chore(examples): lint examples/meta-node using shared top-level eslint config (#2905)

Refs: #2891

Author: trentm

examples/meta-node/.eslintrc.js

@@ -0,0 +1,26 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+
+const baseConfig = require('../../eslint.config');
+
+module.exports = {
+  ...baseConfig,
+  env: {
+    node: true,
+  },
+};

examples/meta-node/.npmrc

@@ -0,0 +1 @@
+package-lock=false

examples/meta-node/client.js

@@ -1,3 +1,19 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 'use strict';
 
 // eslint-disable-next-line import/order
@@ -19,8 +35,12 @@ function makeRequest() {
       span.setStatus({ code: api.SpanStatusCode.ERROR, message: e.message });
     }
     span.end();
-    console.log('Sleeping 5 seconds before shutdown to ensure all records are flushed.');
-    setTimeout(() => { console.log('Completed.'); }, 5000);
+    console.log(
+      'Sleeping 5 seconds before shutdown to ensure all records are flushed.'
+    );
+    setTimeout(() => {
+      console.log('Completed.');
+    }, 5000);
   });
 }
 

examples/meta-node/package.json

@@ -5,8 +5,8 @@
   "description": "Example of using meta package for default auto instrumentations in node",
   "main": "index.js",
   "scripts": {
-    "lint": "eslint . --ext .js",
-    "lint:fix": "eslint . --ext .js --fix",
+    "lint": "eslint . --ext=ts,js,mjs",
+    "lint:fix": "eslint . --ext=ts,js,mjs --fix",
     "zipkin:server": "cross-env EXPORTER=zipkin node ./server.js",
     "zipkin:client": "cross-env EXPORTER=zipkin node ./client.js"
   },
@@ -31,8 +31,7 @@
   },
   "homepage": "https://github.com/open-telemetry/opentelemetry-js-contrib#readme",
   "devDependencies": {
-    "cross-env": "^6.0.0",
-    "eslint": "^7.4.0"
+    "cross-env": "^6.0.0"
   },
   "dependencies": {
     "@opentelemetry/api": "^1.0.2",

examples/meta-node/server.js

@@ -1,3 +1,19 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 'use strict';
 
 // eslint-disable-next-line
@@ -35,16 +51,18 @@ async function setupRoutes() {
   app.use(express.json());
 
   app.get('/run_test', async (req, res) => {
-    const createdCat = await axios.post(`http://localhost:${PORT}/cats`, {
-      name: 'Tom',
-      friends: [
-        'Jerry',
-      ],
-    }, {
-      headers: {
-        Authorization: 'secret_token',
+    const createdCat = await axios.post(
+      `http://localhost:${PORT}/cats`,
+      {
+        name: 'Tom',
+        friends: ['Jerry'],
       },
-    });
+      {
+        headers: {
+          Authorization: 'secret_token',
+        },
+      }
+    );
 
     return res.status(201).send(createdCat.data);
   });

examples/meta-node/tracer.js

@@ -1,10 +1,31 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 'use strict';
 
 const {
-  diag, trace, DiagConsoleLogger, DiagLogLevel,
+  diag,
+  trace,
+  DiagConsoleLogger,
+  DiagLogLevel,
 } = require('@opentelemetry/api');
 const { NodeTracerProvider } = require('@opentelemetry/sdk-trace-node');
-const { getNodeAutoInstrumentations } = require('@opentelemetry/auto-instrumentations-node');
+const {
+  getNodeAutoInstrumentations,
+} = require('@opentelemetry/auto-instrumentations-node');
 const { CollectorTraceExporter } = require('@opentelemetry/exporter-collector');
 const { SimpleSpanProcessor } = require('@opentelemetry/sdk-trace-base');
 const { registerInstrumentations } = require('@opentelemetry/instrumentation');
@@ -18,17 +39,15 @@ module.exports = () => {
   });
 
   const provider = new NodeTracerProvider({
-    spanProcessors: [
-      new SimpleSpanProcessor(exporter),
-    ],
+    spanProcessors: [new SimpleSpanProcessor(exporter)],
   });
   provider.register();
 
   registerInstrumentations({
     instrumentations: [
       getNodeAutoInstrumentations({
         '@opentelemetry/instrumentation-http': {
-          applyCustomAttributesOnSpan: (span) => {
+          applyCustomAttributesOnSpan: span => {
             span.setAttribute('foo2', 'bar2');
           },
         },