@airgram/vue/AirgramProvider.js

## License

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var vue_1 = __importDefault(require("vue"));
var AirgramProvider = /** @class */ (function () {
    function AirgramProvider(_a) {
        var airgram = _a.airgram;
        this.isInitialized = false;
        this.airgram = airgram;
        this.eventBus = new vue_1.default();
    }
    AirgramProvider.prototype.off = function (eventName, handler) {
        this.eventBus.$off(eventName, handler);
    };
    AirgramProvider.prototype.on = function (eventName, handler) {
        return this.listen('$on', eventName, handler);
    };
    AirgramProvider.prototype.once = function (eventName, handler) {
        return this.listen('$once', eventName, handler);
    };
    AirgramProvider.prototype.initialize = function () {
        var _this = this;
        this.airgram.use(function (ctx, next) {
            if ('update' in ctx) {
                _this.eventBus.$emit(ctx._, ctx);
            }
            return next();
        });
    };
    AirgramProvider.prototype.listen = function (type, eventName, handler) {
        var _this = this;
        if (!this.isInitialized) {
            this.initialize();
        }
        this.isInitialized = true;
        this.eventBus[type](eventName, handler);
        return function () { return _this.off(eventName, handler); };
    };
    return AirgramProvider;
}());
exports.AirgramProvider = AirgramProvider;