Urara-Blog/node_modules/.pnpm-store/v3/files/6a/5caadac6b8298882cdd8cd49535c1e41a6b2d784c3355d303d042acd534883f5711e74dfa6afb66f3d5e117498c198e729181f33a1296af1530c0861e8815b
2022-08-14 01:14:53 +08:00

234 lines
5.3 KiB
Text

/**
* @typedef {import('micromark-util-types').Construct} Construct
* @typedef {import('micromark-util-types').Tokenizer} Tokenizer
* @typedef {import('micromark-util-types').State} State
* @typedef {import('micromark-util-types').Code} Code
*/
import {factorySpace} from 'micromark-factory-space'
import {
markdownLineEnding,
markdownLineEndingOrSpace
} from 'micromark-util-character'
/** @type {Construct} */
export const codeFenced = {
name: 'codeFenced',
tokenize: tokenizeCodeFenced,
concrete: true
}
/** @type {Tokenizer} */
function tokenizeCodeFenced(effects, ok, nok) {
const self = this
/** @type {Construct} */
const closingFenceConstruct = {
tokenize: tokenizeClosingFence,
partial: true
}
/** @type {Construct} */
const nonLazyLine = {
tokenize: tokenizeNonLazyLine,
partial: true
}
const tail = this.events[this.events.length - 1]
const initialPrefix =
tail && tail[1].type === 'linePrefix'
? tail[2].sliceSerialize(tail[1], true).length
: 0
let sizeOpen = 0
/** @type {NonNullable<Code>} */
let marker
return start
/** @type {State} */
function start(code) {
effects.enter('codeFenced')
effects.enter('codeFencedFence')
effects.enter('codeFencedFenceSequence')
marker = code
return sequenceOpen(code)
}
/** @type {State} */
function sequenceOpen(code) {
if (code === marker) {
effects.consume(code)
sizeOpen++
return sequenceOpen
}
effects.exit('codeFencedFenceSequence')
return sizeOpen < 3
? nok(code)
: factorySpace(effects, infoOpen, 'whitespace')(code)
}
/** @type {State} */
function infoOpen(code) {
if (code === null || markdownLineEnding(code)) {
return openAfter(code)
}
effects.enter('codeFencedFenceInfo')
effects.enter('chunkString', {
contentType: 'string'
})
return info(code)
}
/** @type {State} */
function info(code) {
if (code === null || markdownLineEndingOrSpace(code)) {
effects.exit('chunkString')
effects.exit('codeFencedFenceInfo')
return factorySpace(effects, infoAfter, 'whitespace')(code)
}
if (code === 96 && code === marker) return nok(code)
effects.consume(code)
return info
}
/** @type {State} */
function infoAfter(code) {
if (code === null || markdownLineEnding(code)) {
return openAfter(code)
}
effects.enter('codeFencedFenceMeta')
effects.enter('chunkString', {
contentType: 'string'
})
return meta(code)
}
/** @type {State} */
function meta(code) {
if (code === null || markdownLineEnding(code)) {
effects.exit('chunkString')
effects.exit('codeFencedFenceMeta')
return openAfter(code)
}
if (code === 96 && code === marker) return nok(code)
effects.consume(code)
return meta
}
/** @type {State} */
function openAfter(code) {
effects.exit('codeFencedFence')
return self.interrupt ? ok(code) : contentStart(code)
}
/** @type {State} */
function contentStart(code) {
if (code === null) {
return after(code)
}
if (markdownLineEnding(code)) {
return effects.attempt(
nonLazyLine,
effects.attempt(
closingFenceConstruct,
after,
initialPrefix
? factorySpace(
effects,
contentStart,
'linePrefix',
initialPrefix + 1
)
: contentStart
),
after
)(code)
}
effects.enter('codeFlowValue')
return contentContinue(code)
}
/** @type {State} */
function contentContinue(code) {
if (code === null || markdownLineEnding(code)) {
effects.exit('codeFlowValue')
return contentStart(code)
}
effects.consume(code)
return contentContinue
}
/** @type {State} */
function after(code) {
effects.exit('codeFenced')
return ok(code)
}
/** @type {Tokenizer} */
function tokenizeNonLazyLine(effects, ok, nok) {
const self = this
return start
/** @type {State} */
function start(code) {
effects.enter('lineEnding')
effects.consume(code)
effects.exit('lineEnding')
return lineStart
}
/** @type {State} */
function lineStart(code) {
return self.parser.lazy[self.now().line] ? nok(code) : ok(code)
}
}
/** @type {Tokenizer} */
function tokenizeClosingFence(effects, ok, nok) {
let size = 0
return factorySpace(
effects,
closingSequenceStart,
'linePrefix',
this.parser.constructs.disable.null.includes('codeIndented')
? undefined
: 4
)
/** @type {State} */
function closingSequenceStart(code) {
effects.enter('codeFencedFence')
effects.enter('codeFencedFenceSequence')
return closingSequence(code)
}
/** @type {State} */
function closingSequence(code) {
if (code === marker) {
effects.consume(code)
size++
return closingSequence
}
if (size < sizeOpen) return nok(code)
effects.exit('codeFencedFenceSequence')
return factorySpace(effects, closingSequenceEnd, 'whitespace')(code)
}
/** @type {State} */
function closingSequenceEnd(code) {
if (code === null || markdownLineEnding(code)) {
effects.exit('codeFencedFence')
return ok(code)
}
return nok(code)
}
}
}