import chalk, { ChalkInstance } from 'chalk';
// Theme definition
export interface Theme {
primary: string;
secondary: string;
success: string;
warning: string;
error: string;
info: string;
muted: string;
}
const defaultTheme: Theme = {
primary: '#3498db',
secondary: '#9b59b6',
success: '#2ecc71',
warning: '#f39c12',
error: '#e74c3c',
info: '#00bcd4',
muted: '#95a5a6',
};
// Create themed chalk instance
export function createTheme(theme: Partial<Theme> = {}): {
primary: ChalkInstance;
secondary: ChalkInstance;
success: ChalkInstance;
warning: ChalkInstance;
error: ChalkInstance;
info: ChalkInstance;
muted: ChalkInstance;
} {
const t = { ...defaultTheme, ...theme };
return {
primary: chalk.hex(t.primary),
secondary: chalk.hex(t.secondary),
success: chalk.hex(t.success),
warning: chalk.hex(t.warning),
error: chalk.hex(t.error),
info: chalk.hex(t.info),
muted: chalk.hex(t.muted),
};
}
// Default styled outputs
export const style = createTheme();
// Semantic helpers
export const log = {
success: (msg: string) => console.log(style.success('✓ ') + msg),
error: (msg: string) => console.error(style.error('✗ ') + msg),
warning: (msg: string) => console.log(style.warning('⚠ ') + msg),
info: (msg: string) => console.log(style.info('ℹ ') + msg),
debug: (msg: string) => console.log(style.muted('⋯ ') + msg),
};
// Text formatting
export const format = {
bold: chalk.bold,
dim: chalk.dim,
italic: chalk.italic,
underline: chalk.underline,
strikethrough: chalk.strikethrough,
code: (text: string) => chalk.bgGray.white(` ${text} `),
link: (text: string, url: string) => chalk.blue.underline(text) + ` (${chalk.dim(url)})`,
};
// Box drawing
export function box(content: string, options?: {
title?: string;
padding?: number;
borderColor?: string;
}): string {
const lines = content.split('\n');
const maxWidth = Math.max(...lines.map(l => l.length), options?.title?.length || 0);
const padding = options?.padding || 1;
const borderColor = options?.borderColor || '#888';
const border = chalk.hex(borderColor);
const horizontalBorder = border('─'.repeat(maxWidth + padding * 2 + 2));
const emptyLine = border('│') + ' '.repeat(maxWidth + padding * 2) + border('│');
const result: string[] = [];
// Top border with optional title
if (options?.title) {
const titlePadding = Math.floor((maxWidth + padding * 2 - options.title.length) / 2);
result.push(
border('┌') +
border('─'.repeat(titlePadding)) +
` ${options.title} ` +
border('─'.repeat(maxWidth + padding * 2 - titlePadding - options.title.length - 2)) +
border('┐')
);
} else {
result.push(border('┌') + horizontalBorder.slice(1, -1) + border('┐'));
}
// Padding top
for (let i = 0; i < padding; i++) {
result.push(emptyLine);
}
// Content
for (const line of lines) {
result.push(
border('│') +
' '.repeat(padding) +
line.padEnd(maxWidth) +
' '.repeat(padding) +
border('│')
);
}
// Padding bottom
for (let i = 0; i < padding; i++) {
result.push(emptyLine);
}
// Bottom border
result.push(border('└') + horizontalBorder.slice(1, -1) + border('┘'));
return result.join('\n');
}
// Table formatting
export function table(
headers: string[],
rows: string[][],
options?: { headerColor?: string }
): string {
const headerColor = chalk.hex(options?.headerColor || '#3498db').bold;
const colWidths = headers.map((h, i) =>
Math.max(h.length, ...rows.map(r => (r[i] || '').length))
);
const headerRow = headers
.map((h, i) => headerColor(h.padEnd(colWidths[i])))
.join(' ');
const separator = colWidths.map(w => '─'.repeat(w)).join('──');
const dataRows = rows.map(row =>
row.map((cell, i) => (cell || '').padEnd(colWidths[i])).join(' ')
);
return [headerRow, separator, ...dataRows].join('\n');
}