8b57a3e3b9
* Migrate the following packages' tests:
* babel-helper-annotate-as-pure
* babel-helper-module-imports
* babel-helper-transform-fixture-test-runner
* babel-highlight
* babel-node
* babel-plugin-transform-modules-commonjs
* babel-preset-env-standalone
* babel-preset-env
* babel-preset-es2015
* babel-preset-react
* babel-standalone
* babel-template
* babel-traverse
* babel-types
31 lines
683 B
JavaScript
31 lines
683 B
JavaScript
const babel = require("@babel/core");
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const vm = require("vm");
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test("Re-export doesn't overwrite __esModule flag", function() {
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let code = 'export * from "./dep";';
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const depStub = {
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__esModule: false,
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};
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const context = {
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module: {
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exports: {},
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},
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require: function(id) {
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if (id === "./dep") return depStub;
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return require(id);
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},
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};
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context.exports = context.module.exports;
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code = babel.transform(code, {
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plugins: [[require("../"), { loose: true }]],
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ast: false,
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}).code;
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vm.runInNewContext(code, context);
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// exports.__esModule shouldn't be overwritten.
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expect(context.exports.__esModule).toBe(true);
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});
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