planning

node_modules/micromark/dist/tokenize/factory-title.js

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+'use strict'
+
+var markdownLineEnding = require('../character/markdown-line-ending.js')
+var factorySpace = require('./factory-space.js')
+
+function titleFactory(effects, ok, nok, type, markerType, stringType) {
+  var marker
+  return start
+
+  function start(code) {
+    effects.enter(type)
+    effects.enter(markerType)
+    effects.consume(code)
+    effects.exit(markerType)
+    marker = code === 40 ? 41 : 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 === null) {
+      return nok(code)
+    } // Note: blank lines can’t exist in content.
+
+    if (markdownLineEnding(code)) {
+      effects.enter('lineEnding')
+      effects.consume(code)
+      effects.exit('lineEnding')
+      return factorySpace(effects, atTitleBreak, 'linePrefix')
+    }
+
+    effects.enter('chunkString', {
+      contentType: 'string'
+    })
+    return title(code)
+  }
+
+  function title(code) {
+    if (code === marker || code === null || markdownLineEnding(code)) {
+      effects.exit('chunkString')
+      return atTitleBreak(code)
+    }
+
+    effects.consume(code)
+    return code === 92 ? titleEscape : title
+  }
+
+  function titleEscape(code) {
+    if (code === marker || code === 92) {
+      effects.consume(code)
+      return title
+    }
+
+    return title(code)
+  }
+}
+
+module.exports = titleFactory