planning

node_modules/remark-stringify/lib/util/label.js

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+'use strict'
+
+module.exports = label
+
+var leftSquareBracket = '['
+var rightSquareBracket = ']'
+
+var shortcut = 'shortcut'
+var collapsed = 'collapsed'
+
+// Stringify a reference label.
+// Because link references are easily, mistakingly, created (for example,
+// `[foo]`), reference nodes have an extra property depicting how it looked in
+// the original document, so stringification can cause minimal changes.
+function label(node) {
+  var type = node.referenceType
+
+  if (type === shortcut) {
+    return ''
+  }
+
+  return (
+    leftSquareBracket +
+    (type === collapsed ? '' : node.label || node.identifier) +
+    rightSquareBracket
+  )
+}