ns Docsns Docs
Guides

Troubleshooting

Common issues and solutions when using nstypocolors in real-world projects.

This guide helps you diagnose and resolve common issues when using nstypocolors in applications and CLIs.

Colors Not Appearing


Possible causes

  • The terminal does not support ANSI colors
  • Output is being redirected to a file or pipe
  • Color output is disabled by the environment

Solutions

  • Use a modern terminal (Windows Terminal, iTerm2, Kitty, Alacritty)
  • Avoid piping output when expecting colors
  • Test with a minimal script
import { logSuccess } from 'nstypocolors'

logSuccess('Color test')
const { logSuccess } = require('nstypocolors')

logSuccess('Color test')

If this message does not appear colored, the issue is almost always terminal-related.

Gradients Look Incorrect or Noisy


Possible causes

  • Overusing gradients for long output
  • Applying gradients to paragraphs or detailed logs

Use gradients only as visual anchors, such as headers or state changes.

logBuild('Starting process')
console.log('Step 1 completed')
logBuild('Starting process')
console.log('Step 1 completed')
Gradients are designed for emphasis, not continuous text.

Colors Break When Redirecting Output


Example:

my-cli > output.txt

When redirected, ANSI escape codes are written into the file.

Solutions

  • Detect non-TTY output and disable colors
  • Provide a --no-color flag in your CLI
if (process.stdout.isTTY) {
  logInfo('TTY detected')
} else {
  console.log('Non-TTY output')
}
if (process.stdout.isTTY) {
  logInfo('TTY detected')
} else {
  console.log('Non-TTY output')
}

Windows-Specific Issues


Older Windows shells may not render ANSI colors correctly.

  • Use Windows Terminal
  • Update Node.js to a recent LTS version
  • Avoid legacy Command Prompt when possible

PowerShell and Windows Terminal provide significantly better ANSI support than legacy CMD.

Very Short Messages Look Plain


Gradients may appear subtle for very short strings. This is expected behavior.

logSuccess('OK')
logWarn('!')
logSuccess('OK')
logWarn('!')

Short messages should rely on wording rather than visual complexity.

Unexpected Line Breaks


Common causes

  • Manual \n usage
  • Logging wrappers adding extra newlines

Fix

Avoid chaining logs with manual spacing.

logInfo('Step started')
logSuccess('Step completed')
logInfo('Step started')
logSuccess('Step completed')

Mixing Colored and Plain Logs


If output feels inconsistent, apply a layered strategy:

  • Gradient → major state changes
  • Plain text → details and progress
  • Error colors → failures only

This approach keeps logs readable and intentional.

Performance Concerns


nstypocolors is lightweight, but excessive logging can still impact performance.

Best practices

  • Avoid logging inside tight loops
  • Disable verbose output in production
  • Enable detailed logs via flags like --verbose

When Things Still Don’t Work


If issues persist:

  • Verify your Node.js version
  • Test in a clean environment
  • Reduce the problem to a minimal reproduction

When opening an issue, include:

  • Node.js version
  • Terminal name
  • Sample output

Final Note


Most issues with colored output are environment-related, not code-related.

Always prioritize clear, meaningful text—and let color enhance, not replace, communication.

Last updated on

On this page