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fix(nuxt): write initial cookie value if different from document.cookie #31517

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Merged
merged 1 commit into from
Mar 25, 2025

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danielroe
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🔗 Linked issue

resolves #26701

📚 Description

this ensures we always write initial cookie value in the browser if it has expired or we are using the default cookie value

@danielroe danielroe self-assigned this Mar 24, 2025
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coderabbitai bot commented Mar 24, 2025

Walkthrough

The changes update the cookie handling logic and testing in the application. In the cookie.ts file, a new variable, shouldSetInitialClientCookie, has been introduced to determine whether an initial client cookie should be set based on conditions such as being on the client side, the cookie having expired, or the cookie being undefined or null. Additionally, the callback function’s signature has been revised to include a force parameter (defaulting to false), with its execution now contingent on this parameter or a change in value when the cookie is not read-only. In the test file, a new test case has been added under the useCookie suite. This test verifies that cookies are correctly set on the client side under different configurations, including scenarios with standard, watched, and read-only cookies.


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📥 Commits

Reviewing files that changed from the base of the PR and between f2124b3 and a6eb28f.

📒 Files selected for processing (2)
  • packages/nuxt/src/app/composables/cookie.ts (3 hunks)
  • test/nuxt/composables.test.ts (1 hunks)
🧰 Additional context used
🧬 Code Definitions (1)
test/nuxt/composables.test.ts (1)
packages/nuxt/src/app/composables/cookie.ts (1)
  • useCookie (41-165)
⏰ Context from checks skipped due to timeout of 90000ms (2)
  • GitHub Check: build
  • GitHub Check: code
🔇 Additional comments (4)
packages/nuxt/src/app/composables/cookie.ts (3)

56-56: Good addition: Variable to track when to set the initial client cookie

This new variable correctly identifies the scenarios when a cookie should be initially set on the client side: when the cookie has expired, or when it doesn't exist yet (undefined or null). This is a sensible improvement that makes the code's intent clearer.


78-81: Improved callback function with force parameter

The addition of the force parameter to the callback function enables more control over when cookies are written. This allows bypassing the readonly check and equality comparison when necessary, which is essential for ensuring initial cookie values are consistently set.


138-139: Fixed initial cookie setting on the client side

This change ensures that the initial cookie value is written to the client when needed (expired cookies, undefined cookies, or null cookies). The use of the variable as both a condition and a parameter to the callback function is elegant.

test/nuxt/composables.test.ts (1)

798-807: Good test coverage for the fix

This test case properly verifies that cookies are correctly set in the browser under different configurations:

  • With watch set to false
  • With watch set to true
  • With readonly set to true

The test ensures that the initial cookie value is written to the document in all three scenarios, which aligns with the implementation changes in the cookie.ts file.

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pkg-pr-new bot commented Mar 24, 2025

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@nuxt/webpack-builder

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commit: a6eb28f

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codspeed-hq bot commented Mar 24, 2025

CodSpeed Performance Report

Merging #31517 will not alter performance

Comparing fix/client-cookie (a6eb28f) with main (f2124b3)

Summary

✅ 10 untouched benchmarks

@danielroe danielroe merged commit 62b320d into main Mar 25, 2025
47 checks passed
@danielroe danielroe deleted the fix/client-cookie branch March 25, 2025 22:45
This was referenced Mar 25, 2025
@github-actions github-actions bot mentioned this pull request Mar 26, 2025
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Cookie default value not set if useCookie only invoked in CSR
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