fix(reactivity): add `__v_skip` flag to `Dep` to prevent reactive conversion #12804

serkodev · 2025-02-02T17:29:55Z

This PR adds dep to isNonTrackableKeys so that the readonly proxy does not convert dep to a readonly value, allowing it to be triggered by triggerRef.

Summary by CodeRabbit

Tests
- Added a new test to verify manual triggering of effects on readonly shallowRefs using explicit triggers.
Chores
- Introduced an internal property for improved handling within the system; no impact on end-user functionality.

github-actions · 2025-02-02T17:30:52Z

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	101 kB (+17 B)	38.3 kB (+5 B)	34.6 kB (+25 B)
vue.global.prod.js	159 kB (+17 B)	58.5 kB (+5 B)	52.1 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	46.6 kB (+17 B)	18.2 kB (+5 B)	16.7 kB (+1 B)
createApp	54.6 kB (+17 B)	21.2 kB (+7 B)	19.4 kB (-4 B)
createSSRApp	58.8 kB (+17 B)	23 kB (+6 B)	21 kB (+3 B)
defineCustomElement	59.5 kB (+17 B)	22.8 kB (+4 B)	20.8 kB (+4 B)
overall	68.7 kB (+17 B)	26.4 kB (+5 B)	24 kB (+18 B)

pkg-pr-new · 2025-02-02T17:31:06Z

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commit: 171e9c4

packages/reactivity/src/baseHandlers.ts

This reverts commit fafbea7.

edison1105 · 2025-02-03T13:41:11Z

LGTM

skirtles-code

Using __v_skip looks like a good approach to me.

The test is outside the describe section, it should probably be moved inside.

The PR description also needs updating to reflect the latest code.

packages/reactivity/__tests__/readonly.spec.ts

Co-authored-by: skirtle <65301168+skirtles-code@users.noreply.github.com>

coderabbitai · 2025-05-30T06:43:49Z

Walkthrough

A new test case was added to the readonly reactivity test suite to verify that effects can be manually triggered on a readonly shallowRef using triggerRef. Additionally, a new internal readonly property __v_skip was introduced to the Dep class in the reactivity source code.

Changes

File(s)	Change Summary
packages/reactivity/tests/readonly.spec.ts	Added a test case for manually triggering effects on readonly shallowRef using `triggerRef`.
packages/reactivity/src/dep.ts	Added internal readonly property `__v_skip: true` to the `Dep` class with a JSDoc and TODO note.

Sequence Diagram(s)

sequenceDiagram
    participant Test as Test Case
    participant Ref as shallowRef (original)
    participant Readonly as readonly(shallowRef)
    participant Effect as Effect

    Test->>Ref: Create shallowRef({ n: 1 })
    Test->>Readonly: Wrap with readonly
    Test->>Effect: Setup effect tracking Readonly.value.n
    Test->>Ref: Mutate Ref.value.n++
    Effect-->>Test: No update triggered
    Test->>Readonly: triggerRef(Readonly)
    Effect-->>Test: Effect re-runs and observes updated value

Assessment against linked issues

Objective	Addressed	Explanation
Ensure `triggerRef` can trigger effects on a readonly ref (#12803)	✅

Assessment against linked issues: Out-of-scope changes

Code Change	Explanation

Suggested labels

scope: reactivity

Poem

In the warren of code, a test hops anew,
Readonly refs now trigger, as all rabbits knew.
A skip flag was added—so sly and discreet,
Ensuring reactivity is robust and neat.
With a twitch of the nose and a hop in the grass,
This patch helps your signals update and pass! 🐇✨

📜 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 22f359b and 4f28b45.

📒 Files selected for processing (2)

packages/reactivity/__tests__/readonly.spec.ts (2 hunks)
packages/reactivity/src/dep.ts (1 hunks)

🔇 Additional comments (3)

packages/reactivity/src/dep.ts (1)

96-100: LGTM: Skip marker addition aligns with PR objectives.

The addition of the __v_skip property correctly implements the fix to prevent readonly proxy conversion of the dep property, enabling proper triggerRef functionality on readonly refs.

Note that the TODO comment indicates this is a temporary implementation pending isolatedDeclarations support.

packages/reactivity/__tests__/readonly.spec.ts (2)

11-13: LGTM: Required imports correctly added.

The shallowRef and triggerRef imports are necessary for the new test case and are properly placed in the existing import structure.

526-537: Excellent test coverage for the triggerRef fix.

This test comprehensively validates the PR's objective by:

Creating a readonly wrapper around a shallowRef

Verifying that direct mutations don't trigger effects (expected behavior)

Confirming that triggerRef can properly trigger effects on readonly refs

The test correctly uses shallowRef instead of regular ref, which is essential for demonstrating this specific behavior where nested property changes don't automatically trigger effects.

✨ Finishing Touches

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edison1105 · 2025-06-05T02:10:05Z

/ecosystem-ci run

vue-bot · 2025-06-05T02:17:26Z

📝 Ran ecosystem CI: Open

suite	result	latest scheduled
quasar	✅ success	✅ success
primevue	✅ success	✅ success
language-tools	✅ success	✅ success
nuxt	✅ success	✅ success
vitepress	✅ success	✅ success
pinia	✅ success	✅ success
test-utils	✅ success	✅ success
router	✅ success	✅ success
vant	✅ success	✅ success
vite-plugin-vue	✅ success	✅ success
vuetify	✅ success	✅ success
vue-i18n	✅ success	✅ success
radix-vue	✅ success	✅ success
vue-macros	❌ failure	✅ success
vueuse	✅ success	✅ success
vue-simple-compiler	✅ success	✅ success

serkodev added 2 commits February 3, 2025 01:25

fix: add dep to isNonTrackableKeys

fafbea7

test: add triggerRef test for readonly shallowRef

f88bfc0

skirtles-code reviewed Feb 2, 2025

View reviewed changes

packages/reactivity/src/baseHandlers.ts Outdated Show resolved Hide resolved

edison1105 added 🔨 p3-minor-bug Priority 3: this fixes a bug, but is an edge case that only affects very specific usage. wait changes labels Feb 3, 2025

serkodev added 2 commits February 3, 2025 21:15

Revert "fix: add dep to isNonTrackableKeys"

43b798b

This reverts commit fafbea7.

feat: add __v_skip to Dep

3be87c1

serkodev requested review from edison1105 and skirtles-code February 3, 2025 13:18

edison1105 added ready to merge The PR is ready to be merged. and removed wait changes labels Feb 3, 2025

edison1105 approved these changes Feb 3, 2025

View reviewed changes

edison1105 changed the title ~~fix: readonly ref able to trigger by triggerRef~~ fix(reactivity): readonly ref able to trigger by triggerRef Feb 3, 2025

skirtles-code reviewed May 30, 2025

View reviewed changes

packages/reactivity/__tests__/readonly.spec.ts Outdated Show resolved Hide resolved

Update packages/reactivity/__tests__/readonly.spec.ts

4f28b45

Co-authored-by: skirtle <65301168+skirtles-code@users.noreply.github.com>

edison1105 approved these changes Jun 4, 2025

View reviewed changes

edison1105 changed the title ~~fix(reactivity): readonly ref able to trigger by triggerRef~~ fix(reactivity): add __v_skip flag to Dep to prevent reactive conversion Jun 5, 2025

Merge branch 'main' into fix/trigger-readonly-ref

171e9c4

vuejs deleted a comment from edison1105 Jun 5, 2025

edison1105 merged commit e8d8f5f into vuejs:main Jun 5, 2025
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