gnezim
68 lines
1.4 KiB
JavaScript
68 lines
1.4 KiB
JavaScript
'use strict'
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module.exports = generateFootnotes
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var thematicBreak = require('./handlers/thematic-break')
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var list = require('./handlers/list')
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var wrap = require('./wrap')
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function generateFootnotes(h) {
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var footnoteById = h.footnoteById
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var footnoteOrder = h.footnoteOrder
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var length = footnoteOrder.length
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var index = -1
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var listItems = []
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var def
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var backReference
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var content
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var tail
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while (++index < length) {
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def = footnoteById[footnoteOrder[index].toUpperCase()]
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if (!def) {
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continue
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}
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content = def.children.concat()
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tail = content[content.length - 1]
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backReference = {
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type: 'link',
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url: '#fnref-' + def.identifier,
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data: {hProperties: {className: ['footnote-backref']}},
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children: [{type: 'text', value: '↩'}]
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}
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if (!tail || tail.type !== 'paragraph') {
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tail = {type: 'paragraph', children: []}
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content.push(tail)
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}
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tail.children.push(backReference)
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listItems.push({
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type: 'listItem',
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data: {hProperties: {id: 'fn-' + def.identifier}},
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children: content,
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position: def.position
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})
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}
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if (listItems.length === 0) {
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return null
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}
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return h(
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null,
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'div',
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{className: ['footnotes']},
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wrap(
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[
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thematicBreak(h),
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list(h, {type: 'list', ordered: true, children: listItems})
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],
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true
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)
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)
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}
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