1 files changed, 27 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Sequence.jsm b/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Sequence.jsm
new file mode 100644
index 0000000000..ef5d5e59d1
--- /dev/null
+++ b/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Sequence.jsm
@@ -0,0 +1,27 @@
+class {{ ffi_converter }} extends FfiConverterArrayBuffer {
+    static read(dataStream) {
+        const len = dataStream.readInt32();
+        const arr = [];
+        for (let i = 0; i < len; i++) {
+            arr.push({{ inner.ffi_converter() }}.read(dataStream));
+        }
+        return arr;
+    }
+
+    static write(dataStream, value) {
+        dataStream.writeInt32(value.length);
+        value.forEach((innerValue) => {
+            {{ inner.ffi_converter() }}.write(dataStream, innerValue);
+        })
+    }
+
+    static computeSize(value) {
+        // The size of the length
+        let size = 4;
+        for (const innerValue of value) {
+            size += {{ inner.ffi_converter() }}.computeSize(innerValue);
+        }
+        return size;
+    }
+}
+