build!: update library to use Node 12

.github/.OwlBot.lock.yaml

@@ -13,5 +13,5 @@
 # limitations under the License.
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-nodejs:latest
-  digest: sha256:b9e4584a1fe3c749e3c37c92497b13dce653b2e694f0261f0610eb0e15941357
+  digest: sha256:079b0f3bd8427671745ec03a5179575b4c86a4e776fb6041427e553719c65c2b
 # created: 2022-05-05T21:08:42.530332893Z

.github/sync-repo-settings.yaml

@@ -9,9 +9,9 @@ branchProtectionRules:
       - "ci/kokoro: System test"
       - docs
       - lint
-      - test (10)
       - test (12)
       - test (14)
+      - test (16)
       - cla/google
       - windows
       - OwlBot Post Processor

.github/workflows/ci.yaml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [10, 12, 14]
+        node: [12, 14, 16]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3

owlbot.py

@@ -19,5 +19,3 @@
 common_templates = gcp.CommonTemplates()
 templates = common_templates.node_library()
 s.copy(templates)
-node.install()
-node.fix()

package.json

@@ -36,7 +36,7 @@
   "dependencies": {
     "extend": "^3.0.2",
     "gaxios": "^4.0.0",
-    "google-auth-library": "^7.14.0",
+    "google-auth-library": "^8.0.2",
     "qs": "^6.7.0",
     "url-template": "^2.0.8",
     "uuid": "^8.0.0"
@@ -58,7 +58,7 @@
     "c8": "^7.0.0",
     "codecov": "^3.5.0",
     "execa": "^5.0.0",
-    "gts": "^2.0.0",
+    "gts": "^3.1.0",
     "http2spy": "^2.0.0",
     "is-docker": "^2.0.0",
     "karma": "^6.0.0",
@@ -70,7 +70,7 @@
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^5.0.0",
     "linkinator": "^2.0.0",
-    "mocha": "^8.3.2",
+    "mocha": "^9.2.2",
     "mv": "^2.1.1",
     "ncp": "^2.0.0",
     "nock": "^13.0.0",
@@ -80,11 +80,11 @@
     "sinon": "^14.0.0",
     "tmp": "^0.2.0",
     "ts-loader": "^8.0.0",
-    "typescript": "^3.8.3",
+    "typescript": "^4.6.4",
     "webpack": "^5.30.0",
     "webpack-cli": "^4.0.0"
   },
   "engines": {
-    "node": ">=10.10.0"
+    "node": ">=12.0.0"
   }
 }

samples/package.json

@@ -3,7 +3,7 @@
   "license": "MIT",
   "author": "Google LLC",
   "engines": {
-    "node": ">=8"
+    "node": ">=12.0.0"
   },
   "files": [
     "*.js",
@@ -20,4 +20,4 @@
   "devDependencies": {
     "mocha": "^8.0.0"
   }
-}
+}

src/apiIndex.ts

@@ -36,7 +36,7 @@ export function getAPI<T>(
     return Object.freeze(ep) as T;
   } catch (e) {
     throw new Error(
-      `Unable to load endpoint ${api}("${version}"): ${e.message}`
+      `Unable to load endpoint ${api}("${version}"): ${(e as Error).message}`
     );
   }
 }

src/discovery.ts

@@ -116,7 +116,7 @@ export class Discovery {
                 'Unable to load endpoint %s("%s"): %s',
                 set.api.name,
                 version,
-                e.message
+                (e as Error).message
               )
             );
           }
@@ -134,7 +134,7 @@ export class Discovery {
    * @returns A promise that resolves with a function that creates the endpoint
    */
   async discoverAPI(
-    apiDiscoveryUrl: string | {url: string}
+    apiDiscoveryUrl: string | {url?: string}
   ): Promise<EndpointCreator> {
     if (typeof apiDiscoveryUrl === 'string') {
       const parts = resolve.parse(apiDiscoveryUrl);