66 lines
1.7 KiB
JavaScript
66 lines
1.7 KiB
JavaScript
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/**
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* @typedef {import('mdast').ListItem} ListItem
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* @typedef {import('mdast').Parents} Parents
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* @typedef {import('../types.js').Info} Info
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* @typedef {import('../types.js').Map} Map
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* @typedef {import('../types.js').State} State
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*/
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import {checkBullet} from '../util/check-bullet.js'
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import {checkListItemIndent} from '../util/check-list-item-indent.js'
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/**
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* @param {ListItem} node
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* @param {Parents | undefined} parent
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* @param {State} state
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* @param {Info} info
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* @returns {string}
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*/
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export function listItem(node, parent, state, info) {
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const listItemIndent = checkListItemIndent(state)
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let bullet = state.bulletCurrent || checkBullet(state)
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// Add the marker value for ordered lists.
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if (parent && parent.type === 'list' && parent.ordered) {
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bullet =
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(typeof parent.start === 'number' && parent.start > -1
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? parent.start
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: 1) +
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(state.options.incrementListMarker === false
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? 0
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: parent.children.indexOf(node)) +
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bullet
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}
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let size = bullet.length + 1
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if (
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listItemIndent === 'tab' ||
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(listItemIndent === 'mixed' &&
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((parent && parent.type === 'list' && parent.spread) || node.spread))
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) {
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size = Math.ceil(size / 4) * 4
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}
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const tracker = state.createTracker(info)
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tracker.move(bullet + ' '.repeat(size - bullet.length))
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tracker.shift(size)
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const exit = state.enter('listItem')
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const value = state.indentLines(
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state.containerFlow(node, tracker.current()),
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map
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)
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exit()
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return value
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/** @type {Map} */
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function map(line, index, blank) {
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if (index) {
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return (blank ? '' : ' '.repeat(size)) + line
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}
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return (blank ? bullet : bullet + ' '.repeat(size - bullet.length)) + line
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}
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}
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