Auto-detect support for `stderr`

I want use colors only on console.error calls which is typically terminal. I suggest some API extension, very easy idea is chaining like this:

const coloredOutput = chalk.stderr.red('RED ALERT');

This can be used more easily like this:

const chalk = require('chalk').stderr;
const coloredOutput = chalk.red('RED ALERT');

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stroncium has been rewarded.

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Submitted pull Requests

• #359 Add chalk.stderr and chalk.stderr.supportsColor

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[langpavel]

I just published chalk-stderr — github — npm — yarn with chalk and supports-color as peer dependencies.

Source:

const supportsColor = require('supports-color');
const Chalk = require('chalk').constructor;
module.exports = new Chalk({ level: supportsColor.stderr.level });

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