1 files changed, 51 insertions, 0 deletions
diff --git a/packages/markdown-it-14.1.0/lib/rules_inline/entity.mjs b/packages/markdown-it-14.1.0/lib/rules_inline/entity.mjs
new file mode 100644
index 0000000..e65191d
--- /dev/null
+++ b/packages/markdown-it-14.1.0/lib/rules_inline/entity.mjs
@@ -0,0 +1,51 @@
+// Process html entity - &#123;, &#xAF;, &quot;, ...
+
+import { decodeHTML } from 'entities'
+import { isValidEntityCode, fromCodePoint } from '../common/utils.mjs'
+
+const DIGITAL_RE = /^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));/i
+const NAMED_RE   = /^&([a-z][a-z0-9]{1,31});/i
+
+export default function entity (state, silent) {
+  const pos = state.pos
+  const max = state.posMax
+
+  if (state.src.charCodeAt(pos) !== 0x26/* & */) return false
+
+  if (pos + 1 >= max) return false
+
+  const ch = state.src.charCodeAt(pos + 1)
+
+  if (ch === 0x23 /* # */) {
+    const match = state.src.slice(pos).match(DIGITAL_RE)
+    if (match) {
+      if (!silent) {
+        const code = match[1][0].toLowerCase() === 'x' ? parseInt(match[1].slice(1), 16) : parseInt(match[1], 10)
+
+        const token   = state.push('text_special', '', 0)
+        token.content = isValidEntityCode(code) ? fromCodePoint(code) : fromCodePoint(0xFFFD)
+        token.markup  = match[0]
+        token.info    = 'entity'
+      }
+      state.pos += match[0].length
+      return true
+    }
+  } else {
+    const match = state.src.slice(pos).match(NAMED_RE)
+    if (match) {
+      const decoded = decodeHTML(match[0])
+      if (decoded !== match[0]) {
+        if (!silent) {
+          const token   = state.push('text_special', '', 0)
+          token.content = decoded
+          token.markup  = match[0]
+          token.info    = 'entity'
+        }
+        state.pos += match[0].length
+        return true
+      }
+    }
+  }
+
+  return false
+}