fortify-schema/src/core/private/bugs/startWith.ts

A modern TypeScript validation library designed around familiar interface syntax and powerful conditional validation. Experience schema validation that feels natural to TypeScript developers while unlocking advanced runtime validation capabilities.

// ====================================================================
// TEST ORIGINAL FAILING CASE
// ====================================================================

import { Interface } from "../../schema/mode/interfaces/Interface";

const StartsWithSchema = Interface({
  data: "any?",

  // Prefix checking (FIXED: Use quoted strings for arguments with special characters)
  isSystemMessage:
    'when data.message.$startsWith("SYSTEM:") *? boolean : =no_sysMsg',
  isErrorCode: 'when data.code.$startsWith("ERR_") *? boolean : =no',

  // URL checking (FIXED: Use quoted strings for arguments with special characters)
  isSecureUrl: 'when data.url.$startsWith("https://") *? =secure : =no_secure',
});

const data = {
  message: "SYSTEM: unexpected error in your server, plse retry again",
  code: "ERR_NOFOUND",
  url: "https://nehonix.space",
};
// Test 1: Wrong values (should fail)
console.log("🧪 Test 1: Wrong values (should fail)");
const result1 = StartsWithSchema.safeParse({
  data,
  isSystemMessage: "no_sysMsg", // WRONG: condition is true, expects boolean
  isErrorCode: true, // CORRECT: condition is true, expects boolean
  isSecureUrl: "no_secure", // WRONG: condition is true, expects =secure
});
if (result1.success) {
  console.log("✅ Unexpected success:", result1.data);
} else {
  console.log("❌ Expected errors:", result1.errors);
}

// Test 2: Correct values (should pass)
console.log("\n🧪 Test 2: Correct values (should pass)");
const result2 = StartsWithSchema.safeParse({
  data,
  isSystemMessage: true, // CORRECT: condition is true, expects boolean
  isErrorCode: false, // CORRECT: condition is true, expects boolean
  isSecureUrl: "secure", // CORRECT: condition is true, expects =secure
});
if (result2.success) {
  console.log("✅ Expected success:", result2.data);
} else {
  console.log("❌ Unexpected errors:", result2.errors);
}

// Test 3: With non-matching data (should change behavior)
console.log("\n🧪 Test 3: With non-matching data");
const nonMatchingData = {
  message: "INFO: This is an info message", // Doesn't start with "SYSTEM:"
  code: "SUCCESS_OK", // Doesn't start with "ERR_"
  url: "http://example.com", // Doesn't start with "https://"
};

const result3 = StartsWithSchema.safeParse({
  data: nonMatchingData,
  isSystemMessage: "no_sysMsg", // CORRECT: condition is false, expects =no_sysMsg
  isErrorCode: "no", // CORRECT: condition is false, expects =no
  isSecureUrl: "no_secure", // CORRECT: condition is false, expects =no_secure
});
if (result3.success) {
  console.log("✅ Expected success:", result3.data);
} else {
  console.log("❌ Unexpected errors:", result3.errors);
}