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/**
* --------------------------------------------------------------------------
* Bootstrap (v5.1.0): forms/field.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import { isElement, typeCheckConfig } from '../util/index'
import Messages from './messages'
import Manipulator from '../dom/manipulator'
import EventHandler from '../dom/event-handler'
import BaseComponent from '../base-component'
import SelectorEngine from '../dom/selector-engine'
const NAME = 'field'
const DATA_KEY = 'bs.field'
const EVENT_KEY = `.${DATA_KEY}`
const EVENT_INPUT = `input${EVENT_KEY}`
const CLASS_PREFIX_ERROR = 'invalid'
const CLASS_PREFIX_INFO = 'info'
const CLASS_PREFIX_SUCCESS = 'valid'
const CLASS_FIELD_ERROR = 'is-invalid'
const CLASS_FIELD_SUCCESS = 'is-valid'
const ARIA_DESCRIBED_BY = 'aria-describedby'
const Default = {
name: null,
type: 'feedback', // or tooltip
valid: '', // valid message to add
invalid: '' // invalid message to add
}
const DefaultType = {
name: 'string',
type: 'string',
valid: 'string',
invalid: 'string'
}
class Field extends BaseComponent {
constructor(element, config) {
super(element)
if (!isElement(this._element)) {
throw new TypeError(`field "${this._config.name}" not found`)
}
this._config = this._getConfig(config)
this._errorMessages = this._getNewMessagesCollection(CLASS_PREFIX_ERROR, CLASS_FIELD_ERROR)
this._helpMessages = this._getNewMessagesCollection(CLASS_PREFIX_INFO, '')
this._successMessages = this._getNewMessagesCollection(CLASS_PREFIX_SUCCESS, CLASS_FIELD_SUCCESS)
this._initializeMessageCollections()
EventHandler.on(this._element, EVENT_INPUT, () => {
this.clearAppended()
})
}
static get NAME() {
return NAME
}
getElement() {
return this._element
}
clearAppended() {
const appendedFeedback = SelectorEngine.findOne(`[class*=-${this._config.type}], ${this._getId()}`, this._element.parentNode)
if (!appendedFeedback) {
return
}
appendedFeedback.remove()
this._element.classList.remove(CLASS_FIELD_ERROR, CLASS_FIELD_SUCCESS)
const initialDescribedBy = this._initialDescribedBy()
if (initialDescribedBy) {
this._element.setAttribute(ARIA_DESCRIBED_BY, initialDescribedBy)
} else {
this._element.removeAttribute(ARIA_DESCRIBED_BY)
}
}
dispose() {
EventHandler.off(this._element, EVENT_KEY)
Object.getOwnPropertyNames(this).forEach(propertyName => {
this[propertyName] = null
})
}
errorMessages() {
return this._errorMessages
}
helpMessages() {
return this._helpMessages
}
successMessages() {
return this._successMessages
}
_getConfig(config) {
config = {
...Default,
...Manipulator.getDataAttributes(this._element),
...(typeof config === 'object' ? config : {})
}
typeCheckConfig(NAME, config, DefaultType)
return config
}
_appendFeedback(htmlElement, elementClass) {
if (!isElement(htmlElement)) {
return
}
this.clearAppended()
const feedbackElement = htmlElement
this._element.parentNode.append(feedbackElement)
feedbackElement.id = this._getId()
this._element.classList.add(elementClass)
const initialDescribedBy = this._initialDescribedBy()
const describedBy = initialDescribedBy ? `${initialDescribedBy} ` : ''
this._element.setAttribute(ARIA_DESCRIBED_BY, `${describedBy}${feedbackElement.id}`)
}
_getId() {
return `${this._config.name}-formTip`
}
_getNewMessagesCollection(classPrefix, elementClass) {
const config = {
appendFunction: html => this._appendFeedback(html, elementClass),
extraClass: `${classPrefix}-${this._config.type}`
}
return new Messages(config)
}
_initialDescribedBy() {
return (this._element.getAttribute(ARIA_DESCRIBED_BY) || '').replaceAll(this._getId(), '').trim()
}
_initializeMessageCollections() {
if (this._config.invalid) {
this.errorMessages().set('default', this._config.invalid)
}
if (this._config.valid) {
this.successMessages().set('default', this._config.valid)
}
}
}
export default Field
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