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node_modules/mdast-util-to-hast/lib/revert.js

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+/**
+ * @typedef {import('hast').ElementContent} ElementContent
+ *
+ * @typedef {import('mdast').Nodes} Nodes
+ * @typedef {import('mdast').Reference} Reference
+ *
+ * @typedef {import('./state.js').State} State
+ */
+
+// Make VS Code show references to the above types.
+''
+
+/**
+ * Return the content of a reference without definition as plain text.
+ *
+ * @param {State} state
+ *   Info passed around.
+ * @param {Extract<Nodes, Reference>} node
+ *   Reference node (image, link).
+ * @returns {Array<ElementContent>}
+ *   hast content.
+ */
+export function revert(state, node) {
+  const subtype = node.referenceType
+  let suffix = ']'
+
+  if (subtype === 'collapsed') {
+    suffix += '[]'
+  } else if (subtype === 'full') {
+    suffix += '[' + (node.label || node.identifier) + ']'
+  }
+
+  if (node.type === 'imageReference') {
+    return [{type: 'text', value: '![' + node.alt + suffix}]
+  }
+
+  const contents = state.all(node)
+  const head = contents[0]
+
+  if (head && head.type === 'text') {
+    head.value = '[' + head.value
+  } else {
+    contents.unshift({type: 'text', value: '['})
+  }
+
+  const tail = contents[contents.length - 1]
+
+  if (tail && tail.type === 'text') {
+    tail.value += suffix
+  } else {
+    contents.push({type: 'text', value: suffix})
+  }
+
+  return contents
+}