script.mjs

/**
 * Copyright schukai GmbH and contributors 2022. All Rights Reserved.
 * Node module: @schukai/monster
 * This file is licensed under the AGPLv3 License.
 * License text available at https://www.gnu.org/licenses/agpl-3.0.en.html
 */

import {extend} from "../../data/extend.mjs";
import {
    ATTRIBUTE_CLASS,
    ATTRIBUTE_ID,
    ATTRIBUTE_NONCE,
    ATTRIBUTE_SRC,
    ATTRIBUTE_TITLE,
    ATTRIBUTE_TYPE,
    TAG_SCRIPT
} from "../constants.mjs";
import {KEY_DOCUMENT, referenceSymbol, Resource} from "../resource.mjs";
import {instanceSymbol} from '../../constants.mjs';
export {Script}

/**
 * This class is used by the resource manager to embed scripts.
 *
 * @license AGPLv3
 * @since 1.25.0
 * @copyright schukai GmbH
 * @memberOf Monster.DOM.Resource
 * @summary A Resource class
 */
class Script extends Resource {

    /**
     * @property {boolean} async=true {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-async}
     * @property {string} crossOrigin=anonymous {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-crossorigin}
     * @property {boolean} defer=false {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-defer}
     * @property {string} integrity {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-integrity}
     * @property {boolean} nomodule {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-nomodule}
     * @property {string} nonce {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-nonce}
     * @property {string} referrerpolicy {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-referrerpolicy}
     * @property {string} type {@link https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script#attr-type}
     */
    get defaults() {
        return extend({}, super.defaults, {
            async: true,
            crossOrigin: 'anonymous',
            defer: false,
            integrity: undefined,
            nomodule: false,
            nonce: undefined,
            referrerpolicy: undefined,
            type: 'text/javascript',
        })
    }

    /**
     * This method is called by the `instanceof` operator.
     * @returns {symbol}
     * @since 2.1.0
     */
    static get [instanceSymbol]() {
        return Symbol.for("@schukai/monster/dom/resource/script");
    }

    /**
     *
     * @return {Monster.DOM.Resource.Script}
     */
    create() {
        createElement.call(this);
        return this;
    }

    /**
     * @return {string}
     */
    static getURLAttribute() {
        return ATTRIBUTE_SRC
    }

}

/**
 * @private
 * @return {Monster.DOM.Resource.Script}
 */
function createElement() {
    const self = this;

    const document = self.getOption(KEY_DOCUMENT);
    self[referenceSymbol] = document.createElement(TAG_SCRIPT);

    for (let key of ['crossOrigin', 'defer', 'async', 'integrity', 'nomodule', ATTRIBUTE_NONCE, 'referrerpolicy', ATTRIBUTE_TYPE, ATTRIBUTE_SRC, ATTRIBUTE_ID, ATTRIBUTE_CLASS, ATTRIBUTE_TITLE]) {
        if (self.getOption(key) !== undefined) {
            self[referenceSymbol][key] = self.getOption(key);
        }
    }


    return self;
}