47 lines
971 B
JavaScript
47 lines
971 B
JavaScript
import * as babel from "@babel/core";
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import transformCommonjs from "../lib";
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import externalHelpers from "@babel/plugin-external-helpers";
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it("'importInterop' accepts a function", function () {
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const code = `
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import a from "a";
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import b from "b";
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import c from "c";
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a();
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b();
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c();
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`;
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const importInterop = source => {
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if (source === "a") return "babel";
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else if (source === "b") return "node";
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else if (source === "c") return "none";
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};
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const output = babel.transformSync(code, {
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configFile: false,
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ast: false,
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plugins: [
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[externalHelpers, { helperVersion: "7.100.0" }],
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[transformCommonjs, { importInterop }],
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],
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}).code;
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expect(output).toMatchInlineSnapshot(`
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"\\"use strict\\";
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var _a = babelHelpers.interopRequireDefault(require(\\"a\\"));
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var _b = require(\\"b\\");
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var _c = require(\\"c\\");
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(0, _a.default)();
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_b();
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(0, _c.default)();"
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`);
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});
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