lite-recaptcha
v1.0.2
Published
Recaptcha Web Component
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Lite Recaptcha
Recaptcha Web Component. Also works with LitElement.
Usage
Module export LiteCaptcha class, and also define <lite-capthca>
element.
import 'lite-recaptcha'
import { html } from 'lit-html'
class extends Whatever {
//...
render() {
return html`
<lite-captcha
sitekey=${this.captchaSiteKey}
hl=${this.lang}
.onChange=${this.onChange}
.onLoad=${this.onLoad}
></lite-captcha>
`
}
}
Api Reference
Props
- sitekey:
String
. Required! - hl:
String
. By default recaptcha set by itself - size:
normal || compact
. Default: 'normal' - theme:
light || dark
. Default: 'light' - tabindex:
Number
. Default: 0
Callbacks
- onChange:
(token: String)=>{...}
. Calls withtoken
when captcha checked successfully. Calls with''
when captcha expired, rerendered, error or reset - onLoad:
(loaded: Boolean)=>{...}
. Calls withloaded = true
after loading recaptcha script. Each timehl
changes, the loading starts over (loaded = false
). - successCallback:
(token: String)=>{...}
. - expiredCallback:
function
- errorCallback:
function
Methods
- reset(). Reset captcha and value
Events
- change:
e=>console.log(e.detail.value)
. Fire ifonChange
callback not provided. Works the same - load:
e=>console.log(e.detail.value)
. Fire ifonLoad
callback not provided. Works the same
Example
Here is <captcha-input>
example based on LitElement for lite-form
import { LitElement, html } from 'lit-element'
import compose from 'compose-function'
import { withField, withError } from 'lite-form'
import 'lite-recaptcha'
class CaptchaInput extends LitElement {
createRenderRoot() {
return this
}
static get properties() {
return {
name: { type: String },
captchaSiteKey: { type: String },
lang: { type: String },
loaded: { type: Boolean },
//touched and error comes from withError HOC
touched: { type: Boolean },
error: { type: String },
}
}
constructor() {
super()
this.loaded = false
}
onLoad = value => {
this.loaded = value
}
onChange = token => {
// handleBlur and handleChange comes from withField HOC
if (token) {
this.handleBlur()
}
this.handleChange(token)
}
// Useful to reset from the outside
reset() {
const el = this.getElementsByTagName('lite-captcha')
el[0] && el[0].reset()
}
render() {
return html`<lite-captcha
id="lite-captcha"
sitekey=${this.captchaSiteKey}
hl=${this.lang}
.onChange=${this.onChange}
.onLoad=${this.onLoad}
></lite-captcha>
${!this.loaded ? html`<p>loading...</p>` : null}
${html`<p>${this.error && this.touched ? this.error : null}</p> `}`
}
}
const enhance = compose(withField, withError)
customElements.define('captcha-input', enhance(CaptchaInput))