Clarify the link included in parser error messages

Author: simhnna

src/index.spec.ts

@@ -15,38 +15,38 @@ describe("path-to-regexp", () => {
     it("should throw on unbalanced group", () => {
       expect(() => parse("/{:foo,")).toThrow(
         new TypeError(
-          "Unexpected END at 7, expected }: https://git.new/pathToRegexpError",
+          "Unexpected END at 7, expected }: visit https://git.new/pathToRegexpError for more information.",
         ),
       );
     });
     it("should throw on nested unbalanced group", () => {
       expect(() => parse("/{:foo/{x,y}")).toThrow(
         new TypeError(
-          "Unexpected END at 12, expected }: https://git.new/pathToRegexpError",
+          "Unexpected END at 12, expected }: visit https://git.new/pathToRegexpError for more information.",
         ),
       );
     });
 
     it("should throw on missing param name", () => {
       expect(() => parse("/:/")).toThrow(
         new TypeError(
-          "Missing parameter name at 2: https://git.new/pathToRegexpError",
+          "Missing parameter name at 2: visit https://git.new/pathToRegexpError for more information.",
         ),
       );
     });
 
     it("should throw on missing wildcard name", () => {
       expect(() => parse("/*/")).toThrow(
         new TypeError(
-          "Missing parameter name at 2: https://git.new/pathToRegexpError",
+          "Missing parameter name at 2: visit https://git.new/pathToRegexpError for more information.",
         ),
       );
     });
 
     it("should throw on unterminated quote", () => {
       expect(() => parse('/:"foo')).toThrow(
         new TypeError(
-          "Unterminated quote at 2: https://git.new/pathToRegexpError",
+          "Unterminated quote at 2: visit https://git.new/pathToRegexpError for more information.",
         ),
       );
     });

src/index.ts

@@ -145,12 +145,16 @@ function* lexer(str: string): Generator<LexToken, LexToken> {
       }
 
       if (pos) {
-        throw new TypeError(`Unterminated quote at ${pos}: ${DEBUG_URL}`);
+        throw new TypeError(
+          `Unterminated quote at ${pos}: visit ${DEBUG_URL} for more information.`,
+        );
       }
     }
 
     if (!value) {
-      throw new TypeError(`Missing parameter name at ${i}: ${DEBUG_URL}`);
+      throw new TypeError(
+        `Missing parameter name at ${i}: visit ${DEBUG_URL} for more information.`,
+      );
     }
 
     return value;
@@ -203,7 +207,7 @@ class Iter {
     if (value !== undefined) return value;
     const { type: nextType, index } = this.peek();
     throw new TypeError(
-      `Unexpected ${nextType} at ${index}, expected ${type}: ${DEBUG_URL}`,
+      `Unexpected ${nextType} at ${index}, expected ${type}: visit ${DEBUG_URL} for more information.`,
     );
   }
 
@@ -575,7 +579,9 @@ function toRegExp(tokens: Flattened[], delimiter: string, keys: Keys) {
 
     if (token.type === "param" || token.type === "wildcard") {
       if (!isSafeSegmentParam && !backtrack) {
-        throw new TypeError(`Missing text after "${token.name}": ${DEBUG_URL}`);
+        throw new TypeError(
+          `Missing text after "${token.name}": visit ${DEBUG_URL} for more information.`,
+        );
       }
 
       if (token.type === "param") {