@sevenqi/nodechannel/dist/lib/baseChannel.js

nodejs channel

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.BaseChannel = void 0;
var stream_1 = require("stream");
var filter_1 = require("./filter");
var BaseChannel = /** @class */ (function (_super) {
    __extends(BaseChannel, _super);
    function BaseChannel(duplex, filter) {
        var _this = _super.call(this, { readableObjectMode: true }) || this;
        _this.filter = filter;
        _this.duplex = duplex;
        _this.duplex.pipe(_this);
        _this.duplex.on("close", function () {
            _this.onClose();
        });
        return _this;
    }
    BaseChannel.prototype._write = function (chunk, encoding, callback) {
        if (!this.filter)
            this.filter = new filter_1.StringFilter();
        var result = this.filter.decodePackage(chunk);
        if (result)
            this.push(result);
        callback();
    };
    BaseChannel.prototype._read = function (size) {
        this.resume();
    };
    BaseChannel.prototype.send = function (buffer) {
        this.duplex.write(buffer);
    };
    return BaseChannel;
}(stream_1.Duplex));
exports.BaseChannel = BaseChannel;
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