villa/bld/edge/awaitable.js

Promise utilities for async/await-ready environment.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/** @internal */
exports.awaitableCreators = [];
/**
 * Create a promise for an object.
 * @param emitter The emitter to listen on 'error' event for rejection, and
 *     given event types for fulfillment.
 * @param type A string or an array of string of event types for fulfillment.
 * @param errorEmitters Other emitters to listen on 'error' event for
 *     rejection.
 */
function awaitable(target, ...args) {
    for (let creator of exports.awaitableCreators) {
        let promise = creator(target, ...args);
        if (promise) {
            return promise;
        }
    }
    throw new TypeError('Cannot create awaitable from the target object with given arguments');
}
exports.awaitable = awaitable;
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