@opra/common/helpers/function-utils.js

Opra common package

import { isConstructor } from '@jsopen/objects';
import promisify from 'putil-promisify';
export async function resolveThunk(thunk) {
    thunk = promisify.isPromise(thunk) ? await thunk : thunk;
    if (typeof thunk === 'function') {
        if (isConstructor(thunk))
            return thunk;
        return await thunk();
    }
    return thunk;
}