87 lines
1.9 KiB
JavaScript
87 lines
1.9 KiB
JavaScript
/**
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* @typedef {import('../types.js').FlowParents} FlowParents
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* @typedef {import('../types.js').FlowChildren} FlowChildren
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* @typedef {import('../types.js').State} State
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* @typedef {import('../types.js').TrackFields} TrackFields
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*/
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/**
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* @param {FlowParents} parent
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* Parent of flow nodes.
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* @param {State} state
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* Info passed around about the current state.
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* @param {TrackFields} info
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* Info on where we are in the document we are generating.
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* @returns {string}
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* Serialized children, joined by (blank) lines.
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*/
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export function containerFlow(parent, state, info) {
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const indexStack = state.indexStack
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const children = parent.children || []
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const tracker = state.createTracker(info)
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/** @type {Array<string>} */
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const results = []
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let index = -1
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indexStack.push(-1)
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while (++index < children.length) {
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const child = children[index]
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indexStack[indexStack.length - 1] = index
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results.push(
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tracker.move(
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state.handle(child, parent, state, {
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before: '\n',
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after: '\n',
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...tracker.current()
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})
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)
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)
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if (child.type !== 'list') {
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state.bulletLastUsed = undefined
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}
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if (index < children.length - 1) {
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results.push(
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tracker.move(between(child, children[index + 1], parent, state))
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)
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}
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}
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indexStack.pop()
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return results.join('')
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}
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/**
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* @param {FlowChildren} left
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* @param {FlowChildren} right
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* @param {FlowParents} parent
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* @param {State} state
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* @returns {string}
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*/
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function between(left, right, parent, state) {
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let index = state.join.length
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while (index--) {
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const result = state.join[index](left, right, parent, state)
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if (result === true || result === 1) {
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break
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}
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if (typeof result === 'number') {
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return '\n'.repeat(1 + result)
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}
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if (result === false) {
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return '\n\n<!---->\n\n'
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}
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}
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return '\n\n'
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}
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