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Correctly update module.exports.default of typeof helper (#12858)

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This commit is contained in:
Nicolò Ribaudo
2021-02-23 02:59:03 +01:00
committed by GitHub
parent feb78c7735
commit c4320a6019
13 changed files with 106 additions and 20 deletions
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15
packages/babel-plugin-transform-runtime/scripts/build-dist.js
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@@ -287,15 +287,14 @@ function buildRuntimeRewritePlugin(runtimeName, helperName) {
function addDefaultCJSExport({ template }) {
return {
visitor: {
Program: {
AssignmentExpression: {
exit(path) {
path.pushContainer(
"body",
template.statements.ast`
module.exports.default = module.exports;
module.exports.__esModule = true;
`
);
if (path.get("left").matchesPattern("module.exports")) {
path.insertAfter(template.expression.ast`
module.exports.default = module.exports,
module.exports.__esModule = true
`);
}
},
},
},

11
packages/babel-plugin-transform-runtime/test/regression.js Normal file
View File

@@ -0,0 +1,11 @@
it("module.exports.default is correctly updated", () => {
const typeofHelper = require("@babel/runtime/helpers/typeof");
expect(typeof typeofHelper).toBe("function");
expect(typeof typeofHelper.default).toBe("function");
typeofHelper();
expect(typeof typeofHelper).toBe("function");
expect(typeof typeofHelper.default).toBe("function");
});