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<template>
<div>
<span v-if="!available">{{ $t('waiting') }}<mk-ellipsis/></span>
<div ref="captcha"></div>
</div>
</template>
<script lang="ts">
import Vue from 'vue';
type Captcha = {
render(container: string | Node, options: {
readonly [_ in 'sitekey' | 'theme' | 'type' | 'size' | 'tabindex' | 'callback' | 'expired' | 'expired-callback' | 'error-callback' | 'endpoint']?: unknown;
}): string;
remove(id: string): void;
execute(id: string): void;
reset(id: string): void;
getResponse(id: string): string;
};
type CaptchaProvider = 'hcaptcha' | 'grecaptcha';
type CaptchaContainer = {
readonly [_ in CaptchaProvider]?: Captcha;
};
declare global {
interface Window extends CaptchaContainer {
}
}
export default Vue.extend({
props: {
provider: {
type: String,
required: true,
},
sitekey: {
type: String,
required: true,
},
value: {
type: String,
},
},
data() {
return {
available: false,
};
},
computed: {
loaded() {
return !!window[this.provider as CaptchaProvider];
},
src() {
const endpoint = ({
hcaptcha: 'https://hcaptcha.com/1',
grecaptcha: 'https://www.google.com/recaptcha',
} as Record<PropertyKey, unknown>)[this.provider];
return `${typeof endpoint == 'string' ? endpoint : 'about:invalid'}/api.js?render=explicit`;
},
captcha() {
return window[this.provider as CaptchaProvider] || {} as unknown as Captcha;
},
},
created() {
if (this.loaded) {
this.available = true;
} else {
(document.getElementById(this.provider) || document.head.appendChild(Object.assign(document.createElement('script'), {
async: true,
id: this.provider,
src: this.src,
})))
.addEventListener('load', () => this.available = true);
}
},
mounted() {
if (this.available) {
this.requestRender();
} else {
this.$watch('available', this.requestRender);
}
},
beforeDestroy() {
this.reset();
},
methods: {
reset() {
this.captcha?.reset();
},
requestRender() {
if (this.captcha.render && this.$refs.captcha instanceof Element) {
this.captcha.render(this.$refs.captcha, {
sitekey: this.sitekey,
theme: this.$store.state.device.darkMode ? 'dark' : 'light',
callback: this.callback,
'expired-callback': this.callback,
'error-callback': this.callback,
});
} else {
setTimeout(this.requestRender.bind(this), 1);
}
},
callback(response?: string) {
this.$emit('input', typeof response == 'string' ? response : null);
},
},
});
</script>
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