ad1798ed48
* Only bundle the release build, and don't import `src` in tests * Use file extension to signal skipping * Remove unnecessary config change * Fix imports
57 lines
1.4 KiB
JavaScript
57 lines
1.4 KiB
JavaScript
import { parseSync, traverse } from "@babel/core";
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import { shouldTransform } from "../lib/util.js";
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function getPath(input, parserOpts = {}) {
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let targetPath;
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traverse(
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parseSync(input, {
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parserOpts,
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filename: "example.js",
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configFile: false,
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}),
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{
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FunctionExpression(path) {
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targetPath = path;
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path.stop();
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},
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},
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);
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return targetPath;
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}
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describe("shouldTransform", () => {
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const positiveCases = [
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"(function a([a]) {})",
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"({ b: function a([a]) {} })",
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"(function a({a}) {})",
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"(function a(...a) {})",
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"(function a({ ...a }) {})",
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"(function a([a = 1]) {})",
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"(function a(b, { a: [,...a] }) {})",
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];
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const negativeCases = [
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"(function () {})",
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"(function a() {})",
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"(function a(a) {})",
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"(function a() { var a })",
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"(function b([a]) { var a })",
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"(function b([a]) { function a() {} })",
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"(function a(x = a) {})",
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"(function a() { var { a } = {}; })",
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"(function b([a]) { var { a } = {}; })",
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"(function a({ [a]: b }) {})",
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];
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describe("the following cases should be transformed", () => {
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test.each(positiveCases)("%p", input => {
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expect(shouldTransform(getPath(input))).toBe("a");
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});
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});
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describe("the following cases should not be transformed", () => {
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test.each(negativeCases)("%p", input => {
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expect(shouldTransform(getPath(input))).toBe(false);
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});
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});
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});
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