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ran npm run tester generate js test files and refactored permuteAll

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King
2018-02-12 19:22:11 -05:00
parent c435f64868
commit 96c37eea5a
2 changed files with 16 additions and 20 deletions
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20
snippets/permuteAll.md
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@ -7,20 +7,18 @@ const permuteAll = (input) => {
const result = [];
let inputState = input;
if (typeof input === 'string') inputState = input.split('')
if (typeof input === 'string') inputState = input.split('');
if (typeof input === 'number') inputState = (input).toString().split('');
const permute = (arr, m = []) => {
if (arr.length === 0) {
result.push(m)
} else {
for (let i = 0; i < arr.length; i++) {
let curr = arr.slice();
let next = curr.splice(i, 1);
permute(curr.slice(), m.concat(next))
}
}
}
(arr.length === 0)
? result.push(m)
: arr.forEach((_, i) => {
let curr = arr.slice();
let next = curr.splice(i, 1);
permute(curr.slice(), m.concat(next));
});
};
permute(inputState);