mirror of
https://github.com/Sevichecc/Urara-Blog.git
synced 2025-05-06 05:19:13 +08:00
61 lines
1.4 KiB
Text
61 lines
1.4 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, markdownSpace} from 'micromark-util-character'
|
|
|
|
/** @type {Construct} */
|
|
export const thematicBreak = {
|
|
name: 'thematicBreak',
|
|
tokenize: tokenizeThematicBreak
|
|
}
|
|
/** @type {Tokenizer} */
|
|
|
|
function tokenizeThematicBreak(effects, ok, nok) {
|
|
let size = 0
|
|
/** @type {NonNullable<Code>} */
|
|
|
|
let marker
|
|
return start
|
|
/** @type {State} */
|
|
|
|
function start(code) {
|
|
effects.enter('thematicBreak')
|
|
marker = code
|
|
return atBreak(code)
|
|
}
|
|
/** @type {State} */
|
|
|
|
function atBreak(code) {
|
|
if (code === marker) {
|
|
effects.enter('thematicBreakSequence')
|
|
return sequence(code)
|
|
}
|
|
|
|
if (markdownSpace(code)) {
|
|
return factorySpace(effects, atBreak, 'whitespace')(code)
|
|
}
|
|
|
|
if (size < 3 || (code !== null && !markdownLineEnding(code))) {
|
|
return nok(code)
|
|
}
|
|
|
|
effects.exit('thematicBreak')
|
|
return ok(code)
|
|
}
|
|
/** @type {State} */
|
|
|
|
function sequence(code) {
|
|
if (code === marker) {
|
|
effects.consume(code)
|
|
size++
|
|
return sequence
|
|
}
|
|
|
|
effects.exit('thematicBreakSequence')
|
|
return atBreak(code)
|
|
}
|
|
}
|