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/**
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* --------------------------------------------------------------------------
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* Bootstrap util/template-factory.js
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* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
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* --------------------------------------------------------------------------
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*/
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import SelectorEngine from '../dom/selector-engine'
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import Config from './config'
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import { DefaultAllowlist, sanitizeHtml } from './sanitizer'
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import { execute, getElement, isElement } from './index'
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/**
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* Constants
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*/
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const NAME = 'TemplateFactory'
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const Default = {
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allowList: DefaultAllowlist,
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content: {}, // { selector : text , selector2 : text2 , }
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extraClass: '',
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html: false,
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sanitize: true,
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sanitizeFn: null,
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template: '<div></div>'
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}
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const DefaultType = {
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allowList: 'object',
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content: 'object',
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extraClass: '(string|function)',
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html: 'boolean',
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sanitize: 'boolean',
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sanitizeFn: '(null|function)',
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template: 'string'
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}
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const DefaultContentType = {
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entry: '(string|element|function|null)',
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selector: '(string|element)'
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}
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/**
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* Class definition
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*/
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class TemplateFactory extends Config {
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constructor(config) {
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super()
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this._config = this._getConfig(config)
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}
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// Getters
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static get Default() {
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return Default
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}
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static get DefaultType() {
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return DefaultType
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}
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static get NAME() {
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return NAME
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}
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// Public
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getContent() {
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return Object.values(this._config.content)
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.map(config => this._resolvePossibleFunction(config))
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.filter(Boolean)
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}
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hasContent() {
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return this.getContent().length > 0
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}
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changeContent(content) {
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this._checkContent(content)
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this._config.content = { ...this._config.content, ...content }
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return this
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}
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toHtml() {
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const templateWrapper = document.createElement('div')
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templateWrapper.innerHTML = this._maybeSanitize(this._config.template)
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for (const [selector, text] of Object.entries(this._config.content)) {
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this._setContent(templateWrapper, text, selector)
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}
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const template = templateWrapper.children[0]
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const extraClass = this._resolvePossibleFunction(this._config.extraClass)
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if (extraClass) {
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template.classList.add(...extraClass.split(' '))
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}
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return template
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}
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// Private
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_typeCheckConfig(config) {
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super._typeCheckConfig(config)
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this._checkContent(config.content)
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}
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_checkContent(arg) {
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for (const [selector, content] of Object.entries(arg)) {
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super._typeCheckConfig({ selector, entry: content }, DefaultContentType)
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}
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}
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_setContent(template, content, selector) {
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const templateElement = SelectorEngine.findOne(selector, template)
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if (!templateElement) {
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return
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}
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content = this._resolvePossibleFunction(content)
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if (!content) {
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templateElement.remove()
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return
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}
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if (isElement(content)) {
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this._putElementInTemplate(getElement(content), templateElement)
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return
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}
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if (this._config.html) {
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templateElement.innerHTML = this._maybeSanitize(content)
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return
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}
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templateElement.textContent = content
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}
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_maybeSanitize(arg) {
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return this._config.sanitize ? sanitizeHtml(arg, this._config.allowList, this._config.sanitizeFn) : arg
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}
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_resolvePossibleFunction(arg) {
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return execute(arg, [this])
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}
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_putElementInTemplate(element, templateElement) {
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if (this._config.html) {
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templateElement.innerHTML = ''
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templateElement.append(element)
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return
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}
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templateElement.textContent = element.textContent
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}
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}
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export default TemplateFactory
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