| 1 | // Supports determination of isControlled().
|
| 2 | // Controlled input accepts its current value as a prop.
|
| 3 | //
|
| 4 | // @see https://facebook.github.io/react/docs/forms.html#controlled-components
|
| 5 | // @param value
|
| 6 | // @returns {boolean} true if string (including '') or number (including zero)
|
| 7 | export function hasValue(value) {
|
| 8 | return value != null && !(Array.isArray(value) && value.length === 0);
|
| 9 | } // Determine if field is empty or filled.
|
| 10 | // Response determines if label is presented above field or as placeholder.
|
| 11 | //
|
| 12 | // @param obj
|
| 13 | // @param SSR
|
| 14 | // @returns {boolean} False when not present or empty string.
|
| 15 | // True when any number or string with length.
|
| 16 |
|
| 17 | export function isFilled(obj, SSR = false) {
|
| 18 | return obj && (hasValue(obj.value) && obj.value !== '' || SSR && hasValue(obj.defaultValue) && obj.defaultValue !== '');
|
| 19 | } // Determine if an Input is adorned on start.
|
| 20 | // It's corresponding to the left with LTR.
|
| 21 | //
|
| 22 | // @param obj
|
| 23 | // @returns {boolean} False when no adornments.
|
| 24 | // True when adorned at the start.
|
| 25 |
|
| 26 | export function isAdornedStart(obj) {
|
| 27 | return obj.startAdornment;
|
| 28 | } |
| \ | No newline at end of file |