mirror of
https://github.com/swc-project/swc.git
synced 2024-12-30 17:15:11 +03:00
898 lines
13 KiB
Rust
898 lines
13 KiB
Rust
use swc_common::chain;
|
|
use swc_ecma_transforms_compat::es2015::block_scoping;
|
|
use swc_ecma_transforms_compat::es2015::parameters;
|
|
use swc_ecma_transforms_compat::es2015::spread;
|
|
use swc_ecma_transforms_compat::es2015::spread::Config;
|
|
use swc_ecma_transforms_testing::test;
|
|
use swc_ecma_transforms_testing::test_exec;
|
|
use swc_ecma_visit::Fold;
|
|
|
|
fn syntax() -> ::swc_ecma_parser::Syntax {
|
|
Default::default()
|
|
}
|
|
|
|
fn tr() -> impl Fold {
|
|
chain!(
|
|
parameters(),
|
|
spread(Config {
|
|
..Default::default()
|
|
})
|
|
)
|
|
}
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
issue_270,
|
|
"instance[name](...args);",
|
|
"var _instance;
|
|
(_instance = instance)[name].apply(_instance, _toConsumableArray(args));"
|
|
);
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
custom_call,
|
|
"ca(a, b, c, ...d, e)",
|
|
"ca.apply(void 0, [a, b, c].concat(_toConsumableArray(d), [e]));"
|
|
);
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
custom_call_multi_spread,
|
|
"ca(a, b, ...d, e, f, ...h)",
|
|
"ca.apply(void 0, [a, b].concat(_toConsumableArray(d), [e, f], _toConsumableArray(h)));"
|
|
);
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
custom_call_noop,
|
|
"ca(a, b, c, d, e)",
|
|
"ca(a, b, c, d, e);"
|
|
);
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
custom_array,
|
|
"[a, b, c, ...d, e]",
|
|
"[a, b, c].concat(_toConsumableArray(d), [e])"
|
|
);
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
custom_array_empty,
|
|
"[a,, b, c, ...d,,, e]",
|
|
"[a,, b, c].concat(_toConsumableArray(d), [,, e])"
|
|
);
|
|
|
|
test!(
|
|
::swc_ecma_parser::Syntax::default(),
|
|
|_| tr(),
|
|
custom_new_noop,
|
|
"new C(a, b, c, c, d, e)",
|
|
"new C(a, b, c, c, d, e);"
|
|
);
|
|
|
|
// this_context
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
this_context,
|
|
r#"
|
|
var obj = {
|
|
foo: function foo() {
|
|
this.bar(...arguments)
|
|
this.blah(...arguments)
|
|
}
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
var obj = {
|
|
foo: function foo() {
|
|
this.bar.apply(this, arguments);
|
|
this.blah.apply(this, arguments);
|
|
}
|
|
};
|
|
|
|
"#
|
|
);
|
|
|
|
// arguments_array
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
arguments_array,
|
|
r#"
|
|
function foo() {
|
|
return bar([...arguments]);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#,
|
|
r#"
|
|
function foo() {
|
|
return bar(Array.prototype.slice.call(arguments));
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#
|
|
);
|
|
|
|
// single_exec
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
single_exec,
|
|
r#"
|
|
// test that toConsumableArray clones the array.
|
|
const arr = [];
|
|
const foo = () => arr;
|
|
|
|
const x = [...foo()];
|
|
|
|
expect(x).not.toBe(arr);
|
|
|
|
"#
|
|
);
|
|
|
|
// arguments_concat
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
arguments_concat,
|
|
r#"
|
|
function foo() {
|
|
return bar("test", ...arguments);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#,
|
|
r#"
|
|
function foo() {
|
|
return bar.apply(void 0, ["test"].concat(Array.prototype.slice.call(arguments)));
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#
|
|
);
|
|
|
|
// contexted_method_call_super_multiple_args
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
contexted_method_call_super_multiple_args,
|
|
r#"
|
|
class Foo {
|
|
bar() {
|
|
super.bar(arg1, arg2, ...args);
|
|
}
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
class Foo {
|
|
bar() {
|
|
super.bar.apply(this, [arg1, arg2].concat(_toConsumableArray(args)));
|
|
}
|
|
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// array_literal_first
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_literal_first,
|
|
r#"
|
|
var lyrics = [...parts, "head", "and", "toes"];
|
|
|
|
"#,
|
|
r#"
|
|
var lyrics = _toConsumableArray(parts).concat(['head', 'and', 'toes']);
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_t6761
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
regression_t6761,
|
|
r#"
|
|
function fn(){}
|
|
|
|
var args = [1, 2, 3];
|
|
var obj = {obj: {fn}};
|
|
|
|
switch (true){
|
|
case true:
|
|
obj.obj.fn(...args);
|
|
break;
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
var _obj;
|
|
|
|
function fn() {}
|
|
|
|
var args = [1, 2, 3];
|
|
var obj = {
|
|
obj: {
|
|
fn
|
|
}
|
|
};
|
|
|
|
switch (true) {
|
|
case true:
|
|
(_obj = obj.obj).fn.apply(_obj, _toConsumableArray(args));
|
|
|
|
break;
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// method_call_middle
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
method_call_middle,
|
|
r#"
|
|
add(foo, ...numbers, bar);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, [foo].concat(_toConsumableArray(numbers), [bar]));
|
|
|
|
"#
|
|
);
|
|
|
|
// contexted_method_call_multiple_args
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
contexted_method_call_multiple_args,
|
|
r#"
|
|
foob.add(foo, bar, ...numbers);
|
|
foob.test.add(foo, bar, ...numbers);
|
|
|
|
"#,
|
|
r#"
|
|
var _foob, _test;
|
|
|
|
(_foob = foob).add.apply(_foob, [foo, bar].concat(_toConsumableArray(numbers)));
|
|
|
|
(_test = foob.test).add.apply(_test, [foo, bar].concat(_toConsumableArray(numbers)));
|
|
|
|
"#
|
|
);
|
|
|
|
// contexted_computed_method_call_multiple_args
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
contexted_computed_method_call_multiple_args,
|
|
r#"
|
|
obj[method](foo, bar, ...args);
|
|
|
|
"#,
|
|
r#"
|
|
var _obj;
|
|
|
|
(_obj = obj)[method].apply(_obj, [foo, bar].concat(_toConsumableArray(args)));
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_6647
|
|
|
|
// method_call_multiple_args
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
method_call_multiple_args,
|
|
r#"
|
|
add(foo, bar, ...numbers);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, [foo, bar].concat(_toConsumableArray(numbers)));
|
|
|
|
"#
|
|
);
|
|
|
|
// array_literal_middle
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_literal_middle,
|
|
r#"
|
|
var a = [b, ...c, d];
|
|
|
|
"#,
|
|
r#"
|
|
var a = [b].concat(_toConsumableArray(c), [d]);
|
|
|
|
"#
|
|
);
|
|
|
|
// array_literal_with_hole
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_literal_with_hole,
|
|
r#"
|
|
var arr = [ 'a',, 'b', ...c ];
|
|
|
|
"#,
|
|
r#"
|
|
var arr = ['a',, 'b'].concat(_toConsumableArray(c));
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_issue_8907
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
regression_issue_8907_modified,
|
|
r#"
|
|
const arr = [];
|
|
|
|
arr.concat = () => {
|
|
throw new Error('Should not be called');
|
|
};
|
|
|
|
const x = [...arr];
|
|
|
|
"#,
|
|
r#"
|
|
const arr = [];
|
|
|
|
arr.concat = () => {
|
|
throw new Error('Should not be called');
|
|
};
|
|
|
|
const x = _toConsumableArray(arr);
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_issue_8907
|
|
test!(
|
|
// Cost is too high
|
|
ignore,
|
|
syntax(),
|
|
|_| tr(),
|
|
regression_issue_8907,
|
|
r#"
|
|
const arr = [];
|
|
|
|
arr.concat = () => {
|
|
throw new Error('Should not be called');
|
|
};
|
|
|
|
const x = [...arr];
|
|
|
|
"#,
|
|
r#"
|
|
const arr = [];
|
|
|
|
arr.concat = () => {
|
|
throw new Error('Should not be called');
|
|
};
|
|
|
|
const x = [].concat(arr);
|
|
|
|
"#
|
|
);
|
|
|
|
// method_call_multiple
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
method_call_multiple,
|
|
r#"
|
|
add(foo, ...numbers, bar, what, ...test);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, [foo].concat(_toConsumableArray(numbers), [bar, what], _toConsumableArray(test)));
|
|
|
|
"#
|
|
);
|
|
|
|
// arguments
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
arguments,
|
|
r#"
|
|
function foo() {
|
|
return bar(...arguments);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#,
|
|
r#"
|
|
function foo() {
|
|
return bar.apply(void 0, arguments);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_issue_8907_exec
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
regression_issue_8907_exec,
|
|
r#"
|
|
const arr = [];
|
|
|
|
arr.concat = () => {
|
|
throw new Error('Should not be called');
|
|
};
|
|
let x;
|
|
expect(() => {
|
|
x = [...arr];
|
|
}).not.toThrow();
|
|
|
|
expect(x).not.toBe(arr);
|
|
|
|
"#
|
|
);
|
|
|
|
// array_literal_multiple
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_literal_multiple,
|
|
r#"
|
|
var a = [b, ...c, d, e, ...f];
|
|
|
|
"#,
|
|
r#"
|
|
var a = [b].concat(_toConsumableArray(c), [d, e], _toConsumableArray(f));
|
|
|
|
"#
|
|
);
|
|
|
|
// arguments_array_exec
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
arguments_array_exec,
|
|
r#"
|
|
// test that toConsumableArray clones the array.
|
|
|
|
function foo() {
|
|
const x = [...arguments];
|
|
|
|
expect(x).not.toBe(arguments);
|
|
}
|
|
|
|
foo(1,2);
|
|
|
|
"#
|
|
);
|
|
|
|
// array_literals
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
array_literals,
|
|
r#"
|
|
var lyrics = ["head", "and", "toes", ...parts];
|
|
|
|
"#,
|
|
r#"
|
|
var lyrics = ["head", "and", "toes"].concat(_toConsumableArray(parts));
|
|
|
|
"#
|
|
);
|
|
|
|
// regression
|
|
|
|
// spread_new_expression
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_new_expression,
|
|
r#"
|
|
new Numbers(...nums);
|
|
new Numbers(1, ...nums);
|
|
|
|
"#,
|
|
r#"
|
|
_construct(Numbers, _toConsumableArray(nums));
|
|
_construct(Numbers, [1].concat(_toConsumableArray(nums)));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_array_literal_with_hole
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_array_literal_with_hole,
|
|
r#"
|
|
var arr = [ 'a',, 'b', ...c ];
|
|
|
|
"#,
|
|
r#"
|
|
var arr = ['a',, 'b'].concat(_toConsumableArray(c));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_single
|
|
test_exec!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_single_exec,
|
|
r#"
|
|
// test that toConsumableArray clones the array.
|
|
const arr = [];
|
|
const foo = () => arr;
|
|
|
|
const x = [...foo()];
|
|
|
|
expect(x).not.toBe(arr);
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_contexted_method_call_multiple_args
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_contexted_method_call_multiple_args,
|
|
r#"
|
|
foob.add(foo, bar, ...numbers);
|
|
foob.test.add(foo, bar, ...numbers);
|
|
|
|
"#,
|
|
r#"
|
|
var _foob, _test;
|
|
(_foob = foob).add.apply(_foob, [foo, bar].concat(_toConsumableArray(numbers)));
|
|
(_test = foob.test).add.apply(_test, [foo, bar].concat(_toConsumableArray(numbers)))
|
|
"#
|
|
);
|
|
|
|
// spread_method_call_array_literal
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_method_call_array_literal,
|
|
r#"
|
|
f(...[1, 2, 3]);
|
|
|
|
"#,
|
|
r#"
|
|
f.apply(void 0, [1, 2, 3]);
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_method_call_single_arg
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_method_call_single_arg,
|
|
r#"
|
|
add(...numbers);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, _toConsumableArray(numbers));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_known_rest
|
|
test!(
|
|
// Cost is too high.
|
|
ignore,
|
|
syntax(),
|
|
|_| chain!(tr(), block_scoping()),
|
|
spread_known_rest,
|
|
r#"
|
|
function foo(...bar) {
|
|
return [...bar];
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
function foo() {
|
|
for (var _len = arguments.length, bar = new Array(_len), _key = 0; _key < _len; _key++) {
|
|
bar[_key] = arguments[_key];
|
|
}
|
|
|
|
return [].concat(bar);
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_method_call_middle
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_method_call_middle,
|
|
r#"
|
|
add(foo, ...numbers, bar);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, [foo].concat(_toConsumableArray(numbers), [bar]));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_method_call_first
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_method_call_first,
|
|
r#"
|
|
add(...numbers, foo, bar);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, _toConsumableArray(numbers).concat([foo, bar]));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_contexted_method_call_super_single_arg
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_contexted_method_call_super_single_arg,
|
|
r#"
|
|
class Foo {
|
|
bar() {
|
|
super.bar(...args);
|
|
}
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
class Foo {
|
|
bar() {
|
|
super.bar.apply(this, _toConsumableArray(args));
|
|
}
|
|
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_contexted_method_call_single_arg
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_contexted_method_call_single_arg,
|
|
r#"
|
|
foob.add(...numbers);
|
|
foob.test.add(...numbers);
|
|
|
|
"#,
|
|
r#"
|
|
var _foob, _test;
|
|
(_foob = foob).add.apply(_foob, _toConsumableArray(numbers));
|
|
(_test = foob.test).add.apply(_test, _toConsumableArray(numbers));
|
|
"#
|
|
);
|
|
|
|
// spread_array_literal_middle
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_array_literal_middle,
|
|
r#"
|
|
var a = [b, ...c, d];
|
|
|
|
"#,
|
|
r#"
|
|
var a = [b].concat(_toConsumableArray(c), [d]);
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_array_literals
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_array_literals,
|
|
r#"
|
|
var lyrics = ["head", "and", "toes", ...parts];
|
|
|
|
"#,
|
|
r#"
|
|
var lyrics = ["head", "and", "toes"].concat(_toConsumableArray(parts));
|
|
|
|
"#
|
|
);
|
|
|
|
// regression_10416
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
regression_10416,
|
|
r#"
|
|
const E_ARR = [];
|
|
|
|
export default function () {
|
|
const someVar = E_ARR;
|
|
return [...someVar];
|
|
}
|
|
"#,
|
|
r#"
|
|
const E_ARR = [];
|
|
export default function () {
|
|
const someVar = E_ARR;
|
|
return _toConsumableArray(someVar);
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_method_call_multiple
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_method_call_multiple,
|
|
r#"
|
|
add(foo, ...numbers, bar, what, ...test);
|
|
|
|
"#,
|
|
r#"
|
|
add.apply(void 0, [foo].concat(_toConsumableArray(numbers), [bar, what], _toConsumableArray(test)));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_arguments
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_arguments,
|
|
r#"
|
|
function foo() {
|
|
return bar(...arguments);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#,
|
|
r#"
|
|
function foo() {
|
|
return bar.apply(void 0, arguments);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_contexted_method_call_super_multiple_args
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_contexted_method_call_super_multiple_args,
|
|
r#"
|
|
class Foo {
|
|
bar() {
|
|
super.bar(arg1, arg2, ...args);
|
|
}
|
|
}
|
|
|
|
"#,
|
|
r#"
|
|
class Foo {
|
|
bar() {
|
|
super.bar.apply(this, [arg1, arg2].concat(_toConsumableArray(args)));
|
|
}
|
|
|
|
}
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_contexted_computed_method_call_single_arg
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_contexted_computed_method_call_single_arg,
|
|
r#"
|
|
obj[method](...args);
|
|
|
|
"#,
|
|
r#"
|
|
var _obj;
|
|
|
|
(_obj = obj)[method].apply(_obj, _toConsumableArray(args));
|
|
|
|
"#
|
|
);
|
|
|
|
// spread_arguments_concat
|
|
test!(
|
|
syntax(),
|
|
|_| tr(),
|
|
spread_arguments_concat,
|
|
r#"
|
|
function foo() {
|
|
return bar("test", ...arguments);
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#,
|
|
r#"
|
|
function foo() {
|
|
return bar.apply(void 0, ["test"].concat(Array.prototype.slice.call(arguments)));
|
|
}
|
|
|
|
function bar(one, two, three) {
|
|
return [one, two, three];
|
|
}
|
|
|
|
foo("foo", "bar");
|
|
|
|
"#
|
|
);
|