Function omitPrefixedKeys

packages/styletron-react/src/index.tsx:570–580

(source)

}

function omitPrefixedKeys(source) {
  const result = {};

  for (const key in source) {
    if (key[0] !== "$") {
      result[key] = source[key];
    }
  }

  return result;
}

function deepMerge(a, b) {
  const result = assign({}, a);