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fix: Computed properties should keep original definition order #15232

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merged 12 commits into from
Dec 5, 2022
Merged

fix: Computed properties should keep original definition order #15232

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4061dae
fix: Computed properties should keep order
SuperSodaSea Nov 28, 2022
ed1f8c3
Merge remote-tracking branch 'upstream/main' into fix/computed-proper…
SuperSodaSea Nov 28, 2022
86acf87
Rename test
SuperSodaSea Nov 29, 2022
16758f3
Update new-version-checklist
SuperSodaSea Nov 29, 2022
1fd56a3
Change parameter order of defineAccessor
SuperSodaSea Nov 29, 2022
c735135
Update test spec/definition-order
SuperSodaSea Nov 29, 2022
71a045c
Merge branch 'main' into fix/computed-properties-order
SuperSodaSea Nov 30, 2022
b8acd2e
Add fallback for helper function
SuperSodaSea Dec 2, 2022
8a6ccb4
Better helper fallback
liuxingbaoyu Dec 2, 2022
666e7de
Apply suggestions from code review
SuperSodaSea Dec 5, 2022
dac736c
Cleanup
SuperSodaSea Dec 5, 2022
b16daaf
Merge remote-tracking branch 'upstream/main' into fix/computed-proper…
SuperSodaSea Dec 5, 2022
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Better helper fallback
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@liuxingbaoyu @SuperSodaSea
liuxingbaoyu authored and SuperSodaSea committed Dec 2, 2022
commit 8a6ccb4b879e33de51e0c98d80157c1edaee93cf
2 changes: 1 addition & 1 deletion packages/babel-core/src/transformation/file/file.ts
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Expand Up @@ -210,7 +210,7 @@ export default class File {
});

nodes.forEach(node => {
// @ts-expect-error Fixeme: document _compact node property
// @ts-expect-error Fixme: document _compact node property
node._compact = true;
});

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33 changes: 16 additions & 17 deletions packages/babel-plugin-transform-computed-properties/src/index.ts
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Expand Up @@ -17,6 +17,15 @@ type PropertyInfo = {
state: PluginPass;
};

const DefineAccessorHelper = template.expression.ast`
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function (type, obj, key, fn) {
var desc = { configurable: true, enumerable: true };
desc[type] = fn;
return Object.defineProperty(obj, key, desc);
}`;
// @ts-expect-error undocumented _compact node property
DefineAccessorHelper._compact = true;

export default declare((api, options: Options) => {
api.assertVersion(7);

Expand All @@ -40,24 +49,14 @@ export default declare((api, options: Options) => {
} else {
// Fallback for @babel/helpers <= 7.20.6, manually add helper function
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const file = state.file;
helper = file.declarations["defineAccessor"];
helper = file.get("fallbackDefineAccessorHelper");
if (!helper) {
helper = file.declarations["defineAccessor"] =
file.scope.generateUidIdentifier("defineAccessor");

const helperDeclaration = template.statement.ast`
function ${helper}(type, obj, key, fn) {
var desc = { configurable: true, enumerable: true };
desc[type] = fn;
return Object.defineProperty(obj, key, desc);
}
`;
const helperPath = file.path.unshiftContainer(
"body",
helperDeclaration,
)[0];
// TODO: NodePath#unshiftContainer should automatically register new bindings.
file.scope.registerDeclaration(helperPath);
const id = file.scope.generateUidIdentifier("defineAccessor");
file.scope.push({
id,
init: DefineAccessorHelper,
});
file.set("fallbackDefineAccessorHelper", (helper = id));
}
helper = t.cloneNode(helper);
}
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