typescript/prefer-find Nursery
What it does
Prefer .find(...) over .filter(...)[0] for retrieving a single element.
Why is this bad?
.filter(...)[0] builds an intermediate array and is less clear about intent. .find(...) directly expresses that only the first matching element is needed.
Examples
Examples of incorrect code for this rule:
ts
const first = list.filter((item) => item.active)[0];Examples of correct code for this rule:
ts
const first = list.find((item) => item.active);How to use
To enable this rule using the config file or in the CLI, you can use:
json
{
"rules": {
"typescript/prefer-find": "error"
}
}bash
oxlint --type-aware --deny typescript/prefer-find