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30secondsofcode
2018-01-13 15:26:47 +00:00
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README.md
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@ -246,6 +246,7 @@ average(1, 2, 3);
<details>
<summary>View contents</summary>
* [`colorize`](#colorize)
* [`hasFlags`](#hasflags)
* [`isTravisCI`](#istravisci)
* [`JSONToFile`](#jsontofile)
@ -3731,6 +3732,48 @@ toSafeInteger(Infinity); // 9007199254740991
---
## 📦 Node
### colorize
Add special characters to text to print in color in the console (combined with `console.log()`).
Use template literals and special characters to add the appropriate color code to the string output.
For background colors, add a special character that resets the background color at the end of the string.
```js
const colorize = (...args) => ({
black: `\x1b[30m${args.join(' ')}`,
red: `\x1b[31m${args.join(' ')}`,
green: `\x1b[32m${args.join(' ')}`,
yellow: `\x1b[33m${args.join(' ')}`,
blue: `\x1b[34m${args.join(' ')}`,
magenta: `\x1b[35m${args.join(' ')}`,
cyan: `\x1b[36m${args.join(' ')}`,
white: `\x1b[37m${args.join(' ')}`,
bgBlack: `\x1b[40m${args.join(' ')}\x1b[0m`,
bgRed: `\x1b[41m${args.join(' ')}\x1b[0m`,
bgGreen: `\x1b[42m${args.join(' ')}\x1b[0m`,
bgYellow: `\x1b[43m${args.join(' ')}\x1b[0m`,
bgBlue: `\x1b[44m${args.join(' ')}\x1b[0m`,
bgMagenta: `\x1b[45m${args.join(' ')}\x1b[0m`,
bgCyan: `\x1b[46m${args.join(' ')}\x1b[0m`,
bgWhite: `\x1b[47m${args.join(' ')}\x1b[0m`
});
```
<details>
<summary>Examples</summary>
```js
console.log(colorize('foo').red); // 'foo' (red letters)
console.log(colorize('foo', 'bar').bgBlue); // 'foo bar' (blue background)
console.log(colorize(colorize('foo').yellow, colorize('foo').green).bgWhite); // 'foo bar' (first word in yellow letters, second word in green letters, white background for both)
```
</details>
<br>[⬆ Back to top](#table-of-contents)
### hasFlags
Check if the current process's arguments contain the specified flags.

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snippets/colorize.md
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@ -6,8 +6,7 @@ Use template literals and special characters to add the appropriate color code t
For background colors, add a special character that resets the background color at the end of the string.
```js
const colorize = (...args) => (
{
const colorize = (...args) => ({
black: `\x1b[30m${args.join(' ')}`,
red: `\x1b[31m${args.join(' ')}`,
green: `\x1b[32m${args.join(' ')}`,
@ -16,20 +15,19 @@ const colorize = (...args) => (
magenta: `\x1b[35m${args.join(' ')}`,
cyan: `\x1b[36m${args.join(' ')}`,
white: `\x1b[37m${args.join(' ')}`,
bgBlack : `\x1b[40m${args.join(' ')}\x1b[0m`,
bgRed : `\x1b[41m${args.join(' ')}\x1b[0m`,
bgGreen : `\x1b[42m${args.join(' ')}\x1b[0m`,
bgYellow : `\x1b[43m${args.join(' ')}\x1b[0m`,
bgBlue : `\x1b[44m${args.join(' ')}\x1b[0m`,
bgMagenta : `\x1b[45m${args.join(' ')}\x1b[0m`,
bgCyan : `\x1b[46m${args.join(' ')}\x1b[0m`,
bgWhite : `\x1b[47m${args.join(' ')}\x1b[0m`
}
)
bgBlack: `\x1b[40m${args.join(' ')}\x1b[0m`,
bgRed: `\x1b[41m${args.join(' ')}\x1b[0m`,
bgGreen: `\x1b[42m${args.join(' ')}\x1b[0m`,
bgYellow: `\x1b[43m${args.join(' ')}\x1b[0m`,
bgBlue: `\x1b[44m${args.join(' ')}\x1b[0m`,
bgMagenta: `\x1b[45m${args.join(' ')}\x1b[0m`,
bgCyan: `\x1b[46m${args.join(' ')}\x1b[0m`,
bgWhite: `\x1b[47m${args.join(' ')}\x1b[0m`
});
```
```js
console.log(colorize('foo').red); // 'foo' (red letters)
console.log(colorize('foo','bar').bgBlue); // 'foo bar' (blue background)
console.log(colorize('foo', 'bar').bgBlue); // 'foo bar' (blue background)
console.log(colorize(colorize('foo').yellow, colorize('foo').green).bgWhite); // 'foo bar' (first word in yellow letters, second word in green letters, white background for both)
```