Bootstrap/js/dist/util/template-factory.js

/*!
  * Bootstrap template-factory.js v5.3.0-alpha1 (https://getbootstrap.com/)
  * Copyright 2011-2022 The Bootstrap Authors (https://github.com/twbs/bootstrap/graphs/contributors)
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
  */
(function (global, factory) {
  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('./sanitizer.js'), require('./index.js'), require('../dom/selector-engine.js'), require('./config.js')) :
  typeof define === 'function' && define.amd ? define(['./sanitizer', './index', '../dom/selector-engine', './config'], factory) :
  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.TemplateFactory = factory(global.Sanitizer, global.Index, global.SelectorEngine, global.Config));
})(this, (function (sanitizer_js, index_js, SelectorEngine, Config) { 'use strict';

  /**
   * --------------------------------------------------------------------------
   * Bootstrap (v5.3.0-alpha1): util/template-factory.js
   * Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
   * --------------------------------------------------------------------------
   */

  /**
   * Constants
   */

  const NAME = 'TemplateFactory';
  const Default = {
    allowList: sanitizer_js.DefaultAllowlist,
    content: {},
    // { selector : text ,  selector2 : text2 , }
    extraClass: '',
    html: false,
    sanitize: true,
    sanitizeFn: null,
    template: '<div></div>'
  };
  const DefaultType = {
    allowList: 'object',
    content: 'object',
    extraClass: '(string|function)',
    html: 'boolean',
    sanitize: 'boolean',
    sanitizeFn: '(null|function)',
    template: 'string'
  };
  const DefaultContentType = {
    entry: '(string|element|function|null)',
    selector: '(string|element)'
  };

  /**
   * Class definition
   */

  class TemplateFactory extends Config {
    constructor(config) {
      super();
      this._config = this._getConfig(config);
    }

    // Getters
    static get Default() {
      return Default;
    }
    static get DefaultType() {
      return DefaultType;
    }
    static get NAME() {
      return NAME;
    }

    // Public
    getContent() {
      return Object.values(this._config.content).map(config => this._resolvePossibleFunction(config)).filter(Boolean);
    }
    hasContent() {
      return this.getContent().length > 0;
    }
    changeContent(content) {
      this._checkContent(content);
      this._config.content = {
        ...this._config.content,
        ...content
      };
      return this;
    }
    toHtml() {
      const templateWrapper = document.createElement('div');
      templateWrapper.innerHTML = this._maybeSanitize(this._config.template);
      for (const [selector, text] of Object.entries(this._config.content)) {
        this._setContent(templateWrapper, text, selector);
      }
      const template = templateWrapper.children[0];
      const extraClass = this._resolvePossibleFunction(this._config.extraClass);
      if (extraClass) {
        template.classList.add(...extraClass.split(' '));
      }
      return template;
    }

    // Private
    _typeCheckConfig(config) {
      super._typeCheckConfig(config);
      this._checkContent(config.content);
    }
    _checkContent(arg) {
      for (const [selector, content] of Object.entries(arg)) {
        super._typeCheckConfig({
          selector,
          entry: content
        }, DefaultContentType);
      }
    }
    _setContent(template, content, selector) {
      const templateElement = SelectorEngine.findOne(selector, template);
      if (!templateElement) {
        return;
      }
      content = this._resolvePossibleFunction(content);
      if (!content) {
        templateElement.remove();
        return;
      }
      if (index_js.isElement(content)) {
        this._putElementInTemplate(index_js.getElement(content), templateElement);
        return;
      }
      if (this._config.html) {
        templateElement.innerHTML = this._maybeSanitize(content);
        return;
      }
      templateElement.textContent = content;
    }
    _maybeSanitize(arg) {
      return this._config.sanitize ? sanitizer_js.sanitizeHtml(arg, this._config.allowList, this._config.sanitizeFn) : arg;
    }
    _resolvePossibleFunction(arg) {
      return index_js.execute(arg, [this]);
    }
    _putElementInTemplate(element, templateElement) {
      if (this._config.html) {
        templateElement.innerHTML = '';
        templateElement.append(element);
        return;
      }
      templateElement.textContent = element.textContent;
    }
  }

  return TemplateFactory;

}));
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