sassy-log/lib/colors.js

Logging, but with sass, satire, and some serious fun. A developer-first NPM package that replaces boring console.log() statements with snarky, sarcastic, or corporate-smooth one-liners.

/**
 * Color utility functions for cross-platform terminal colors
 * Works on Windows, macOS, Linux, and various terminals
 */

// ANSI color codes
const colors = {
  reset: '\x1b[0m',
  bright: '\x1b[1m',
  dim: '\x1b[2m',
  
  // Text colors
  black: '\x1b[30m',
  red: '\x1b[31m',
  green: '\x1b[32m',
  yellow: '\x1b[33m',
  blue: '\x1b[34m',
  magenta: '\x1b[35m',
  cyan: '\x1b[36m',
  white: '\x1b[37m',
  
  // Bright text colors
  brightRed: '\x1b[91m',
  brightGreen: '\x1b[92m',
  brightYellow: '\x1b[93m',
  brightBlue: '\x1b[94m',
  brightMagenta: '\x1b[95m',
  brightCyan: '\x1b[96m'
};

// Log type to color mapping
const logColors = {
  info: colors.cyan,
  success: colors.green,
  warn: colors.yellow,
  error: colors.red
};

/**
 * Check if the current environment supports colors
 */
function supportsColor() {
  // Check if we're in a browser environment
  if (typeof window !== 'undefined') {
    return false; // Browser console handles colors differently
  }
  
  // Check Node.js environment
  if (typeof process !== 'undefined') {
    // Check for CI environments that support colors
    if (process.env.CI && ['GITHUB_ACTIONS', 'TRAVIS', 'CIRCLECI', 'GITLAB_CI'].some(ci => process.env[ci])) {
      return true;
    }
    
    // Check if colors are explicitly disabled
    if (process.env.NO_COLOR || process.env.NODE_DISABLE_COLORS) {
      return false;
    }
    
    // Check if colors are explicitly enabled
    if (process.env.FORCE_COLOR) {
      return true;
    }
    
    // Check if we have a TTY
    if (process.stdout && process.stdout.isTTY) {
      return true;
    }
    
    // Check for common terminals that support colors
    const term = process.env.TERM;
    if (term && (term.includes('color') || term.includes('256') || term === 'xterm' || term === 'screen')) {
      return true;
    }
    
    // Check for Windows Terminal, VS Code, and other modern terminals
    if (process.env.WT_SESSION || process.env.TERM_PROGRAM === 'vscode' || process.env.COLORTERM) {
      return true;
    }
  }
  
  return false;
}

/**
 * Get color code for log type
 */
function getColorCode(type) {
  return logColors[type] || colors.white;
}

// Export color utilities
module.exports = {
  colors,
  logColors,
  supportsColor,
  getColorCode,
  resetColor: colors.reset
};