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Lavrend/uniq-chars.js

Created May 16, 2019 20:54
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  1. Lavrend created this gist May 16, 2019.
    23 changes: 23 additions & 0 deletions uniq-chars.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,23 @@
    const arrSame = ['va5ya', '5avya', '5ayva'];
    const arrDiff = ['cat', 'act', 'car'];

    const isUniqChars = (arr) => {

    const sortFn = (a, b) => {
    if (a > b) return 1;
    if (b > a) return -1;

    return 0;
    };

    const getUniqVal = (value, index, self) => {
    return self.indexOf(value) === index;
    };

    const sorted = arr.map(item => item.split('').sort(sortFn).join(''));

    return (sorted.filter(getUniqVal)).length <= 1;
    };

    console.log(isUniqChars(arrSame)); // true
    console.log(isUniqChars(arrDiff)); // false