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rOACCT/node_modules/micromark/lib/tokenize/label-start-image.js
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label-start-image.js
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			'use strict'

			var labelEnd = require('./label-end.js')
			var assert = require('assert')
			var codes = require('../character/codes.js')
			var types = require('../constant/types.js')

			function _interopDefaultLegacy(e) {
			return e && typeof e === 'object' && 'default' in e ? e : {default: e}
			}

			var assert__default = /#__PURE__/ _interopDefaultLegacy(assert)

			var labelStartImage = {
			name: 'labelStartImage',
			tokenize: tokenizeLabelStartImage,
			resolveAll: labelEnd.resolveAll
			}

			function tokenizeLabelStartImage(effects, ok, nok) {
			var self = this

			return start

			function start(code) {
			assert__default['default'](code === codes.exclamationMark, 'expected `!`')
			effects.enter(types.labelImage)
			effects.enter(types.labelImageMarker)
			effects.consume(code)
			effects.exit(types.labelImageMarker)
			return open
			}

			function open(code) {
			if (code === codes.leftSquareBracket) {
			effects.enter(types.labelMarker)
			effects.consume(code)
			effects.exit(types.labelMarker)
			effects.exit(types.labelImage)
			return after
			}

			return nok(code)
			}

			function after(code) {
			/* c8 ignore next */
			return code === codes.caret &&
			/* c8 ignore next */
			'_hiddenFootnoteSupport' in self.parser.constructs
			? /* c8 ignore next */ nok(code)
			: ok(code)
			}
			}

			module.exports = labelStartImage