Function walk

src/plot_api/plot_schema.js:594–609

(attr)

// to ensure JSON.stringify(PlotSchema.get()) gives the intended result.
function stringify(attrs) {
    function walk(attr) {
        for(var k in attr) {
            if(isPlainObject(attr[k])) {
                walk(attr[k]);
            } else if(Array.isArray(attr[k])) {
                for(var i = 0; i < attr[k].length; i++) {
                    walk(attr[k][i]);
                }
            } else {
                // as JSON.stringify(/test/) // => {}
                if(attr[k] instanceof RegExp) {
                    attr[k] = attr[k].toString();
                }
            }
        }
    }

    walk(attrs);
}