Background Colors

/**
 * Apply black background color
 * @param str - Text to highlight
 * @returns Text with black background and ANSI codes
 */
function bgBlack(str: string): string;

/**
 * Apply red background color
 * @param str - Text to highlight
 * @returns Text with red background and ANSI codes
 */
function bgRed(str: string): string;

/**
 * Apply green background color
 * @param str - Text to highlight
 * @returns Text with green background and ANSI codes
 */
function bgGreen(str: string): string;

/**
 * Apply yellow background color
 * @param str - Text to highlight
 * @returns Text with yellow background and ANSI codes
 */
function bgYellow(str: string): string;

/**
 * Apply blue background color
 * @param str - Text to highlight
 * @returns Text with blue background and ANSI codes
 */
function bgBlue(str: string): string;

/**
 * Apply magenta background color
 * @param str - Text to highlight
 * @returns Text with magenta background and ANSI codes
 */
function bgMagenta(str: string): string;

/**
 * Apply cyan background color
 * @param str - Text to highlight
 * @returns Text with cyan background and ANSI codes
 */
function bgCyan(str: string): string;

/**
 * Apply white background color
 * @param str - Text to highlight
 * @returns Text with white background and ANSI codes
 */
function bgWhite(str: string): string;

/**
 * Apply gray background color
 * @param str - Text to highlight
 * @returns Text with gray background and ANSI codes
 */
function bgGray(str: string): string;

/**
 * Apply grey background color (alias for bgGray)
 * @param str - Text to highlight
 * @returns Text with grey background and ANSI codes
 */
function bgGrey(str: string): string;

/**
 * Apply bright red background color
 * @param str - Text to highlight
 * @returns Text with bright red background and ANSI codes
 */
function bgBrightRed(str: string): string;

/**
 * Apply bright green background color
 * @param str - Text to highlight
 * @returns Text with bright green background and ANSI codes
 */
function bgBrightGreen(str: string): string;

/**
 * Apply bright yellow background color
 * @param str - Text to highlight
 * @returns Text with bright yellow background and ANSI codes
 */
function bgBrightYellow(str: string): string;

/**
 * Apply bright blue background color
 * @param str - Text to highlight
 * @returns Text with bright blue background and ANSI codes
 */
function bgBrightBlue(str: string): string;

/**
 * Apply bright magenta background color
 * @param str - Text to highlight
 * @returns Text with bright magenta background and ANSI codes
 */
function bgBrightMagenta(str: string): string;

/**
 * Apply bright cyan background color
 * @param str - Text to highlight
 * @returns Text with bright cyan background and ANSI codes
 */
function bgBrightCyan(str: string): string;

/**
 * Apply bright white background color
 * @param str - Text to highlight
 * @returns Text with bright white background and ANSI codes
 */
function bgBrightWhite(str: string): string;

/**
 * Legacy alias for bgBlack
 * @param str - Text to highlight
 * @returns Text with black background and ANSI codes
 */
function blackBG(str: string): string;

/**
 * Legacy alias for bgRed
 * @param str - Text to highlight
 * @returns Text with red background and ANSI codes
 */
function redBG(str: string): string;

/**
 * Legacy alias for bgGreen
 * @param str - Text to highlight
 * @returns Text with green background and ANSI codes
 */
function greenBG(str: string): string;

/**
 * Legacy alias for bgYellow
 * @param str - Text to highlight
 * @returns Text with yellow background and ANSI codes
 */
function yellowBG(str: string): string;

/**
 * Legacy alias for bgBlue
 * @param str - Text to highlight
 * @returns Text with blue background and ANSI codes
 */
function blueBG(str: string): string;

/**
 * Legacy alias for bgMagenta
 * @param str - Text to highlight
 * @returns Text with magenta background and ANSI codes
 */
function magentaBG(str: string): string;

/**
 * Legacy alias for bgCyan
 * @param str - Text to highlight
 * @returns Text with cyan background and ANSI codes
 */
function cyanBG(str: string): string;

/**
 * Legacy alias for bgWhite  
 * @param str - Text to highlight
 * @returns Text with white background and ANSI codes
 */
function whiteBG(str: string): string;

const colors = require('colors/safe');

console.log(colors.bgRed('Error'));
console.log(colors.bgGreen('Success'));
console.log(colors.bgYellow('Warning'));
console.log(colors.bgBrightBlue('Info'));

const colors = require('colors');

console.log('Error'.bgRed);
console.log('Success'.bgGreen);
console.log('Warning'.bgYellow);
console.log('Info'.bgBrightBlue);

const colors = require('colors/safe');

// High contrast combinations
console.log(colors.white.bgRed('White text on red background'));
console.log(colors.black.bgYellow('Black text on yellow background'));
console.log(colors.yellow.bgBlue('Yellow text on blue background'));

interface String {
  bgBlack: string;
  bgRed: string;
  bgGreen: string;
  bgYellow: string;
  bgBlue: string;
  bgMagenta: string;
  bgCyan: string;
  bgWhite: string;
  bgGray: string;
  bgGrey: string;
  bgBrightRed: string;
  bgBrightGreen: string;
  bgBrightYellow: string;
  bgBrightBlue: string;
  bgBrightMagenta: string;
  bgBrightCyan: string;
  bgBrightWhite: string;
  blackBG: string;
  redBG: string;
  greenBG: string;
  yellowBG: string;
  blueBG: string;
  magentaBG: string;
  cyanBG: string;
  whiteBG: string;
}