33 lines
1.1 KiB
JavaScript
33 lines
1.1 KiB
JavaScript
import * as babel from "@babel/core";
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import { fileURLToPath } from "url";
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import path from "path";
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import transformCommonJS from "../lib/index.js";
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test("Doesn't use the same object for two different nodes in the AST", function () {
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const code = 'import Foo from "bar"; Foo; Foo;';
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const ast = babel.transform(code, {
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cwd: path.dirname(fileURLToPath(import.meta.url)),
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ast: true,
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plugins: [[transformCommonJS, { loose: true }]],
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}).ast;
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expect(ast.program.body[0].declarations[0].id.type).toBe("Identifier");
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expect(ast.program.body[2].expression.type).toBe("MemberExpression");
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expect(ast.program.body[2].expression.object.type).toBe("Identifier");
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expect(ast.program.body[3].expression.type).toBe("MemberExpression");
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expect(ast.program.body[3].expression.object.type).toBe("Identifier");
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expect(ast.program.body[2].expression.object).not.toBe(
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ast.program.body[3].expression.object,
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);
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expect(ast.program.body[0].declarations[0].id).not.toBe(
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ast.program.body[3].expression.object,
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);
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expect(ast.program.body[0].declarations[0].id).not.toBe(
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ast.program.body[2].expression.object,
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);
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});
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