refactor(core): and markdown compiler

src/core/render/slugify.js

@@ -0,0 +1,27 @@
+let cache = {}
+const re = /[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,.\/:;<=>?@\[\]^`{|}~]/g
+
+export function slugify (str) {
+  if (typeof str !== 'string') return ''
+
+  let slug = str.toLowerCase().trim()
+    .replace(/<[^>\d]+>/g, '')
+    .replace(re, '')
+    .replace(/\s/g, '-')
+    .replace(/-+/g, '-')
+    .replace(/^(\d)/, '_$1')
+  let count = cache[slug]
+
+  count = cache.hasOwnProperty(slug) ? (count + 1) : 0
+  cache[slug] = count
+
+  if (count) {
+    slug = slug + '-' + count
+  }
+
+  return slug
+}
+
+export function clearSlugCache () {
+  cache = {}
+}