playcanvas/build/playcanvas/src/framework/script/script-create.js

Open-source WebGL/WebGPU 3D engine for the web

import { EventHandler } from "../../core/event-handler.js";
import { AppBase } from "../app-base.js";
import { ScriptAttributes } from "./script-attributes.js";
import { ScriptType } from "./script-type.js";
import { ScriptTypes } from "./script-types.js";
import { reservedScriptNames } from "./constants.js";
import { Script, getScriptName } from "./script.js";
function getReservedScriptNames() {
	return reservedScriptNames;
}
function createScript(name, app) {
	if (reservedScriptNames.has(name)) {
		throw new Error(`Script name '${name}' is reserved, please rename the script`);
	}
	const scriptType = function(args) {
		EventHandler.prototype.initEventHandler.call(this);
		ScriptType.prototype.initScriptType.call(this, args);
	};
	scriptType.prototype = Object.create(ScriptType.prototype);
	scriptType.prototype.constructor = scriptType;
	scriptType.extend = ScriptType.extend;
	scriptType.attributes = new ScriptAttributes(scriptType);
	registerScript(scriptType, name, app);
	return scriptType;
}
const reservedAttributes = {};
ScriptAttributes.reservedNames.forEach((value, value2, set) => {
	reservedAttributes[value] = 1;
});
createScript.reservedAttributes = reservedAttributes;
function registerScript(script, name, app) {
	if (typeof script !== "function") {
		throw new Error(`script class: '${script}' must be a constructor function (i.e. class).`);
	}
	if (!(script.prototype instanceof Script)) {
		throw new Error(`script class: '${ScriptType.__getScriptName(script)}' does not extend pc.Script.`);
	}
	name = name || Object.prototype.hasOwnProperty.call(script, "__name") && script.__name || getScriptName(script);
	if (!name) {
		return;
	}
	if (reservedScriptNames.has(name)) {
		throw new Error(`script name: '${name}' is reserved, please change script name`);
	}
	script.__name = name;
	const registry = app ? app.scripts : AppBase.getApplication().scripts;
	registry.add(script);
	ScriptTypes.push(script);
}
export {
	createScript,
	getReservedScriptNames,
	registerScript
};