@tamagui/react-native-web-lite
Version:
React Native for Web
75 lines (74 loc) • 2.7 kB
JavaScript
import { canUseDOM } from "@tamagui/react-native-web-internals";
function isScreenReaderEnabled() {
return new Promise((resolve, reject) => {
resolve(!0);
});
}
const prefersReducedMotionMedia = canUseDOM && typeof window.matchMedia == "function" ? window.matchMedia("(prefers-reduced-motion: reduce)") : null;
function isReduceMotionEnabled() {
return new Promise((resolve, reject) => {
resolve(prefersReducedMotionMedia ? prefersReducedMotionMedia.matches : !0);
});
}
function addChangeListener(fn) {
prefersReducedMotionMedia != null && (prefersReducedMotionMedia.addEventListener != null ? prefersReducedMotionMedia.addEventListener("change", fn) : prefersReducedMotionMedia.addListener(fn));
}
function removeChangeListener(fn) {
prefersReducedMotionMedia != null && (prefersReducedMotionMedia.removeEventListener != null ? prefersReducedMotionMedia.removeEventListener("change", fn) : prefersReducedMotionMedia.removeListener(fn));
}
const handlers = {},
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,
/**
* 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,
/**
* Deprecated
*/
fetch: isScreenReaderEnabled,
/**
* Add an event handler. Supported events: reduceMotionChanged
*/
addEventListener: function (eventName, handler) {
if (eventName === "reduceMotionChanged") {
if (!prefersReducedMotionMedia) return;
const listener = event => {
handler(event.matches);
};
addChangeListener(listener), handlers[handler] = listener;
}
return {
remove: () => AccessibilityInfo.removeEventListener(eventName, handler)
};
},
/**
* Set accessibility focus to a react component.
*/
setAccessibilityFocus: function (reactTag) {},
/**
* Post a string to be announced by the screen reader.
*/
announceForAccessibility: function (announcement) {},
/**
* Remove an event handler.
*/
removeEventListener: function (eventName, handler) {
if (eventName === "reduceMotionChanged") {
const listener = handlers[handler];
if (!listener || !prefersReducedMotionMedia) return;
removeChangeListener(listener);
}
}
};
export { AccessibilityInfo };
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