diff options
Diffstat (limited to 'app/assets/javascripts/lib/utils/color_utils.js')
| -rw-r--r-- | app/assets/javascripts/lib/utils/color_utils.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/app/assets/javascripts/lib/utils/color_utils.js b/app/assets/javascripts/lib/utils/color_utils.js index da2c10076b1..66d52051905 100644 --- a/app/assets/javascripts/lib/utils/color_utils.js +++ b/app/assets/javascripts/lib/utils/color_utils.js @@ -1,3 +1,22 @@ +const colorValidatorEl = document.createElement('div'); + +/** + * Validates whether the specified color expression + * is supported by the browser’s DOM API and has a valid form. + * + * This utility assigns the color expression to a detached DOM + * element’s color property. If the color expression is valid, + * the DOM API will accept the value. + * + * @param {String} color color expression rgba, hex, hsla, etc. + */ +export const isValidColorExpression = (colorExpression) => { + colorValidatorEl.style.color = ''; + colorValidatorEl.style.color = colorExpression; + + return colorValidatorEl.style.color.length > 0; +}; + /** * Convert hex color to rgb array * |