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Distinguish ws package EventEmitter API and Buffer payloads from native WHATWG EventTarget WebSocket and string payloads in Node

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Distinguish ws package EventEmitter API and Buffer payloads from native WHATWG EventTarget WebSocket and string payloads in Node HOW

パッケージ

ws 8.21.3

環境

node

作成日

2026-08-14T22:43:45Z

コントラクト

• assert ws inherits from EventEmitter with .on() and .ping() while native WebSocket is an EventTarget without .on() or .ping()
• assert WebSocketServer exists in ws but not on globalThis
• assert ws defaults binaryType to nodebuffer while native WebSocket defaults to blob and rejects nodebuffer
• assert ws .on('message') yields a Buffer directly (data.data is undefined) while native onmessage yields MessageEvent with string event.data
• assert ws .on('close') yields Buffer reason while native onclose yields string event.reason

ファイル

• NOTES.md
• csx.json
• package-lock.json
• package.json
• test/contract.mjs

検証済みアーティファクトをダウンロード (tar.gz) — 契約が実行された正確なバイト列

オリジンシーダー

anonymous

検証レシート

• node 22 · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-14 · ed25519:ac1544ece1e22594