Feature/setup (#1)

* feat(setup): Initial commit

* feat(setup): Removed IDE files and added IDE files to gitignore file

* feat(setup): Changed URL for the repository in the package.json file

Author: jessekoerhuis

.gitignore

@@ -1,3 +1,5 @@
+.idea
+
 # Logs
 logs
 *.log

README.md

@@ -1,2 +1,3 @@
-# vue-barcode-scanner
+# vue-barcode-detector
+
 A barcode device detector for VueJS applications.

index.js

@@ -0,0 +1,89 @@
+/**
+ * Copyright (c) Jesse Koerhuis 2024.
+ *
+ * This code was written by Jesse Koerhuis. For more information, please refer to the LICENSE file distributed with this
+ * software. For more content, visit https://jessekoerhuis.nl/.
+ */
+
+import { onBeforeUnmount, ref } from 'vue';
+
+const keyboard = {
+    event: 'keydown',
+    key: {
+        enter: 'Enter',
+        shift: 'Shift',
+    },
+};
+
+const scannerConfig = {
+    timeout: 100,
+};
+
+export default function useBarcodeScanner() {
+    const barcode = ref ('');
+    const barcodeScannerInterval = ref();
+    const listeningActive = ref(false);
+    const onScanCallback = ref();
+
+    function _createScannedBarcodeData(barcodeValue) {
+        const date = new Date();
+
+        return {
+            timestamp: date.getTime(),
+            value: barcodeValue,
+        };
+    }
+
+    function _registerScannerInput(event) {
+        if (barcodeScannerInterval.value) {
+            clearInterval(barcodeScannerInterval.value);
+        }
+
+        if (event instanceof KeyboardEvent && event.code === keyboard.key.enter) {
+            if (barcode.value && onScanCallback.value) {
+                onScanCallback.value(
+                    _createScannedBarcodeData(barcode.value),
+                );
+            }
+
+            barcode.value = '';
+
+            return;
+        }
+
+        if (event instanceof KeyboardEvent && event.code !== keyboard.key.shift) {
+            barcode.value += event.key;
+        }
+
+        barcodeScannerInterval.value = setInterval(() => {
+            barcode.value = '';
+        }, scannerConfig.timeout);
+    }
+
+    function stopListening() {
+        listeningActive.value = false;
+
+        document.removeEventListener(keyboard.event, _registerScannerInput);
+
+        if (barcodeScannerInterval.value) {
+            clearInterval(barcodeScannerInterval.value);
+        }
+    }
+
+    function listen(callback) {
+        if (listeningActive.value) {
+            stopListening();
+        }
+
+        listeningActive.value = true;
+        onScanCallback.value = callback;
+
+        document.addEventListener(keyboard.event, _registerScannerInput);
+    }
+
+    onBeforeUnmount(() => {
+        stopListening();
+    });
+
+    return { barcode, listen, stopListening };
+}