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rOACCT/node_modules/micromark/lib/tokenize/factory-title.mjs
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factory-title.mjs
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			export default titleFactory

			import assert from 'assert'
			import codes from '../character/codes.mjs'
			import markdownLineEnding from '../character/markdown-line-ending.mjs'
			import constants from '../constant/constants.mjs'
			import types from '../constant/types.mjs'
			import spaceFactory from './factory-space.mjs'

			// eslint-disable-next-line max-params
			function titleFactory(effects, ok, nok, type, markerType, stringType) {
			var marker

			return start

			function start(code) {
			assert(
			code === codes.quotationMark \|\|
			code === codes.apostrophe \|\|
			code === codes.leftParenthesis,
			'expected `"`, `\'`, or `(`'
			)
			effects.enter(type)
			effects.enter(markerType)
			effects.consume(code)
			effects.exit(markerType)
			marker = code === codes.leftParenthesis ? codes.rightParenthesis : code
			return atFirstTitleBreak
			}

			function atFirstTitleBreak(code) {
			if (code === marker) {
			effects.enter(markerType)
			effects.consume(code)
			effects.exit(markerType)
			effects.exit(type)
			return ok
			}

			effects.enter(stringType)
			return atTitleBreak(code)
			}

			function atTitleBreak(code) {
			if (code === marker) {
			effects.exit(stringType)
			return atFirstTitleBreak(marker)
			}

			if (code === codes.eof) {
			return nok(code)
			}

			// Note: blank lines can’t exist in content.
			if (markdownLineEnding(code)) {
			effects.enter(types.lineEnding)
			effects.consume(code)
			effects.exit(types.lineEnding)
			return spaceFactory(effects, atTitleBreak, types.linePrefix)
			}

			effects.enter(types.chunkString, {contentType: constants.contentTypeString})
			return title(code)
			}

			function title(code) {
			if (code === marker \|\| code === codes.eof \|\| markdownLineEnding(code)) {
			effects.exit(types.chunkString)
			return atTitleBreak(code)
			}

			effects.consume(code)
			return code === codes.backslash ? titleEscape : title
			}

			function titleEscape(code) {
			if (code === marker \|\| code === codes.backslash) {
			effects.consume(code)
			return title
			}

			return title(code)
			}
			}