fostyfost

	interface IPropertyDescriptorStack {
		/**
		 * set the property descriptor of the member prop on the target object
		 * Fails silently, returning false
		 * @param props 
		 */
		push(props: Partial<PropertyDescriptor>): boolean;
		/**
		 * reset the property descriptor of the member prop on the target object, either to
		 * the state it was before the last set, or to the initial state, resetting the state stack.

fostyfost

Get all the styles as a string from a given document. useful for creating a PNG from an SVG. SVG's need to have all of their style information embedded within their document to be properly exported.

Example usage:

var styles = getStyles(window.document);

Try it by going to [http://bl.ocks.org/vicapow/raw/9904319/](this block) and running the above usage example in the console.

fostyfost

function isObject(item) {
  return (item && typeof item === 'object' && !Array.isArray(item));
}

function mergeDeep(target, ...sources) {
  if (!sources.length) return target;
  const source = sources.shift();

  if (isObject(target) && isObject(source)) {
    for (const key in source) {