async-injection/lib/esm/state.js

A robust lightweight dependency injection library for TypeScript.

import { isPromise } from './utils.js';
/**
 * Internal class that allows us to track the state of a promise (chain).
 */
export class State {
    static MakeState(promise, rejected, fulfilled) {
        const retVal = new State();
        if (isPromise(promise)) {
            retVal._pending = true;
            retVal._promise = promise.then((v) => {
                retVal._fulfilled = v;
                retVal._pending = false;
                return v;
            }, (e) => {
                retVal._rejected = e;
                retVal._pending = false;
                throw e;
            });
        }
        else {
            retVal._pending = false;
            if (rejected) {
                retVal._rejected = rejected;
            }
            else {
                retVal._fulfilled = fulfilled;
            }
            retVal._promise = null;
        }
        return retVal;
    }
    constructor() {
    }
    get promise() {
        return this._promise;
    }
    get pending() {
        return this._pending;
    }
    get fulfilled() {
        return this._fulfilled;
    }
    get rejected() {
        return this._rejected;
    }
}
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