Detect duplicates in plugin names to avoid overrides

packages/factory/src/index.ts

@@ -23,10 +23,10 @@ import type {
 } from '@dd/core/types';
 import type { UnpluginContextMeta, UnpluginInstance, UnpluginOptions } from 'unplugin';
 import { createUnplugin } from 'unplugin';
+import chalk from 'chalk';
 
 import { getContext, getLoggerFactory, validateOptions } from './helpers';
 
-/* eslint-disable arca/import-ordering, arca/newline-after-import-section */
 // #imports-injection-marker
 import type { OptionsWithErrorTracking } from '@dd/error-tracking-plugin/types';
 import * as errorTracking from '@dd/error-tracking-plugin';
@@ -41,7 +41,6 @@ import { getInjectionPlugins } from '@dd/internal-injection-plugin';
 export type { types as ErrorTrackingTypes } from '@dd/error-tracking-plugin';
 export type { types as TelemetryTypes } from '@dd/telemetry-plugin';
 // #types-export-injection-marker
-/* eslint-enable arca/import-ordering, arca/newline-after-import-section */
 
 export const helpers = {
     // Each product should have a unique entry.
@@ -138,6 +137,18 @@ export const buildPluginFactory = ({
         // List all our plugins in the context.
         context.pluginNames.push(...plugins.map((plugin) => plugin.name));
 
+        // Verify we don't have plugins with the same name, as they would override each other.
+        const duplicates = new Set(
+            context.pluginNames.filter(
+                (name) => context.pluginNames.filter((n) => n === name).length > 1,
+            ),
+        );
+        if (duplicates.size > 0) {
+            throw new Error(
+                `Duplicate plugin names: ${chalk.bold.red(Array.from(duplicates).join(', '))}`,
+            );
+        }
+
         return plugins;
     });
 };