object-hierarchy-access/built/pick.js

Get/Set value from/to JS object hierarchy properties

import { getPropNames } from './utility/common';
import { normalizeDescriptor, getMappedNameValue } from './utility/select';
function find(current, result, hierarchies, index) {
    const descriptor = normalizeDescriptor(hierarchies[index]);
    const names = getPropNames(current, descriptor);
    const lastIndex = hierarchies.length - 1;
    names.forEach(name => {
        if (name in current) {
            const { mappedValue } = getMappedNameValue(current, name, descriptor);
            if (index < lastIndex) {
                find(mappedValue, result, hierarchies, index + 1);
            }
            else {
                result.push(mappedValue);
            }
        }
    });
}
function pick(target, ...hierarchyProps) {
    const result = [];
    const current = target;
    if (current !== undefined && current !== null) {
        find(current, result, hierarchyProps, 0);
    }
    return result;
}
export { pick };