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/**
* --------------------------------------------------------------------------
* Bootstrap (v5.3.0): forms/field.js
* Licensed under MIT (https://github.com/twbs/bootstrap/blob/main/LICENSE)
* --------------------------------------------------------------------------
*/
import { getUID, isElement } from '../util/index'
import EventHandler from '../dom/event-handler'
import BaseComponent from '../base-component'
import SelectorEngine from '../dom/selector-engine'
import TemplateFactory from '../util/template-factory'
const NAME = 'formField'
const DATA_KEY = 'bs.field'
const EVENT_KEY = `.${DATA_KEY}`
const EVENT_INPUT = `input${EVENT_KEY}`
const CLASS_FIELD_ERROR = 'is-invalid'
const CLASS_FIELD_SUCCESS = 'is-valid'
const ARIA_DESCRIBED_BY = 'aria-describedby'
const Default = {
invalid: '', // invalid message to append
valid: '', // valid message to append
type: 'feedback' // or tooltip
}
const DefaultType = {
invalid: 'string',
valid: 'string',
type: 'string'
}
const MessageTypes = {
ERROR: { prefix: 'invalid', class: CLASS_FIELD_ERROR },
INFO: { prefix: 'info', class: '' },
SUCCESS: { prefix: 'valid', class: CLASS_FIELD_SUCCESS }
}
class FormField extends BaseComponent {
constructor(element, config) {
super(element, config)
if (!isElement(this._element)) {
throw new TypeError(`field "${this._config.name}" not found`)
}
this._tipId = getUID(`${this._config.name}-formTip-`)
this._initialDescribedBy = this._element.getAttribute(ARIA_DESCRIBED_BY) || ''
EventHandler.on(this._element, EVENT_INPUT, () => {
this.clearAppended()
})
}
static get NAME() {
return NAME
}
static get Default() {
return Default
}
static get DefaultType() {
return DefaultType
}
static get MessageTypes() {
return MessageTypes
}
clearAppended() {
const appendedFeedback = SelectorEngine.findOne(`#${this._tipId}`, this._element.parentNode)
if (!appendedFeedback) {
return
}
appendedFeedback.remove()
this._element.classList.remove(CLASS_FIELD_ERROR, CLASS_FIELD_SUCCESS)
if (this._initialDescribedBy) {
this._element.setAttribute(ARIA_DESCRIBED_BY, this._initialDescribedBy)
return
}
this._element.removeAttribute(ARIA_DESCRIBED_BY)
}
appendError(message = this._config.invalid) {
return this.appendFeedback(message, this.constructor.MessageTypes.ERROR)
}
appendSuccess(message = this._config.valid) {
return this.appendFeedback(message, this.constructor.MessageTypes.SUCCESS)
}
appendFeedback(feedback, classes = this.constructor.MessageTypes.INFO) {
if (!feedback) {
return false
}
this.clearAppended()
const config = {
extraClass: `${classes.prefix}-${this._config.type} ${classes.class}`,
content: { div: feedback }
}
feedback = new TemplateFactory(config)
const feedbackElement = feedback.toHtml()
feedbackElement.id = this._tipId
this._element.parentNode.append(feedbackElement)
const describedBy = `${this._initialDescribedBy} ${feedbackElement.id}`.trim()
this._element.setAttribute(ARIA_DESCRIBED_BY, describedBy)
return true
}
name() {
return this._element.name || this._element.id
}
}
export default FormField
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