/**
 * Group: ES6 shim
 * Target Browsers: `IE11`, `Edge < 14`
 * Array.prototype.includes polyfill
 */ if ( ! Array . prototype . includes ) { Array . prototype . includes = function < T > ( item , fromIndex ? ) : boolean { if ( item !== item ) { return Array . prototype . slice . call ( this , fromIndex ) . some ( ( i ) => i !== i ) ; } return Array . prototype . indexOf . call ( this , item , fromIndex ) !== - 1 ; } ; }