1 files changed, 35 insertions, 0 deletions
diff --git a/src/tools/qr-code-generator/useQRCode.ts b/src/tools/qr-code-generator/useQRCode.ts
new file mode 100644
index 0000000..c706d0d
--- /dev/null
+++ b/src/tools/qr-code-generator/useQRCode.ts
@@ -0,0 +1,35 @@
+import QRCode, { type QRCodeErrorCorrectionLevel, type QRCodeToDataURLOptions } from 'qrcode';
+import { ref, watch, type Ref } from 'vue';
+
+export function useQRCode({
+  text,
+  color: { background, foreground },
+  errorCorrectionLevel,
+  options,
+}: {
+  text: Ref<string>;
+  color: { foreground: Ref<string>; background: Ref<string> };
+  errorCorrectionLevel: Ref<QRCodeErrorCorrectionLevel>;
+  options?: QRCodeToDataURLOptions;
+}) {
+  const qrcode = ref('');
+
+  watch(
+    [text, background, foreground, errorCorrectionLevel],
+    async () => {
+      if (text.value)
+        qrcode.value = await QRCode.toDataURL(text.value, {
+          color: {
+            dark: foreground.value,
+            light: background.value,
+            ...options?.color,
+          },
+          errorCorrectionLevel: errorCorrectionLevel.value,
+          ...options,
+        });
+    },
+    { immediate: true }
+  );
+
+  return { qrcode };
+}