// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license. // Copyright Joyent and Node contributors. All rights reserved. MIT license. // This code has been inspired by https://github.com/bevry/domain-browser/commit/8bce7f4a093966ca850da75b024239ad5d0b33c6 import { primordials } from "ext:core/mod.js"; const { ArrayPrototypeSlice, FunctionPrototypeBind, FunctionPrototypeCall, FunctionPrototypeApply, } = primordials; import { EventEmitter } from "node:events"; function emitError(e) { this.emit("error", e); } export function create() { return new Domain(); } export class Domain extends EventEmitter { #handler; constructor() { super(); this.#handler = FunctionPrototypeBind(emitError, this); } add(emitter) { emitter.on("error", this.#handler); } remove(emitter) { emitter.off("error", this.#handler); } bind(fn) { // deno-lint-ignore no-this-alias const self = this; return function () { try { FunctionPrototypeApply(fn, null, ArrayPrototypeSlice(arguments)); } catch (e) { FunctionPrototypeCall(emitError, self, e); } }; } intercept(fn) { // deno-lint-ignore no-this-alias const self = this; return function (e) { if (e) { FunctionPrototypeCall(emitError, self, e); } else { try { FunctionPrototypeApply(fn, null, ArrayPrototypeSlice(arguments, 1)); } catch (e) { FunctionPrototypeCall(emitError, self, e); } } }; } run(fn) { try { fn(); } catch (e) { FunctionPrototypeCall(emitError, this, e); } return this; } dispose() { this.removeAllListeners(); return this; } enter() { return this; } exit() { return this; } } export default { create, Domain, };