Remove axios

.github/workflows/ci.yml

@@ -1,6 +1,5 @@
 on:
   push:
-    branches: [main]
   pull_request:
 name: ci
 jobs:
@@ -11,7 +10,7 @@ jobs:
         node: [18, 20]
         include:
           # use latest npm by default
-          - npm-version: latest
+          - npm-version: 10.9.2
     steps:
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
       - uses: actions/setup-node@64ed1c7eab4cce3362f8c340dee64e5eaeef8f7c # v3.6.0
@@ -21,4 +20,4 @@ jobs:
       - name: Upgrade to latest npm to support lockfile v2
         run: npm install -g npm@${{ matrix.npm-version }}
       - run: npm install && npm install
-      - run: npm run test
+      - run: npm run test

packages/synthetics-sdk-api/package.json

@@ -43,8 +43,7 @@
     "error-stack-parser": "2.1.4",
     "google-auth-library": "9.0.0",
     "ts-proto": "1.148.1",
-    "winston": "3.10.0",
-    "axios": "1.6.7"
+    "winston": "3.10.0"
   },
   "author": "Google Inc.",
   "license": "Apache-2.0"

packages/synthetics-sdk-api/src/cloud_region_resolver.ts

@@ -12,10 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import axios, { AxiosResponse } from 'axios';
-
 /**
- *
  * @public
  *
  * Retrieves the region in which the current Google Cloud Function (v2) is
@@ -24,24 +21,28 @@ import axios, { AxiosResponse } from 'axios';
 export async function getExecutionRegion(): Promise<string | null> {
   const metadataServerUrl =
     'http://metadata.google.internal/computeMetadata/v1/instance/region';
-  const headers = { 'Metadata-Flavor': 'Google' };
+  const options = {
+    headers: {
+      'Metadata-Flavor': 'Google',
+    },
+  };
 
   try {
-    const response: AxiosResponse = await axios.get(metadataServerUrl, {
-      headers,
-    });
+    const response = await fetch(metadataServerUrl, options);
+
+    if (!response.ok) {
+      throw new Error(`Request failed with status ${response.status}`);
+    }
+
+    const body = await response.text();
 
     // Extract region from the response (e.g., 'us-east1')
-    const regions = response.data.split('/');
+    const regions = body.split('/');
     const region = regions[regions.length - 1];
 
     return region;
   } catch (error) {
-    if (axios.isAxiosError(error)) {
-      console.error('Error fetching region from metadata server:', error);
-    } else {
-      console.error('Unexpected error:', error);
-    }
+    console.error('Error fetching region from metadata server:', error);
   }
 
   return null;

packages/synthetics-sdk-api/test/unit/cloud_region_resolver.spec.ts

@@ -12,34 +12,38 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-import axios from 'axios';
 import * as sinon from 'sinon';
 import { expect } from 'chai';
 import { getExecutionRegion } from '../../src/cloud_region_resolver';
 
-describe('getExecutionRegion', () => {
-  let axiosGetStub: sinon.SinonStub;
+describe('getExecutionRegion (with fetch)', () => {
+  let fetchStub: sinon.SinonStub;
 
   beforeEach(() => {
-    axiosGetStub = sinon.stub(axios, 'get');
+    fetchStub = sinon.stub(global, 'fetch');
   });
 
   afterEach(() => {
-    axiosGetStub.restore();
+    fetchStub.restore();
   });
 
   it('should retrieve the region from the metadata server', async () => {
-    axiosGetStub.resolves({ data: 'projects/123456789/regions/us-east1' });
+    const mockResponse = {
+      ok: true,
+      text: () => Promise.resolve('projects/123456789/regions/us-east1'),
+    };
+    fetchStub.resolves(mockResponse as any);
 
     const region = await getExecutionRegion();
     expect(region).to.equal('us-east1');
-    expect(axiosGetStub.calledOnce).to.be.true;
+    expect(fetchStub.calledOnce).to.be.true;
   });
 
   it('should handle errors from the metadata server', async () => {
-    axiosGetStub.rejects(new Error('Metadata server error'));
+    fetchStub.rejects(new Error('Network error'));
 
     const region = await getExecutionRegion();
+
     expect(region).to.be.null;
   });
 });

packages/synthetics-sdk-api/tsconfig.json

@@ -7,7 +7,8 @@
         "composite": true,
         "resolveJsonModule": true,
         "esModuleInterop": true,
-        "module": "commonjs"
+        "module": "commonjs",
+        "lib": ["es2020", "dom"]
     },
     "include": [
         "src/**/*",

tsconfig.base.json

@@ -1,3 +1,3 @@
 {
     "extends": "./node_modules/gts/tsconfig-google.json"
-}
+}