fix(strings): update slugifyGH() replacements (#174)

- hard to find definitive info about GH's slugify rules
- new rules based on more manual experiments and
  studying of unicode charts
- likely not a watertight solution, but should fix most issues
  of prev impl

packages/strings/src/slugify.ts

@@ -34,16 +34,24 @@ export const slugify: Stringer<string> = (str: string) => {
  * @example
  * ```ts
  * slugifyGH("Me, myself (& ëye)!")
- * // "me--myself--eye"
+ * // "me-myself--ëye"
  * ```
  *
  * @param str
  */
 export const slugifyGH = (str: string) => {
-    return str
-        .toLowerCase()
-        .replace(/\s/g, "-")
-        .replace(re, (c) => dest[src.indexOf(c)])
-        .replace(/[^\w\-]+/g, "")
-        .replace(/(^-+)|(-+$)/g, "");
+    return (
+        str
+            .toLowerCase()
+            // remove all punctuations:
+            // - ascii
+            // - https://www.unicode.org/charts/PDF/U2000.pdf (general)
+            // - https://www.unicode.org/charts/PDF/U2700.pdf (dingbats)
+            // - https://www.unicode.org/charts/PDF/U2E00.pdf (supplemental)
+            .replace(
+                /[!"#$%&'()*+,./:;<=>?@\[\\\]^`{|}~\u0000-\u001f\u2000-\u206f\u2700-\u27bf\u2e00-\u2e7f]/g,
+                ""
+            )
+            .replace(/\s/g, "-")
+    );
 };