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perf: partially replace .concat with .push (#13609)

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This commit is contained in:
Federico Ciardi
2021-08-14 16:57:06 +02:00
committed by GitHub
parent 6a651e4641
commit 10640b2aad
18 changed files with 93 additions and 74 deletions
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13
packages/babel-plugin-transform-classes/src/transformClass.ts
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@@ -136,9 +136,8 @@ export default function transformClass(
if (classState.userConstructor) {
const { constructorBody, userConstructor, construct } = classState;
constructorBody.body = constructorBody.body.concat(
userConstructor.body.body,
);
constructorBody.body.push(...userConstructor.body.body);
t.inherits(construct, userConstructor);
t.inherits(constructorBody, userConstructor.body);
}
@@ -695,7 +694,7 @@ export default function transformClass(
extractDynamicKeys();
let { body } = classState;
const { body } = classState;
const { closureParams, closureArgs } = setupClosureParamsArgs();
buildBody();
@@ -712,8 +711,10 @@ export default function transformClass(
);
}
body = body.concat(
classState.staticPropBody.map(fn => fn(t.cloneNode(classState.classRef))),
body.push(
...classState.staticPropBody.map(fn =>
fn(t.cloneNode(classState.classRef)),
),
);
const isStrict = path.isInStrictMode();