no-useless-promise-resolve

Disallow Promise.resolve calls that preserve the same Promise

Promise.resolve returns its argument unchanged when that argument is already a Promise.
Instead, you SHOULD use the existing Promise directly.

- Category: suspicious
- Level: warning
- Fix: automatic
- Scope: module

Reported

import { Promise } from "destack:async";

function retain(value: Promise<int32>): Promise<int32> {
    return Promise.resolve(value);
}
Accepted

import { Promise } from "destack:async";

function retain(value: Promise<int32>): Promise<int32> {
    return value;
}
Prior art

- eslint-plugin-unicorn · no-useless-promise-resolve-reject

language/linter/src/rules/suspicious/nouselesspromiseresolve.rs:8