@wordpress/components
Version:
UI components for WordPress.
48 lines (41 loc) • 1.3 kB
JavaScript
/* eslint-disable jsdoc/valid-types */
/**
* Determines if a value is null or undefined.
*
* @template T
*
* @param {T | null | undefined} value The value to check.
* @return {value is T} Whether value is not null or undefined.
*/
export function isValueDefined(value) {
return value !== undefined && value !== null;
}
/* eslint-enable jsdoc/valid-types */
/* eslint-disable jsdoc/valid-types */
/**
* Determines if a value is empty, null, or undefined.
*
* @template T
*
* @param {T | "" | null | undefined} value The value to check.
* @return {value is T} Whether value is empty.
*/
export function isValueEmpty(value) {
const isEmptyString = value === '';
return !isValueDefined(value) || isEmptyString;
}
/* eslint-enable jsdoc/valid-types */
/**
* Get the first defined/non-null value from an array.
*
* @template T
*
* @param {Array<T | null | undefined>} values Values to derive from.
* @param {T} fallbackValue Fallback value if there are no defined values.
* @return {T} A defined value or the fallback value.
*/
export function getDefinedValue(values = [], fallbackValue) {
var _values$find;
return (_values$find = values.find(isValueDefined)) !== null && _values$find !== void 0 ? _values$find : fallbackValue;
}
//# sourceMappingURL=values.js.map