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/**
* @typedef {import('micromark-util-types').Construct} Construct
* @typedef {import('micromark-util-types').State} State
* @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext
* @typedef {import('micromark-util-types').Tokenizer} Tokenizer
*/
import {asciiPunctuation} from 'micromark-util-character'
/** @type {Construct} */
export const characterEscape = {
name: 'characterEscape',
tokenize: tokenizeCharacterEscape
}
/**
* @this {TokenizeContext}
* @type {Tokenizer}
*/
function tokenizeCharacterEscape(effects, ok, nok) {
return start
/**
* Start of character escape.
*
* ```markdown
* > | a\*b
* ^
* ```
*
* @type {State}
*/
function start(code) {
effects.enter('characterEscape')
effects.enter('escapeMarker')
effects.consume(code)
effects.exit('escapeMarker')
return inside
}
/**
* After `\`, at punctuation.
*
* ```markdown
* > | a\*b
* ^
* ```
*
* @type {State}
*/
function inside(code) {
// ASCII punctuation.
if (asciiPunctuation(code)) {
effects.enter('characterEscapeValue')
effects.consume(code)
effects.exit('characterEscapeValue')
effects.exit('characterEscape')
return ok
}
return nok(code)
}
}
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