windmill/cli/windmill-utils-internal/src/constants.ts

// constants.ts
/**
 * Cross-platform path separator constants
 * Compatible with both Node.js and Deno environments
 */

/**
 * Detects if the current platform is Windows by checking various environment indicators.
 * Uses multiple fallback methods to ensure compatibility across Node.js, Deno, and browser environments.
 * 
 * @returns True if running on Windows, false otherwise
 */
const isWindows = (() => {
    // Try Node.js process.platform first (most reliable)
    if (typeof process !== "undefined" && process.platform) {
      return process.platform === "win32";
    }
    
    // Try Deno specific detection via globalThis
    if (typeof globalThis !== "undefined" && "Deno" in globalThis) {
      return (globalThis as any).Deno?.build?.os === "windows";
    }
    
    // Try navigator.platform (browser/some Deno contexts)
    // @ts-ignore
    if (typeof navigator !== "undefined" && navigator.platform) {
      // @ts-ignore
      return navigator.platform.toLowerCase().includes("win");
    }
    
    // Fallback - assume Unix-like (safest default)
    return false;
  })();
  
  /**
   * Path separator constant - equivalent to Deno's SEPARATOR or Node's path.sep
   * On Windows: "\"
   * On Unix-like systems: "/"
   */
  export const SEP = isWindows ? "\\" : "/";
  
  /**
   * Path delimiter constant for environment variables like PATH
   * On Windows: ";"
   * On Unix-like systems: ":"
   */
  export const DELIMITER = isWindows ? ";" : ":";