sindresorhus/eslint-plugin-unicorn
Rule proposal: Require passive event listener
Closed
#985 opened on Jan 1, 2021
help wantednew rule
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Description
Require using passive event listener when not using event.preventDefault().
This rule can be auto-fixed as long as event.preventDefault() is not called and the event parameter is not passed anywhere.
Fail
window.addEventListener('wheel', () => {/* … */});
Pass
window.addEventListener('wheel', () => {/* … */}, {passive: true});
foo.addEventListener('click', event => {
event.preventDefault();
});