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feat(eslint-plugin): restrict-array-filter #302

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zanminkian opened this issue Nov 11, 2024 · 0 comments
Open

feat(eslint-plugin): restrict-array-filter #302

zanminkian opened this issue Nov 11, 2024 · 0 comments
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enhancement New feature or request

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@zanminkian
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zanminkian commented Nov 11, 2024

const arr1: (string|undefined)[] = [];
const arr2 = arr1.filter(i => typeof i === 'string'); // good
const arr3 = arr1.filter(i => typeof i !== undefined); // good
const arr4 = arr1.filter(Boolean); // bad
const arr5 = arr1.filter(i => !!i); // bad

TS 5.5 prefer the arr2 and arr3.

@zanminkian zanminkian added the enhancement New feature or request label Nov 11, 2024
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