeta${suffix}`)
|
||
|
|
value += tracker.move(' ')
|
||
|
|
value += tracker.move(
|
||
|
|
state.safe(node.meta, {
|
||
|
|
before: value,
|
||
|
|
after: '\n',
|
||
|
|
encode: ['`'],
|
||
|
|
...tracker.current()
|
||
|
|
})
|
||
|
|
)
|
||
|
|
subexit()
|
||
|
|
}
|
||
|
|
|
||
|
|
value += tracker.move('\n')
|
||
|
|
|
||
|
|
if (raw) {
|
||
|
|
value += tracker.move(raw + '\n')
|
||
|
|
}
|
||
|
|
|
||
|
|
value += tracker.move(sequence)
|
||
|
|
exit()
|
||
|
|
return value
|
||
|
|
}
|
||
|
|
|
||
|
|
/** @type {Map} */
|
||
|
|
function map(line, _, blank) {
|
||
|
|
return (blank ? '' : ' ') + line
|
||
|
|
}
|