@morjs/runtime-web
Version:
mor runtime for web
65 lines • 2.37 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.PAGE_ON_READY = exports.getEventName = void 0;
const index_1 = require("../utils/index");
// 整合page route 逻辑
const getEventName = (eventName) => {
return (0, index_1.getPageAsKey)() + '_' + eventName;
};
exports.getEventName = getEventName;
exports.PAGE_ON_READY = 'pageOnReady';
class Event {
constructor() {
this.callbackMap = {};
}
on(eventName, callback) {
const keys = Object.keys(this.callbackMap);
if (keys.indexOf(eventName) < 0)
this.callbackMap[eventName] = [];
this.callbackMap[eventName].push(callback);
}
emit(eventName, params) {
eventName = (0, exports.getEventName)(eventName);
// 页面销毁时会触发该事件，销毁该页面绑定的所有回调
if (eventName === 'clearPageOnReadyCallback')
return this.removeAllCallbacks((0, exports.getEventName)(exports.PAGE_ON_READY));
const keys = Object.keys(this.callbackMap);
if (keys.indexOf(eventName) < 0)
return;
const callbacks = this.callbackMap[eventName];
callbacks.forEach((callback) => callback(params));
}
clear() {
this.callbackMap = {};
}
removeAllCallbacks(eventName) {
if (this.callbackMap[eventName] && this.callbackMap[eventName].length > 0) {
this.callbackMap[eventName] = [];
}
}
remove(eventName, callback) {
const keys = Object.keys(this.callbackMap);
if (keys.indexOf(eventName) < 0)
return;
const callbacks = this.callbackMap[eventName];
const callbackIndex = callbacks.indexOf(callback);
if (callbackIndex >= 0)
this.callbackMap[eventName].splice(callbackIndex, 1);
}
size(eventName) {
const keys = Object.keys(this.callbackMap);
if (keys.indexOf(eventName) < 0)
return 0;
return this.callbackMap[eventName].length;
}
once(eventName, callback) {
const index = this.size(eventName);
const wrapperCallback = (params) => {
callback(params);
this.remove(eventName, this.callbackMap[eventName][index]);
};
this.on(eventName, wrapperCallback);
}
}
exports.default = Event;
//# sourceMappingURL=Event.js.map