E_WeChat/miniprogram_npm/@antv/event-emitter/index.js.map

{"version":3,"sources":["index.js"],"names":[],"mappings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file":"index.js","sourcesContent":["\nObject.defineProperty(exports, \"__esModule\", { value: true });\nvar WILDCARD = '*';\n/* event-emitter */\nvar EventEmitter = /** @class */ (function () {\n    function EventEmitter() {\n        this._events = {};\n    }\n    /**\n     * 监听一个事件\n     * @param evt\n     * @param callback\n     * @param once\n     */\n    EventEmitter.prototype.on = function (evt, callback, once) {\n        if (!this._events[evt]) {\n            this._events[evt] = [];\n        }\n        this._events[evt].push({\n            callback: callback,\n            once: !!once,\n        });\n        return this;\n    };\n    /**\n     * 监听一个事件一次\n     * @param evt\n     * @param callback\n     */\n    EventEmitter.prototype.once = function (evt, callback) {\n        return this.on(evt, callback, true);\n    };\n    /**\n     * 触发一个事件\n     * @param evt\n     * @param args\n     */\n    EventEmitter.prototype.emit = function (evt) {\n        var _this = this;\n        var args = [];\n        for (var _i = 1; _i < arguments.length; _i++) {\n            args[_i - 1] = arguments[_i];\n        }\n        var events = this._events[evt] || [];\n        var wildcardEvents = this._events[WILDCARD] || [];\n        // 实际的处理 emit 方法\n        var doEmit = function (es) {\n            var length = es.length;\n            for (var i = 0; i < length; i++) {\n                if (!es[i]) {\n                    continue;\n                }\n                var _a = es[i], callback = _a.callback, once = _a.once;\n                if (once) {\n                    es.splice(i, 1);\n                    if (es.length === 0) {\n                        delete _this._events[evt];\n                    }\n                    length--;\n                    i--;\n                }\n                callback.apply(_this, args);\n            }\n        };\n        doEmit(events);\n        doEmit(wildcardEvents);\n    };\n    /**\n     * 取消监听一个事件，或者一个channel\n     * @param evt\n     * @param callback\n     */\n    EventEmitter.prototype.off = function (evt, callback) {\n        if (!evt) {\n            // evt 为空全部清除\n            this._events = {};\n        }\n        else {\n            if (!callback) {\n                // evt 存在，callback 为空，清除事件所有方法\n                delete this._events[evt];\n            }\n            else {\n                // evt 存在，callback 存在，清除匹配的\n                var events = this._events[evt] || [];\n                var length_1 = events.length;\n                for (var i = 0; i < length_1; i++) {\n                    if (events[i].callback === callback) {\n                        events.splice(i, 1);\n                        length_1--;\n                        i--;\n                    }\n                }\n                if (events.length === 0) {\n                    delete this._events[evt];\n                }\n            }\n        }\n        return this;\n    };\n    /* 当前所有的事件 */\n    EventEmitter.prototype.getEvents = function () {\n        return this._events;\n    };\n    return EventEmitter;\n}());\nexports.default = EventEmitter;\n//# sourceMappingURL=index.js.map"]}