chore(examples): lint examples/grpc-census-prop using shared top-level eslint config (#2900)

Refs: #2891

Author: trentm

examples/grpc-census-prop/.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/grpc-census-prop/.npmrc

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

examples/grpc-census-prop/capitalize_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';
 
 const api = require('@opentelemetry/api');
@@ -8,7 +24,10 @@ let tracer;
 if (censusTracer) {
   tracer = require('./tracer_census')();
 } else {
-  tracer = require('./tracer')('example-grpc-capitalize-client', binaryPropagator);
+  tracer = require('./tracer')(
+    'example-grpc-capitalize-client',
+    binaryPropagator
+  );
 }
 
 const path = require('path');
@@ -27,7 +46,7 @@ const { Fetch } = grpc.load(PROTO_PATH).rpc;
 function main() {
   const client = new Fetch(
     'localhost:50051',
-    grpc.credentials.createInsecure(),
+    grpc.credentials.createInsecure()
   );
   const data = process.argv[2] || 'opentelemetry';
   console.log('> ', data);
@@ -41,15 +60,19 @@ 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);
 }
 
 /**
  * Makes the gRPC call wrapped in an OpenCensus-style span
  */
 function capitalizeWithCensusTracing(client, data) {
-  tracer.startRootSpan({ name: 'tutorialsClient.capitalize' }, (rootSpan) => {
+  tracer.startRootSpan({ name: 'tutorialsClient.capitalize' }, rootSpan => {
     client.capitalize({ data: Buffer.from(data) }, (err, response) => {
       if (err) {
         console.log('could not get grpc response');

examples/grpc-census-prop/capitalize_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 global-require */
@@ -10,7 +26,10 @@ if (censusTracer) {
   tracer = require('./tracer_census')();
   ({ SpanKind } = require('@opencensus/core'));
 } else {
-  tracer = require('./tracer')('example-grpc-capitalize-server', binaryPropagator);
+  tracer = require('./tracer')(
+    'example-grpc-capitalize-server',
+    binaryPropagator
+  );
   ({ SpanKind } = require('@opentelemetry/api'));
 }
 
@@ -20,7 +39,10 @@ const protoLoader = require('@grpc/proto-loader');
 
 const PROTO_PATH = path.join(__dirname, 'protos/defs.proto');
 const PROTO_OPTIONS = {
-  keepCase: true, enums: String, defaults: true, oneofs: true,
+  keepCase: true,
+  enums: String,
+  defaults: true,
+  oneofs: true,
 };
 const definition = protoLoader.loadSync(PROTO_PATH, PROTO_OPTIONS);
 const rpcProto = grpc.loadPackageDefinition(definition).rpc;

examples/grpc-census-prop/package.json

@@ -4,6 +4,8 @@
   "description": "Example of using propagator-grpc-census-binary",
   "main": "index.js",
   "scripts": {
+    "lint": "eslint . --ext=ts,js,mjs",
+    "lint:fix": "eslint . --ext=ts,js,mjs --fix",
     "server:otel:defprop": "cross-env node ./capitalize_server.js",
     "server:otel:binprop": "cross-env BINARY_PROPAGATOR=true node ./capitalize_server.js",
     "server:census": "cross-env CENSUS_TRACER=true node ./capitalize_server.js",

examples/grpc-census-prop/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 opentelemetry = require('@opentelemetry/api');
 const { NodeTracerProvider } = require('@opentelemetry/sdk-trace-node');
-const { SimpleSpanProcessor, ConsoleSpanExporter } = require('@opentelemetry/sdk-trace-base');
+const {
+  SimpleSpanProcessor,
+  ConsoleSpanExporter,
+} = require('@opentelemetry/sdk-trace-base');
 const { HttpTraceContextPropagator } = require('@opentelemetry/core');
-const { GrpcCensusPropagator } = require('@opentelemetry/propagator-grpc-census-binary');
+const {
+  GrpcCensusPropagator,
+} = require('@opentelemetry/propagator-grpc-census-binary');
 const { registerInstrumentations } = require('@opentelemetry/instrumentation');
 const { GrpcInstrumentation } = require('@opentelemetry/instrumentation-grpc');
 
@@ -33,9 +54,7 @@ module.exports = (serviceName, binaryPropagator) => {
   }
 
   registerInstrumentations({
-    instrumentations: [
-      new GrpcInstrumentation(),
-    ],
+    instrumentations: [new GrpcInstrumentation()],
   });
 
   return opentelemetry.trace.getTracer(serviceName);

examples/grpc-census-prop/tracer_census.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';
 
 const tracing = require('@opencensus/nodejs');
@@ -13,7 +29,6 @@ const defaultBufferConfig = {
  */
 module.exports = () => {
   const { tracer } = tracing.start({
-
     samplingRate: 1,
     plugins: {
       grpc: '@opencensus/instrumentation-grpc',