mirror of https://github.com/webpack/webpack.git
94 lines
3.1 KiB
JavaScript
94 lines
3.1 KiB
JavaScript
it("should load only used exports", async () => {
|
|
await import("../statical-dynamic-import/dir1/a").then(m => {
|
|
expect(m.default).toBe(3);
|
|
expect(m.usedExports).toEqual(["default", "usedExports"]);
|
|
})
|
|
});
|
|
|
|
it("should get warning on using 'webpackExports' with statically analyze-able dynamic import", async () => {
|
|
await import(/* webpackExports: ["default"] */"../statical-dynamic-import/dir1/a?2").then(m => {
|
|
expect(m.a).toBe(1);
|
|
})
|
|
});
|
|
|
|
it("should not tree-shake default export for exportsType=default module", async () => {
|
|
await import("../statical-dynamic-import/dir2/json/object.json").then(m1 => {
|
|
expect(m1.default).toEqual({ a: 1 });
|
|
});
|
|
await import("../statical-dynamic-import/dir2/json/array.json").then(m2 => {
|
|
expect(m2.default).toEqual(["a"]);
|
|
});
|
|
await import("../statical-dynamic-import/dir2/json/primitive.json").then(m3 => {
|
|
expect(m3.default).toBe("a");
|
|
});
|
|
await import("../statical-dynamic-import/dir2/a").then(m4 => {
|
|
expect(m4.default).toEqual({ a: 1, b: 2 });
|
|
});
|
|
});
|
|
|
|
it("should not tree-shake default export for exportsType=default context module", async () => {
|
|
const dir = "json";
|
|
await import(`../statical-dynamic-import/dir3/${dir}/object.json`).then(m1 => {
|
|
expect(m1.default).toEqual({ a: 1 });
|
|
});
|
|
await import(`../statical-dynamic-import/dir3/${dir}/array.json`).then(m2 => {
|
|
expect(m2.default).toEqual(["a"]);
|
|
});
|
|
await import(`../statical-dynamic-import/dir3/${dir}/primitive.json`).then(m3 => {
|
|
expect(m3.default).toBe("a");
|
|
});
|
|
const file = "a";
|
|
await import(`../statical-dynamic-import/dir3/${file}`).then(m4 => {
|
|
expect(m4.default).toEqual({ a: 1, b: 2 });
|
|
});
|
|
});
|
|
|
|
it("should not tree-shake if reassigin", async () => {
|
|
await import("../statical-dynamic-import/dir1/a?3").then(m => {
|
|
expect(m.default).toBe(3);
|
|
expect(m.usedExports).toBe(true);
|
|
m = {};
|
|
});
|
|
})
|
|
|
|
it("should tree-shake if its member call and strictThisContextOnImports is false", async () => {
|
|
await import("../statical-dynamic-import/dir4/a").then(m => {
|
|
expect(m.f()).toBe(undefined);
|
|
expect(m.usedExports).toEqual(["f", "usedExports"]);
|
|
});
|
|
await import("../statical-dynamic-import/dir4/lib").then(m2 => {
|
|
expect(m2.b.f()).toBe(1);
|
|
expect(m2.b.usedExports).toEqual(true);
|
|
expect(m2.usedExports).toEqual(["b", "usedExports"]);
|
|
});
|
|
})
|
|
|
|
it("should walk with correct order", async () => {
|
|
var r;
|
|
await import(`./dir1/a${r = require, ".js"}`).then(m => {
|
|
expect(r("./required").value).toBe(42);
|
|
expect(m.a).toBe(1);
|
|
expect(m.usedExports).toEqual(["a", "usedExports"]);
|
|
});
|
|
});
|
|
|
|
it("should analyze arguments in call member chain", async () => {
|
|
await import("../statical-dynamic-import/dir4/lib?2").then(m => {
|
|
m.b.f((async () => {
|
|
await import("../statical-dynamic-import/dir4/a?2").then(m2 => {
|
|
expect(m2.a).toBe(1);
|
|
expect(m2.usedExports).toEqual(["a", "usedExports"]);
|
|
});
|
|
})());
|
|
});
|
|
});
|
|
|
|
it("should analyze then arguments", async () => {
|
|
await import("../statical-dynamic-import/dir4/lib?3").then(() => {
|
|
return import("../statical-dynamic-import/dir4/a?3").then(m2 => {
|
|
expect(m2.a).toBe(1);
|
|
expect(m2.usedExports).toEqual(["a", "usedExports"]);
|
|
});
|
|
});
|
|
})
|