8000 fix(renderList): handle readonly reactive arrays in renderList by linzhe141 · Pull Request #13090 · vuejs/core · GitHub
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fix(renderList): handle readonly reactive arrays in renderList #13090

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fix(renderList): handle readonly reactive arrays in renderList #13090

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d219837
fix(renderList): handle readonly reactive arrays in renderList
linzhe141 Mar 23, 2025
9861748
chore: update test
linzhe141 Mar 23, 2025
3d2302b
chore: update
linzhe141 Mar 23, 2025
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18 changes: 17 additions & 1 deletion packages/runtime-core/__tests__/helpers/renderList.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,4 +1,10 @@
import { isReactive, reactive, shallowReactive } from '../../src/index'
import {
isReactive,
reactive,
readonly,
ref,
shallowReactive,
} from '../../src/index'
import { renderList } from '../../src/helpers/renderList'

describe('renderList', () => {
Expand Down Expand Up @@ -65,4 +71,14 @@ describe('renderList', () => {
const shallowReactiveArray = shallowReactive([{ foo: 1 }])
expect(renderList(shallowReactiveArray, isReactive)).toEqual([false])
})

it('should warn when attempting to mutate a readonly reactive array', () => {
const reactiveArray = readonly(ref([{ x: 1 }])) as any
renderList(reactiveArray.value, m => {
m.x = 0
})
expect(
`Set operation on key "x" failed: target is readonly.`,
).toHaveBeenWarned()
})
})
4 changes: 3 additions & 1 deletion packages/runtime-core/src/helpers/renderList.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import type { VNode, VNodeChild } from '../vnode'
import {
isReactive,
isReadonly,
isShallow,
shallowReadArray,
toReactive,
Expand Down Expand Up @@ -67,7 +68,8 @@ export function renderList(
const sourceIsArray = isArray(source)

if (sourceIsArray || isString(source)) {
const sourceIsReactiveArray = sourceIsArray && isReactive(source)
const sourceIsReactiveArray =
sourceIsArray && !isReadonly(source) && isReactive(source)
let needsWrap = false
if (sourceIsReactiveArray) {
needsWrap = !isShallow(source)
Expand Down
0