sgauthier
6e64e138e2
All checks were successful
Publish To Prod / deploy_and_publish (push) Successful in 35s
130 lines
3.3 KiB
JavaScript
130 lines
3.3 KiB
JavaScript
var setextUnderline = {
|
||
name: 'setextUnderline',
|
||
tokenize: tokenizeSetextUnderline,
|
||
resolveTo: resolveToSetextUnderline
|
||
}
|
||
export default setextUnderline
|
||
|
||
import assert from 'assert'
|
||
import codes from '../character/codes.mjs'
|
||
import markdownLineEnding from '../character/markdown-line-ending.mjs'
|
||
import types from '../constant/types.mjs'
|
||
import shallow from '../util/shallow.mjs'
|
||
import spaceFactory from './factory-space.mjs'
|
||
|
||
function resolveToSetextUnderline(events, context) {
|
||
var index = events.length
|
||
var content
|
||
var text
|
||
var definition
|
||
var heading
|
||
|
||
// Find the opening of the content.
|
||
// It’ll always exist: we don’t tokenize if it isn’t there.
|
||
while (index--) {
|
||
if (events[index][0] === 'enter') {
|
||
if (events[index][1].type === types.content) {
|
||
content = index
|
||
break
|
||
}
|
||
|
||
if (events[index][1].type === types.paragraph) {
|
||
text = index
|
||
}
|
||
}
|
||
// Exit
|
||
else {
|
||
if (events[index][1].type === types.content) {
|
||
// Remove the content end (if needed we’ll add it later)
|
||
events.splice(index, 1)
|
||
}
|
||
|
||
if (!definition && events[index][1].type === types.definition) {
|
||
definition = index
|
||
}
|
||
}
|
||
}
|
||
|
||
heading = {
|
||
type: types.setextHeading,
|
||
start: shallow(events[text][1].start),
|
||
end: shallow(events[events.length - 1][1].end)
|
||
}
|
||
|
||
// Change the paragraph to setext heading text.
|
||
events[text][1].type = types.setextHeadingText
|
||
|
||
// If we have definitions in the content, we’ll keep on having content,
|
||
// but we need move it.
|
||
if (definition) {
|
||
events.splice(text, 0, ['enter', heading, context])
|
||
events.splice(definition + 1, 0, ['exit', events[content][1], context])
|
||
events[content][1].end = shallow(events[definition][1].end)
|
||
} else {
|
||
events[content][1] = heading
|
||
}
|
||
|
||
// Add the heading exit at the end.
|
||
events.push(['exit', heading, context])
|
||
|
||
return events
|
||
}
|
||
|
||
function tokenizeSetextUnderline(effects, ok, nok) {
|
||
var self = this
|
||
var index = self.events.length
|
||
var marker
|
||
var paragraph
|
||
|
||
// Find an opening.
|
||
while (index--) {
|
||
// Skip enter/exit of line ending, line prefix, and content.
|
||
// We can now either have a definition or a paragraph.
|
||
if (
|
||
self.events[index][1].type !== types.lineEnding &&
|
||
self.events[index][1].type !== types.linePrefix &&
|
||
self.events[index][1].type !== types.content
|
||
) {
|
||
paragraph = self.events[index][1].type === types.paragraph
|
||
break
|
||
}
|
||
}
|
||
|
||
return start
|
||
|
||
function start(code) {
|
||
assert(
|
||
code === codes.dash || code === codes.equalsTo,
|
||
'expected `=` or `-`'
|
||
)
|
||
|
||
if (!self.lazy && (self.interrupt || paragraph)) {
|
||
effects.enter(types.setextHeadingLine)
|
||
effects.enter(types.setextHeadingLineSequence)
|
||
marker = code
|
||
return closingSequence(code)
|
||
}
|
||
|
||
return nok(code)
|
||
}
|
||
|
||
function closingSequence(code) {
|
||
if (code === marker) {
|
||
effects.consume(code)
|
||
return closingSequence
|
||
}
|
||
|
||
effects.exit(types.setextHeadingLineSequence)
|
||
return spaceFactory(effects, closingSequenceEnd, types.lineSuffix)(code)
|
||
}
|
||
|
||
function closingSequenceEnd(code) {
|
||
if (code === codes.eof || markdownLineEnding(code)) {
|
||
effects.exit(types.setextHeadingLine)
|
||
return ok(code)
|
||
}
|
||
|
||
return nok(code)
|
||
}
|
||
}
|