Function colorize

packages/jest-watcher/src/lib/colorize.ts:10–20

(
  str: string,
  start: number,
  end: number,
)

import chalk from 'chalk';

export default function colorize(
  str: string,
  start: number,
  end: number,
): string {
  return (
    chalk.dim(str.slice(0, start)) +
    chalk.reset(str.slice(start, end)) +
    chalk.dim(str.slice(end))
  );
}