File size: 3,771 Bytes
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<div v-if="siteKey" class="turnstile-wrapper">
<div ref="containerRef" class="turnstile-container"></div>
</div>
</template>
<script setup lang="ts">
import { ref, onMounted, onUnmounted, watch } from 'vue'
interface TurnstileRenderOptions {
sitekey: string
callback: (token: string) => void
'expired-callback'?: () => void
'error-callback'?: () => void
theme?: 'light' | 'dark' | 'auto'
size?: 'normal' | 'compact' | 'flexible'
}
interface TurnstileAPI {
render: (container: HTMLElement, options: TurnstileRenderOptions) => string
reset: (widgetId?: string) => void
remove: (widgetId?: string) => void
}
declare global {
interface Window {
turnstile?: TurnstileAPI
onTurnstileLoad?: () => void
}
}
const props = withDefaults(
defineProps<{
siteKey: string
theme?: 'light' | 'dark' | 'auto'
size?: 'normal' | 'compact' | 'flexible'
}>(),
{
theme: 'auto',
size: 'flexible'
}
)
const emit = defineEmits<{
(e: 'verify', token: string): void
(e: 'expire'): void
(e: 'error'): void
}>()
const containerRef = ref<HTMLElement | null>(null)
const widgetId = ref<string | null>(null)
const scriptLoaded = ref(false)
const loadScript = (): Promise<void> => {
return new Promise((resolve, reject) => {
if (window.turnstile) {
scriptLoaded.value = true
resolve()
return
}
// Check if script is already loading
const existingScript = document.querySelector('script[src*="turnstile"]')
if (existingScript) {
window.onTurnstileLoad = () => {
scriptLoaded.value = true
resolve()
}
return
}
const script = document.createElement('script')
script.src = 'https://challenges.cloudflare.com/turnstile/v0/api.js?onload=onTurnstileLoad'
script.async = true
script.defer = true
window.onTurnstileLoad = () => {
scriptLoaded.value = true
resolve()
}
script.onerror = () => {
reject(new Error('Failed to load Turnstile script'))
}
document.head.appendChild(script)
})
}
const renderWidget = () => {
if (!window.turnstile || !containerRef.value || !props.siteKey) {
return
}
// Remove existing widget if any
if (widgetId.value) {
try {
window.turnstile.remove(widgetId.value)
} catch {
// Ignore errors when removing
}
widgetId.value = null
}
// Clear container
containerRef.value.innerHTML = ''
widgetId.value = window.turnstile.render(containerRef.value, {
sitekey: props.siteKey,
callback: (token: string) => {
emit('verify', token)
},
'expired-callback': () => {
emit('expire')
},
'error-callback': () => {
emit('error')
},
theme: props.theme,
size: props.size
})
}
const reset = () => {
if (window.turnstile && widgetId.value) {
window.turnstile.reset(widgetId.value)
}
}
// Expose reset method to parent
defineExpose({ reset })
onMounted(async () => {
if (!props.siteKey) {
return
}
try {
await loadScript()
renderWidget()
} catch (error) {
console.error('Failed to initialize Turnstile:', error)
emit('error')
}
})
onUnmounted(() => {
if (window.turnstile && widgetId.value) {
try {
window.turnstile.remove(widgetId.value)
} catch {
// Ignore errors when removing
}
}
})
// Re-render when siteKey changes
watch(
() => props.siteKey,
(newKey) => {
if (newKey && scriptLoaded.value) {
renderWidget()
}
}
)
</script>
<style scoped>
.turnstile-wrapper {
width: 100%;
}
.turnstile-container {
width: 100%;
min-height: 65px;
}
/* Make the Turnstile iframe fill the container width */
.turnstile-container :deep(iframe) {
width: 100% !important;
}
</style>
|