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Rule proposal: `prefer-array-find`

See original GitHub issue

Prefer .find() over .filter()[0], since find breaks the loop as soon as it finds a match.

Fail

const item = array.filter(x => x === '🦄')[0];

Pass

const item = array.find(x => x === '🦄');

Issue Analytics

State:
Created 3 years ago
Comments:7 (1 by maintainers)

Top GitHub Comments

2reactions

fiskercommented, May 16, 2020

Fail

const item = array.filter(x => x === '🦄').shift();

1reaction

sindresorhuscommented, May 17, 2020

Accepted. PR welcome.

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