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import { type MaybeRef, get } from '@vueuse/core';
import QRCode, { type QRCodeErrorCorrectionLevel, type QRCodeToDataURLOptions } from 'qrcode';
import { isRef, ref, watch } from 'vue';
export function useQRCode({
text,
color: { background, foreground },
errorCorrectionLevel,
options,
}: {
text: MaybeRef<string>
color: { foreground: MaybeRef<string>; background: MaybeRef<string> }
errorCorrectionLevel?: MaybeRef<QRCodeErrorCorrectionLevel>
options?: QRCodeToDataURLOptions
}) {
const qrcode = ref('');
watch(
[text, background, foreground, errorCorrectionLevel].filter(isRef),
async () => {
if (get(text)) {
qrcode.value = await QRCode.toDataURL(get(text).trim(), {
color: {
dark: get(foreground),
light: get(background),
...options?.color,
},
errorCorrectionLevel: get(errorCorrectionLevel) ?? 'M',
...options,
});
}
},
{ immediate: true },
);
return { qrcode };
}
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