Set up the Open Source build for MediaPipe Tasks Web

PiperOrigin-RevId: 486181061

WORKSPACE

@@ -501,5 +501,48 @@ libedgetpu_dependencies()
 load("@coral_crosstool//:configure.bzl", "cc_crosstool")
 cc_crosstool(name = "crosstool")
 
+
+# Node dependencies
+http_archive(
+    name = "build_bazel_rules_nodejs",
+    sha256 = "5aae76dced38f784b58d9776e4ab12278bc156a9ed2b1d9fcd3e39921dc88fda",
+    urls = ["https://github.com/bazelbuild/rules_nodejs/releases/download/5.7.1/rules_nodejs-5.7.1.tar.gz"],
+)
+
+load("@build_bazel_rules_nodejs//:repositories.bzl", "build_bazel_rules_nodejs_dependencies")
+build_bazel_rules_nodejs_dependencies()
+
+# fetches nodejs, npm, and yarn
+load("@build_bazel_rules_nodejs//:index.bzl", "node_repositories", "yarn_install")
+node_repositories()
+yarn_install(
+    name = "npm",
+    package_json = "//:package.json",
+    yarn_lock = "//:yarn.lock",
+)
+
+# Protobuf for Node dependencies
+http_archive(
+    name = "rules_proto_grpc",
+    sha256 = "bbe4db93499f5c9414926e46f9e35016999a4e9f6e3522482d3760dc61011070",
+    strip_prefix = "rules_proto_grpc-4.2.0",
+    urls = ["https://github.com/rules-proto-grpc/rules_proto_grpc/archive/4.2.0.tar.gz"],
+)
+
+http_archive(
+    name = "com_google_protobuf_javascript",
+    sha256 = "35bca1729532b0a77280bf28ab5937438e3dcccd6b31a282d9ae84c896b6f6e3",
+    strip_prefix = "protobuf-javascript-3.21.2",
+    urls = ["https://github.com/protocolbuffers/protobuf-javascript/archive/refs/tags/v3.21.2.tar.gz"],
+)
+
+load("@rules_proto_grpc//:repositories.bzl", "rules_proto_grpc_toolchains", "rules_proto_grpc_repos")
+rules_proto_grpc_toolchains()
+rules_proto_grpc_repos()
+
+load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
+rules_proto_dependencies()
+rules_proto_toolchains()
+
 load("//third_party:external_files.bzl", "external_files")
 external_files()