Function splitQueries

src/cdk/layout/breakpoints-observer.ts:138–143

* Split each query string into separate query strings if two queries are provided as comma * separated.

(queries: readonly string[])

 * separated.
 */
function splitQueries(queries: readonly string[]): readonly string[] {
  return queries
    .map(query => query.split(','))
    .reduce((a1, a2) => a1.concat(a2))
    .map(query => query.trim());
}