Terminal capability detector

Skill a5c-ai/babysitter/library/specializations/cli-mcp-development/skills/terminal-capability-detector

Detect terminal capabilities including color support, TTY status, size, and Unicode support for adaptive CLI output.From its SKILL.md

Install

npx -y skills add a5c-ai/babysitter --skill terminal-capability-detector

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SKILL.md

1.9 KB, 355 tokens by cl100k_base, as published. Nobody here has run it

Terminal Capability Detector

Detect terminal capabilities for adaptive CLI output.

Capabilities

Detect color support levels
Check TTY status
Get terminal dimensions
Detect Unicode support
Check for CI environment
Configure adaptive output

Generated Patterns

import process from 'process';
import tty from 'tty';

export interface TerminalCapabilities {
  isTTY: boolean;
  colorLevel: 0 | 1 | 2 | 3;
  supportsUnicode: boolean;
  columns: number;
  rows: number;
  isCI: boolean;
}

export function detectCapabilities(): TerminalCapabilities {
  const isTTY = tty.isatty(1);
  const isCI = Boolean(process.env.CI || process.env.CONTINUOUS_INTEGRATION);

  let colorLevel: 0 | 1 | 2 | 3 = 0;
  if (isTTY && !process.env.NO_COLOR) {
    if (process.env.COLORTERM === 'truecolor') colorLevel = 3;
    else if (process.env.TERM?.includes('256color')) colorLevel = 2;
    else if (process.env.TERM && process.env.TERM !== 'dumb') colorLevel = 1;
  }

  const supportsUnicode = process.platform !== 'win32' ||
    process.env.WT_SESSION ||
    process.env.TERM_PROGRAM === 'vscode';

  return {
    isTTY,
    colorLevel,
    supportsUnicode,
    columns: process.stdout.columns || 80,
    rows: process.stdout.rows || 24,
    isCI,
  };
}

Target Processes

cross-platform-cli-compatibility
cli-output-formatting
progress-status-indicators

What ships with it: 1 file

498 B alongside SKILL.md