1 files changed, 71 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-bindgen-gecko-js/mach_commands.py b/toolkit/components/uniffi-bindgen-gecko-js/mach_commands.py
new file mode 100644
index 0000000000..95584e705c
--- /dev/null
+++ b/toolkit/components/uniffi-bindgen-gecko-js/mach_commands.py
@@ -0,0 +1,71 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import subprocess
+
+from mach.decorators import Command, SubCommand
+
+CPP_PATH = "toolkit/components/uniffi-js/UniFFIGeneratedScaffolding.cpp"
+JS_DIR = "toolkit/components/uniffi-bindgen-gecko-js/components/generated"
+FIXTURE_CPP_PATH = "toolkit/components/uniffi-js/UniFFIFixtureScaffolding.cpp"
+FIXTURE_JS_DIR = "toolkit/components/uniffi-bindgen-gecko-js/fixtures/generated"
+
+
+def build_uniffi_bindgen_gecko_js(command_context):
+    uniffi_root = crate_root(command_context)
+    print("Building uniffi-bindgen-gecko-js")
+    cmdline = [
+        "cargo",
+        "build",
+        "--release",
+        "--manifest-path",
+        os.path.join(command_context.topsrcdir, "Cargo.toml"),
+        "--package",
+        "uniffi-bindgen-gecko-js",
+    ]
+    subprocess.check_call(cmdline, cwd=uniffi_root)
+    print()
+    return os.path.join(
+        command_context.topsrcdir, "target", "release", "uniffi-bindgen-gecko-js"
+    )
+
+
+@Command(
+    "uniffi",
+    category="devenv",
+    description="Generate JS bindings using uniffi-bindgen-gecko-js",
+)
+def uniffi(command_context, *runargs, **lintargs):
+    """Run uniffi."""
+    command_context._sub_mach(["help", "uniffi"])
+    return 1
+
+
+@SubCommand(
+    "uniffi",
+    "generate",
+    description="Generate/regenerate bindings",
+)
+def generate_command(command_context):
+    binary_path = build_uniffi_bindgen_gecko_js(command_context)
+    cmdline = [
+        binary_path,
+        "--js-dir",
+        JS_DIR,
+        "--fixture-js-dir",
+        FIXTURE_JS_DIR,
+        "--cpp-path",
+        CPP_PATH,
+        "--fixture-cpp-path",
+        FIXTURE_CPP_PATH,
+    ]
+    subprocess.check_call(cmdline, cwd=command_context.topsrcdir)
+    return 0
+
+
+def crate_root(command_context):
+    return os.path.join(
+        command_context.topsrcdir, "toolkit", "components", "uniffi-bindgen-gecko-js"
+    )