web-highlighter/src/util/deferred.ts

✨A no-runtime dependency lib for text highlighting & persistence on any website ✨🖍️

interface Deferred<T> {
    promise: Promise<T>;
    resolve: (args: T) => unknown;
    reject: (e?: unknown) => unknown;
}

export default function getDeferred<T>(): Deferred<T> {
    let resolve: (args: T) => unknown;
    let reject: (e?: unknown) => unknown;

    const promise = new Promise<T>((r, j) => {
        resolve = r;
        reject = j;
    });

    return {
        promise,
        resolve,
        reject,
    };
}

export const resolve = <T>(data) => {
    const defer = getDeferred<T>();

    defer.resolve(data);

    return defer.promise;
};

export const reject = <T>(data) => {
    const defer = getDeferred<T>();

    defer.reject(data);

    return defer.promise;
};