@snipsonian/core/es/decorate/decorators/addProp.js

Core/base reusable javascript code snippets

import assert from '../../assert';
import isSet from '../../is/isSet';
import isArray from '../../is/isArray';
export default function addProp(propName, propValue, { addIfValueUnset = true } = {}) {
    return function decorate(target) {
        assert(propName, isSet, 'Required input argument \'propName\' is missing.');
        if (isArray(target)) {
            return target.map((entity) => enrichWithProp({
                target: entity,
                propName,
                propValue,
                options: { addIfValueUnset },
            }));
        }
        return enrichWithProp({
            target,
            propName,
            propValue,
            options: { addIfValueUnset },
        });
    };
}
function enrichWithProp({ target, propName, propValue, options = {}, }) {
    if (options.addIfValueUnset || isSet(propValue)) {
        target[propName] = propValue;
    }
    return target;
}