GitHub 6248★

Convert 3 digits color to 6 digits color

JavaScript version

const toFullHexColor = (color) =>
`#${(color.startsWith('#') ? color.slice(1) : color)
.split('')
.map((c) => `${c}${c}`)
.join('')}
`
;

TypeScript version

const toFullHexColor = (color: string): string =>
`#${(color.startsWith('#') ? color.slice(1) : color)
.split('')
.map((c) => `${c}${c}`)
.join('')}
`
;

Examples

toFullHexColor('123'); // '#112233'
toFullHexColor('#123'); // '#112233'
toFullHexColor('#abc'); // '#aabbcc'
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