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feat: optimize object property mutations in compilation #11243

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Merged
merged 2 commits into from
Apr 19, 2024
Merged

feat: optimize object property mutations in compilation #11243

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f6fb7e3
feat: checking for runes when generating js code for object mutations
caiquetorres Apr 19, 2024
2029219
changeset
Rich-Harris Apr 19, 2024
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5 changes: 5 additions & 0 deletions .changeset/sixty-pandas-rush.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"svelte": patch
---

fix: optimize object property mutations in compilation
2 changes: 2 additions & 0 deletions packages/svelte/src/compiler/phases/3-transform/client/visitors/global.js
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Expand Up @@ -105,6 +105,8 @@ export const global_visitors = {
if (serialized_assignment === assignment) {
// No change to output -> nothing to transform -> we can keep the original update expression
return next();
} else if (context.state.analysis.runes) {
return serialized_assignment;
} else {
/** @type {import('estree').Statement[]} */
let statements;
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