react-native-web-internals
Version:
React Native for Web
76 lines (75 loc) • 3.17 kB
JavaScript
;
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf, __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: !0 });
}, __copyProps = (to, from, except, desc) => {
if (from && typeof from == "object" || typeof from == "function")
for (let key of __getOwnPropNames(from))
!__hasOwnProp.call(to, key) && key !== except && __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: !0 }) : target,
mod
)), __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: !0 }), mod);
var createEventHandle_exports = {};
__export(createEventHandle_exports, {
default: () => createEventHandle
});
module.exports = __toCommonJS(createEventHandle_exports);
var import_canUseDOM = __toESM(require("../canUseDOM")), emptyFunction = function() {
};
function supportsPassiveEvents() {
var supported = !1;
if (import_canUseDOM.default)
try {
var options = {};
Object.defineProperty(options, "passive", {
get() {
return supported = !0, !1;
}
}), window.addEventListener("test", null, options), window.removeEventListener("test", null, options);
} catch {
}
return supported;
}
var canUsePassiveEvents = supportsPassiveEvents();
function getOptions(options) {
return options == null ? !1 : canUsePassiveEvents ? options : !!options.capture;
}
function isPropagationStopped() {
return this.cancelBubble;
}
function isDefaultPrevented() {
return this.defaultPrevented;
}
function normalizeEvent(event) {
return event.nativeEvent = event, event.persist = emptyFunction, event.isDefaultPrevented = isDefaultPrevented, event.isPropagationStopped = isPropagationStopped, event;
}
function createEventHandle(type, options) {
var opts = getOptions(options);
return function(target, listener) {
if (target == null || typeof target.addEventListener != "function")
throw new Error("createEventHandle: called on an invalid target.");
var element = target;
if (listener != null) {
var compatListener = function(e) {
return listener(normalizeEvent(e));
};
return element.addEventListener(type, compatListener, opts), function() {
element != null && element.removeEventListener(type, compatListener, opts);
};
} else
return emptyFunction;
};
}
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