1 files changed, 49 insertions, 0 deletions
diff --git a/packages/markdown-it-14.1.0/lib/helpers/parse_link_label.mjs b/packages/markdown-it-14.1.0/lib/helpers/parse_link_label.mjs
new file mode 100644
index 0000000..f1a53fa
--- /dev/null
+++ b/packages/markdown-it-14.1.0/lib/helpers/parse_link_label.mjs
@@ -0,0 +1,49 @@
+// Parse link label
+//
+// this function assumes that first character ("[") already matches;
+// returns the end of the label
+//
+
+export default function parseLinkLabel (state, start, disableNested) {
+  let level, found, marker, prevPos
+
+  const max = state.posMax
+  const oldPos = state.pos
+
+  state.pos = start + 1
+  level = 1
+
+  while (state.pos < max) {
+    marker = state.src.charCodeAt(state.pos)
+    if (marker === 0x5D /* ] */) {
+      level--
+      if (level === 0) {
+        found = true
+        break
+      }
+    }
+
+    prevPos = state.pos
+    state.md.inline.skipToken(state)
+    if (marker === 0x5B /* [ */) {
+      if (prevPos === state.pos - 1) {
+        // increase level if we find text `[`, which is not a part of any token
+        level++
+      } else if (disableNested) {
+        state.pos = oldPos
+        return -1
+      }
+    }
+  }
+
+  let labelEnd = -1
+
+  if (found) {
+    labelEnd = state.pos
+  }
+
+  // restore old state
+  state.pos = oldPos
+
+  return labelEnd
+}