Check if parameter is number before Number.parse

e2e/specs/parameters.spec

@@ -6,4 +6,5 @@
 
 ## Custom Parameters in steps
 
-* This step uses a custom parameter of type Person and value "{\"name\":\"John\",\"age\":30}"
+* Convert custom parameter of type Person and value "{\"name\":\"John\",\"age\":30}"
+* Check strings with numbers for example "3 % 4" is correct

e2e/tests/parameter.ts

@@ -8,10 +8,14 @@ export default class Parameter {
     assert.strictEqual(original.trim(), expected);
   }
 
-  @Step("This step uses a custom parameter of type Person and value <person>")
+  @Step("Convert custom parameter of type Person and value <person>")
   public async validatePerson(person: Person) {
     assert.strictEqual(person.name, "John");
     assert.strictEqual(person.age, 30);
     assert.ok(person.isAdult());
   }
+  @Step("Check strings with numbers for example <value> is correct")
+  async checkStringConversion(value: string) {
+    assert.strictEqual(value, "3 % 4");
+  }
 }

gauge-ts/src/processors/params/PrimitiveParser.ts

@@ -27,8 +27,11 @@ export class PrimitiveParser implements ParameterParser {
   }
 
   private convertToNumber(value: string): number | undefined {
-    const num = Number.parseFloat(value);
-    return Number.isNaN(num) ? undefined : num;
+    if (value.trim() === "") {
+      return undefined;
+    }
+    const num = Number(value);
+    return Number.isFinite(num) ? num : undefined;
   }
 
   private convertToBoolean(value: string): boolean | undefined {