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validate-css-value.js (742B)

      1 function kirkiValidateCSSValue( value ) {
      2 
      3 	var validUnits = ['rem', 'em', 'ex', '%', 'px', 'cm', 'mm', 'in', 'pt', 'pc', 'ch', 'vh', 'vw', 'vmin', 'vmax'],
      4 	    numericValue,
      5 	    unit;
      6 
      7 	// 0 is always a valid value
      8 	if ( '0' === value ) {
      9 		return true;
     10 	}
     11 
     12 	// If we're using calc() just return true.
     13 	if ( 0 <= value.indexOf( 'calc(' ) && 0 <= value.indexOf( ')' ) ) {
     14 		return true;
     15 	}
     16 
     17 	// Get the numeric value.
     18 	numericValue = parseFloat( value );
     19 
     20 	// Get the unit
     21 	unit = value.replace( numericValue, '' );
     22 
     23 	// Check the validity of the numeric value.
     24 	if ( isNaN( numericValue ) ) {
     25 		return false;
     26 	}
     27 
     28 	// Check the validity of the units.
     29 	if ( -1 === jQuery.inArray( unit, validUnits ) ) {
     30 		return false;
     31 	}
     32 
     33 	return true;
     34 
     35 }