Function makeNP

src/plot_api/plot_api.js:1320–1333

* Factory function to wrap nestedProperty with GUI edits if necessary * with GUI edits we add an optional prefix to the nestedProperty constructor * to prepend to the attribute string in the preGUI store.

(preGUI, guiEditFlag)

 * to prepend to the attribute string in the preGUI store.
 */
function makeNP(preGUI, guiEditFlag) {
    if (!guiEditFlag) return nestedProperty;

    return function (container, attr, prefix) {
        var np = nestedProperty(container, attr);
        var npSet = np.set;
        np.set = function (val) {
            var fullAttr = (prefix || '') + attr;
            storeCurrent(fullAttr, np.get(), val, preGUI);
            npSet(val);
        };
        return np;
    };
}

function storeCurrent(attr, val, newVal, preGUI) {
    if (Array.isArray(val) || Array.isArray(newVal)) {