mirror of https://github.com/hashicorp/consul
82 lines
2.9 KiB
JavaScript
82 lines
2.9 KiB
JavaScript
import ObjectProxy from '@ember/object/proxy';
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import ArrayProxy from '@ember/array/proxy';
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import { Promise } from 'rsvp';
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import createListeners from 'consul-ui/utils/dom/create-listeners';
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import EventTarget from 'consul-ui/utils/dom/event-target/rsvp';
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import cacheFactory from 'consul-ui/utils/dom/event-source/cache';
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import proxyFactory from 'consul-ui/utils/dom/event-source/proxy';
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import firstResolverFactory from 'consul-ui/utils/dom/event-source/resolver';
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import CallableEventSourceFactory from 'consul-ui/utils/dom/event-source/callable';
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import ReopenableEventSourceFactory from 'consul-ui/utils/dom/event-source/reopenable';
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import BlockingEventSourceFactory from 'consul-ui/utils/dom/event-source/blocking';
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import StorageEventSourceFactory from 'consul-ui/utils/dom/event-source/storage';
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// All The EventSource-i
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export const CallableEventSource = CallableEventSourceFactory(EventTarget, Promise);
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export const ReopenableEventSource = ReopenableEventSourceFactory(CallableEventSource);
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export const BlockingEventSource = BlockingEventSourceFactory(ReopenableEventSource);
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export const StorageEventSource = StorageEventSourceFactory(EventTarget, Promise);
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// various utils
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export const proxy = proxyFactory(ObjectProxy, ArrayProxy, createListeners);
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export const resolve = firstResolverFactory(Promise);
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export const source = function(source) {
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// create API needed for conventional promise blocked, loading, Routes
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// i.e. resolve/reject on first response
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return resolve(source, createListeners()).then(function(data) {
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// create API needed for conventional DD/computed and Controllers
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return proxy(source, data);
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});
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};
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export const cache = cacheFactory(source, BlockingEventSource, Promise);
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const errorEvent = function(e) {
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return new ErrorEvent('error', {
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error: e,
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message: e.message,
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});
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};
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export const fromPromise = function(promise) {
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return new CallableEventSource(function(configuration) {
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const dispatch = this.dispatchEvent.bind(this);
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const close = () => {
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this.close();
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};
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return promise
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.then(function(result) {
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close();
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dispatch({ type: 'message', data: result });
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})
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.catch(function(e) {
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close();
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dispatch(errorEvent(e));
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});
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});
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};
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export const toPromise = function(target, cb, eventName = 'message', errorName = 'error') {
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return new Promise(function(resolve, reject) {
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// TODO: e.target.data
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const message = function(e) {
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resolve(e.data);
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};
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const error = function(e) {
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reject(e.error);
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};
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const remove = function() {
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if (typeof target.close === 'function') {
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target.close();
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}
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target.removeEventListener(eventName, message);
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target.removeEventListener(errorName, error);
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};
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target.addEventListener(eventName, message);
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target.addEventListener(errorName, error);
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cb(remove);
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});
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};
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