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/**
* @typedef {import('micromark-util-types').InitialConstruct} InitialConstruct
* @typedef {import('micromark-util-types').Initializer} Initializer
* @typedef {import('micromark-util-types').State} State
* @typedef {import('micromark-util-types').TokenizeContext} TokenizeContext
*/
import {blankLine, content} from 'micromark-core-commonmark'
import {factorySpace} from 'micromark-factory-space'
import {markdownLineEnding} from 'micromark-util-character'
import {codes} from 'micromark-util-symbol/codes.js'
import {types} from 'micromark-util-symbol/types.js'
import {ok as assert} from 'uvu/assert'
/** @type {InitialConstruct} */
export const flow = {tokenize: initializeFlow}
/**
* @this {TokenizeContext}
* @type {Initializer}
*/
function initializeFlow(effects) {
const self = this
const initial = effects.attempt(
// Try to parse a blank line.
blankLine,
atBlankEnding,
// Try to parse initial flow (essentially, only code).
effects.attempt(
this.parser.constructs.flowInitial,
afterConstruct,
factorySpace(
effects,
effects.attempt(
this.parser.constructs.flow,
afterConstruct,
effects.attempt(content, afterConstruct)
),
types.linePrefix
)
)
)
return initial
/** @type {State} */
function atBlankEnding(code) {
assert(
code === codes.eof || markdownLineEnding(code),
'expected eol or eof'
)
if (code === codes.eof) {
effects.consume(code)
return
}
effects.enter(types.lineEndingBlank)
effects.consume(code)
effects.exit(types.lineEndingBlank)
self.currentConstruct = undefined
return initial
}
/** @type {State} */
function afterConstruct(code) {
assert(
code === codes.eof || markdownLineEnding(code),
'expected eol or eof'
)
if (code === codes.eof) {
effects.consume(code)
return
}
effects.enter(types.lineEnding)
effects.consume(code)
effects.exit(types.lineEnding)
self.currentConstruct = undefined
return initial
}
}
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