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DEV](https://badge.devprotocol.xyz/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15/descriptive)](https://stakes.social/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15)\n\n<img src=\"https://cdn.jsdelivr.net/gh/chalk/ansi-styles@8261697c95bf34b6c7767e2cbe9941a851d59385/screenshot.svg\" width=\"900\">\n\n<br>\n\n---\n\n<div align=\"center\">\n\t<p>\n\t\t<p>\n\t\t\t<sup>\n\t\t\t\tSindre Sorhus' open source work is supported by the community on <a href=\"https://github.com/sponsors/sindresorhus\">GitHub Sponsors</a> and <a href=\"https://stakes.social/0x44d871aebF0126Bf646753E2C976Aa7e68A66c15\">Dev</a>\n\t\t\t</sup>\n\t\t</p>\n\t\t<sup>Special thanks to:</sup>\n\t\t<br>\n\t\t<br>\n\t\t<a href=\"https://standardresume.co/tech\">\n\t\t\t<img src=\"https://sindresorhus.com/assets/thanks/standard-resume-logo.svg\" width=\"160\"/>\n\t\t</a>\n\t\t<br>\n\t\t<br>\n\t\t<a href=\"https://retool.com/?utm_campaign=sindresorhus\">\n\t\t\t<img src=\"https://sindresorhus.com/assets/thanks/retool-logo.svg\" width=\"230\"/>\n\t\t</a>\n\t\t<br>\n\t\t<br>\n\t\t<a href=\"https://doppler.com/?utm_campaign=github_repo&utm_medium=referral&utm_content=chalk&utm_source=github\">\n\t\t\t<div>\n\t\t\t\t<img src=\"https://dashboard.doppler.com/imgs/logo-long.svg\" width=\"240\" alt=\"Doppler\">\n\t\t\t</div>\n\t\t\t<b>All your environment variables, in one place</b>\n\t\t\t<div>\n\t\t\t\t<span>Stop struggling with scattered API keys, hacking together home-brewed tools,</span>\n\t\t\t\t<br>\n\t\t\t\t<span>and avoiding access controls. Keep your team and servers in sync with Doppler.</span>\n\t\t\t</div>\n\t\t</a>\n\t\t<br>\n\t\t<a href=\"https://strapi.io/?ref=sindresorhus\">\n\t\t\t<div>\n\t\t\t\t<img src=\"https://sindresorhus.com/assets/thanks/strapi-logo-white-bg.png\" width=\"220\" alt=\"Strapi\">\n\t\t\t</div>\n\t\t\t<b>Strapi is the leading open-source headless CMS.</b>\n\t\t\t<div>\n\t\t\t\t<sup>It’s 100% JavaScript, fully customizable, and developer-first.</sup>\n\t\t\t</div>\n\t\t</a>\n\t</p>\n</div>\n\n---\n\n<br>\n\n## Highlights\n\n- Expressive API\n- Highly performant\n- No dependencies\n- Ability to nest styles\n- [256/Truecolor color support](#256-and-truecolor-color-support)\n- Auto-detects color support\n- Doesn't extend `String.prototype`\n- Clean and focused\n- Actively maintained\n- [Used by ~76,000 packages](https://www.npmjs.com/browse/depended/chalk) as of October 26, 2021\n\n## Install\n\n```sh\nnpm install chalk\n```\n\n**IMPORTANT:** Chalk 5 is ESM. If you want to use Chalk with TypeScript or a build tool, you will probably want to use Chalk 4 for now. [Read more.](https://github.com/chalk/chalk/releases/tag/v5.0.0)\n\n## Usage\n\n```js\nimport chalk from 'chalk';\n\nconsole.log(chalk.blue('Hello world!'));\n```\n\nChalk comes with an easy to use composable API where you just chain and nest the styles you want.\n\n```js\nimport chalk from 'chalk';\n\nconst log = console.log;\n\n// Combine styled and normal strings\nlog(chalk.blue('Hello') + ' World' + chalk.red('!'));\n\n// Compose multiple styles using the chainable API\nlog(chalk.blue.bgRed.bold('Hello world!'));\n\n// Pass in multiple arguments\nlog(chalk.blue('Hello', 'World!', 'Foo', 'bar', 'biz', 'baz'));\n\n// Nest styles\nlog(chalk.red('Hello', chalk.underline.bgBlue('world') + '!'));\n\n// Nest styles of the same type even (color, underline, background)\nlog(chalk.green(\n\t'I am a green line ' +\n\tchalk.blue.underline.bold('with a blue substring') +\n\t' that becomes green again!'\n));\n\n// ES2015 template literal\nlog(`\nCPU: ${chalk.red('90%')}\nRAM: ${chalk.green('40%')}\nDISK: ${chalk.yellow('70%')}\n`);\n\n// Use RGB colors in terminal emulators that support it.\nlog(chalk.rgb(123, 45, 67).underline('Underlined reddish color'));\nlog(chalk.hex('#DEADED').bold('Bold gray!'));\n```\n\nEasily define your own themes:\n\n```js\nimport chalk from 'chalk';\n\nconst error = chalk.bold.red;\nconst warning = chalk.hex('#FFA500'); // Orange color\n\nconsole.log(error('Error!'));\nconsole.log(warning('Warning!'));\n```\n\nTake advantage of console.log [string substitution](https://nodejs.org/docs/latest/api/console.html#console_console_log_data_args):\n\n```js\nimport chalk from 'chalk';\n\nconst name = 'Sindre';\nconsole.log(chalk.green('Hello %s'), name);\n//=> 'Hello Sindre'\n```\n\n## API\n\n### chalk.`<style>[.<style>...](string, [string...])`\n\nExample: `chalk.red.bold.underline('Hello', 'world');`\n\nChain [styles](#styles) and call the last one as a method with a string argument. Order doesn't matter, and later styles take precedent in case of a conflict. This simply means that `chalk.red.yellow.green` is equivalent to `chalk.green`.\n\nMultiple arguments will be separated by space.\n\n### chalk.level\n\nSpecifies the level of color support.\n\nColor support is automatically detected, but you can override it by setting the `level` property. You should however only do this in your own code as it applies globally to all Chalk consumers.\n\nIf you need to change this in a reusable module, create a new instance:\n\n```js\nimport {Chalk} from 'chalk';\n\nconst customChalk = new Chalk({level: 0});\n```\n\n| Level | Description |\n| :---: | :--- |\n| `0` | All colors disabled |\n| `1` | Basic color support (16 colors) |\n| `2` | 256 color support |\n| `3` | Truecolor support (16 million colors) |\n\n### supportsColor\n\nDetect whether the terminal [supports color](https://github.com/chalk/supports-color). Used internally and handled for you, but exposed for convenience.\n\nCan be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, use the environment variable `FORCE_COLOR=1` (level 1), `FORCE_COLOR=2` (level 2), or `FORCE_COLOR=3` (level 3) to forcefully enable color, or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks.\n\nExplicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively.\n\n### chalkStderr and supportsColorStderr\n\n`chalkStderr` contains a separate instance configured with color support detected for `stderr` stream instead of `stdout`. Override rules from `supportsColor` apply to this too. `supportsColorStderr` is exposed for convenience.\n\n## Styles\n\n### Modifiers\n\n- `reset` - Reset the current style.\n- `bold` - Make the text bold.\n- `dim` - Make the text have lower opacity.\n- `italic` - Make the text italic. *(Not widely supported)*\n- `underline` - Put a horizontal line below the text. *(Not widely supported)*\n- `overline` - Put a horizontal line above the text. *(Not widely supported)*\n- `inverse`- Invert background and foreground colors.\n- `hidden` - Print the text but make it invisible.\n- `strikethrough` - Puts a horizontal line through the center of the text. *(Not widely supported)*\n- `visible`- Print the text only when Chalk has a color level above zero. Can be useful for things that are purely cosmetic.\n\n### Colors\n\n- `black`\n- `red`\n- `green`\n- `yellow`\n- `blue`\n- `magenta`\n- `cyan`\n- `white`\n- `blackBright` (alias: `gray`, `grey`)\n- `redBright`\n- `greenBright`\n- `yellowBright`\n- `blueBright`\n- `magentaBright`\n- `cyanBright`\n- `whiteBright`\n\n### Background colors\n\n- `bgBlack`\n- `bgRed`\n- `bgGreen`\n- `bgYellow`\n- `bgBlue`\n- `bgMagenta`\n- `bgCyan`\n- `bgWhite`\n- `bgBlackBright` (alias: `bgGray`, `bgGrey`)\n- `bgRedBright`\n- `bgGreenBright`\n- `bgYellowBright`\n- `bgBlueBright`\n- `bgMagentaBright`\n- `bgCyanBright`\n- `bgWhiteBright`\n\n## 256 and Truecolor color support\n\nChalk supports 256 colors and [Truecolor](https://gist.github.com/XVilka/8346728) (16 million colors) on supported terminal apps.\n\nColors are downsampled from 16 million RGB values to an ANSI color format that is supported by the terminal emulator (or by specifying `{level: n}` as a Chalk option). For example, Chalk configured to run at level 1 (basic color support) will downsample an RGB value of #FF0000 (red) to 31 (ANSI escape for red).\n\nExamples:\n\n- `chalk.hex('#DEADED').underline('Hello, world!')`\n- `chalk.rgb(15, 100, 204).inverse('Hello!')`\n\nBackground versions of these models are prefixed with `bg` and the first level of the module capitalized (e.g. `hex` for foreground colors and `bgHex` for background colors).\n\n- `chalk.bgHex('#DEADED').underline('Hello, world!')`\n- `chalk.bgRgb(15, 100, 204).inverse('Hello!')`\n\nThe following color models can be used:\n\n- [`rgb`](https://en.wikipedia.org/wiki/RGB_color_model) - Example: `chalk.rgb(255, 136, 0).bold('Orange!')`\n- [`hex`](https://en.wikipedia.org/wiki/Web_colors#Hex_triplet) - Example: `chalk.hex('#FF8800').bold('Orange!')`\n- [`ansi256`](https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit) - Example: `chalk.bgAnsi256(194)('Honeydew, more or less')`\n\n## Browser support\n\nSince Chrome 69, ANSI escape codes are natively supported in the developer console.\n\n## Windows\n\nIf you're on Windows, do yourself a favor and use [Windows Terminal](https://github.com/microsoft/terminal) instead of `cmd.exe`.\n\n## Origin story\n\n[colors.js](https://github.com/Marak/colors.js) used to be the most popular string styling module, but it has serious deficiencies like extending `String.prototype` which causes all kinds of [problems](https://github.com/yeoman/yo/issues/68) and the package is unmaintained. Although there are other packages, they either do too much or not enough. Chalk is a clean and focused alternative.\n\n## chalk for enterprise\n\nAvailable as part of the Tidelift Subscription.\n\nThe maintainers of chalk and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. [Learn more.](https://tidelift.com/subscription/pkg/npm-chalk?utm_source=npm-chalk&utm_medium=referral&utm_campaign=enterprise&utm_term=repo)\n\n## Related\n\n- [chalk-template](https://github.com/chalk/chalk-template) - [Tagged template literals](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals#tagged_templates) support for this module\n- [chalk-cli](https://github.com/chalk/chalk-cli) - CLI for this module\n- [ansi-styles](https://github.com/chalk/ansi-styles) - ANSI escape codes for styling strings in the terminal\n- [supports-color](https://github.com/chalk/supports-color) - Detect whether a terminal supports color\n- [strip-ansi](https://github.com/chalk/strip-ansi) - Strip ANSI escape codes\n- [strip-ansi-stream](https://github.com/chalk/strip-ansi-stream) - Strip ANSI escape codes from a stream\n- [has-ansi](https://github.com/chalk/has-ansi) - Check if a string has ANSI escape codes\n- [ansi-regex](https://github.com/chalk/ansi-regex) - Regular expression for matching ANSI escape codes\n- [wrap-ansi](https://github.com/chalk/wrap-ansi) - Wordwrap a string with ANSI escape codes\n- [slice-ansi](https://github.com/chalk/slice-ansi) - Slice a string with ANSI escape codes\n- [color-convert](https://github.com/qix-/color-convert) - Converts colors between different models\n- [chalk-animation](https://github.com/bokub/chalk-animation) - Animate strings in the terminal\n- [gradient-string](https://github.com/bokub/gradient-string) - Apply color gradients to strings\n- [chalk-pipe](https://github.com/LitoMore/chalk-pipe) - Create chalk style schemes with simpler style strings\n- [terminal-link](https://github.com/sindresorhus/terminal-link) - Create clickable links in the terminal\n\n## Maintainers\n\n- [Sindre Sorhus](https://github.com/sindresorhus)\n- [Josh Junon](https://github.com/qix-)\n","repository":{"type":"git","url":"git+https://github.com/chalk/chalk.git"},"homepage":"https://github.com/chalk/chalk#readme","bugs":{"url":"https://github.com/chalk/chalk/issues"},"license":"MIT","readmeFilename":"readme.md"}