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@navelencia navelencia commented Nov 15, 2024

Hi! Opening this pull request hoping it can get merged.

Currently, the module doesn't output appLaunchURL despite accepting it in its interface. This fixes that with a very simple addition. Tested successfully with Wallet.

Summary by CodeRabbit

  • New Features

    • Added an optional app launch URL for passes.
    • Added optional NFC "requiresAuthentication" flag to control NFC behavior.
  • Chores

    • Added the yazl package and its type definitions.
  • Refactor

    • Zip creation updated to an asynchronous implementation for improved reliability.

…ance (#1)

* replace zip library for better perf

* revert prettier changes
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coderabbitai bot commented Aug 6, 2025

Walkthrough

Added the yazl package and its types; replaced synchronous zip creation with an asynchronous yazl implementation in Pass.asBuffer(). Introduced an optional appLaunchURL top-level field and exposed it on PassBase. Added requiresAuthentication?: boolean to NFC types and propagated it into NFCField.

Changes

Cohort / File(s) Change Summary
Dependency Updates
package.json
Added yazl (v3.3.1) to dependencies and @types/yazl (v3.3.0) to devDependencies.
Top-level Field Addition
src/constants.ts
Added optional appLaunchURL to TOP_LEVEL_FIELDS (required: false, type: 'string', templatable: true).
PassBase Enhancement
src/lib/base-pass.ts
Added appLaunchURL getter/setter on PassBase to read/write the new top-level field.
Zip Implementation Refactor
src/pass.ts
Replaced synchronous zipping with an async implementation using yazl (ZipFile + output stream → Buffer Promise); updated control flow and error handling.
NFC Interface Update
src/interfaces.ts
Added requiresAuthentication?: boolean to NFCDictionary interface.
NFC Field Implementation
src/lib/nfc-fields.ts
Added requiresAuthentication?: boolean to NFCField; constructor reads the value when provided and toJSON() includes it when set.

Sequence Diagram(s)

Asynchronous Zip Creation (yazl)

sequenceDiagram
    participant Pass
    participant ZipFile as YazlZipFile
    participant Stream as OutputStream
    participant Collector as BufferArray

    Pass->>ZipFile: new ZipFile()
    loop for each file
        Pass->>ZipFile: addBuffer(fileBuffer, fileName)
    end
    Pass->>ZipFile: end()
    ZipFile->>Stream: pipe outputStream (data chunks)
    Stream->>Collector: push(chunk)
    Stream-->>Pass: on 'end' -> concatenate chunks -> resolve(Buffer)
    Stream-->>Pass: on 'error' -> reject(Error)
Loading

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

  • Pay attention to async stream error handling in src/pass.ts.
  • Verify correct removal/setting behavior and typing of appLaunchURL in src/lib/base-pass.ts.
  • Confirm requiresAuthentication propagation and JSON serialization in src/lib/nfc-fields.ts matches the updated interface.

Poem

A rabbit taps keys beneath moonlight,
Zips files with care, making bytes take flight.
A launch URL peeks out to play,
NFC whispers "secure" today.
Hops of code—soft, quick, and bright. 🐇✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
✅ Passed checks (2 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check ✅ Passed The pull request title "Missing appLaunchURL mapping" directly aligns with the primary objective stated in the PR description: addressing the issue where the module accepts an appLaunchURL parameter in its interface but does not output it. The title is specific, concise (3 words), and clearly identifies the main change without vague language or unnecessary noise. While the changeset includes additional modifications such as the yazl library migration and requiresAuthentication field additions, the title appropriately focuses on the core stated objective of the PR, which is to enable the missing appLaunchURL mapping to be included in the module's output.
✨ Finishing touches
  • 📝 Generate docstrings
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment

📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between df28d07 and 9e129c5.

📒 Files selected for processing (2)
  • src/interfaces.ts (1 hunks)
  • src/lib/nfc-fields.ts (3 hunks)
🧰 Additional context used
🧬 Code graph analysis (1)
src/lib/nfc-fields.ts (1)
src/lib/pass-structure.ts (1)
  • nfc (118-124)
🔇 Additional comments (4)
src/interfaces.ts (1)

396-399: LGTM! Clean interface addition.

The requiresAuthentication field is properly documented and follows the existing pattern for optional fields in the NFCDictionary interface.

src/lib/nfc-fields.ts (3)

17-17: LGTM! Field declaration matches the interface.

The field is properly typed and consistent with the NFCDictionary interface definition.


38-39: LGTM! Proper type validation in constructor.

The type guard ensures only boolean values are assigned to requiresAuthentication, following the same pattern as encryptionPublicKey.


83-84: Verify serialization behavior for false values.

The truthy check if (this.requiresAuthentication) will omit the field from JSON output when explicitly set to false. This means only true values are serialized, while both undefined (not set) and false (explicitly set) are omitted.

If this is intentional (following Apple's convention of omitting false/default values), the current implementation is correct. However, if you need to distinguish between "not set" and "explicitly false", consider using:

-    if (this.requiresAuthentication)
+    if (this.requiresAuthentication !== undefined)
       res.requiresAuthentication = this.requiresAuthentication;

This would serialize both true and false values when explicitly set.


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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 84ddb92 and df28d07.

⛔ Files ignored due to path filters (1)
  • package-lock.json is excluded by !**/package-lock.json
📒 Files selected for processing (4)
  • package.json (2 hunks)
  • src/constants.ts (1 hunks)
  • src/lib/base-pass.ts (1 hunks)
  • src/pass.ts (2 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (1)
src/lib/base-pass.ts (1)
src/interfaces.ts (1)
  • ApplePass (442-449)
🔇 Additional comments (4)
package.json (1)

41-41: Approved: [email protected] and @types/[email protected] are up-to-date and secure

Verified that:

  • The latest yazl version on npm is 3.3.1
  • No moderate-or-above advisories reported by npm audit

Affected locations:

  • package.json (line 41) – "@types/yazl": "3.3.0"
  • package.json (lines 90–91) – [email protected] entry

The dependency additions are safe to merge.

src/constants.ts (1)

163-167: LGTM: Correct implementation of appLaunchURL field.

The appLaunchURL field is properly defined as an optional, templatable string field, which aligns with Apple's PassKit specification for companion app launch URLs.

src/lib/base-pass.ts (1)

194-207: LGTM: Well-implemented property accessor following established patterns.

The appLaunchURL property implementation is consistent with other string properties in the class. The JSDoc documentation clearly explains its relationship to associatedStoreIdentifiers, and the getter/setter logic properly handles null/undefined values.

src/pass.ts (1)

5-5: LGTM: Appropriate import change for async zip creation.

The switch from do-not-zip to yazl enables asynchronous zip file creation, which is better for performance and non-blocking operation.

Comment on lines +117 to +137
return new Promise<Buffer>((resolve, reject) => {
const yazlZip = new ZipFile();

for (const { path, data } of zip) {
if (Buffer.isBuffer(data)) {
yazlZip.addBuffer(data, path);
} else {
yazlZip.addBuffer(Buffer.from(data), path);
}
}

yazlZip.end();
const chunks: Buffer[] = [];
yazlZip.outputStream.on('data', (chunk: Buffer) => {
chunks.push(chunk);
});
yazlZip.outputStream.on('end', () => {
resolve(Buffer.concat((chunks as unknown) as Uint8Array[]));
});
yazlZip.outputStream.on('error', reject);
});
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🛠️ Refactor suggestion

Fix unnecessary type assertion and improve code clarity.

The async zip creation logic is correct, but there's an unnecessary type assertion that could be simplified.

Apply this diff to fix the type assertion:

-        resolve(Buffer.concat((chunks as unknown) as Uint8Array[]));
+        resolve(Buffer.concat(chunks));

The chunks array is already typed as Buffer[], and Buffer.concat() accepts Buffer[] | Uint8Array[], so the type assertion is unnecessary and makes the code less readable.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
return new Promise<Buffer>((resolve, reject) => {
const yazlZip = new ZipFile();
for (const { path, data } of zip) {
if (Buffer.isBuffer(data)) {
yazlZip.addBuffer(data, path);
} else {
yazlZip.addBuffer(Buffer.from(data), path);
}
}
yazlZip.end();
const chunks: Buffer[] = [];
yazlZip.outputStream.on('data', (chunk: Buffer) => {
chunks.push(chunk);
});
yazlZip.outputStream.on('end', () => {
resolve(Buffer.concat((chunks as unknown) as Uint8Array[]));
});
yazlZip.outputStream.on('error', reject);
});
return new Promise<Buffer>((resolve, reject) => {
const yazlZip = new ZipFile();
for (const { path, data } of zip) {
if (Buffer.isBuffer(data)) {
yazlZip.addBuffer(data, path);
} else {
yazlZip.addBuffer(Buffer.from(data), path);
}
}
yazlZip.end();
const chunks: Buffer[] = [];
yazlZip.outputStream.on('data', (chunk: Buffer) => {
chunks.push(chunk);
});
yazlZip.outputStream.on('end', () => {
resolve(Buffer.concat(chunks));
});
yazlZip.outputStream.on('error', reject);
});
🤖 Prompt for AI Agents
In src/pass.ts lines 117 to 137, remove the unnecessary type assertion on the
chunks array passed to Buffer.concat. Since chunks is already typed as Buffer[],
and Buffer.concat accepts Buffer[] or Uint8Array[], simply pass chunks directly
to Buffer.concat without casting to Uint8Array[]. This will improve code clarity
and maintain correctness.

Illia Khomenko and others added 2 commits October 23, 2025 17:08
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3 participants