Add coverage for errors

Author: blakeembrey

src/index.spec.ts

@@ -2766,6 +2766,24 @@ describe("path-to-regexp", () => {
         pathToRegexp.pathToRegexp("/foo?");
       }).toThrow(new TypeError("Unexpected MODIFIER at 4, expected END"));
     });
+
+    it("should throw on parameters without text between them", () => {
+      expect(() => {
+        pathToRegexp.pathToRegexp("/:x:y");
+      }).toThrow(
+        new TypeError(
+          `Must have text between two parameters, missing text after "x"`,
+        ),
+      );
+    });
+
+    it("should throw on unrepeatable params", () => {
+      expect(() => {
+        pathToRegexp.pathToRegexp("/foo:x*");
+      }).toThrow(
+        new TypeError(`Can not repeat "x" without a prefix and suffix`),
+      );
+    });
   });
 
   describe("tokens", () => {

src/index.ts

@@ -176,7 +176,7 @@ export function parse(str: string, options: ParseOptions = {}): Token[] {
 
     if (prev && !prevText) {
       throw new TypeError(
-        `No support for parameters without text between them after "${(prev as Key).name}"`,
+        `Must have text between two parameters, missing text after "${(prev as Key).name}"`,
       );
     }
 
@@ -583,7 +583,7 @@ export function tokensToRegexp(
         } else {
           if (token.modifier === "+" || token.modifier === "*") {
             throw new TypeError(
-              `Can not repeat ${token.name} with no prefix or suffix, e.g. "/:param${token.modifier}"`,
+              `Can not repeat "${token.name}" without a prefix and suffix`,
             );
           }