feat(github-actions): create a unified status action (#912)

Create a github action which tracks all of the statuses on a pull request to create a unified status value.

PR Close #912

.prettierignore

@@ -5,6 +5,7 @@ ng-dev/utils/protos/*.js
 
 github-actions/create-pr-for-changes/main.js
 github-actions/feature-request/main.js
+github-actions/unified-status-check/main.js
 github-actions/google-internal-tests/main.js
 github-actions/lock-closed/main.js
 github-actions/commit-message-based-labels/main.js

github-actions/unified-status-check/BUILD.bazel

@@ -0,0 +1,29 @@
+load("//tools:defaults.bzl", "esbuild_checked_in", "ts_library")
+
+package(default_visibility = ["//github-actions/unified-status-check:__subpackages__"])
+
+ts_library(
+    name = "unified-status-check",
+    srcs = glob(
+        ["src/*.ts"],
+    ),
+    deps = [
+        "//github-actions:utils",
+        "@npm//@actions/core",
+        "@npm//@actions/github",
+        "@npm//@octokit/graphql-schema",
+        "@npm//@octokit/rest",
+        "@npm//@octokit/types",
+        "@npm//@types/node",
+        "@npm//typed-graphqlify",
+    ],
+)
+
+esbuild_checked_in(
+    name = "main",
+    entry_point = ":src/main.ts",
+    target = "node16",
+    deps = [
+        ":unified-status-check",
+    ],
+)

github-actions/unified-status-check/action.yml

@@ -0,0 +1,17 @@
+name: 'Unified Status Check'
+description: 'Monitor the statuses on a pull request to ensure all expected statuses are passing'
+author: 'Angular'
+inputs:
+  angular-robot-key:
+    description: 'The private key for the Angular Robot Github app.'
+    required: true
+  ignored:
+    description: 'Status matchers (string or regex) to be ignored.'
+    required: false
+  required:
+    description: 'Status matchers (string or regex) required to match at least one status.'
+    required: false
+
+runs:
+  using: 'node16'
+  main: 'main.js'