1 files changed, 27 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Int16.sys.mjs b/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Int16.sys.mjs
new file mode 100644
index 0000000000..63c26bce8a
--- /dev/null
+++ b/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Int16.sys.mjs
@@ -0,0 +1,27 @@
+// Export the FFIConverter object to make external types work.
+export class {{ ffi_converter }} extends FfiConverter {
+    static checkType(value) {
+        super.checkType(value);
+        if (!Number.isInteger(value)) {
+            throw new UniFFITypeError(`${value} is not an integer`);
+        }
+        if (value < -32768 || value > 32767) {
+            throw new UniFFITypeError(`${value} exceeds the I16 bounds`);
+        }
+    }
+    static computeSize() {
+        return 2;
+    }
+    static lift(value) {
+        return value;
+    }
+    static lower(value) {
+        return value;
+    }
+    static write(dataStream, value) {
+        dataStream.writeInt16(value)
+    }
+    static read(dataStream) {
+        return dataStream.readInt16()
+    }
+}