Use es6 destructuring swap for shuffling
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1 changed files with 7 additions and 10 deletions
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@ -139,17 +139,14 @@ export const maybeAppendActionErrors = (message, notification) => {
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};
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};
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export const shuffle = (arr) => {
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export const shuffle = (arr) => {
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let j;
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const returnArr = [...arr];
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let x;
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for (let index = arr.length - 1; index > 0; index -= 1) {
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for (let index = returnArr.length - 1; index > 0; index -= 1) {
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j = Math.floor(Math.random() * (index + 1));
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const j = Math.floor(Math.random() * (index + 1));
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x = arr[index];
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[returnArr[index], returnArr[j]] = [returnArr[j], returnArr[index]];
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// eslint-disable-next-line no-param-reassign
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arr[index] = arr[j];
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// eslint-disable-next-line no-param-reassign
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arr[j] = x;
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}
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}
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return arr;
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return returnArr;
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};
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};
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export const splitNoEmpty = (s, delimiter) =>
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export const splitNoEmpty = (s, delimiter) =>
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