chore: lint on shadowing in non-test sources, fix a few of them

eslint.config.js

@@ -23,6 +23,8 @@ module.exports = {
           "leadingUnderscore": "require"
         }
     ],
+    "no-shadow": "off",
+    "@typescript-eslint/no-shadow": ["warn"],
     "@typescript-eslint/no-unused-vars": ["error", {"argsIgnorePattern": "^_", "args": "after-used"}],
     "@typescript-eslint/no-inferrable-types": ["error", { ignoreProperties: true }],
     "arrow-parens": ["error", "as-needed"],
@@ -43,7 +45,8 @@ module.exports = {
         "@typescript-eslint/no-empty-function": "off",
         "@typescript-eslint/no-explicit-any": "off",
         "@typescript-eslint/no-unused-vars": "off",
-        "@typescript-eslint/no-var-requires": "off"
+        "@typescript-eslint/no-var-requires": "off",
+        "@typescript-eslint/no-shadow": ["off"],
       }
     }
   ]

packages/opentelemetry-core/src/baggage/propagation/HttpBaggage.ts

@@ -88,11 +88,11 @@ export class HttpBaggage implements TextMapPropagator {
     pairs.forEach(entry => {
       const keyPair = this._parsePairKeyValue(entry);
       if (keyPair) {
-        const entry: BaggageEntry = { value: keyPair.value };
+        const baggageEntry: BaggageEntry = { value: keyPair.value };
         if (keyPair.metadata) {
-          entry.metadata = keyPair.metadata;
+          baggageEntry.metadata = keyPair.metadata;
         }
-        baggage[keyPair.key] = entry;
+        baggage[keyPair.key] = baggageEntry;
       }
     });
     if (Object.entries(baggage).length === 0) {

packages/opentelemetry-exporter-collector/src/platform/node/util.ts

@@ -54,17 +54,17 @@ export function sendWithHttp<ExportItem, ServiceRequest>(
   const request = parsedUrl.protocol === 'http:' ? http.request : https.request;
 
   const req = request(options, (res: http.IncomingMessage) => {
-    let data = '';
-    res.on('data', chunk => (data += chunk));
+    let responseData = '';
+    res.on('data', chunk => (responseData += chunk));
     res.on('end', () => {
       if (res.statusCode && res.statusCode < 299) {
-        diag.debug(`statusCode: ${res.statusCode}`, data);
+        diag.debug(`statusCode: ${res.statusCode}`, responseData);
         onSuccess();
       } else {
         const error = new collectorTypes.CollectorExporterError(
           res.statusMessage,
           res.statusCode,
-          data
+          responseData
         );
         onError(error);
       }

packages/opentelemetry-instrumentation-http/src/http.ts

@@ -294,11 +294,11 @@ export class HttpInstrumentation extends InstrumentationBase<Http> {
     request.on(
       'response',
       (response: http.IncomingMessage & { aborted?: boolean }) => {
-        const attributes = utils.getOutgoingRequestAttributesOnResponse(
+        const responseAttributes = utils.getOutgoingRequestAttributesOnResponse(
           response,
           { hostname }
         );
-        span.setAttributes(attributes);
+        span.setAttributes(responseAttributes);
         if (this._getConfig().responseHook) {
           this._callResponseHook(span, response);
         }

packages/opentelemetry-metrics/src/Meter.ts

@@ -284,11 +284,11 @@ export class Meter implements api.Meter {
     await Promise.all(observations);
 
     // after this all remaining metrics can be run
-    const metrics = Array.from(this._metrics.values()).map(metric => {
+    const metricsRecords = Array.from(this._metrics.values()).map(metric => {
       return metric.getMetricRecord();
     });
 
-    await Promise.all(metrics).then(records => {
+    await Promise.all(metricsRecords).then(records => {
       records.forEach(metrics => {
         metrics.forEach(metric => this._processor.process(metric));
       });

packages/opentelemetry-plugin-http/src/http.ts

@@ -197,11 +197,11 @@ export class HttpPlugin extends BasePlugin<Http> {
     request.on(
       'response',
       (response: IncomingMessage & { aborted?: boolean }) => {
-        const attributes = utils.getOutgoingRequestAttributesOnResponse(
+        const responseAttributes = utils.getOutgoingRequestAttributesOnResponse(
           response,
           { hostname }
         );
-        span.setAttributes(attributes);
+        span.setAttributes(responseAttributes);
         if (this._config.responseHook) {
           this._callResponseHook(span, response);
         }