This commit is contained in:
Yamozha
2021-04-02 02:24:13 +03:00
parent c23950b545
commit 7256d79e2c
31493 changed files with 3036630 additions and 0 deletions

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"use strict";
exports.__esModule = true;
exports.default = void 0;
var _ExecutionEnvironment = require("fbjs/lib/ExecutionEnvironment");
/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
*
*/
function isScreenReaderEnabled() {
return new Promise(function (resolve, reject) {
resolve(true);
});
}
var prefersReducedMotionMedia = _ExecutionEnvironment.canUseDOM ? window.matchMedia('(prefers-reduced-motion: reduce)') : null;
function isReduceMotionEnabled() {
return new Promise(function (resolve, reject) {
resolve(prefersReducedMotionMedia ? prefersReducedMotionMedia.matches : true);
});
}
var handlers = {};
var AccessibilityInfo = {
/**
* Query whether a screen reader is currently enabled.
*
* Returns a promise which resolves to a boolean.
* The result is `true` when a screen reader is enabled and `false` otherwise.
*/
isScreenReaderEnabled: isScreenReaderEnabled,
/**
* Query whether the user prefers reduced motion.
*
* Returns a promise which resolves to a boolean.
* The result is `true` when a screen reader is enabled and `false` otherwise.
*/
isReduceMotionEnabled: isReduceMotionEnabled,
/**
* Deprecated
*/
fetch: isScreenReaderEnabled,
/**
* Add an event handler. Supported events: reduceMotionChanged
*/
addEventListener: function addEventListener(eventName, handler) {
if (eventName === 'reduceMotionChanged') {
if (!prefersReducedMotionMedia) {
return;
}
var listener = function listener(event) {
handler(event.matches);
};
prefersReducedMotionMedia.addEventListener('change', listener);
handlers[handler] = listener;
}
return {
remove: function remove() {
return AccessibilityInfo.removeEventListener(eventName, handler);
}
};
},
/**
* Set accessibility focus to a react component.
*/
setAccessibilityFocus: function setAccessibilityFocus(reactTag) {},
/**
* Post a string to be announced by the screen reader.
*/
announceForAccessibility: function announceForAccessibility(announcement) {},
/**
* Remove an event handler.
*/
removeEventListener: function removeEventListener(eventName, handler) {
if (eventName === 'reduceMotionChanged') {
var listener = handlers[handler];
if (!listener || !prefersReducedMotionMedia) {
return;
}
prefersReducedMotionMedia.removeEventListener('change', listener);
}
return;
}
};
var _default = AccessibilityInfo;
exports.default = _default;
module.exports = exports.default;