Add JavaScript/TypeScript wrapper for VesselFinder Container Tracking API

[Copilot]

Adds a new packages/container-tracking-api-wrapper package implementing the VesselFinder Container Tracking API (GET /container/{apiKey}/{containerNumber}/{sealine}) in TypeScript, equivalent to the existing Python and PHP wrappers.

Core implementation

• ContainerTrackingApi class initialized with an API key
• ISO 6346 container number validation: length, regex (\w{3}[UJZR]\d{7}), and check-digit
• Sealine (SCAC) validation: 2–4 chars
• container(containerNumber, sealine?, timeout?) method with two modes:
  • Single-shot (timeout=0|null): one request, returns raw body
  • Polling (timeout≥10): retries every 10 s until HTTP status ≠ 202; throws Request timed out. when exhausted

const api = new ContainerTrackingApi('YOUR_API_KEY');

// Single-shot
const result = await api.container('MEDU6965343', undefined, 0);

// Polling with 2-minute timeout
const result = await api.container('MEDU6965343', 'MSCU', 120);

Package structure

• src/ContainerTrackingApi.ts — main class
• src/index.ts — public exports
• __tests__/ContainerTrackingApi.test.ts — 18 unit tests covering validation, single-shot, polling, timeout, and URL construction

[vercel]

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Project	Deployment	Actions	Updated (UTC)
expo	Error		Apr 9, 2026 10:41pm