chore(examples): lint examples/ioredis using shared top-level eslint config (#2902)

Refs: #2891

Author: trentm

examples/ioredis/.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/ioredis/.npmrc

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

examples/ioredis/index.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';
 
 // Require tracer before any other modules
@@ -16,8 +32,12 @@ async function main() {
   // The process must live for at least the interval past any traces that
   // must be exported, or some risk being lost if they are recorded after the
   // last export.
-  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);
 }
 
 main();

examples/ioredis/package.json

@@ -5,6 +5,8 @@
   "description": "Example of HTTP integration with OpenTelemetry",
   "main": "index.js",
   "scripts": {
+    "lint": "eslint . --ext=ts,js,mjs",
+    "lint:fix": "eslint . --ext=ts,js,mjs --fix",
     "docker:start": "docker run -d -p 6379:6379 --name otjsredis redis:alpine",
     "docker:stop": "docker stop otjsredis && docker rm otjsredis",
     "start": "node index.js"

examples/ioredis/tracer.js

@@ -1,27 +1,41 @@
+/*
+ * 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 opentelemetry = require('@opentelemetry/api');
 const { NodeTracerProvider } = require('@opentelemetry/sdk-trace-node');
 const { SimpleSpanProcessor } = require('@opentelemetry/sdk-trace-base');
 const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
-const { IORedisInstrumentation } = require('@opentelemetry/instrumentation-ioredis');
+const {
+  IORedisInstrumentation,
+} = require('@opentelemetry/instrumentation-ioredis');
 const { registerInstrumentations } = require('@opentelemetry/instrumentation');
 
 const exporter = new JaegerExporter({ serviceName: 'ioredis-example' });
 
 const provider = new NodeTracerProvider({
-  spanProcessors: [
-    new SimpleSpanProcessor(exporter),
-  ],
+  spanProcessors: [new SimpleSpanProcessor(exporter)],
 });
 
 // Initialize the OpenTelemetry APIs to use the BasicTracer bindings
 provider.register();
 
 registerInstrumentations({
-  instrumentations: [
-    new IORedisInstrumentation(),
-  ],
+  instrumentations: [new IORedisInstrumentation()],
   tracerProvider: provider,
 });