self host

1 files changed, 77 insertions, 0 deletions

diff --git a/packages/markdown-it-14.1.0/lib/helpers/parse_link_destination.mjs b/packages/markdown-it-14.1.0/lib/helpers/parse_link_destination.mjs
new file mode 100644
index 0000000..6a723a6
--- /dev/null
+++ b/packages/markdown-it-14.1.0/lib/helpers/parse_link_destination.mjs
@@ -0,0 +1,77 @@
+// Parse link destination
+//
+
+import { unescapeAll } from '../common/utils.mjs'
+
+export default function parseLinkDestination (str, start, max) {
+  let code
+  let pos = start
+
+  const result = {
+    ok: false,
+    pos: 0,
+    str: ''
+  }
+
+  if (str.charCodeAt(pos) === 0x3C /* < */) {
+    pos++
+    while (pos < max) {
+      code = str.charCodeAt(pos)
+      if (code === 0x0A /* \n */) { return result }
+      if (code === 0x3C /* < */) { return result }
+      if (code === 0x3E /* > */) {
+        result.pos = pos + 1
+        result.str = unescapeAll(str.slice(start + 1, pos))
+        result.ok = true
+        return result
+      }
+      if (code === 0x5C /* \ */ && pos + 1 < max) {
+        pos += 2
+        continue
+      }
+
+      pos++
+    }
+
+    // no closing '>'
+    return result
+  }
+
+  // this should be ... } else { ... branch
+
+  let level = 0
+  while (pos < max) {
+    code = str.charCodeAt(pos)
+
+    if (code === 0x20) { break }
+
+    // ascii control characters
+    if (code < 0x20 || code === 0x7F) { break }
+
+    if (code === 0x5C /* \ */ && pos + 1 < max) {
+      if (str.charCodeAt(pos + 1) === 0x20) { break }
+      pos += 2
+      continue
+    }
+
+    if (code === 0x28 /* ( */) {
+      level++
+      if (level > 32) { return result }
+    }
+
+    if (code === 0x29 /* ) */) {
+      if (level === 0) { break }
+      level--
+    }
+
+    pos++
+  }
+
+  if (start === pos) { return result }
+  if (level !== 0) { return result }
+
+  result.str = unescapeAll(str.slice(start, pos))
+  result.pos = pos
+  result.ok = true
+  return result
+}