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authorBrian Picciano <mediocregopher@gmail.com>2021-01-21 17:22:53 -0700
committerBrian Picciano <mediocregopher@gmail.com>2021-01-21 17:22:53 -0700
commitbcf9b230be6d74c71567fd0771b31d47d8dd39c7 (patch)
tree2d0fc16142d55bbd5876ac6b8174c2857883b40e /assets/viz/2/goog/events/browserfeature.js
parentd57fd70640948cf20eeb41b56e8d4e23e616cec0 (diff)
build the blog with nix
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-rw-r--r--assets/viz/2/goog/events/browserfeature.js122
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diff --git a/assets/viz/2/goog/events/browserfeature.js b/assets/viz/2/goog/events/browserfeature.js
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--- a/assets/viz/2/goog/events/browserfeature.js
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@@ -1,122 +0,0 @@
-// Copyright 2010 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Browser capability checks for the events package.
- *
- */
-
-
-goog.provide('goog.events.BrowserFeature');
-
-goog.require('goog.userAgent');
-goog.scope(function() {
-
-
-
-/**
- * Enum of browser capabilities.
- * @enum {boolean}
- */
-goog.events.BrowserFeature = {
- /**
- * Whether the button attribute of the event is W3C compliant. False in
- * Internet Explorer prior to version 9; document-version dependent.
- */
- HAS_W3C_BUTTON:
- !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9),
-
- /**
- * Whether the browser supports full W3C event model.
- */
- HAS_W3C_EVENT_SUPPORT:
- !goog.userAgent.IE || goog.userAgent.isDocumentModeOrHigher(9),
-
- /**
- * To prevent default in IE7-8 for certain keydown events we need set the
- * keyCode to -1.
- */
- SET_KEY_CODE_TO_PREVENT_DEFAULT:
- goog.userAgent.IE && !goog.userAgent.isVersionOrHigher('9'),
-
- /**
- * Whether the {@code navigator.onLine} property is supported.
- */
- HAS_NAVIGATOR_ONLINE_PROPERTY:
- !goog.userAgent.WEBKIT || goog.userAgent.isVersionOrHigher('528'),
-
- /**
- * Whether HTML5 network online/offline events are supported.
- */
- HAS_HTML5_NETWORK_EVENT_SUPPORT:
- goog.userAgent.GECKO && goog.userAgent.isVersionOrHigher('1.9b') ||
- goog.userAgent.IE && goog.userAgent.isVersionOrHigher('8') ||
- goog.userAgent.OPERA && goog.userAgent.isVersionOrHigher('9.5') ||
- goog.userAgent.WEBKIT && goog.userAgent.isVersionOrHigher('528'),
-
- /**
- * Whether HTML5 network events fire on document.body, or otherwise the
- * window.
- */
- HTML5_NETWORK_EVENTS_FIRE_ON_BODY:
- goog.userAgent.GECKO && !goog.userAgent.isVersionOrHigher('8') ||
- goog.userAgent.IE && !goog.userAgent.isVersionOrHigher('9'),
-
- /**
- * Whether touch is enabled in the browser.
- */
- TOUCH_ENABLED:
- ('ontouchstart' in goog.global ||
- !!(goog.global['document'] && document.documentElement &&
- 'ontouchstart' in document.documentElement) ||
- // IE10 uses non-standard touch events, so it has a different check.
- !!(goog.global['navigator'] &&
- goog.global['navigator']['msMaxTouchPoints'])),
-
- /**
- * Whether addEventListener supports {passive: true}.
- * https://developers.google.com/web/updates/2016/06/passive-event-listeners
- */
- PASSIVE_EVENTS: purify(function() {
- // If we're in a web worker or other custom environment, we can't tell.
- if (!goog.global.addEventListener || !Object.defineProperty) { // IE 8
- return false;
- }
-
- var passive = false;
- var options = Object.defineProperty({}, 'passive', {
- get: function() {
- passive = true;
- }
- });
- goog.global.addEventListener('test', goog.nullFunction, options);
- goog.global.removeEventListener('test', goog.nullFunction, options);
-
- return passive;
- })
-};
-
-
-/**
- * Tricks Closure Compiler into believing that a function is pure. The compiler
- * assumes that any `valueOf` function is pure, without analyzing its contents.
- *
- * @param {function(): T} fn
- * @return {T}
- * @template T
- */
-function purify(fn) {
- return ({valueOf: fn}).valueOf();
-}
-}); // goog.scope