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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 {factorySpace} from 'micromark-factory-space'
import {markdownLineEnding, markdownSpace} from 'micromark-util-character'
/** @type {Construct} */
export const blankLine = {
tokenize: tokenizeBlankLine,
partial: true
}
/**
* @this {TokenizeContext}
* @type {Tokenizer}
*/
function tokenizeBlankLine(effects, ok, nok) {
return start
/**
* Start of blank line.
*
* > 👉 **Note**: `␠` represents a space character.
*
* ```markdown
* > | ␠␠␊
* ^
* > | ␊
* ^
* ```
*
* @type {State}
*/
function start(code) {
return markdownSpace(code)
? factorySpace(effects, after, 'linePrefix')(code)
: after(code)
}
/**
* At eof/eol, after optional whitespace.
*
* > 👉 **Note**: `␠` represents a space character.
*
* ```markdown
* > | ␠␠␊
* ^
* > | ␊
* ^
* ```
*
* @type {State}
*/
function after(code) {
return code === null || markdownLineEnding(code) ? ok(code) : nok(code)
}
}
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