Initial repository setup and core files added

Add configuration, documentation, code of conduct, contributing guide, license, and README files. Set up .gitignore, coverage config, GitHub issue templates, pull request template, and initial source code, scripts, and tests for DeepLX optimized for Cloudflare Workers.

scripts/test-runner.js

@@ -0,0 +1,175 @@
+#!/usr/bin/env node
+
+/**
+ * Test runner script for DeepLX
+ * Provides enhanced test execution with reporting and analysis
+ */
+
+const { execSync } = require("child_process");
+const fs = require("fs");
+const path = require("path");
+
+// ANSI color codes for console output
+const colors = {
+  reset: "\x1b[0m",
+  bright: "\x1b[1m",
+  red: "\x1b[31m",
+  green: "\x1b[32m",
+  yellow: "\x1b[33m",
+  blue: "\x1b[34m",
+  magenta: "\x1b[35m",
+  cyan: "\x1b[36m",
+};
+
+function colorize(text, color) {
+  return `${colors[color]}${text}${colors.reset}`;
+}
+
+function log(message, color = "reset") {
+  console.log(colorize(message, color));
+}
+
+function logHeader(message) {
+  console.log("\n" + colorize("=".repeat(60), "cyan"));
+  console.log(colorize(message.toUpperCase(), "bright"));
+  console.log(colorize("=".repeat(60), "cyan") + "\n");
+}
+
+function logSection(message) {
+  console.log("\n" + colorize("-".repeat(40), "blue"));
+  console.log(colorize(message, "bright"));
+  console.log(colorize("-".repeat(40), "blue"));
+}
+
+function runCommand(command, description) {
+  logSection(description);
+  try {
+    const startTime = Date.now();
+    const output = execSync(command, {
+      stdio: "inherit",
+      encoding: "utf8",
+    });
+    const duration = Date.now() - startTime;
+    log(`✅ ${description} completed in ${duration}ms`, "green");
+    return true;
+  } catch (error) {
+    log(`❌ ${description} failed`, "red");
+    console.error(error.message);
+    return false;
+  }
+}
+
+function checkTestFiles() {
+  const testDirs = ["tests/lib", "tests/integration", "tests/performance"];
+  let totalTests = 0;
+
+  logSection("Test File Analysis");
+
+  testDirs.forEach((dir) => {
+    if (fs.existsSync(dir)) {
+      const files = fs.readdirSync(dir).filter((f) => f.endsWith(".test.ts"));
+      log(`${dir}: ${files.length} test files`, "cyan");
+      totalTests += files.length;
+    }
+  });
+
+  log(`Total test files: ${totalTests}`, "bright");
+  return totalTests > 0;
+}
+
+function generateTestReport() {
+  logSection("Generating Test Report");
+
+  const reportData = {
+    timestamp: new Date().toISOString(),
+    testSuite: "DeepLX Translation API",
+    environment: process.env.NODE_ENV || "test",
+    nodeVersion: process.version,
+  };
+
+  const reportPath = path.join("coverage", "test-report.json");
+
+  try {
+    if (!fs.existsSync("coverage")) {
+      fs.mkdirSync("coverage", { recursive: true });
+    }
+
+    fs.writeFileSync(reportPath, JSON.stringify(reportData, null, 2));
+    log(`Test report generated: ${reportPath}`, "green");
+  } catch (error) {
+    log(`Failed to generate test report: ${error.message}`, "red");
+  }
+}
+
+function main() {
+  const args = process.argv.slice(2);
+  const testType = args[0] || "all";
+
+  logHeader("DeepLX Test Suite Runner");
+
+  // Check if test files exist
+  if (!checkTestFiles()) {
+    log("No test files found!", "red");
+    process.exit(1);
+  }
+
+  let success = true;
+
+  // Run different test suites based on argument
+  switch (testType) {
+    case "unit":
+      success = runCommand("npm run test:unit", "Unit Tests");
+      break;
+
+    case "integration":
+      success = runCommand("npm run test:integration", "Integration Tests");
+      break;
+
+    case "performance":
+      success = runCommand("npm run test:performance", "Performance Tests");
+      break;
+
+    case "coverage":
+      success = runCommand("npm run test:coverage", "Coverage Tests");
+      break;
+
+    case "ci":
+      success = runCommand("npm run test:ci", "CI Tests");
+      break;
+
+    case "all":
+    default:
+      // Run all test suites
+      success = runCommand("npm run lint", "Type Checking") && success;
+      success = runCommand("npm run test:unit", "Unit Tests") && success;
+      success =
+        runCommand("npm run test:integration", "Integration Tests") && success;
+      success =
+        runCommand("npm run test:performance", "Performance Tests") && success;
+      success =
+        runCommand("npm run test:coverage", "Coverage Report") && success;
+      break;
+  }
+
+  // Generate test report
+  generateTestReport();
+
+  // Final status
+  logHeader("Test Suite Summary");
+
+  if (success) {
+    log("🎉 All tests passed successfully!", "green");
+    log("The DeepLX translation service is ready for deployment.", "bright");
+  } else {
+    log("💥 Some tests failed!", "red");
+    log("Please review the test output and fix any issues.", "yellow");
+    process.exit(1);
+  }
+}
+
+// Handle command line arguments
+if (require.main === module) {
+  main();
+}
+
+module.exports = { runCommand, checkTestFiles, generateTestReport };