mirror of
https://github.com/matrix-construct/construct
synced 2024-10-31 10:58:54 +01:00
390 lines
8.5 KiB
JavaScript
390 lines
8.5 KiB
JavaScript
/*
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* IRCd Charybdis 5/Matrix
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*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 Jason Volk (jason@zemos.net)
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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'use strict';
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/**************************************
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*
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* Client's Angular application
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*
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*/
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mc.ng = {};
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mc.opts.ng =
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{
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resource_url_whitelist:
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[
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/* Allow same origin resource loads. */
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"self",
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/* Allow loading from our assets domain. Notice the difference between * and **. */
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"https://*.youtube.com/**"
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/**/
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],
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resource_url_blacklist:
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[
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],
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// tell angular to allow mxc:// URL's for images
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img_src_sanitation_whitelist: /^\s*(https?|ftp|file|mxc):/,
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};
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mc.ng.app = angular.module('ircd',
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[
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// 'ngAnimate',
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]);
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mc.ng.app.config(['$rootScopeProvider', function($rootScopeProvider)
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{
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$rootScopeProvider.digestTtl(16);
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}]);
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mc.ng.app.config(['$compileProvider', function($compileProvider)
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{
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$compileProvider.imgSrcSanitizationWhitelist(mc.opts.ng.img_src_sanitation_whitelist);
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}]);
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mc.ng.app.config(['$sceDelegateProvider', function($sceDelegateProvider)
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{
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$sceDelegateProvider.resourceUrlWhitelist(mc.opts.ng.resource_url_whitelist);
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$sceDelegateProvider.resourceUrlBlacklist(mc.opts.ng.resource_url_blacklist);
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}]);
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/**
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* Things in here can't take place at the global init; they take place after
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* the document/main is ready.
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*/
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mc.ng.init = function()
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{
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let root = mc.ng.root();
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root.$watch(() =>
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{
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mc.instance.digests++;
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return null;
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});
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};
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/**
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* @returns the formal root scope of the app
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*/
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mc.ng.root = function()
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{
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let body = angular.element(document.body);
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let root = body.scope().$root;
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return root;
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};
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/**
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* @returns the mc scope which is our root scope for the app. This is directly under
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* the real root, and all our client scopes are children of the mc scope. Other children
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* of the real root may exist but are only indirectly related.
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*/
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mc.ng.mc = function()
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{
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let charybdis = angular.element("#charybdis");
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return charybdis.scope();
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};
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/**
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* Trigger Angular manually
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*/
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mc.ng.apply = function(closure = undefined)
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{
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let root = mc.ng.root();
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if(root.$$phase == "$apply")
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{
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console.warn("Unnecessary mc.ng.apply(); " + (new Error));
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return;
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}
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return root.$apply(closure);
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};
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// Alias
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mc.apply = mc.ng.apply;
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/**
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* Trigger Angular manually
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*/
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mc.ng.apply.later = function(closure = () => {})
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{
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let root = mc.ng.root();
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root.$applyAsync(closure);
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};
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/**
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* Trigger Angular manually
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*/
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mc.ng.apply.animate = function(callback)
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{
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let handler = () =>
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{
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if(callback() !== false)
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mc.ng.apply.later();
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};
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return window.requestAnimationFrame(handler);
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};
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/**
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* Trigger Angular manually
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*/
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mc.ng.apply.idle = function(timeout, callback)
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{
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if(typeof(timeout) == "function")
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{
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callback = timeout;
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timeout = undefined;
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}
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let handler = (...params) =>
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{
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if(callback(...params) !== false)
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mc.ng.apply.later();
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};
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let opts =
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{
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timeout: timeout,
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};
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return window.requestIdleCallback(handler, opts);
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};
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/**
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* Trigger Angular manually
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*/
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mc.ng.apply.defer = function()
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{
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let root = mc.ng.root();
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let watchers = root.$$watchers;
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root.$$watchers = [];
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root.$applyAsync(() =>
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{
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root.$$watchers = watchers;
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});
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};
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/**
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* Use mc.ng.timeout instead of window.setTimeout(), as the latter
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* issues an event which is unknown to Angular.
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*/
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mc.ng.timeout = function(timeout, closure)
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{
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if(typeof(timeout) == "function")
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{
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closure = timeout;
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timeout = undefined;
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}
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//TODO: XXX: arbitrary
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let $timeout = mc.ng.timeout.$timeout;
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return $timeout(closure, timeout);
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};
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// Alias
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mc.timeout = mc.ng.timeout;
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/**
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* Use mc.ng.timeout instead of window.setTimeout(), as the latter
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* issues an event which is unknown to Angular.
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*/
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mc.ng.timeout.cancel = function(promise)
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{
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//TODO: XXX: arbitrary
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let $timeout = mc.ng.timeout.$timeout;
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$timeout.cancel(promise);
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};
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/**
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* Non-angular event so we send a notify to handle the resize changing things
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* that need to trigger that model<->view dialectic.
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*/
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/*
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window.addEventListener("resize", (event) =>
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{
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maybe(() => mc.ng.apply());
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});
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*/
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/** Abstract Controller
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*
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* Should be on the prototype chain of all of the controllers in client.
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* This allows us to DRY things across all controllers as well as provide
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* a suite of virtual convenience functions.
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*
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* Overrides can be async. This abstraction provides a digest for that at
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* the base of this virtual call stack. Note: overrides for digesting() will
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* never be waited on.
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*/
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mc.ng.controller = class
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{
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constructor(name, $scope)
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{
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// DEBUG
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//let argc = arguments.length;
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//console.log("init controller [" + name + "] " + typeof($scope));
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this.$scope = $scope;
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this.$apply = $scope.$apply;
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// Register dtors
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this.$scope.$on("$destroy", mc.ng.controller.virtual.bind(this, this.destructor));
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// NOTE: $applyAsync MUST be used here rather than $evalAsync.
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// $evalAsync from a directive runs after DOM update.
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// $evalAsync from a controller runs before the DOM has been manipulated. <---
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this.$scope.$applyAsync(mc.ng.controller.virtual.bind(this, this.constructed));
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// Register digest loop
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this.$scope.$watch(this.digesting.bind(this));
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// DEBUG
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//this.$scope.$watch(() => debug.digest(name, $scope));
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}
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/**
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* Override to get called when the controller gets $destroy'ed
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*/
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destructor() {}
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/**
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* Override to get called after the DOM element has been inserted.
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* This will be on the next digest cycle after construction.
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*/
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constructed() {}
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/**
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* Ovrride convenience to execute code during a digest
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*/
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digesting() {}
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};
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/**
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*
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*/
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mc.ng.controller.virtual = async function(override)
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{
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let ret = override.call(this);
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if(ret instanceof Promise)
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{
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ret = await ret;
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this.$scope.$apply();
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}
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return ret;
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};
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/** Async Angular directives.
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*
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* These ang- prefixed directives are identical to the ng- directives except they
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* add support for ES6 async usage up the stack. This allows the evaluation of a
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* directive to digest after a promise it returns is fulfilled.
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*
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* Regular ng- directives run the digest loop when the evaluation returns -- even if
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* it returns a promise, which happens on the first await up the stack. We need it to
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* happen after the code on the other side of the await too.
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*/
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mc.ng.ang = function(directive_name, event_name, opts = {})
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{
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mc.ng.app.directive(directive_name, function()
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{
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return {
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restrict: 'A',
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link: mc.ng.ang.link.bind(null, directive_name, event_name, opts),
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};
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});
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};
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mc.ng.ang.link = function(name, on, opts, $scope, element, attr, controller)
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{
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let expression = attr[name];
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element.on(on, async function($event)
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{
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let locals =
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{
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$event: $event,
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};
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let onerror = (error) =>
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{
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if(!error.element)
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error.element = $event.delegateTarget;
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mc.unhandled(error);
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};
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let promise; try
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{
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promise = $scope.$eval(expression, locals);
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}
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catch(error)
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{
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onerror(error);
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}
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if(promise instanceof Promise) try
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{
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await promise;
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}
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catch(error)
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{
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onerror(error);
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}
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finally
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{
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if(opts.apply_async !== false)
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$scope.$apply();
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}
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else
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{
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if(opts.apply_sync !== false)
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$scope.$apply();
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}
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});
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};
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mc.ng.ang.directives =
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[
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mc.ng.ang("angClick", "click"),
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mc.ng.ang("angDblclick", "dblclick"),
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mc.ng.ang("angMouseup", "mouseup"),
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mc.ng.ang("angMousedown", "mousedown"),
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// The scroll event is optioned to not digest unless the handler returns a
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// promise. Note that this means a scroll event handler should not be an
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// `async function()` if it has efficient return cases (and it should).
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mc.ng.ang("angScroll", "scroll",
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{
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apply_sync: false,
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}),
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];
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/**
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* ng-repeat="foo in bar | reverse"
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*/
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mc.ng.app.filter('reverse', () => (items) => items.slice().reverse());
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