planning

node_modules/micromark/lib/tokenize/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