@hlang-org/runtime
Version:
A FBP-Inspired language for universal applications.
81 lines • 9.05 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const rxjs_1 = require("rxjs");
const type_1 = require("../type");
const utils_1 = require("../utils");
const operators_1 = require("rxjs/operators");
class Port {
constructor({ type, name = "" }) {
this.name = name;
this.type = type;
this.peers = [];
this.node = null;
this.isActive = false;
this.identity = type_1.IDENTITY.PORT;
}
active() {
this.isActive = true;
}
deActive() {
this.isActive = false;
}
addPeer(val) {
this.peers.push(val);
}
attach(node) {
// TODO: asserts
this.node = node;
this.node.attachPort(this);
this.id = utils_1.uuid.create();
// 确保唯一
this.$eventEmitter = new rxjs_1.Subject(`${node.id}->${this.id}`);
}
get $() {
return this.$pipedEventEmitter || this.$eventEmitter;
}
send(msg) {
const $emitter = this.$pipedEventEmitter || this.$eventEmitter;
$emitter.next(msg);
}
// tslint:disable:ter-indent
pipe(...args) {
this.$pipedEventEmitter = this.$eventEmitter.pipe.apply(this.$eventEmitter, [
...args,
// 管道中的未捕获异常处理
(0, operators_1.catchError)((err) => {
throw err;
}),
]);
return {
receive: this.receive.bind(this),
};
}
// tslint:enable
on(next) {
console.log("[@hlang-org/runtime]: $().on(() => {}) has been deperecated, please use $().receive(() => {}).");
return this.receive(next);
}
receive(next) {
const onNext = (...args) => next(...args);
const $emitter = this.$pipedEventEmitter || this.$eventEmitter;
return $emitter.subscribe(onNext);
}
// core
connect(port) {
if (this.type === type_1.STREAM_TYPE.O && port.type === type_1.STREAM_TYPE.I) {
this.addPeer(port);
}
else {
throw new Error(`${this.type} can not connect ${port.type}`);
}
return this;
}
}
Port.I = (name) => {
return new Port({ type: type_1.STREAM_TYPE.I, name: name });
};
Port.O = (name) => {
return new Port({ type: type_1.STREAM_TYPE.O, name: name });
};
exports.default = Port;
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