Splits a string by its grapheme cluster breaks.
input string
array of grapheme clusters
var out = splitGraphemeClusters( 'café' ); // returns [ 'c', 'a', 'f', 'é' ]
var out = splitGraphemeClusters( '🍕🍕🍕' ); // returns [ '🍕', '🍕', '🍕' ]
Splits a string by its grapheme cluster breaks.