29 lines
1000 B
JavaScript
29 lines
1000 B
JavaScript
const babel = require("@babel/core");
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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: __dirname,
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ast: true,
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plugins: [[require("../"), { 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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