@barchart/common-js/dist/cjs/lang/Disposable.js

Library of common JavaScript utilities

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var Disposable_exports = {};
__export(Disposable_exports, {
  default: () => Disposable
});
module.exports = __toCommonJS(Disposable_exports);
var assert = __toESM(require("./assert.js"));
class Disposable {
  #disposed;
  constructor() {
    this.#disposed = false;
  }
  /**
   * Indicates if the dispose action has been executed.
   *
   * @public
   * @returns {boolean}
   */
  get disposed() {
    return this.#disposed;
  }
  /**
   * Invokes end-of-life logic. Once this function has been
   * invoked, further interaction with the object is not
   * recommended.
   *
   * @public
   */
  dispose() {
    if (this.#disposed) {
      return;
    }
    this.#disposed = true;
    this._onDispose();
  }
  /**
   * @protected
   * @abstract
   * @ignore
   */
  _onDispose() {
  }
  /**
   * Returns true if the {@link Disposable#dispose} function has been invoked.
   *
   * @public
   * @deprecated
   * @returns {boolean}
   */
  getIsDisposed() {
    return this.#disposed;
  }
  /**
   * Returns a string representation.
   *
   * @public
   * @returns {string}
   */
  toString() {
    return "[Disposable]";
  }
  /**
   * Creates and returns a {@link Disposable} object with end-of-life logic
   * delegated to a function.
   *
   * @public
   * @static
   * @param {Function} disposeAction
   * @returns {Disposable}
   */
  static fromAction(disposeAction) {
    assert.argumentIsRequired(disposeAction, "disposeAction", Function);
    return new DisposableAction(disposeAction);
  }
  /**
   * Creates and returns a {@link Disposable} object whose end-of-life
   * logic does nothing.
   *
   * @public
   * @static
   * @returns {Disposable}
   */
  static getEmpty() {
    return Disposable.fromAction(() => {
    });
  }
}
class DisposableAction extends Disposable {
  #disposeAction;
  /**
      * @param {Function} disposeAction
      */
  constructor(disposeAction) {
    super();
    this.#disposeAction = disposeAction;
  }
  /**
   * @protected
   * @override
   */
  _onDispose() {
    this.#disposeAction();
    this.#disposeAction = null;
  }
  toString() {
    return "[DisposableAction]";
  }
}

{
	const cjsExports = module.exports;
	const cjsDefaultExport = cjsExports && cjsExports.__esModule ? cjsExports.default : cjsExports;

	if (cjsDefaultExport && (typeof cjsDefaultExport === 'function' || typeof cjsDefaultExport === 'object')) {
		Object.keys(cjsExports).forEach((key) => {
			if (key !== 'default' && key !== '__esModule') {
				cjsDefaultExport[key] = cjsExports[key];
			}
		});
	}

	module.exports = cjsDefaultExport;
}