24 lines
766 B
JavaScript
24 lines
766 B
JavaScript
module.exports = function hasValues() {
|
|
return {
|
|
name: 'hasValues',
|
|
process: function(list, property) {
|
|
if (!list || !Array.isArray(list)) return false;
|
|
return list.some(item => readProperty(item, property.split('.'), 0));
|
|
}
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Search deeply into an object via a collection of property segments, starting at the
|
|
* indexed segment.
|
|
*
|
|
* E.g. if `obj = { a: { b: { c: 10 }}}` then
|
|
* `readProperty(obj, ['a', 'b', 'c'], 0)` will return true;
|
|
* but
|
|
* `readProperty(obj, ['a', 'd'], 0)` will return false;
|
|
*/
|
|
function readProperty(obj, propertySegments, index) {
|
|
const value = obj[propertySegments[index]];
|
|
return !!value && (index === propertySegments.length - 1 || readProperty(value, propertySegments, index + 1));
|
|
}
|