chore: Semantic Conventions export individual strings (#4298)

* chore: Semantic Conventions export individual strings

* Reduce to just emit full strings and add size-limit test output to review the results

* Update generation to use createConstMap for enums where possible

* Move changelog back to Unreleased -- merge shifted it

---------

Co-authored-by: Marc Pichler <marc.pichler@dynatrace.com>

CHANGELOG.md

@@ -14,6 +14,7 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 * feat(sdk-metrics): allow single bucket histograms [#4456](https://github.com/open-telemetry/opentelemetry-js/pull/4456) @pichlermarc
 * feat(instrumentation): Make `init()` method public [#4418](https://github.com/open-telemetry/opentelemetry-js/pull/4418)
 * feat(context-zone-peer-dep, context-zone): support zone.js 0.13.x, 0.14.x [#4469](https://github.com/open-telemetry/opentelemetry-js/pull/4469) @pichlermarc
+* chore: Semantic Conventions export individual strings [4185](https://github.com/open-telemetry/opentelemetry-js/issues/4185)
 
 ### :bug: (Bug Fix)
 

experimental/packages/opentelemetry-sdk-node/test/util/resource-assertions.ts

@@ -17,7 +17,12 @@
 import { SDK_INFO } from '@opentelemetry/core';
 import * as assert from 'assert';
 import { IResource, Resource } from '@opentelemetry/resources';
-import { SemanticResourceAttributes } from '@opentelemetry/semantic-conventions';
+import {
+  SEMRESATTRS_TELEMETRY_SDK_LANGUAGE,
+  SEMRESATTRS_TELEMETRY_SDK_NAME,
+  SEMRESATTRS_TELEMETRY_SDK_VERSION,
+  SemanticResourceAttributes,
+} from '@opentelemetry/semantic-conventions';
 
 /**
  * Test utility method to validate a cloud resource
@@ -199,9 +204,9 @@ export const assertTelemetrySDKResource = (
   }
 ) => {
   const defaults = {
-    name: SDK_INFO.NAME,
-    language: SDK_INFO.LANGUAGE,
-    version: SDK_INFO.VERSION,
+    name: SDK_INFO[SEMRESATTRS_TELEMETRY_SDK_NAME],
+    language: SDK_INFO[SEMRESATTRS_TELEMETRY_SDK_LANGUAGE],
+    version: SDK_INFO[SEMRESATTRS_TELEMETRY_SDK_VERSION],
   };
   validations = { ...defaults, ...validations };
 
@@ -317,14 +322,17 @@ const assertHasOneLabel = (prefix: string, resource: Resource): void => {
 
   assert.ok(
     hasOne,
-    'Resource must have one of the following attributes: ' +
+    'Must have one node Resource(s) starting with [' +
+      prefix +
+      '] matching the following attributes: ' +
       Object.entries(SemanticResourceAttributes)
         .reduce((result, [key, value]) => {
           if (key.startsWith(prefix)) {
             result.push(value);
           }
           return result;
         })
-        .join(', ')
+        .join(', ') +
+      JSON.stringify(Object.keys(SemanticResourceAttributes))
   );
 };