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* --------------------------------------------------------------------------
* Bootstrap (v5.2.3): util/template-factory.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import { DefaultAllowlist, sanitizeHtml } from './sanitizer'
import { getElement, isElement } from '../util/index'
import SelectorEngine from '../dom/selector-engine'
import Config from './config'
/**
* Constants
*/
const NAME = 'TemplateFactory'
const Default = {
allowList: 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 (isElement(content)) {
this._putElementInTemplate(getElement(content), templateElement)
return
}
if (this._config.html) {
templateElement.innerHTML = this._maybeSanitize(content)
return
}
templateElement.textContent = content
}
_maybeSanitize(arg) {
return this._config.sanitize ? sanitizeHtml(arg, this._config.allowList, this._config.sanitizeFn) : arg
}
_resolvePossibleFunction(arg) {
return typeof arg === 'function' ? arg(this) : arg
}
_putElementInTemplate(element, templateElement) {
if (this._config.html) {
templateElement.innerHTML = ''
templateElement.append(element)
return
}
templateElement.textContent = element.textContent
}
}
export default TemplateFactory
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