Add Yarn plugin for GAR authentication

.yarn/plugins/@sirensolutions/yarn-plugin-gar-auth.cjs

@@ -0,0 +1,25 @@
+module.exports = {
+  name: `gar-auth`,
+  factory: require => {
+    const util = require('util');
+    const exec = util.promisify(require('child_process').exec);
+    let cachedToken
+
+    async function getToken() {
+      if (!cachedToken) {
+        const {stdout} = await exec('gcloud auth print-access-token');
+        cachedToken = stdout.trim();
+      }
+      return cachedToken;
+    }
+
+    return {
+      default: {
+        hooks: {
+          validateProject: getToken,
+          getNpmAuthenticationHeader: async () => `Bearer ${await getToken()}`
+        }
+      }
+    };
+  }
+};

.yarnrc.yml

@@ -7,3 +7,8 @@ npmPublishRegistry: "https://europe-west1-npm.pkg.dev/siren-cicd/npm-standard/"
 npmScopes:
   antv:
     npmRegistryServer: "https://europe-west1-npm.pkg.dev/siren-cicd/npm-virtual/"
+
+plugins:
+  - checksum: 7a993ef2944928530db74ca2f844dc21324bdc768bb0744b772277b114f28da4625903f4109fc90f3de6621e97c646f8969167df3435ee7e443d79b8a4806a62
+    path: .yarn/plugins/@sirensolutions/yarn-plugin-gar-auth.cjs
+    spec: "@sirensolutions/yarn-plugin-gar-auth.cjs"

README.md

@@ -13,7 +13,6 @@
 To set up the repo, run the following commands:
 
 ```shell
-npm run auth
 yarn
 yarn bootstrap
 ```
@@ -22,7 +21,6 @@ To publish, run the following commands for the package you want to publish (`cor
 
 ```shell
 npm run build:all
-yarn auth
 cd packages/core # Or: element, plugin, pc, g6
 yarn npm publish
 ```

ci/Jenkinsfile

@@ -34,7 +34,6 @@ pipeline {
           sh("""
             set +x
             gcloud auth activate-service-account --key-file="${GCLOUD_KEY_FILE}"
-            npm run auth
             yarn
             """
           )

package.json

@@ -5,7 +5,6 @@
     "packages/*"
   ],
   "scripts": {
-    "auth": "yarn config set --home 'npmRegistries[\"https://europe-west1-npm.pkg.dev/siren-cicd/npm-virtual/\"].npmAuthToken' $(gcloud auth print-access-token) && yarn config set --home 'npmRegistries[\"https://europe-west1-npm.pkg.dev/siren-cicd/npm-standard/\"].npmAuthToken' $(gcloud auth print-access-token)",
     "build:demos": "cd ./packages/pc && npm run demos",
     "build:site": "cd ./packages/site && npm run site:build",
     "build:core": "cd ./packages/core && npm run build",