// Turns string into a flat list
// -------------------------------------------------------------------------------
// @param $string [string] : string
// @param $find [string] : item to find which separates substrings (default is single space [" "])
// @param $ignore [string] : removes remaining string beyond item (default is comma [","])
// -------------------------------------------------------------------------------
// @return [list] | error

@function string-to-list($string, $find: " ", $ignore: ",") {
	@if is-string($string) {
		$string-list: ();
		$space-indexes: ();
		$ignore-remainder: ();
		$length: str-length($string);
		// Find ignore separator, and remove remainder of string beyond that point
		@for $i from 1 through $length {
			$slice: str-slice($string, $i, $i);
			@if $slice == $ignore {
				$ignore-remainder: append($ignore-remainder, $i - 1, "comma");
			}
		}
		// Redefine string and length
		@if length($ignore-remainder) >= 1 {
			$string: str-slice($string, 1, nth($ignore-remainder, 1));
			$length: str-length($string);
		}
		// Find all spaces and their indices by looking over each character in string
		@for $i from 1 through $length {
			$slice: str-slice($string, $i, $i);
			@if $slice == $find {
				$space-indexes: append($space-indexes, $i, "comma");
			}
		}
		// Check if there are any spaces
		@if length($space-indexes) >= 1 {
			// Keep a count of number of spaces
			$count: 1;
			// Loop through each space
			@each $space in $space-indexes {
				// If is initial count, grab first substring and store in list
				@if $count == 1 {
					$matched-string: str-slice($string, 0, ($space - 1));
					$string-list: append($string-list, $matched-string, "comma");
				// Else, add a little math to make up for the spaces to do the same
				} @else {
					$matched-string: str-slice($string, (nth($space-indexes, ($count - 1)) + 1), ($space - 1));
					$string-list: append($string-list, $matched-string, "comma");
				}
				// Increase count
				$count: $count + 1;
			}
			// Now grab that last selector
			$last-space: nth($space-indexes, length($space-indexes));
			$matched-string: str-slice($string, ($last-space + 1), $length);
			$string-list: append($string-list, $matched-string, "comma");
			// Finally, return comma separated list of selectors
			@return $string-list;
		} @else {
			// Else, just return the string as a single item list
			$string-list: append($string-list, $string);
			@return $string-list;
		}
	} @else {
		@return "You did not input a valid string: #{$string}";
	}
}