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Mark wrapNativeSuper and wrapRegExp as pure (#11134)

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This commit is contained in:
Nicolò Ribaudo
2020-02-21 09:15:59 +01:00
committed by GitHub
parent a583eab41f
commit 4b045819b8
9 changed files with 24 additions and 17 deletions
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14
packages/babel-plugin-transform-classes/src/transformClass.js
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@@ -6,6 +6,7 @@ import ReplaceSupers, {
import optimiseCall from "@babel/helper-optimise-call-expression";
import * as defineMap from "@babel/helper-define-map";
import { traverse, template, types as t } from "@babel/core";
import annotateAsPure from "@babel/helper-annotate-as-pure";
type ReadonlySet<T> = Set<T> | { has(val: T): boolean };
@@ -565,11 +566,14 @@ export default function transformClass(
const closureArgs = [];
if (classState.isDerived) {
const arg = classState.extendsNative
? t.callExpression(classState.file.addHelper("wrapNativeSuper"), [
t.cloneNode(superName),
])
: t.cloneNode(superName);
let arg = t.cloneNode(superName);
if (classState.extendsNative) {
arg = t.callExpression(classState.file.addHelper("wrapNativeSuper"), [
arg,
]);
annotateAsPure(arg);
}
const param = classState.scope.generateUidIdentifierBasedOnNode(
superName,
);

2
packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/loose/output.js vendored
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@@ -22,4 +22,4 @@ var List = /*#__PURE__*/function (_Array) {
}
return List;
}(_wrapNativeSuper(Array));
}( /*#__PURE__*/_wrapNativeSuper(Array));

2
packages/babel-plugin-transform-classes/test/fixtures/extend-builtins/spec/output.js vendored
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@@ -30,4 +30,4 @@ var List = /*#__PURE__*/function (_Array) {
}
return List;
}(_wrapNativeSuper(Array));
}( /*#__PURE__*/_wrapNativeSuper(Array));

2
packages/babel-plugin-transform-classes/test/fixtures/regression/8499/output.js vendored
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@@ -20,7 +20,7 @@ var CustomElement = /*#__PURE__*/function (_HTMLElement) {
}
return CustomElement;
}(babelHelpers.wrapNativeSuper(HTMLElement));
}( /*#__PURE__*/babelHelpers.wrapNativeSuper(HTMLElement));
;
new CustomElement();