self host

1 files changed, 56 insertions, 0 deletions

diff --git a/packages/markdown-it-14.1.0/lib/rules_inline/linkify.mjs b/packages/markdown-it-14.1.0/lib/rules_inline/linkify.mjs
new file mode 100644
index 0000000..fdc817a
--- /dev/null
+++ b/packages/markdown-it-14.1.0/lib/rules_inline/linkify.mjs
@@ -0,0 +1,56 @@
+// Process links like https://example.org/
+
+// RFC3986: scheme = ALPHA *( ALPHA / DIGIT / "+" / "-" / "." )
+const SCHEME_RE = /(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$/i
+
+export default function linkify (state, silent) {
+  if (!state.md.options.linkify) return false
+  if (state.linkLevel > 0) return false
+
+  const pos = state.pos
+  const max = state.posMax
+
+  if (pos + 3 > max) return false
+  if (state.src.charCodeAt(pos) !== 0x3A/* : */) return false
+  if (state.src.charCodeAt(pos + 1) !== 0x2F/* / */) return false
+  if (state.src.charCodeAt(pos + 2) !== 0x2F/* / */) return false
+
+  const match = state.pending.match(SCHEME_RE)
+  if (!match) return false
+
+  const proto = match[1]
+
+  const link = state.md.linkify.matchAtStart(state.src.slice(pos - proto.length))
+  if (!link) return false
+
+  let url = link.url
+
+  // invalid link, but still detected by linkify somehow;
+  // need to check to prevent infinite loop below
+  if (url.length <= proto.length) return false
+
+  // disallow '*' at the end of the link (conflicts with emphasis)
+  url = url.replace(/\*+$/, '')
+
+  const fullUrl = state.md.normalizeLink(url)
+  if (!state.md.validateLink(fullUrl)) return false
+
+  if (!silent) {
+    state.pending = state.pending.slice(0, -proto.length)
+
+    const token_o = state.push('link_open', 'a', 1)
+    token_o.attrs = [['href', fullUrl]]
+    token_o.markup = 'linkify'
+    token_o.info = 'auto'
+
+    const token_t = state.push('text', '', 0)
+    token_t.content = state.md.normalizeLinkText(url)
+
+    const token_c = state.push('link_close', 'a', -1)
+    token_c.markup = 'linkify'
+    token_c.info = 'auto'
+  }
+
+  state.pos += url.length - proto.length
+  return true
+}