ci: add mac to CI

.github/workflows/tests-pr.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-18.04]
+        os: [ubuntu-18.04, macos-latest]
     runs-on: ${{ matrix.os }}
 
     steps:

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-18.04]
+        os: [ubuntu-18.04, macos-latest]
     runs-on: ${{ matrix.os }}
 
     steps:

README.md

@@ -21,23 +21,23 @@ git submodule init
 git submodule update
 ```
 
-Now you can build & test with yarn:
+Now you can build & test with `npm`:
 
 ```sh
-yarn && yarn build && yarn test
+npm i && npm run build && npm run test
 ```
 
 To run examples:
 
 ```sh
-yarn examples
+npm run examples
 ```
 
 To build/test individual package:
 
 ```sh
-yarn bazel build //packages/react-intl
-yarn bazel test //packages/react-intl
+bazel build //packages/react-intl
+bazel test //packages/react-intl
 ```
 
 Releases can be done with the following steps (**must use `npm`**):

WORKSPACE

@@ -43,7 +43,7 @@ http_archive(
     urls = ["https://data.iana.org/time-zones/releases/tzcode%s.tar.gz" % IANA_TZ_VERSION],
 )
 
-load("@build_bazel_rules_nodejs//:index.bzl", "node_repositories", "yarn_install")
+load("@build_bazel_rules_nodejs//:index.bzl", "node_repositories", "npm_install")
 
 node_repositories(
     node_version = "14.9.0",
@@ -81,14 +81,14 @@ http_archive(
     ],
 )
 
-# The yarn_install rule runs yarn anytime the package.json or yarn.lock file changes.
+# The npm_install rule runs yarn anytime the package.json or yarn.lock file changes.
 # It also extracts and installs any Bazel rules distributed in an npm package.
 
-yarn_install(
+npm_install(
     # Name this npm so that Bazel Label references look like @npm//package
     name = "npm",
     package_json = "//:package.json",
-    yarn_lock = "//:yarn.lock",
+    package_lock_json = "//:package-lock.json",
 )
 
 # Setup skylib