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Error instantiating a Kafka client with the Bun runtime #264

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Labels
enhancementNew feature or request
@arcoraven

Description

Environment Information

  • OS: MacOS 15.2, Linux x64
  • Bun version: 1.2.3 and 1.0.0
  • confluent-kafka-javascript version: 1.2.0 and 1.0.0

Steps to Reproduce
Trying to instantiate the KafkaJS client with the Bun runtime throws an error.

index.ts:

import { KafkaJS } from "@confluentinc/kafka-javascript";
new KafkaJS.Kafka({});

Running it with bun run index.ts:

$ bun run index.ts
107 | return opts[p] || p;
108 | })
109 | );
110 | tries.push(n);
111 | try {
112 | b = opts.path ? requireFunc.resolve(n) : requireFunc(n);
 ^
error: The module 'kafka' was compiled against a different Node.js ABI version using NODE_MODULE_VERSION 108. This version of Bun requires NODE_MODULE_VERSION 127. Please try re-compiling or re-installing the module.
 at bindings (/Users/arcoraven/bun-example/node_modules/bindings/bindings.js:112:48)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/librdkafka.js:10:5)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/client.js:15:5)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/kafka-consumer.js:14:5)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/rdkafka.js:11:5)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/kafkajs/_producer.js:1:7)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/kafkajs/_kafka.js:1:19)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/kafkajs/index.js:5:8)
 at <anonymous> (/Users/arcoraven/bun-example/node_modules/@confluentinc/kafka-javascript/lib/index.js:1:5)
Bun v1.2.3 (macOS arm64)

Does this library depend on Node.js-specific APIs or V8 engine features that aren't yet implemented in Bun's runtime?

confluent-kafka-javascript Configuration Settings
N/A

Additional context

package.json:

{
 "name": "bun-example",
 "module": "index.ts",
 "type": "module",
 "private": true,
 "devDependencies": {
 "@types/bun": "latest"
 },
 "peerDependencies": {
 "typescript": "^5"
 },
 "dependencies": {
 "@confluentinc/kafka-javascript": "1.2.0"
 },
 "trustedDependencies": [
 "@confluentinc/kafka-javascript"
 ]
}

tsconfig.json:

{
 "compilerOptions": {
 // Enable latest features
 "lib": ["ESNext", "DOM"],
 "target": "ESNext",
 "module": "ESNext",
 "moduleDetection": "force",
 "jsx": "react-jsx",
 "allowJs": true,
 // Bundler mode
 "moduleResolution": "bundler",
 "allowImportingTsExtensions": true,
 "verbatimModuleSyntax": true,
 "noEmit": true,
 // Best practices
 "strict": true,
 "skipLibCheck": true,
 "noFallthroughCasesInSwitch": true,
 // Some stricter flags (disabled by default)
 "noUnusedLocals": false,
 "noUnusedParameters": false,
 "noPropertyAccessFromIndexSignature": false
 }
}

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