1 files changed, 65 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Record.sys.mjs b/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Record.sys.mjs
new file mode 100644
index 0000000000..0dbb0e5800
--- /dev/null
+++ b/toolkit/components/uniffi-bindgen-gecko-js/src/templates/js/Record.sys.mjs
@@ -0,0 +1,65 @@
+{%- let record = ci.get_record_definition(name).unwrap() -%}
+export class {{ record.nm() }} {
+    constructor({{ record.constructor_field_list() }}) {
+        {%- for field in record.fields() %}
+        try {
+            {{ field.ffi_converter() }}.checkType({{ field.nm() }})
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart("{{ field.nm() }}");
+            }
+            throw e;
+        }
+        {%- endfor %}
+
+        {%- for field in record.fields() %}
+        this.{{field.nm()}} = {{ field.nm() }};
+        {%- endfor %}
+    }
+    equals(other) {
+        return (
+            {%- for field in record.fields() %}
+            {{ field.type_().equals("this.{}"|format(field.nm()), "other.{}"|format(field.nm())) }}{% if !loop.last %} &&{% endif %}
+            {%- endfor %}
+        )
+    }
+}
+
+// Export the FFIConverter object to make external types work.
+export class {{ ffi_converter }} extends FfiConverterArrayBuffer {
+    static read(dataStream) {
+        return new {{record.nm()}}(
+            {%- for field in record.fields() %}
+            {{ field.read_datastream_fn() }}(dataStream)
+            {%- if !loop.last %}, {% endif %}
+            {%- endfor %}
+        );
+    }
+    static write(dataStream, value) {
+        {%- for field in record.fields() %}
+        {{ field.write_datastream_fn() }}(dataStream, value.{{field.nm()}});
+        {%- endfor %}
+    }
+
+    static computeSize(value) {
+        let totalSize = 0;
+        {%- for field in record.fields() %}
+        totalSize += {{ field.ffi_converter() }}.computeSize(value.{{ field.nm() }});
+        {%- endfor %}
+        return totalSize
+    }
+
+    static checkType(value) {
+        super.checkType(value);
+        {%- for field in record.fields() %}
+        try {
+            {{ field.ffi_converter() }}.checkType(value.{{ field.nm() }});
+        } catch (e) {
+            if (e instanceof UniFFITypeError) {
+                e.addItemDescriptionPart(".{{ field.nm() }}");
+            }
+            throw e;
+        }
+        {%- endfor %}
+    }
+}