|
1 | | -exports.fromMarkdown = require('./from-markdown.js') |
2 | | -exports.toMarkdown = require('./to-markdown.js') |
| 1 | +import normalizeIdentifier from 'micromark/dist/util/normalize-identifier.js' |
| 2 | +import association from 'mdast-util-to-markdown/lib/util/association.js' |
| 3 | +import phrasing from 'mdast-util-to-markdown/lib/util/container-phrasing.js' |
| 4 | +import flow from 'mdast-util-to-markdown/lib/util/container-flow.js' |
| 5 | +import indentLines from 'mdast-util-to-markdown/lib/util/indent-lines.js' |
| 6 | +import safe from 'mdast-util-to-markdown/lib/util/safe.js' |
| 7 | + |
| 8 | +export const footnoteFromMarkdown = { |
| 9 | + canContainEols: ['footnote'], |
| 10 | + enter: { |
| 11 | + footnoteDefinition: enterFootnoteDefinition, |
| 12 | + footnoteDefinitionLabelString: enterFootnoteDefinitionLabelString, |
| 13 | + footnoteCall: enterFootnoteCall, |
| 14 | + footnoteCallString: enterFootnoteCallString, |
| 15 | + inlineNote: enterNote |
| 16 | + }, |
| 17 | + exit: { |
| 18 | + footnoteDefinition: exitFootnoteDefinition, |
| 19 | + footnoteDefinitionLabelString: exitFootnoteDefinitionLabelString, |
| 20 | + footnoteCall: exitFootnoteCall, |
| 21 | + footnoteCallString: exitFootnoteCallString, |
| 22 | + inlineNote: exitNote |
| 23 | + } |
| 24 | +} |
| 25 | + |
| 26 | +export const footnoteToMarkdown = { |
| 27 | + // This is on by default already. |
| 28 | + unsafe: [{character: '[', inConstruct: ['phrasing', 'label', 'reference']}], |
| 29 | + handlers: {footnote, footnoteDefinition, footnoteReference} |
| 30 | +} |
| 31 | + |
| 32 | +footnoteReference.peek = footnoteReferencePeek |
| 33 | +footnote.peek = footnotePeek |
| 34 | + |
| 35 | +function enterFootnoteDefinition(token) { |
| 36 | + this.enter( |
| 37 | + {type: 'footnoteDefinition', identifier: '', label: '', children: []}, |
| 38 | + token |
| 39 | + ) |
| 40 | +} |
| 41 | + |
| 42 | +function enterFootnoteDefinitionLabelString() { |
| 43 | + this.buffer() |
| 44 | +} |
| 45 | + |
| 46 | +function exitFootnoteDefinitionLabelString(token) { |
| 47 | + var label = this.resume() |
| 48 | + this.stack[this.stack.length - 1].label = label |
| 49 | + this.stack[this.stack.length - 1].identifier = normalizeIdentifier( |
| 50 | + this.sliceSerialize(token) |
| 51 | + ).toLowerCase() |
| 52 | +} |
| 53 | + |
| 54 | +function exitFootnoteDefinition(token) { |
| 55 | + this.exit(token) |
| 56 | +} |
| 57 | + |
| 58 | +function enterFootnoteCall(token) { |
| 59 | + this.enter({type: 'footnoteReference', identifier: '', label: ''}, token) |
| 60 | +} |
| 61 | + |
| 62 | +function enterFootnoteCallString() { |
| 63 | + this.buffer() |
| 64 | +} |
| 65 | + |
| 66 | +function exitFootnoteCallString(token) { |
| 67 | + var label = this.resume() |
| 68 | + this.stack[this.stack.length - 1].label = label |
| 69 | + this.stack[this.stack.length - 1].identifier = normalizeIdentifier( |
| 70 | + this.sliceSerialize(token) |
| 71 | + ).toLowerCase() |
| 72 | +} |
| 73 | + |
| 74 | +function exitFootnoteCall(token) { |
| 75 | + this.exit(token) |
| 76 | +} |
| 77 | + |
| 78 | +function enterNote(token) { |
| 79 | + this.enter({type: 'footnote', children: []}, token) |
| 80 | +} |
| 81 | + |
| 82 | +function exitNote(token) { |
| 83 | + this.exit(token) |
| 84 | +} |
| 85 | + |
| 86 | +function footnoteReference(node, _, context) { |
| 87 | + var exit = context.enter('footnoteReference') |
| 88 | + var subexit = context.enter('reference') |
| 89 | + var reference = safe(context, association(node), {before: '^', after: ']'}) |
| 90 | + subexit() |
| 91 | + exit() |
| 92 | + return '[^' + reference + ']' |
| 93 | +} |
| 94 | + |
| 95 | +function footnoteReferencePeek() { |
| 96 | + return '[' |
| 97 | +} |
| 98 | + |
| 99 | +function footnote(node, _, context) { |
| 100 | + var exit = context.enter('footnote') |
| 101 | + var subexit = context.enter('label') |
| 102 | + var value = '^[' + phrasing(node, context, {before: '[', after: ']'}) + ']' |
| 103 | + subexit() |
| 104 | + exit() |
| 105 | + return value |
| 106 | +} |
| 107 | + |
| 108 | +function footnotePeek() { |
| 109 | + return '^' |
| 110 | +} |
| 111 | + |
| 112 | +function footnoteDefinition(node, _, context) { |
| 113 | + var exit = context.enter('footnoteDefinition') |
| 114 | + var subexit = context.enter('label') |
| 115 | + var label = |
| 116 | + '[^' + safe(context, association(node), {before: '^', after: ']'}) + ']:' |
| 117 | + var value |
| 118 | + subexit() |
| 119 | + |
| 120 | + value = indentLines(flow(node, context), map) |
| 121 | + exit() |
| 122 | + |
| 123 | + return value |
| 124 | + |
| 125 | + function map(line, index, blank) { |
| 126 | + if (index) { |
| 127 | + return (blank ? '' : ' ') + line |
| 128 | + } |
| 129 | + |
| 130 | + return (blank ? label : label + ' ') + line |
| 131 | + } |
| 132 | +} |
0 commit comments