Santi Dalmasso santidalmasso
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| type RunLengthEncodedString = [string, number][]; | |
| // given a string, return each repeating character and it's run count, for example: | |
| // "aaaabbbbccc" => [["a", 4], ["b", 3], ["c", 3]] | |
| // | |
| // see https://en.wikipedia.org/wiki/Run-length_encoding | |
| export function rle(plain: String): RunLengthEncodedString { | |
| if (plain.length === 0) return []; | |
| const encodedString: RunLengthEncodedString = []; | |
| let currentChar: string = plain[0]; |