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fix(compiler-core, runtime-core): fix unexpected render in v-for & v-memo #10431

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@Doctor-wu Doctor-wu commented Feb 29, 2024

This PR fixes the unexpected render when v-memo is used in a keyed v-for list. In the past, we just used an array as the renderCache of a list whatever if it is keyed. This PR adds a map that uses nodes.key as key and node as the value to the cache. When updates, if a list is keyed, it will check the cache from the map, so that can prevent unexpected render.

close #10392

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github-actions bot commented Feb 29, 2024

Size Report

Bundles

File Size Gzip Brotli
runtime-dom.global.prod.js 91 kB (+322 B) 34.6 kB (+96 B) 31.2 kB (+103 B)
vue.global.prod.js 148 kB (+477 B) 53.9 kB (+148 B) 48.1 kB (+118 B)

Usages

Name Size Gzip Brotli
createApp 50.8 kB 19.9 kB 18.1 kB
createSSRApp 54.1 kB 21.2 kB 19.3 kB
defineCustomElement 53.1 kB 20.6 kB 18.8 kB
overall 64.5 kB 24.9 kB 22.5 kB

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/ecosystem-ci run

@Doctor-wu Doctor-wu marked this pull request as draft February 29, 2024 09:22
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vue-bot commented Feb 29, 2024

📝 Ran ecosystem CI: Open

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

@Doctor-wu Doctor-wu marked this pull request as ready for review February 29, 2024 10:13
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@baiwusanyu-c could you help to re-run the ecosystem-ci?

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/ecosystem-ci run

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vue-bot commented Feb 29, 2024

📝 Ran ecosystem CI: Open

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

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Successfully merging this pull request may close these issues.

v-memo in v-for, only memoize until the first changed item
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