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add delay parameter to prevent hitting rate limits for cloudflare API#14

Merged
nosovk merged 1 commit intoNodeArt:mainfrom
AlxZchk:add-delay-between-requests
Jun 2, 2025
Merged

add delay parameter to prevent hitting rate limits for cloudflare API#14
nosovk merged 1 commit intoNodeArt:mainfrom
AlxZchk:add-delay-between-requests

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@AlxZchk AlxZchk commented Jun 2, 2025

Summary by CodeRabbit

  • New Features
    • Added support for introducing a configurable delay after each Cloudflare-related request, allowing users to control the request rate via an environment variable.
  • Chores
    • Updated internal handling to respect a delay setting for Cloudflare operations, defaulting to 500ms if not specified.

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coderabbitai bot commented Jun 2, 2025

Walkthrough

A configurable request delay mechanism was introduced to the CloudFlare integration. The CloudFlare class now accepts an optional delay parameter, applying this delay after each HTTP request. The main entry point reads the delay from an environment variable and passes it to the class, ensuring consistent throttling of requests.

Changes

File(s) Change Summary
cloudflare.js Added requestDelay parameter to CloudFlare constructor, a requestWithDelay method, and a delay utility function. All HTTP requests now use the new delayed request method.
index.js Reads DELAY_MS from environment, parses it, defaults to 500ms, and passes as a delay to CloudFlare constructor. No other logic changed.

Sequence Diagram(s)

sequenceDiagram
    participant Env as Environment
    participant Main as applyCloudflareSettings
    participant CF as CloudFlare
    participant HTTP as undici.request

    Env->>Main: Provides DELAY_MS
    Main->>CF: new CloudFlare(zoneId, domain, options, requestDelay)
    CF->>HTTP: request(url, options)
    CF->>CF: delay(requestDelay)
    CF-->>Main: response
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Actionable comments posted: 0

🧹 Nitpick comments (1)
index.js (1)

40-40: Improve environment variable parsing logic.

The current parsing logic works but could be cleaner and more robust:

-  const requestDelayMs = isNaN(parseInt(process.env.DELAY_MS, 10)) ? 500 : parseInt(process.env.DELAY_MS, 10)
+  const requestDelayMs = parseInt(process.env.DELAY_MS, 10) || 500

This approach:

  • Avoids calling parseInt twice
  • Handles both NaN and falsy values consistently
  • Is more concise and readable
📜 Review details

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

📥 Commits

Reviewing files that changed from the base of the PR and between 0a1af76 and dfd0e1c.

📒 Files selected for processing (2)
  • cloudflare.js (39 hunks)
  • index.js (2 hunks)
🔇 Additional comments (4)
cloudflare.js (3)

9-12: LGTM! Good implementation of configurable delay parameter.

The constructor properly accepts the optional requestDelay parameter with a sensible default of 0, maintaining backward compatibility while enabling rate limiting configuration.


32-32: Excellent consistent implementation of rate limiting.

All HTTP requests have been systematically updated to use requestWithDelay instead of direct request calls. This ensures uniform rate limiting across all Cloudflare API interactions.

Also applies to: 53-53, 74-74, 95-95, 116-116, 156-156, 177-177, 198-198, 232-232, 262-262, 313-313, 339-339, 377-377, 403-403, 454-454, 475-475, 496-496, 517-517, 538-538, 559-559, 580-580, 601-601, 622-622, 642-642, 663-663, 712-712, 732-732, 766-766, 786-786, 830-830, 899-899, 918-918, 937-937, 955-955, 979-979, 1009-1009, 1034-1034


1052-1061: Clean implementation of delay mechanism.

The requestWithDelay method and delay helper function are well-implemented:

  • Properly awaits the original request
  • Applies delay after the request (good for rate limiting)
  • Simple Promise-based delay implementation
  • Maintains the original request/response flow
index.js (1)

60-60: LGTM! Proper integration with CloudFlare constructor.

The delay parameter is correctly passed to the CloudFlare constructor, enabling configurable rate limiting as intended.

@nosovk nosovk merged commit 5277ff5 into NodeArt:main Jun 2, 2025
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2 participants