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feat(NumberKeyboard): improve shuffle algorithm (#10428)

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neverland 2022-03-23 22:09:48 +08:00 committed by GitHub
parent 12a0f9a24c
commit 651305e8ce
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1 changed files with 11 additions and 1 deletions
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packages/vant/src/number-keyboard/NumberKeyboard.tsx
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@ -65,6 +65,16 @@ const numberKeyboardProps = {
export type NumberKeyboardProps = ExtractPropTypes<typeof numberKeyboardProps>; export type NumberKeyboardProps = ExtractPropTypes<typeof numberKeyboardProps>;
function shuffle(array: unknown[]) {
for (let i = array.length - 1; i > 0; i--) {
const j = Math.floor(Math.random() * (i + 1));
const temp = array[i];
array[i] = array[j];
array[j] = temp;
}
return array;
}
export default defineComponent({ export default defineComponent({
name, name,
@ -89,7 +99,7 @@ export default defineComponent({
.map((_, i) => ({ text: i + 1 })); .map((_, i) => ({ text: i + 1 }));
if (props.randomKeyOrder) { if (props.randomKeyOrder) {
keys.sort(() => (Math.random() > 0.5 ? 1 : -1)); shuffle(keys);
} }
return keys; return keys;