webpack/test/cases/chunks/statical-dynamic-import-destructuring/index.js

it("should load only used exports", async (done) => {
	const { default: def, usedExports } = await import("../statical-dynamic-import/dir1/a");
	expect(def).toBe(3);
	expect(usedExports).toEqual(["default", "usedExports"]);
	done();
});

it("should get warning on using 'webpackExports' with destructuring assignment", async (done) => {
	const { default: def } = await import(/* webpackExports: ["a"] */"../statical-dynamic-import/dir1/a?2");
	expect(def).toBe(3);
	done();
});

it("should not tree-shake default export for exportsType=default module", async () => {
	const { default: object } = await import("../statical-dynamic-import/dir2/json/object.json");
	const { default: array } = await import("../statical-dynamic-import/dir2/json/array.json");
	const { default: primitive } = await import("../statical-dynamic-import/dir2/json/primitive.json");
	expect(object).toEqual({ a: 1 });
	expect(array).toEqual(["a"]);
	expect(primitive).toBe("a");
	const { default: a } = await import("../statical-dynamic-import/dir2/a");
	expect(a).toEqual({ a: 1, b: 2 });
});

it("should not tree-shake default export for exportsType=default context module", async () => {
	const dir = "json";
	const { default: object } = await import(`../statical-dynamic-import/dir3/${dir}/object.json`);
	const { default: array } = await import(`../statical-dynamic-import/dir3/${dir}/array.json`);
	const { default: primitive } = await import(`../statical-dynamic-import/dir3/${dir}/primitive.json`);
	expect(object).toEqual({ a: 1 });
	expect(array).toEqual(["a"]);
	expect(primitive).toBe("a");
	const file = "a";
	const { default: a } = await import(`../statical-dynamic-import/dir3/${file}`);
	expect(a).toEqual({ a: 1, b: 2 });
});

it("should static analyze dynamic import variable destructuring assignment", async () => {
	const m = await import("../statical-dynamic-import/dir1/a?3");
	const { default: def, usedExports } = m;
	expect(def).toBe(3);
	expect(usedExports).toEqual(["default", "usedExports"]);
});

it("expect support of \"deep\" tree-shaking for destructuring assignment dynamic import", async () => {
	const { a: { aaa, usedExports: usedExportsA }, b: { bbb, usedExports: usedExportsB } } = await import("./lib");
	expect(aaa).toBe(1);
	expect(bbb).toBe(2);
	expect(usedExportsA).toEqual(["aaa", "usedExports"]);
	expect(usedExportsB).toEqual(["bbb", "usedExports"]);
});