@antv/f6-plugin/lib/time-bar/dispatcher.js

F6 plugin

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.dispatch = dispatch;
exports.subscribe = subscribe;
exports.unsubscribe = unsubscribe;
exports.unsubscribeAll = unsubscribeAll;

var _tslib = require("tslib");

var events = {};

function dispatch(key) {
  var args = [];

  for (var _i = 1; _i < arguments.length; _i++) {
    args[_i - 1] = arguments[_i];
  }

  var fns = events[key];
  fns === null || fns === void 0 ? void 0 : fns.forEach(function (fn) {
    fn.apply(null, args);
  });
}

function subscribe(key, fn) {
  events[key] = (0, _tslib.__spreadArray)((0, _tslib.__spreadArray)([], events[key] || []), [fn]);
}

function unsubscribe(key, fn) {
  var _a;

  if (!fn) {
    delete events[key];
    return;
  }

  if (events[key]) {
    var index = (_a = events[key]) === null || _a === void 0 ? void 0 : _a.indexOf(fn);
    index > -1 && events[key].splice(index, 1);
  }
}

function unsubscribeAll() {
  events = {};
}