perf: faster encode_url and decode_url

Author: D-Sketon

lib/decode_url.ts

@@ -1,8 +1,15 @@
-import { parse, format } from 'url';
+import { format } from 'url';
 import { unescape } from 'querystring';
 
+const PROTOCOL_RE = /^[a-z0-9.+-]+:/i;
+
+const hasProtocolLikeNode = (str: unknown): boolean => {
+  if (typeof str !== 'string') throw new TypeError('url must be a string');
+  return PROTOCOL_RE.test(str.trim());
+};
+
 const decodeURL = (str: string) => {
-  if (parse(str).protocol) {
+  if (hasProtocolLikeNode(str)) {
     const parsed = new URL(str);
 
     // Exit if input is a data url

lib/encode_url.ts

@@ -1,8 +1,15 @@
-import { parse, format } from 'url';
+import { format } from 'url';
 import { unescape } from 'querystring';
 
+const PROTOCOL_RE = /^[a-z0-9.+-]+:/i;
+
+const hasProtocolLikeNode = (str: unknown): boolean => {
+  if (typeof str !== 'string') throw new TypeError('url must be a string');
+  return PROTOCOL_RE.test(str.trim());
+};
+
 const encodeURL = (str: string) => {
-  if (parse(str).protocol) {
+  if (hasProtocolLikeNode(str)) {
     const parsed = new URL(str);
 
     // Exit if input is a data url