mirror of
https://github.com/swc-project/swc.git
synced 2024-12-22 05:01:42 +03:00
2327 lines
46 KiB
Rust
2327 lines
46 KiB
Rust
use std::path::PathBuf;
|
|
|
|
use swc_common::{chain, Mark};
|
|
use swc_ecma_parser::Syntax;
|
|
use swc_ecma_transforms_base::resolver;
|
|
use swc_ecma_transforms_compat::{
|
|
es2015,
|
|
es2015::{
|
|
block_scoping,
|
|
destructuring::{destructuring, Config},
|
|
parameters, spread,
|
|
},
|
|
es2018::object_rest_spread,
|
|
};
|
|
use swc_ecma_transforms_testing::{test, test_exec, test_fixture};
|
|
use swc_ecma_visit::Fold;
|
|
|
|
fn syntax() -> Syntax {
|
|
Default::default()
|
|
}
|
|
|
|
fn tr() -> impl Fold {
|
|
chain!(
|
|
resolver(Mark::new(), Mark::new(), false),
|
|
destructuring(Config { loose: true })
|
|
)
|
|
}
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_2819,
|
|
r#"const [first, , third] = ["red", "yellow", "green"]"#,
|
|
r#"const first = "red", third = "green";"#,
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_2821,
|
|
r#"const [x, y, ...z] = [1];"#,
|
|
r#"const _ref = [
|
|
1
|
|
], x = _ref[0], y = _ref[1], z = _ref.slice(2)"#,
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| destructuring(Config { loose: false }),
|
|
need_to_array,
|
|
r#"const [x, y, ...z] = o;"#,
|
|
r#"const _o = _to_array(o), x = _o[0], y = _o[1], z = _o.slice(2);"#,
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
need_to_array_loose,
|
|
r#"const [x, y, ...z] = o;"#,
|
|
r#"const x = o[0], y = o[1], z = o.slice(2);"#,
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| destructuring(Config { loose: false }),
|
|
issue_2841,
|
|
r#"function foo(a,b)
|
|
{
|
|
[a,b,...restParam] = arguments;
|
|
}"#,
|
|
r#"function foo(a, b) {
|
|
var ref;
|
|
ref = Array.prototype.slice.call(arguments), a = ref[0], b = ref[1], restParam = ref.slice(2), ref;
|
|
}"#,
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
issue_2841_loose,
|
|
r#"function foo(a,b)
|
|
{
|
|
[a,b,...restParam] = arguments;
|
|
}"#,
|
|
r#"function foo(a, b) {
|
|
var ref;
|
|
ref = arguments, a = ref[0], b = ref[1], restParam = ref.slice(2), ref;
|
|
}"#,
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_169,
|
|
"export class Foo {
|
|
func(a, b = Date.now()) {
|
|
return {a};
|
|
}
|
|
}",
|
|
"export class Foo{
|
|
func(a, ref) {
|
|
let b = ref === void 0 ? Date.now() : ref;
|
|
return {
|
|
a
|
|
};
|
|
}
|
|
}
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
issue_1948,
|
|
"
|
|
const fn2 = (arg1, {opt1, opt2}, arg2, {opt3, opt4}, ...arg3) => {
|
|
console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
|
|
};
|
|
|
|
function fn3(arg1, {opt1, opt2}, arg2, {opt3, opt4}, ...arg3) {
|
|
console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
|
|
};
|
|
|
|
class cls {
|
|
fn4(arg1, {opt1, opt2}, arg2, {opt3, opt4}, ...arg3) {
|
|
console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
|
|
}
|
|
|
|
fn5(arg1, arg2) {
|
|
console.log(arg1, arg2);
|
|
}
|
|
}",
|
|
"
|
|
var fn2 = function(arg1, param, arg2, param1) {
|
|
var opt1 = param.opt1, opt2 = param.opt2, opt3 = param1.opt3, opt4 = param1.opt4;
|
|
for(var _len = arguments.length, arg3 = new Array(_len > 4 ? _len - 4 : 0), _key = 4; _key \
|
|
< _len; _key++){
|
|
arg3[_key - 4] = arguments[_key];
|
|
}
|
|
console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
|
|
};
|
|
function fn3(arg1, param, arg2, param1) {
|
|
var opt1 = param.opt1, opt2 = param.opt2, opt3 = param1.opt3, opt4 = param1.opt4;
|
|
for(var _len = arguments.length, arg3 = new Array(_len > 4 ? _len - 4 : 0), _key = 4; _key \
|
|
< _len; _key++){
|
|
arg3[_key - 4] = arguments[_key];
|
|
}
|
|
console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
|
|
}
|
|
;
|
|
class cls {
|
|
fn4(arg1, param, arg2, param1) {
|
|
var opt1 = param.opt1, opt2 = param.opt2, opt3 = param1.opt3, opt4 = param1.opt4;
|
|
for(var _len = arguments.length, arg3 = new Array(_len > 4 ? _len - 4 : 0), _key = 4; \
|
|
_key < _len; _key++){
|
|
arg3[_key - 4] = arguments[_key];
|
|
}
|
|
console.log(arg1, opt1, opt2, arg2, opt3, opt4, arg3);
|
|
}
|
|
fn5(arg1, arg2) {
|
|
console.log(arg1, arg2);
|
|
}
|
|
}
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_260_01,
|
|
"[code = 1] = []",
|
|
"var ref, ref1;
|
|
ref = [], ref1 = ref[0], code = ref1 === void 0 ? 1 : ref1, ref;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding,
|
|
"[code = 1] = [1]",
|
|
"
|
|
var ref;
|
|
ref = 1,
|
|
code = ref === void 0 ? 1 : ref;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding_2,
|
|
"[foo = 1, bar = 2] = [3];",
|
|
"
|
|
var ref, ref1, ref2;
|
|
ref = [3],
|
|
ref1 = ref[0],
|
|
foo = ref1 === void 0 ? 1 : ref1,
|
|
ref2 = ref[1],
|
|
bar = ref2 === void 0 ? 2 : ref2,
|
|
ref;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding_3,
|
|
"[foo = 1, bar = 2] = [3, 4];",
|
|
"
|
|
var ref, ref1;
|
|
ref = 3,
|
|
foo = ref === void 0 ? 1 : ref,
|
|
ref1 = 4,
|
|
bar = ref1 === void 0 ? 2 : ref1;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding_4,
|
|
"const [foo = 1] = [2];",
|
|
"const tmp = 2, foo = tmp === void 0 ? 1 : tmp;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding_5,
|
|
"const [foo = 1, bar] = [2, 3];",
|
|
"
|
|
const tmp = 2,
|
|
foo = tmp === void 0 ? 1 : tmp,
|
|
bar = 3;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding_6,
|
|
"const [foo = 1] = [];",
|
|
"
|
|
const _ref = [],
|
|
tmp = _ref[0],
|
|
foo = tmp === void 0 ? 1 : tmp;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_pat_assign_prop_binding_7,
|
|
"const [foo = 1] = [1, 2];",
|
|
"
|
|
const _ref = [1, 2],
|
|
tmp = _ref[0],
|
|
foo = tmp === void 0 ? 1 : tmp;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_260_02,
|
|
"[code = 1, ...rest] = [];",
|
|
"
|
|
var ref, ref1;
|
|
ref = [],
|
|
ref1 = ref[0],
|
|
code = ref1 === void 0 ? 1 : ref1,
|
|
rest = ref.slice(1),
|
|
ref;
|
|
",
|
|
ok_if_code_eq
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop,
|
|
"({code = 1} = {})",
|
|
"var ref, ref1;
|
|
ref = {}, ref1 = ref.code, code = ref1 === void 0 ? 1 : ref1, ref;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop_2,
|
|
"const {code = 1} = {}",
|
|
"
|
|
const _ref = {},
|
|
_ref_code = _ref.code,
|
|
code = _ref_code === void 0 ? 1 : _ref_code;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop_binding,
|
|
"({foo: bar = 1} = {})",
|
|
"
|
|
var ref, ref1;
|
|
ref = {}, ref1 = ref.foo, bar = ref1 === void 0 ? 1 : ref1, ref;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop_binding_2,
|
|
"const {foo: bar = 1} = {}",
|
|
"
|
|
const _ref = {},
|
|
tmp = _ref.foo,
|
|
bar = tmp === void 0 ? 1 : tmp;
|
|
"
|
|
);
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop_binding_3,
|
|
r#"
|
|
let foo = 1;
|
|
let bar = 2;
|
|
let x;
|
|
let y;
|
|
({ [++foo]: x = "c", [++bar]: y = "d" } = { 2: "a" });
|
|
|
|
expect(foo).toBe(2);
|
|
expect(bar).toBe(3);
|
|
expect(x).toBe("a");
|
|
expect(y).toBe("d");
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop_binding_isseu_2850,
|
|
"const obj = { foo = 123, bar: x = 123 } = { foo: 24, bar: 45 };",
|
|
"
|
|
var ref, ref1, ref2;
|
|
const obj =(
|
|
ref = {
|
|
foo: 24,
|
|
bar: 45
|
|
},
|
|
ref1 = ref.foo,
|
|
foo = ref1 === void 0 ? 123 : ref1,
|
|
ref2 = ref.bar,
|
|
x = ref2 === void 0 ? 123 : ref2,
|
|
ref
|
|
);
|
|
"
|
|
);
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
object_pat_assign_prop_binding_isseu_2850_exec,
|
|
r#"
|
|
const obj = { foo = 123, bar: x = 123 } = { foo: 24, bar: 45 };
|
|
|
|
expect(obj).toEqual({ foo: 24, bar: 45 });
|
|
expect(foo).toBe(24);
|
|
expect(x).toBe(45);
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
obj_assign_pat,
|
|
r#"let { a = 1 } = foo"#,
|
|
r#"let _foo_a = foo.a, a = _foo_a === void 0 ? 1 : _foo_a;"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
obj_assign_expr,
|
|
r#"let a;
|
|
[{ a = 1 }] = foo"#,
|
|
r#"let a;
|
|
var ref, ref1, ref2;
|
|
ref = foo, ref1 = ref[0], ref2 = ref1.a, a = ref2 === void 0 ? 1 : ref2, ref1, ref;"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array1,
|
|
r#"var [a, [b], [c]] = ["hello", [", ", "junk"], ["world"]];"#,
|
|
r#"var a = "hello", _ref = [", ", "junk"], b = _ref[0], c = "world";"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array2,
|
|
r#"[a, [b], [c]] = ["hello", [", ", "junk"], ["world"]];"#,
|
|
r#"
|
|
var ref, ref1;
|
|
a = "hello",
|
|
ref = [", ", "junk"],
|
|
b = ref[0],
|
|
ref,
|
|
ref1 = ["world"],
|
|
c = ref1[0],
|
|
ref1;
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
assign_expr_completion_record,
|
|
r#"var x, y;
|
|
[x, y] = [1, 2];"#,
|
|
r#"var x, y;
|
|
x = 1, y = 2"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
assign_expr_pat,
|
|
r#"var z = {};
|
|
var { x: { y } = {} } = z;"#,
|
|
r#"var z = {
|
|
};
|
|
var tmp = z.x, y = (tmp === void 0 ? {} : tmp).y;"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
assign_expr,
|
|
r#"console.log([x] = [123]);"#,
|
|
r#"var ref;
|
|
console.log((ref = [123], x = ref[0], ref));"#
|
|
);
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
chained,
|
|
r#"var a, b, c, d;
|
|
({ a, b } = ({ c, d } = { a: 1, b: 2, c: 3, d: 4}));
|
|
expect(a).toBe(1);
|
|
expect(b).toBe(2);
|
|
expect(c).toBe(3);
|
|
expect(d).toBe(4);"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
empty,
|
|
r#"var [, a, [b], [c], d] = ["foo", "hello", [", ", "junk"], ["world"]];"#,
|
|
r#"var _ref = ["foo", "hello", [", ", "junk"], ["world"]], a = _ref[1], _ref_ = _ref[2],
|
|
b = _ref_[0], _ref_1 = _ref[3], c = _ref_1[0], d = _ref[4];
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
ignore,
|
|
syntax(),
|
|
|_| tr(),
|
|
es7_object_rest_builtins,
|
|
r#"var z = {};
|
|
var { ...x } = z;
|
|
var { x, ...y } = z;
|
|
var { [x]: x, ...y } = z;
|
|
(function({ x, ...y }) { });
|
|
|
|
({ x, y, ...z } = o);"#,
|
|
r#"var z = {};
|
|
var _z = z,
|
|
x = Object.assign({}, _z);
|
|
var _z2 = z,
|
|
x = _z2.x,
|
|
y = _object_without_properties(_z2, ["x"]);
|
|
var _z3 = z,
|
|
x = _z3[x],
|
|
y = _object_without_properties(_z3, [x].map(_to_property_key));
|
|
|
|
(function (_ref) {
|
|
var x = _ref.x,
|
|
y = _object_without_properties(_ref, ["x"]);
|
|
});
|
|
|
|
var _o = o;
|
|
x = _o.x;
|
|
y = _o.y;
|
|
z = _object_without_properties(_o, ["x", "y"]);
|
|
_o;"#
|
|
);
|
|
|
|
test!(
|
|
ignore,
|
|
syntax(),
|
|
|_| tr(),
|
|
es7_object_rest,
|
|
r#"var z = {};
|
|
var { ...x } = z;
|
|
var { x, ...y } = z;
|
|
var { [x]: x, ...y } = z;
|
|
(function({ x, ...y }) { });
|
|
|
|
({ x, y, ...z } = o);"#,
|
|
r#"var z = {};
|
|
var _z = z,
|
|
x = _extends({}, _z);
|
|
var _z2 = z,
|
|
x = _z2.x,
|
|
y = _object_without_properties(_z2, ["x"]);
|
|
var _z3 = z,
|
|
x = _z3[x],
|
|
y = _object_without_properties(_z3, [x].map(_to_property_key));
|
|
|
|
(function (_ref) {
|
|
var x = _ref.x,
|
|
y = _object_without_properties(_ref, ["x"]);
|
|
});
|
|
|
|
var _o = o;
|
|
x = _o.x;
|
|
y = _o.y;
|
|
z = _object_without_properties(_o, ["x", "y"]);
|
|
_o;"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
export_variable_issue_2858_1,
|
|
r#"export const { a: a2, b: b2 } = { a: 1, b: 2 };"#,
|
|
r#"
|
|
var _ref = {
|
|
a: 1,
|
|
b: 2,
|
|
};
|
|
export const a2 = _ref.a, b2 = _ref.b;
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
export_variable_issue_2858_2,
|
|
r#"export const { a: b } = { a: 1 }"#,
|
|
r#"
|
|
var _ref = {
|
|
a: 1
|
|
};
|
|
export const b = _ref.a;
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
export_variable_issue_2858_3,
|
|
r#"
|
|
export const {
|
|
a: a1,
|
|
b: b1,
|
|
b: { c: c1 },
|
|
} = { a: 1, b: { c: 1 } };
|
|
"#,
|
|
r#"
|
|
var _ref = {
|
|
a: 1,
|
|
b: {
|
|
c: 1,
|
|
},
|
|
},
|
|
_ref_b = _ref.b;
|
|
export const a1 = _ref.a,
|
|
b1 = _ref.b,
|
|
c1 = _ref_b.c;
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
ignore,
|
|
syntax(),
|
|
|_| tr(),
|
|
export_variable,
|
|
r#"export let {a, b, c: {d, e: {f = 4}}} = {};"#,
|
|
r#"
|
|
var _ref = {},
|
|
a = _ref.a,
|
|
b = _ref.b,
|
|
_ref$c = _ref.c,
|
|
d = _ref$c.d,
|
|
_ref$c$e$f = _ref$c.e.f,
|
|
f = _ref$c$e$f === void 0 ? 4 : _ref$c$e$f;
|
|
export { a, b, d, f };"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
for_in,
|
|
r#"for (var [name, value] in obj) {
|
|
print("Name: " + name + ", Value: " + value);
|
|
}"#,
|
|
r#"for(var ref in obj){
|
|
let name = ref[0], value = ref[1];
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
for_let,
|
|
r#"for (let [ i, n ] = range; ; ) {}"#,
|
|
r#"for(let i = range[0], n = range[1];;){}"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
for_of,
|
|
r#"for (var [ name, before, after ] of test.expectation.registers) {
|
|
|
|
}"#,
|
|
r#"for(var ref of test.expectation.registers){
|
|
let name = ref[0], before = ref[1], after = ref[2];
|
|
}"#
|
|
);
|
|
|
|
test_exec!(
|
|
ignore,
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
fn_key_with_obj_rest_spread,
|
|
r#"const { [(() => 1)()]: a, ...rest } = { 1: "a" };
|
|
|
|
expect(a).toBe("a");
|
|
expect(rest).toEqual({});"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
babel_issue_3081,
|
|
r#"let list = [1, 2, 3, 4];
|
|
for (let i = 0, { length } = list; i < length; i++) {
|
|
list[i];
|
|
}"#,
|
|
r#"let list = [1, 2, 3, 4];
|
|
for(let i = 0, length = list.length; i < length; i++){
|
|
list[i];
|
|
}
|
|
"#
|
|
);
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
babel_issue_5090,
|
|
r#"const assign = function([...arr], index, value) {
|
|
arr[index] = value;
|
|
return arr;
|
|
}
|
|
|
|
const arr = [1, 2, 3];
|
|
assign(arr, 1, 42);
|
|
|
|
expect(arr).toEqual([1, 2, 3]);"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
babel_issue_5628,
|
|
r#"
|
|
(function () {
|
|
let q;
|
|
let w;
|
|
let e;
|
|
if (true) [q, w, e] = [1, 2, 3].map(()=>123);
|
|
})();"#,
|
|
r#"(function() {
|
|
let q;
|
|
let w;
|
|
let e;
|
|
var ref;
|
|
if (true) ref = [1, 2, 3].map(()=>123), q = ref[0], w = ref[1], e = ref[2], ref;
|
|
})();"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
babel_issue_5744,
|
|
r#"if (true) [a, b] = [b, a];"#,
|
|
r#"var ref;
|
|
if (true) ref = [b, a], a = ref[0], b = ref[1], ref;"#
|
|
);
|
|
|
|
test!(
|
|
ignore,
|
|
syntax(),
|
|
|_| tr(),
|
|
babel_issue_6373,
|
|
r#"import { NestedObjects } from "./some-module"
|
|
|
|
const { Foo, Bar } = NestedObjects"#,
|
|
r#""use strict";
|
|
|
|
var _someModule = require("./some-module");
|
|
|
|
const Foo = _someModule.NestedObjects.Foo,
|
|
Bar = _someModule.NestedObjects.Bar;"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
known_array,
|
|
r#"var z = [];
|
|
var [x, ...y] = z;"#,
|
|
r#"var z = [];
|
|
var x = z[0],
|
|
y = z.slice(1);"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
member_expr,
|
|
r#"[foo.foo, foo.bar] = [1, 2];"#,
|
|
r#"foo.foo = 1, foo.bar = 2;"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
multiple,
|
|
r#"var coords = [1, 2];
|
|
var { x, y } = coords,
|
|
foo = "bar";"#,
|
|
r#"var coords = [1, 2];
|
|
var x = coords.x, y = coords.y, foo = "bar";"#
|
|
);
|
|
|
|
test_exec!(
|
|
ignore,
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
number_key_with_object_spread,
|
|
r#"const foo = {
|
|
1: "a",
|
|
2: "b",
|
|
3: "c",
|
|
};
|
|
|
|
const { [1]: bar, ...rest } = foo;
|
|
|
|
expect(bar).toBe("a");
|
|
expect(rest).toEqual({ 2: "b", 3: "c" });"#
|
|
);
|
|
|
|
test_exec!(
|
|
ignore,
|
|
syntax(),
|
|
|_| destructuring(Config { loose: true }),
|
|
spread_generator,
|
|
r#"function* f() {
|
|
for (var i = 0; i < 3; i++) {
|
|
yield i;
|
|
}
|
|
}
|
|
var [...xs] = f();
|
|
expect(xs).toEqual([0, 1, 2]);"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_test,
|
|
r#"function isSorted([x, y, ...wow]) {
|
|
if (!zs.length) return true
|
|
if (y > x) return isSorted(zs)
|
|
return false
|
|
}"#,
|
|
r#"function isSorted(ref) {
|
|
let x = ref[0], y = ref[1], wow = ref.slice(2);
|
|
if (!zs.length) return true;
|
|
if (y > x) return isSorted(zs);
|
|
return false;
|
|
}"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_311,
|
|
"const Foo = 'foo';
|
|
|
|
const bar = {
|
|
[Foo]: {
|
|
qux: 'baz'
|
|
}
|
|
};
|
|
|
|
const {
|
|
[Foo]: {
|
|
qux
|
|
}
|
|
} = bar;",
|
|
"
|
|
const Foo = 'foo';
|
|
const bar = {
|
|
[Foo]: {
|
|
qux: 'baz'
|
|
}
|
|
};
|
|
const qux = bar[Foo].qux;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_317,
|
|
"export const [
|
|
A,
|
|
B,
|
|
C
|
|
] = [1,2,3];
|
|
|
|
export const [
|
|
E,
|
|
D,
|
|
F
|
|
] = [4,5,6];",
|
|
"
|
|
export const A = 1, B = 2, C = 3;
|
|
export const E = 4, D = 5, F = 6;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_336,
|
|
"const { 'foo-bar': fooBar } = baz;",
|
|
"const fooBar = baz['foo-bar'];"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_404_1,
|
|
"function foo(bar) {
|
|
const { foo } = bar;
|
|
return foo;
|
|
}",
|
|
"
|
|
function foo(bar) {
|
|
const foo = bar.foo;
|
|
return foo;
|
|
}"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|t| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
es2015(
|
|
unresolved_mark,
|
|
Some(t.comments.clone()),
|
|
Default::default()
|
|
),
|
|
)
|
|
},
|
|
issue_404_2,
|
|
"function foo(bar) {
|
|
const { foo } = bar;
|
|
return foo;
|
|
}",
|
|
"
|
|
function foo(bar) {
|
|
var foo = bar.foo;
|
|
return foo;
|
|
}"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_404_3,
|
|
"function foo(bar) {
|
|
var { foo: foo1 } = bar;
|
|
return foo1;
|
|
}",
|
|
"
|
|
function foo(bar) {
|
|
var foo1 = bar.foo;
|
|
return foo1;
|
|
}
|
|
"
|
|
);
|
|
|
|
// destructuring_function_key_with_object_rest_spread
|
|
test_exec!(
|
|
syntax(),
|
|
|_| chain!(
|
|
object_rest_spread(Default::default()),
|
|
destructuring(Default::default())
|
|
),
|
|
destructuring_function_key_with_object_rest_spread_exec,
|
|
r#"
|
|
const { [(() => 1)()]: a, ...rest } = { 1: "a" };
|
|
|
|
expect(a).toBe("a");
|
|
expect(rest).toEqual({});
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_8528
|
|
test!(
|
|
syntax(),
|
|
|_| destructuring(Default::default()),
|
|
regression_8528,
|
|
r#"
|
|
function isBetween(x, a, b) {
|
|
if (a > b) [a, b] = [b, a];
|
|
return x > a && x < b;
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
function isBetween(x, a, b) {
|
|
var ref;
|
|
if (a > b) ref = [b, a], a = ref[0], b = ref[1], ref;
|
|
|
|
return x > a && x < b;
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_for_of
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
spread(Default::default()),
|
|
destructuring(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default()),
|
|
),
|
|
destructuring_for_of,
|
|
r#"
|
|
for (var [ name, before, after ] of test.expectation.registers) {
|
|
|
|
}
|
|
|
|
for ([ name, before, after ] of test.expectation.registers) {
|
|
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
for (var _$ref of test.expectation.registers){
|
|
var _ref = _sliced_to_array(_$ref, 3), name = _ref[0], before = _ref[1], after = _ref[2];
|
|
}
|
|
|
|
var _$ref1;
|
|
for (ref of test.expectation.registers){
|
|
_$ref1 = _sliced_to_array(ref, 3), name = _$ref1[0], before = _$ref1[1], after = _$ref1[2], _$ref1;
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_object_basic
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_object_basic,
|
|
r#"
|
|
var coords = [1, 2];
|
|
var { x, y } = coords;
|
|
|
|
"#,
|
|
r#"
|
|
var coords = [1, 2];
|
|
var x = coords.x,
|
|
y = coords.y;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_arrow_function_block
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_assignment_arrow_function_block,
|
|
r#"
|
|
() => { [a, b] = [1, 2] }
|
|
|
|
"#,
|
|
r#"
|
|
() => {
|
|
a = 1, b = 2;
|
|
};
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_non_iterable
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_non_iterable_exec,
|
|
r#"
|
|
expect(
|
|
() => {
|
|
var [foo, bar] = undefined;
|
|
}).toThrow();
|
|
|
|
expect(
|
|
() => {
|
|
var foo = [ ...undefined ];
|
|
}).toThrow();
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_empty_object_pattern
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_empty_object_pattern_exec,
|
|
r#"
|
|
expect(function () {
|
|
var {} = null;
|
|
}).toThrow("Cannot destructure null");
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_chained
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_chained_exec,
|
|
r#"
|
|
var a, b, c, d;
|
|
({ a, b } = ({ c, d } = { a: 1, b: 2, c: 3, d: 4}));
|
|
expect(a).toBe(1);
|
|
expect(b).toBe(2);
|
|
expect(c).toBe(3);
|
|
expect(d).toBe(4);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_object_rest_impure_computed_keys
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_object_rest_impure_computed_keys_exec,
|
|
r#"
|
|
var key, x, y, z;
|
|
// impure
|
|
key = 1;
|
|
var { [key++]: y, ...x } = { 1: 1, a: 1 };
|
|
expect(x).toEqual({ a: 1 });
|
|
expect(key).toBe(2);
|
|
expect(1).toBe(y);
|
|
|
|
// takes care of the order
|
|
|
|
key = 1;
|
|
var { [++key]: y, [++key]: z, ...rest} = {2: 2, 3: 3};
|
|
expect(y).toBe(2);
|
|
expect(z).toBe(3);
|
|
|
|
// pure, computed property should remain as-is
|
|
key = 2;
|
|
({ [key]: y, z, ...x } = {2: "two", z: "zee"});
|
|
expect(y).toBe("two");
|
|
expect(x).toEqual({});
|
|
expect(z).toBe("zee");
|
|
|
|
// rhs evaluated before lhs
|
|
var order = [];
|
|
function left() {
|
|
order.push("left");
|
|
return 0;
|
|
}
|
|
function right() {
|
|
order.push("right");
|
|
return {};
|
|
}
|
|
var { [left()]: y, ...x} = right();
|
|
expect(order).toEqual(["right", "left"]);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_issue_5090
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_issue_5090_exec,
|
|
r#"
|
|
const assign = function([...arr], index, value) {
|
|
arr[index] = value;
|
|
return arr;
|
|
}
|
|
|
|
const arr = [1, 2, 3];
|
|
assign(arr, 1, 42);
|
|
|
|
expect(arr).toEqual([1, 2, 3]);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_default_precedence
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_default_precedence_exec,
|
|
r#"
|
|
var f0 = function (a, b = a, c = b) {
|
|
return [a, b, c];
|
|
};
|
|
|
|
expect(f0(1)).toEqual([1, 1, 1]);
|
|
|
|
var f1 = function ({a}, b = a, c = b) {
|
|
return [a, b, c];
|
|
};
|
|
|
|
expect(f1({a: 1})).toEqual([1, 1, 1]);
|
|
|
|
var f2 = function ({a}, b = a, c = a) {
|
|
return [a, b, c];
|
|
};
|
|
|
|
expect(f2({a: 1})).toEqual([1, 1, 1]);
|
|
|
|
"#
|
|
);
|
|
|
|
//// destructuring_es7_object_rest_builtins
|
|
//test!(
|
|
// syntax(),
|
|
// |_| tr(r#"{
|
|
// "plugins": [
|
|
//
|
|
// [destructuring(Default::default()), { "useBuiltIns": true }],
|
|
// spread(spread::Config{..Default::default()}),
|
|
// parameters(Default::default()),
|
|
// block_scoping(),
|
|
// object_rest_spread(Default::default()),
|
|
// ]
|
|
//}
|
|
//"#),
|
|
// destructuring_es7_object_rest_builtins,
|
|
// r#"
|
|
//var z = {};
|
|
//var { ...x } = z;
|
|
//var { x, ...y } = z;
|
|
//var { [x]: x, ...y } = z;
|
|
//(function({ x, ...y }) { });
|
|
//
|
|
//({ x, y, ...z } = o);
|
|
//
|
|
//"#,
|
|
// r#"
|
|
//var z = {};
|
|
//var _z = z,
|
|
// x = Object.assign({}, _z);
|
|
//var _z2 = z,
|
|
// x = _z2.x,
|
|
// y = _object_without_properties(_z2, ["x"]);
|
|
//var _z3 = z,
|
|
// x = _z3[x],
|
|
// y = _object_without_properties(_z3, [x].map(_to_property_key));
|
|
//
|
|
//(function (_ref) {
|
|
// var x = _ref.x,
|
|
// y = _object_without_properties(_ref, ["x"]);
|
|
//});
|
|
//
|
|
//var _o = o;
|
|
//x = _o.x;
|
|
//y = _o.y;
|
|
//z = _object_without_properties(_o, ["x", "y"]);
|
|
//_o;
|
|
//
|
|
//"#
|
|
//);
|
|
|
|
// destructuring_parameters
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_parameters,
|
|
r#"
|
|
function somethingAdvanced({topLeft: {x: x1, y: y1} = {}, bottomRight: {x: x2, y: y2} = {}}, p2, p3){
|
|
|
|
}
|
|
|
|
function unpackObject({title: title, author: author}) {
|
|
return title + " " + author;
|
|
}
|
|
|
|
console.log(unpackObject({title: "title", author: "author"}));
|
|
|
|
var unpackArray = function ([a, b, c], [x, y, z]) {
|
|
return a+b+c;
|
|
};
|
|
|
|
console.log(unpackArray(["hello", ", ", "world"], [1, 2, 3]));
|
|
|
|
"#,
|
|
r#"
|
|
function somethingAdvanced(param, p2, p3) {
|
|
var tmp = param.topLeft, _ref = tmp === void 0 ? {
|
|
} : tmp, x1 = _ref.x, y1 = _ref.y, tmp1 = param.bottomRight, _ref1 = tmp1 === void 0 ? {
|
|
} : tmp1, x2 = _ref1.x, y2 = _ref1.y;
|
|
}
|
|
|
|
function unpackObject(param) {
|
|
var title = param.title,
|
|
author = param.author;
|
|
return title + " " + author;
|
|
}
|
|
|
|
console.log(unpackObject({
|
|
title: "title",
|
|
author: "author"
|
|
}));
|
|
|
|
var unpackArray = function(param, param1) {
|
|
var _param = _sliced_to_array(param, 3),
|
|
a = _param[0],
|
|
b = _param[1],
|
|
c = _param[2],
|
|
_param1 = _sliced_to_array(param1, 3),
|
|
x = _param1[0],
|
|
y = _param1[1],
|
|
z = _param1[2];
|
|
|
|
return a + b + c;
|
|
};
|
|
|
|
console.log(unpackArray(["hello", ", ", "world"], [1, 2, 3]));
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_array_unpack_optimisation
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_array_unpack_optimisation,
|
|
r#"
|
|
var [a, b] = [1, 2];
|
|
var [[a, b]] = [[1, 2]];
|
|
var [a, b, ...c] = [1, 2, 3, 4];
|
|
var [[a, b, ...c]] = [[1, 2, 3, 4]];
|
|
|
|
var [a, b] = [1, 2, 3];
|
|
var [[a, b]] = [[1, 2, 3]];
|
|
var [a, b] = [a, b];
|
|
[a[0], a[1]] = [a[1], a[0]];
|
|
var [a, b] = [...foo, bar];
|
|
var [a, b] = [foo(), bar];
|
|
var [a, b] = [clazz.foo(), bar];
|
|
var [a, b] = [clazz.foo, bar];
|
|
var [a, b] = [, 2];
|
|
[a, b] = [1, 2];
|
|
[a, b] = [, 2];
|
|
; // Avoid completion record special case
|
|
|
|
"#,
|
|
r#"
|
|
var a = 1,
|
|
b = 2;
|
|
var a = 1,
|
|
b = 2;
|
|
var a = 1,
|
|
b = 2,
|
|
c = [3, 4];
|
|
var a = 1,
|
|
b = 2,
|
|
c = [3, 4];
|
|
var _ref = [1, 2, 3],
|
|
a = _ref[0],
|
|
b = _ref[1];
|
|
var _ref1 = [1, 2, 3],
|
|
a = _ref1[0],
|
|
b = _ref1[1];
|
|
var _ref2 = [a, b],
|
|
a = _ref2[0],
|
|
b = _ref2[1];
|
|
var ref;
|
|
ref = [a[1], a[0]], a[0] = ref[0], a[1] = ref[1], ref;
|
|
|
|
|
|
var _to_consumable_array_concat = _sliced_to_array(_to_consumable_array(foo).concat([bar]), 2), a = _to_consumable_array_concat[0], b = _to_consumable_array_concat[1];
|
|
// TODO: var ref4 = _to_consumable_array(foo).concat([bar]), a = ref4[0], b = ref4[1];
|
|
|
|
var _ref3 = [foo(), bar],
|
|
a = _ref3[0],
|
|
b = _ref3[1];
|
|
var _ref4 = [clazz.foo(), bar],
|
|
a = _ref4[0],
|
|
b = _ref4[1];
|
|
var _ref5 = [clazz.foo, bar],
|
|
a = _ref5[0],
|
|
b = _ref5[1];
|
|
var a,
|
|
b = 2;
|
|
a = 1, b = 2;
|
|
a = void 0, b = 2;
|
|
|
|
; // Avoid completion record special case
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_known_array
|
|
test!(
|
|
// We will use constant propagation instead of optimizing in each pass
|
|
ignore,
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_known_array,
|
|
r#"
|
|
var z = [];
|
|
var [x, ...y] = z;
|
|
|
|
"#,
|
|
r#"
|
|
var z = [];
|
|
var x = z[0],
|
|
y = z.slice(1);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_es7_object_rest
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_es7_object_rest,
|
|
r#"
|
|
var z = {};
|
|
var { ...x } = z;
|
|
var { x, ...y } = z;
|
|
var { [x]: x, ...y } = z;
|
|
(function({ x, ...y }) { });
|
|
|
|
({ x, y, ...z } = o);
|
|
|
|
"#,
|
|
r#"
|
|
var z = {};
|
|
var x = _extends({
|
|
}, _object_destructuring_empty(z));
|
|
var x = z.x,
|
|
y = _object_without_properties(z, ["x"]);
|
|
var x = z[x],
|
|
y = _object_without_properties(z, [x].map(_to_property_key));
|
|
|
|
(function (_param) {
|
|
var x = _param.x,
|
|
y = _object_without_properties(_param, ["x"]);
|
|
});
|
|
|
|
var _o;
|
|
var ref;
|
|
_o = o, z = _object_without_properties(_o, ["x", "y"]), ref = _o, x = ref.x, y = ref.y, ref, _o;
|
|
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_const
|
|
test_exec!(
|
|
syntax(),
|
|
|_| destructuring(Default::default()),
|
|
destructuring_const_exec,
|
|
r#"
|
|
const getState = () => ({});
|
|
|
|
const { data: { courses: oldCourses = [] } = {} } = getState();
|
|
|
|
expect(oldCourses).toEqual([]);
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_expression_pattern
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_assignment_expression_pattern,
|
|
r#"
|
|
var z = {};
|
|
var { x: { y } = {} } = z;
|
|
|
|
"#,
|
|
r#"
|
|
var z = {};
|
|
var tmp = z.x, y = (tmp === void 0 ? {} : tmp).y;
|
|
"#
|
|
);
|
|
|
|
// destructuring_object_advanced
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_object_advanced,
|
|
r#"
|
|
var rect = {};
|
|
var {topLeft: {x: x1, y: y1}, bottomRight: {x: x2, y: y2}} = rect;
|
|
var { 3: foo, 5: bar } = [0, 1, 2, 3, 4, 5, 6];
|
|
|
|
"#,
|
|
r#"
|
|
var rect = {};
|
|
var _rect_topLeft = rect.topLeft,
|
|
x1 = _rect_topLeft.x,
|
|
y1 = _rect_topLeft.y,
|
|
_rect_bottomRight = rect.bottomRight,
|
|
x2 = _rect_bottomRight.x,
|
|
y2 = _rect_bottomRight.y;
|
|
var _ref = [0, 1, 2, 3, 4, 5, 6],
|
|
foo = _ref[3],
|
|
bar = _ref[5];
|
|
"#
|
|
);
|
|
|
|
// destructuring_spread
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_spread,
|
|
r#"
|
|
function isSorted([x, y, ...wow]) {
|
|
if (!zs.length) return true
|
|
if (y > x) return isSorted(zs)
|
|
return false
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
function isSorted(param) {
|
|
var _param = _to_array(param),
|
|
x = _param[0],
|
|
y = _param[1],
|
|
wow = _param.slice(2);
|
|
|
|
if (!zs.length) return true;
|
|
if (y > x) return isSorted(zs);
|
|
return false;
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_mixed
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
)
|
|
},
|
|
destructuring_mixed,
|
|
r#"
|
|
var rect = {};
|
|
var {topLeft: [x1, y1], bottomRight: [x2, y2] } = rect;
|
|
|
|
"#,
|
|
r#"
|
|
var rect = {};
|
|
|
|
var _rect_topLeft = _sliced_to_array(rect.topLeft, 2),
|
|
x1 = _rect_topLeft[0],
|
|
y1 = _rect_topLeft[1],
|
|
_rect_bottomRight = _sliced_to_array(rect.bottomRight, 2),
|
|
x2 = _rect_bottomRight[0],
|
|
y2 = _rect_bottomRight[1];
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_statement
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
destructuring(Default::default()),
|
|
spread(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default())
|
|
),
|
|
destructuring_assignment_statement_no_loose,
|
|
r#"
|
|
[a, b] = f();
|
|
"#,
|
|
r#"
|
|
var ref;
|
|
ref = _sliced_to_array(f(), 2), a = ref[0], b = ref[1], ref;
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_statement_loose
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
destructuring(Config { loose: true }),
|
|
spread(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default())
|
|
),
|
|
destructuring_assignment_statement,
|
|
r#"
|
|
[a, b] = f();
|
|
"#,
|
|
r#"
|
|
var ref;
|
|
ref = f(), a = ref[0], b = ref[1], ref;
|
|
"#
|
|
);
|
|
|
|
// destructuring_array
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_array,
|
|
r#"
|
|
var [a, [b], [c]] = ["hello", [", ", "junk"], ["world"]];
|
|
[a, [b], [c]] = ["hello", [", ", "junk"], ["world"]];
|
|
|
|
"#,
|
|
r#"
|
|
var a = "hello",
|
|
_ref = [", ", "junk"],
|
|
b = _ref[0],
|
|
c = "world";
|
|
var ref, ref1;
|
|
a = "hello",
|
|
ref = [", ", "junk"],
|
|
b = ref[0],
|
|
ref,
|
|
ref1 = ["world"],
|
|
c = ref1[0],
|
|
ref1;
|
|
"#
|
|
);
|
|
|
|
// destructuring_assignment_arrow_function_no_block
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_assignment_arrow_function_no_block,
|
|
r#"
|
|
() => [a, b] = [1, 2]
|
|
|
|
"#,
|
|
r#"
|
|
var ref;
|
|
()=>(ref = [1, 2], a = ref[0], b = ref[1], ref)
|
|
"#
|
|
);
|
|
|
|
// destructuring_issue_9834
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_issue_9834,
|
|
r#"
|
|
const input = {};
|
|
|
|
const {
|
|
given_name: givenName,
|
|
'last_name': lastName,
|
|
[`country`]: country,
|
|
[prefix + 'state']: state,
|
|
[`${prefix}consents`]: consents,
|
|
...rest
|
|
} = input;
|
|
|
|
"#,
|
|
r#"
|
|
var input = {};
|
|
|
|
var _key = prefix + 'state',
|
|
_key1 = `${prefix}consents`,
|
|
givenName = input.given_name,
|
|
lastName = input['last_name'],
|
|
country = input[`country`],
|
|
state = input[_key],
|
|
consents = input[_key1],
|
|
rest = _object_without_properties(input, ["given_name", 'last_name', `country`, _key, _key1].map(_to_property_key));
|
|
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_number_key_with_object_rest_spread
|
|
test_exec!(
|
|
syntax(),
|
|
|_| chain!(
|
|
object_rest_spread(Default::default()),
|
|
destructuring(Default::default())
|
|
),
|
|
destructuring_number_key_with_object_rest_spread_exec,
|
|
r#"
|
|
const foo = {
|
|
1: "a",
|
|
2: "b",
|
|
3: "c",
|
|
};
|
|
|
|
const { [1]: bar, ...rest } = foo;
|
|
|
|
expect(bar).toBe("a");
|
|
expect(rest).toEqual({ 2: "b", 3: "c" });
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_for_in
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
spread(Default::default()),
|
|
destructuring(Default::default()),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default()),
|
|
),
|
|
destructuring_for_in,
|
|
r#"
|
|
for (var [name, value] in obj) {
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
|
|
for ([name, value] in obj) {
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
for(var _$ref in obj){
|
|
var _ref = _sliced_to_array(_$ref, 2), name = _ref[0], value = _ref[1];
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
var _$ref1;
|
|
for(ref in obj){
|
|
_$ref1 = _sliced_to_array(ref, 2), name = _$ref1[0], value = _$ref1[1], _$ref1;
|
|
print("Name: " + name + ", Value: " + value);
|
|
}"#
|
|
);
|
|
|
|
// destructuring_for_in_loose
|
|
test!(
|
|
syntax(),
|
|
|_| chain!(
|
|
spread(Default::default()),
|
|
destructuring(Config { loose: true }),
|
|
block_scoping(Mark::new()),
|
|
object_rest_spread(Default::default()),
|
|
),
|
|
destructuring_for_in_loose,
|
|
r#"
|
|
for (var [name, value] in obj) {
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
|
|
for ([name, value] in obj) {
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
for(var _$ref in obj){
|
|
var name = _$ref[0], value = _$ref[1];
|
|
print("Name: " + name + ", Value: " + value);
|
|
}
|
|
var _$ref1;
|
|
for(ref in obj){
|
|
_$ref1 = ref, name = _$ref1[0], value = _$ref1[1], _$ref1;
|
|
print("Name: " + name + ", Value: " + value);
|
|
}"#
|
|
);
|
|
|
|
// destructuring_issue_5744
|
|
test!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_issue_5744,
|
|
r#"
|
|
if (true) [a, b] = [b, a];
|
|
|
|
"#,
|
|
r#"
|
|
var ref;
|
|
if (true) ref = [b, a], a = ref[0], b = ref[1], ref;
|
|
|
|
"#
|
|
);
|
|
|
|
// destructuring_spread_generator
|
|
test_exec!(
|
|
syntax(),
|
|
|_| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
spread(Default::default()),
|
|
parameters(Default::default(), unresolved_mark),
|
|
destructuring(Default::default()),
|
|
block_scoping(unresolved_mark),
|
|
object_rest_spread(Default::default()),
|
|
)
|
|
},
|
|
destructuring_spread_generator_exec,
|
|
r#"
|
|
function* f() {
|
|
for (var i = 0; i < 3; i++) {
|
|
yield i;
|
|
}
|
|
}
|
|
var [...xs] = f();
|
|
expect(xs).toEqual([0, 1, 2]);
|
|
|
|
"#
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
custom_call,
|
|
"foo([a, b] = [1, 2])",
|
|
"var ref;
|
|
foo((ref = [1, 2], a = ref[0], b = ref[1], ref));"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_1,
|
|
"
|
|
const [ { a: a_ = 1 } ] = b
|
|
",
|
|
"
|
|
const _b_ = b[0], tmp = _b_.a, a_ = tmp === void 0 ? 1 : tmp;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_2,
|
|
"
|
|
async function f(a, b) {
|
|
const [ { a: a_ = 1 } ] = JSON.parse(b)
|
|
}
|
|
",
|
|
"
|
|
async function f(a, b) {
|
|
const _JSON_parse = JSON.parse(b), _JSON_parse_ = _JSON_parse[0], tmp = _JSON_parse_.a, a_ \
|
|
= tmp === void 0 ? 1 : tmp;
|
|
}
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_3,
|
|
"
|
|
const [ a = 1 ] = b
|
|
",
|
|
"
|
|
const tmp = b[0], a = tmp === void 0 ? 1 : tmp;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_1477_4,
|
|
"
|
|
[ a = 1 ] = b
|
|
",
|
|
"
|
|
var ref, ref1;
|
|
ref = b, ref1 = ref[0], a = ref1 === void 0 ? 1 : ref1, ref;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
next_001,
|
|
"
|
|
const { NODE_ENV }= process.env;
|
|
",
|
|
"
|
|
const NODE_ENV = process.env.NODE_ENV;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
next_002,
|
|
"
|
|
({ NODE_ENV }= process.env);
|
|
",
|
|
"
|
|
NODE_ENV = process.env.NODE_ENV;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_3315_1,
|
|
"\
|
|
var baz = 1;
|
|
({ foo: bar = baz } = {});
|
|
",
|
|
"\
|
|
var baz = 1;
|
|
var ref, ref1;
|
|
ref = {}, ref1 = ref.foo, bar = ref1 === void 0 ? baz : ref1, ref;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_3315_2,
|
|
"\
|
|
var baz = 1;
|
|
[bar = baz] = [];
|
|
",
|
|
"\
|
|
var baz = 1;
|
|
var ref, ref1;
|
|
ref = [], ref1 = ref[0], bar = ref1 === void 0 ? baz : ref1, ref;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_let_dstr_ary_ptrn_elem_id_init_hole,
|
|
"\
|
|
let [x = 23] = [,];
|
|
|
|
assert.sameValue(x, 23);
|
|
",
|
|
"\
|
|
let x = 23;
|
|
assert.sameValue(x, 23);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_let_dstr_ary_ptrn_elem_id_init_hole_2,
|
|
"\
|
|
let y = [x = 23] = [,];
|
|
",
|
|
"\
|
|
var ref, ref1;
|
|
let y = (ref = [,], ref1 = ref[0], x = ref1 === void 0 ? 23 : ref1, ref);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole,
|
|
"\
|
|
const [x = 23] = [,];
|
|
|
|
assert.sameValue(x, 23);
|
|
",
|
|
"\
|
|
const x = 23;
|
|
assert.sameValue(x, 23);
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole_2,
|
|
"const [x = 23, y = 42] = [,,];",
|
|
"const x = 23, y = 42;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole_3,
|
|
"const [x = 23, y] = [, 42];",
|
|
"const x = 23, y = 42;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_dstr_ary_ptrn_elem_id_init_hole_4,
|
|
"\
|
|
function* foo() {
|
|
yield 1;
|
|
yield 2;
|
|
}
|
|
|
|
let bar = foo();
|
|
|
|
const [x = bar.next().value, y] = [, bar.next().value];
|
|
console.log(x, y);
|
|
",
|
|
"\
|
|
function* foo() {
|
|
yield 1;
|
|
yield 2;
|
|
}
|
|
let bar = foo();
|
|
const _ref = [,bar.next().value], tmp = _ref[0],
|
|
x = tmp === void 0 ? bar.next().value : tmp, y = _ref[1];
|
|
console.log(x, y);"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
for_const_dstr_ary_ptrn_elem_id_init_hole,
|
|
"\
|
|
var iterCount = 0;
|
|
|
|
for (const [x = 23] = [,]; iterCount < 1; ) {
|
|
assert.sameValue(x, 23);
|
|
// another statement
|
|
|
|
iterCount += 1;
|
|
}
|
|
|
|
assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
|
|
",
|
|
"\
|
|
var iterCount = 0;
|
|
for(const x = 23; iterCount < 1;){
|
|
assert.sameValue(x, 23);
|
|
iterCount += 1;
|
|
}
|
|
assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_const_id_init_hole,
|
|
"\
|
|
const [x] = [,];
|
|
const [y] = [,], [z] = [,]
|
|
",
|
|
"\
|
|
const x = void 0;
|
|
const y = void 0, z = void 0;
|
|
"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
statements_let_id_init_hole,
|
|
"let [x] = [,];",
|
|
"let x;"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_6304,
|
|
"let [] = [];",
|
|
"let _ref = [];"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_6304_1,
|
|
"let [] = [,];",
|
|
"let _ref = [,];"
|
|
);
|
|
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_6304_2,
|
|
"let [] = [...[1, 2, 3]];",
|
|
"let _ref = [...[1, 2, 3]];"
|
|
);
|
|
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
issue_7418,
|
|
r#"
|
|
const truc = { as: "OK"}
|
|
|
|
function x(as) {
|
|
return function g() {
|
|
const { as } = truc
|
|
console.log(as)
|
|
}
|
|
as
|
|
}
|
|
|
|
x()();
|
|
"#
|
|
);
|
|
|
|
#[testing::fixture("tests/destructuring/**/input.js")]
|
|
fn fixture(input: PathBuf) {
|
|
let parent = input.parent().unwrap();
|
|
|
|
let output = parent.join("output.js");
|
|
test_fixture(
|
|
Syntax::Es(Default::default()),
|
|
&|_: &mut swc_ecma_transforms_testing::Tester<'_>| {
|
|
let unresolved_mark = Mark::new();
|
|
let top_level_mark = Mark::new();
|
|
|
|
chain!(
|
|
resolver(unresolved_mark, top_level_mark, false),
|
|
object_rest_spread(Default::default()),
|
|
destructuring(Default::default())
|
|
)
|
|
},
|
|
&input,
|
|
&output,
|
|
Default::default(),
|
|
)
|
|
}
|