maplair/dist/esm/core/Class.js

JavaScript library for mobile-friendly interactive maps

import { setOptions } from "./Util.js";
//#region src/core/Class.js
var Class = class {
	static include(props) {
		const parentOptions = this.prototype.options;
		for (const k of getAllMethodNames(props)) this.prototype[k] = props[k];
		if (props.options) {
			this.prototype.options = parentOptions;
			this.mergeOptions(props.options);
		}
		return this;
		function* getAllMethodNames(obj) {
			do {
				if (obj === Object || obj === Object.prototype) break;
				for (const k of Object.getOwnPropertyNames(obj)) yield k;
			} while ((obj = Object.getPrototypeOf(obj)) !== void 0);
		}
	}
	static setDefaultOptions(options) {
		setOptions(this.prototype, options);
		return this;
	}
	static mergeOptions(options) {
		this.prototype.options ??= {};
		Object.assign(this.prototype.options, options);
		return this;
	}
	static addInitHook(fn, ...args) {
		const init = typeof fn === "function" ? fn : function() {
			this[fn](...args);
		};
		if (!Object.hasOwn(this, "_initHooks")) this._initHooks = [];
		this._initHooks.push(init);
		return this;
	}
	constructor() {
		setOptions(this);
	}
	callInitHooks(cls = this.constructor) {
		const done = this._initHooksCalledFor;
		if (done && (done === cls || done.prototype instanceof cls)) return this;
		const classes = [];
		for (let c = cls; c && c !== Function.prototype && c !== done; c = Object.getPrototypeOf(c)) classes.unshift(c);
		this._initHooksCalledFor = cls;
		for (const c of classes) if (Object.hasOwn(c, "_initHooks")) for (const hook of c._initHooks) hook.call(this);
		return this;
	}
};
//#endregion
export { Class };

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