manual-find

Prefer find over a loop returning the first matching element

A loop that returns its first match and otherwise returns undefined implements find manually.
Instead, you SHOULD return the result of find directly.

- Category: style
- Level: warning
- Fix: suggestion
- Scope: module

Reported

function firstPositive(values: int32[]): int32 | undefined {
    for (const value of values) {
        if (value > 0) {
            return value;
        }
    }
    return undefined;
}
Accepted

function firstPositive(values: int32[]): int32 | undefined {
    return values.find((value) => value > 0);
}
Prior art

- Clippy · manualfind

language/linter/src/rules/style/manualfind.rs:8