1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// This is a stress test of some internals in How Bun does the module.exports assignment.
// If it crashes or throws then this fails
import("./runner.mjs").then(({ bench, run }) => {
bench("Object.defineProperty(module, 'exports', { get() { return 42; } })", () => {
Object.defineProperty(module, "exports", {
get() {
return 42;
},
set() {
throw new Error("bad");
},
configurable: true,
});
if (module.exports !== 42) throw new Error("bad");
if (!Object.getOwnPropertyDescriptor(module, "exports").get) throw new Error("bad");
});
bench("Object.defineProperty(module.exports = {})", () => {
Object.defineProperty(module, "exports", {
value: { abc: 123 },
});
if (!module.exports.abc) throw new Error("bad");
if (Object.getOwnPropertyDescriptor(module, "exports").value !== module.exports) throw new Error("bad");
});
bench("module.exports = {}", () => {
module.exports = { abc: 123 };
if (!module.exports.abc) throw new Error("bad");
if (Object.getOwnPropertyDescriptor(module, "exports").value !== module.exports) throw new Error("bad");
});
run().then(() => {
module.exports = {
a: 1,
};
console.log(
module?.exports,
require.cache[module.id].exports,
module?.exports === require.cache[module.id],
__dirname,
Object.keys(require(module.id)),
require(module.id),
);
module.exports = function lol() {
return 42;
};
console.log(module.exports, module.exports());
queueMicrotask(() => {
console.log(
module?.exports,
require.cache[module.id].exports,
module?.exports === require.cache[module.id]?.exports,
__dirname,
Object.keys(require(module.id)),
require(module.id),
);
});
});
});
|
