mirror of
https://github.com/swc-project/swc.git
synced 2024-12-19 03:31:45 +03:00
703 lines
13 KiB
Rust
703 lines
13 KiB
Rust
use swc_ecma_parser::{Syntax, TsConfig};
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use swc_ecma_transforms_compat::es2020::optional_chaining;
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use swc_ecma_transforms_testing::test;
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use swc_ecma_transforms_testing::test_exec;
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use swc_ecma_visit::Fold;
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fn tr(_: ()) -> impl Fold {
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optional_chaining()
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}
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fn syntax() -> Syntax {
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Syntax::Typescript(TsConfig {
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..Default::default()
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})
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}
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// general_memoize_loose
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// general_lhs_assignment_read_and_update
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// general_function_call_loose
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// regression_7642
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// general_super_method_call_loose
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// general_lhs_update
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// general_assignment
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test!(
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syntax(),
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|_| tr(()),
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general_assignment,
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r#"
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"use strict";
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const obj = {
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a: {
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b: {
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c: {
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d: 2,
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},
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},
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},
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};
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const a = obj?.a;
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const b = obj?.a?.b;
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const bad = obj?.b?.b;
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let val;
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val = obj?.a?.b;
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"#,
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r#"
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"use strict";
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var ref, ref1, ref2;
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const obj = {
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a: {
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b: {
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c: {
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d: 2
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}
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}
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}
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};
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const a = obj === null || obj === void 0 ? void 0 : obj.a;
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const b = obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : ref.b;
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const bad = obj === null || obj === void 0 ? void 0 : (ref1 = obj.b) === null || ref1 === void 0 ? void 0 : ref1.b;
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let val;
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val = obj === null || obj === void 0 ? void 0 : (ref2 = obj.a) === null || ref2 === void 0 ? void 0 : ref2.b;
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"#
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);
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// general_memoize
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test!(
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syntax(),
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|_| tr(()),
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general_memoize,
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r#"
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function test(foo) {
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foo?.bar;
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foo?.bar?.baz;
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foo?.(foo);
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foo?.bar()
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foo.bar?.(foo.bar, false)
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foo?.bar?.(foo.bar, true)
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foo.bar?.baz(foo.bar, false)
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foo?.bar?.baz(foo.bar, true)
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foo.bar?.baz?.(foo.bar, false)
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foo?.bar?.baz?.(foo.bar, true)
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}
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"#,
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r#"
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function test(foo) {
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var ref, ref1, ref2, ref3, ref4, ref5, ref6, ref7, ref8;
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foo === null || foo === void 0 ? void 0 : foo.bar;
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foo === null || foo === void 0 ? void 0 : (ref = foo.bar) === null || ref === void 0 ? void 0 : ref.baz;
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foo === null || foo === void 0 ? void 0 : foo(foo);
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foo === null || foo === void 0 ? void 0 : foo.bar();
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(ref1 = foo.bar) === null || ref1 === void 0 ? void 0 : ref1.call(foo, foo.bar, false);
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foo === null || foo === void 0 ? void 0 : (ref2 = foo.bar) === null || ref2 === void 0 ? void 0 : ref2.call(foo, foo.bar, true);
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(ref3 = foo.bar) === null || ref3 === void 0 ? void 0 : ref3.baz(foo.bar, false);
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foo === null || foo === void 0 ? void 0 : (ref4 = foo.bar) === null || ref4 === void 0 ? void 0 : ref4.baz(foo.bar, true);
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(ref5 = foo.bar) === null || ref5 === void 0 ? void 0 : (ref6 = ref5.baz) === null || ref6 === void 0 ? void 0 : ref6.call(ref5, foo.bar, false);
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foo === null || foo === void 0 ? void 0 : (ref7 = foo.bar) === null || ref7 === void 0 ? void 0 : (ref8 = ref7.baz) === null || ref8 === void 0 ? void 0 : ref8.call(ref7, foo.bar, true);
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}
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"#
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);
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// general_containers
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test!(
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syntax(),
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|_| tr(()),
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general_containers,
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r#"
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var street = user.address?.street
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street = user.address?.street
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test(a?.b, 1);
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(a?.b, 2);
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"#,
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r#"
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var ref, ref1;
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var street = (ref = user.address) === null || ref === void 0 ? void 0 : ref.street;
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street = (ref1 = user.address) === null || ref1 === void 0 ? void 0 : ref1.street;
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test(a === null || a === void 0 ? void 0 : a.b, 1);
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a === null || a === void 0 ? void 0 : a.b, 2;
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"#
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);
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// general_function_call_spread
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// general_lhs_assignment
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// general_delete_exec
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test_exec!(
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syntax(),
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|_| tr(()),
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general_delete_exec,
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r#"
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"use strict";
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const obj = {
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a: {
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b: 0,
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},
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};
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let test = delete obj?.a?.b;
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expect(obj.a.b).toBeUndefined();
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expect(test).toBe(true);
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test = delete obj?.a.b;
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expect(obj.a.b).toBeUndefined();
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expect(test).toBe(true);
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test = delete obj?.b?.b;
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expect(obj.b).toBeUndefined();
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expect(test).toBeUndefined();
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delete obj?.a;
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expect(obj.a).toBeUndefined();
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"#
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);
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// general_member_access
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test!(
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syntax(),
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|_| tr(()),
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general_member_access,
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r#"
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foo?.bar;
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a?.b.c?.d.e;
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a.b?.c.d?.e;
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a.b.c?.d?.e;
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orders?.[0].price;
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orders?.[0]?.price;
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orders[client?.key].price;
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orders[client.key]?.price;
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(0, a?.b).c;
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(0, (0, a?.b).c?.d).e;
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"#,
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r#"
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var ref, ref1, ref2, ref3, ref4, ref5, ref6, ref7;
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foo === null || foo === void 0 ? void 0 : foo.bar;
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(ref = a === null || a === void 0 ? void 0 : a.b.c) === null || ref === void 0 ? void 0 : ref.d.e;
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(ref1 = (ref2 = a.b) === null || ref2 === void 0 ? void 0 : ref2.c.d) === null || ref1 === void 0 ? void 0 : ref1.e;
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(ref3 = a.b.c) === null || ref3 === void 0 ? void 0 : (ref4 = ref3.d) === null || ref4 === void 0 ? void 0 : ref4.e;
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orders === null || orders === void 0 ? void 0 : orders[0].price;
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orders === null || orders === void 0 ? void 0 : (ref5 = orders[0]) === null || ref5 === void 0 ? void 0 : ref5.price;
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orders[client === null || client === void 0 ? void 0 : client.key].price;
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(ref6 = orders[client.key]) === null || ref6 === void 0 ? void 0 : ref6.price;
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(a === null || a === void 0 ? void 0 : a.b).c;
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((ref7 = (a === null || a === void 0 ? void 0 : a.b).c) === null || ref7 === void 0 ? void 0 : ref7.d).e;
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"#
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);
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// general_unary
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test!(
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syntax(),
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|_| tr(()),
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general_unary,
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r#"
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"use strict";
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const obj = {
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a: {
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b: 0,
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},
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};
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let test = +obj?.a?.b;
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test = +obj?.a.b;
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test = +obj?.b?.b;
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test = +obj?.b?.b;
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"#,
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r#"
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"use strict";
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var ref, ref1, ref2;
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const obj = {
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a: {
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b: 0
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}
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};
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let test = +(obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : ref.b);
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test = +(obj === null || obj === void 0 ? void 0 : obj.a.b);
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test = +(obj === null || obj === void 0 ? void 0 : (ref1 = obj.b) === null || ref1 === void 0 ? void 0 : ref1.b);
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test = +(obj === null || obj === void 0 ? void 0 : (ref2 = obj.b) === null || ref2 === void 0 ? void 0 : ref2.b);
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"#
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);
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// regression_8354
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// general_function_call
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test!(
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syntax(),
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|_| tr(()),
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general_function_call,
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r#"
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foo?.(foo);
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foo?.bar()
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foo.bar?.(foo.bar, false)
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foo?.bar?.(foo.bar, true)
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foo?.().bar
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foo?.()?.bar
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foo.bar?.().baz
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foo.bar?.()?.baz
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foo?.bar?.().baz
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foo?.bar?.()?.baz
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"#,
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r#"
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var ref, ref1, ref2, ref3, ref4, ref5, ref6, ref7, ref8;
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foo === null || foo === void 0 ? void 0 : foo(foo);
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foo === null || foo === void 0 ? void 0 : foo.bar();
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(ref = foo.bar) === null || ref === void 0 ? void 0 : ref.call(foo, foo.bar, false);
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foo === null || foo === void 0 ? void 0 : (ref1 = foo.bar) === null || ref1 === void 0 ? void 0 : ref1.call(foo, foo.bar, true);
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foo === null || foo === void 0 ? void 0 : foo().bar;
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foo === null || foo === void 0 ? void 0 : (ref2 = foo()) === null || ref2 === void 0 ? void 0 : ref2.bar;
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(ref3 = foo.bar) === null || ref3 === void 0 ? void 0 : ref3.call(foo).baz;
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(ref4 = foo.bar) === null || ref4 === void 0 ? void 0 : (ref5 = ref4.call(foo)) === null || ref5 === void 0 ? void 0 : ref5.baz;
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foo === null || foo === void 0 ? void 0 : (ref6 = foo.bar) === null || ref6 === void 0 ? void 0 : ref6.call(foo).baz;
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foo === null || foo === void 0 ? void 0 : (ref7 = foo.bar) === null || ref7 === void 0 ? void 0 : (ref8 = ref7.call(foo)) === null || ref8 === void 0 ? void 0 : ref8.baz;"#
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);
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// general_unary_exec
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test_exec!(
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syntax(),
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|_| tr(()),
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general_unary_exec,
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r#"
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"use strict";
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const obj = {
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a: {
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b: 0,
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},
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};
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let test = +obj?.a?.b;
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expect(test).toBe(0);
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test = +obj?.a.b;
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expect(test).toBe(0);
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test = +obj?.b?.b;
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expect(test).toBe(NaN);
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test = +obj?.b?.b;
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expect(test).toBe(NaN);
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"#
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);
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// general_call_exec
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test_exec!(
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syntax(),
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|_| tr(()),
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general_call_exec,
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r#"
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"#
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);
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// general_delete
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test!(
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syntax(),
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|_| tr(()),
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general_delete,
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r#"
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"use strict";
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const obj = {
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a: {
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b: 0,
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},
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};
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let test = delete obj?.a?.b;
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test = delete obj?.a.b;
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test = delete obj?.b?.b;
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delete obj?.a;
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"#,
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r#"
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"use strict";
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var ref, ref1;
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const obj = {
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a: {
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b: 0
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}
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};
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let test = obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : delete ref.b;
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test = obj === null || obj === void 0 ? void 0 : delete obj.a.b;
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test = obj === null || obj === void 0 ? void 0 : (ref1 = obj.b) === null || ref1 === void 0 ? void 0 : delete ref1.b;
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obj === null || obj === void 0 ? void 0 : delete obj.a;
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"#
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);
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// regression_8354_exec
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test_exec!(
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syntax(),
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|_| tr(()),
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regression_8354_exec,
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r#"
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const foo = undefined;
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const bar = 'bar';
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const foobar = foo?.replace(`foo${bar}`, '');
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expect(foobar).toBe(undefined);
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"#
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);
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// general_assignment_exec
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test_exec!(
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syntax(),
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|_| tr(()),
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general_assignment_exec,
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r#"
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"use strict";
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const obj = {
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a: {
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b: {
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c: {
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d: 2,
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},
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},
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},
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};
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const a = obj?.a;
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expect(a).toBe(obj.a);
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const b = obj?.a?.b;
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expect(b).toBe(obj.a.b);
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const bad = obj?.b?.b;
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expect(bad).toBeUndefined();
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let val;
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val = obj?.a?.b;
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expect(val).toBe(obj.a.b);
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expect(() => {
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const bad = obj?.b.b;
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}).toThrow();
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"#
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);
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// general_super_method_call
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test!(
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syntax(),
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|_| tr(()),
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general_super_method_call,
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r#"
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"use strict";
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class Base {
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method() {
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return 'Hello!';
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}
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}
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class Derived extends Base {
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method() {
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return super.method?.()
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}
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}
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"#,
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r#"
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"use strict";
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class Base {
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method() {
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return 'Hello!';
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}
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}
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class Derived extends Base {
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method() {
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var ref;
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return (ref = super.method) === null || ref === void 0 ? void 0 : ref.call(this);
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}
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}
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"#
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);
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test!(
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syntax(),
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|_| tr(()),
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simple_1,
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"obj?.a",
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"obj === null || obj === void 0 ? void 0 : obj.a;"
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);
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test!(
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syntax(),
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|_| tr(()),
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simple_2,
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"obj?.a?.b",
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"var ref;
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obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : \
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ref.b;"
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);
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test!(
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syntax(),
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|_| tr(()),
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simple_3,
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"obj?.a?.b.c",
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"var ref;
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obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : \
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ref.b.c;"
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);
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test!(
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syntax(),
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|_| tr(()),
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call_1,
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"obj?.a?.b()",
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"var ref;
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obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : \
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ref.b();",
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ok_if_code_eq
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);
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test!(
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syntax(),
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|_| tr(()),
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call_2,
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"a?.b?.c?.()",
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"var ref, ref1;
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a === null || a === void 0
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? void 0
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: (ref = a.b) === null || ref === void 0
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? void 0
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: (ref1 = ref.c) === null || ref1 === void 0
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? void 0
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: ref1.call(ref);"
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);
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|
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test!(
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syntax(),
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|_| tr(()),
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issue_732_1,
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"test.a?.b.c.d",
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"var ref;
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(ref = test.a) === null || ref === void 0 ? void 0 : ref.b.c.d"
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);
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test!(
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syntax(),
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|_| tr(()),
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issue_732_2,
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"test.a?.b.c",
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"var ref;
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(ref = test.a) === null || ref === void 0 ? void 0 : ref.b.c;"
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);
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|
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test!(
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syntax(),
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|_| tr(()),
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issue_732_3,
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|
"test.a?.b.c.d.e.f.g.h.i",
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"var ref;
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(ref = test.a) === null || ref === void 0 ? void 0 : ref.b.c.d.e.f.g.h.i"
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);
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|
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// https://github.com/Brooooooklyn/swc-node/issues/62
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test!(
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syntax(),
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|_| tr(()),
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swc_node_issue_62,
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"a.focus?.()",
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"var ref;
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(ref = a.focus) === null || ref === void 0 ? void 0 : ref.call(a);"
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);
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|
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test!(
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syntax(),
|
|
|_| tr(()),
|
|
issue_1092_1,
|
|
"a?.b.c()",
|
|
"a === null || a === void 0 ? void 0 : a.b.c();"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
issue_1092_2,
|
|
"a?.b.c.d.e.f.g.h()",
|
|
"a === null || a === void 0 ? void 0 : a.b.c.d.e.f.g.h();"
|
|
);
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
swc_node_95,
|
|
"
|
|
const obj = {
|
|
a: {
|
|
b: {
|
|
c: function () {
|
|
return this.foo
|
|
},
|
|
foo: 2,
|
|
},
|
|
foo: 1,
|
|
},
|
|
}
|
|
|
|
expect(obj?.a?.b?.c()).toBe(2)
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
swc_node_95_2,
|
|
"
|
|
obj?.a?.b?.c()
|
|
",
|
|
"
|
|
var ref, ref1;
|
|
obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 : \
|
|
(ref1 = ref.b) === null || ref1 === void 0 ? void 0 : ref1.c();"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
swc_node_95_3,
|
|
"
|
|
expect(obj?.a?.b?.c()).toBe(2)
|
|
",
|
|
"
|
|
var ref, ref1;
|
|
expect(obj === null || obj === void 0 ? void 0 : (ref = obj.a) === null || ref === void 0 ? void 0 \
|
|
: (ref1 = ref.b) === null || ref1 === void 0 ? void 0 : ref1.c()).toBe(2);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
issue_1130_1,
|
|
"
|
|
const result = data?.filter(item => Math.random() > 0.5).map(item => JSON.stringify(item));
|
|
",
|
|
"
|
|
const result = data === null || data === void 0 ? void 0 : data.filter(item => Math.random() > \
|
|
0.5).map(item => JSON.stringify(item));
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
issue_1130_2,
|
|
"
|
|
const r = d?.filter(i => Math.random() > 0.5).map(i => JSON.stringify(i));
|
|
",
|
|
"
|
|
const r = d === null || d === void 0 ? void 0 : d.filter(i => Math.random() > 0.5).map(i => \
|
|
JSON.stringify(i));
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
issue_1133_1,
|
|
"
|
|
async function foo() {
|
|
const item = await data?.foo();
|
|
}
|
|
",
|
|
"
|
|
async function foo() {
|
|
const item = await (data === null || data === void 0 ? void 0 : data.foo());
|
|
}
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(()),
|
|
issue_1136_1,
|
|
"
|
|
const PATCHES = new Map();
|
|
|
|
const ident = 'foo';
|
|
const patch = PATCHES.get(ident)?.();
|
|
",
|
|
"
|
|
var ref;
|
|
const PATCHES = new Map();
|
|
const ident = \"foo\";
|
|
var _obj = PATCHES.get(ident);
|
|
const patch = (ref = _obj) === null || ref === void 0 ? void 0 : ref.call(_obj);
|
|
"
|
|
);
|