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test(minifier): port tests from ConvertToDottedPropertiesTest (#8175)

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sapphi-red 2024-12-29 07:19:13 +00:00
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207
crates/oxc_minifier/src/ast_passes/peephole_substitute_alternate_syntax.rs
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@ -1270,4 +1270,211 @@ mod test {
test("x['true']", "x.true");
test_same("x['😊']");
}
// ----------
/// Port from <https://github.com/google/closure-compiler/blob/v20240609/test/com/google/javascript/jscomp/ConvertToDottedPropertiesTest.java>
#[test]
fn test_convert_to_dotted_properties_convert() {
test("a['p']", "a.p");
test("a['_p_']", "a._p_");
test("a['_']", "a._");
test("a['$']", "a.$");
test("a.b.c['p']", "a.b.c.p");
test("a.b['c'].p", "a.b.c.p");
test("a['p']();", "a.p();");
test("a()['p']", "a().p");
// ASCII in Unicode is always safe.
test("a['\\u0041A']", "a.AA");
// This is safe for ES5+. (keywords cannot be used for ES3)
test("a['default']", "a.default");
// This is safe for ES2015+. (\u1d17 was introduced in Unicode 3.1, ES2015+ uses Unicode 5.1+)
test("a['\\u1d17A']", "a.\u{1d17}A");
// Latin capital N with tilde - this is safe for ES3+.
test("a['\\u00d1StuffAfter']", "a.\u{00d1}StuffAfter");
}
#[test]
fn test_convert_to_dotted_properties_do_not_convert() {
test_same("a[0]");
test_same("a['']");
test_same("a[' ']");
test_same("a[',']");
test_same("a[';']");
test_same("a[':']");
test_same("a['.']");
test_same("a['0']");
test_same("a['p ']");
test_same("a['p' + '']");
test_same("a[p]");
test_same("a[P]");
test_same("a[$]");
test_same("a[p()]");
// Ignorable control characters are ok in Java identifiers, but not in JS.
test_same("a['A\\u0004']");
}
#[test]
fn test_convert_to_dotted_properties_already_dotted() {
test_same("a.b");
test_same("var a = {b: 0};");
}
#[test]
fn test_convert_to_dotted_properties_quoted_props() {
test_same("({'':0})");
test_same("({'1.0':0})");
test("({'\\u1d17A':0})", "({ \u{1d17}A: 0 })");
test_same("({'a\\u0004b':0})");
}
#[test]
fn test5746867() {
test_same("var a = { '$\\\\' : 5 };");
test_same("var a = { 'x\\\\u0041$\\\\' : 5 };");
}
#[test]
#[ignore]
fn test_convert_to_dotted_properties_optional_chaining() {
test("data?.['name']", "data?.name");
test("data?.['name']?.['first']", "data?.name?.first");
test("data['name']?.['first']", "data.name?.first");
test_same("a?.[0]");
test_same("a?.['']");
test_same("a?.[' ']");
test_same("a?.[',']");
test_same("a?.[';']");
test_same("a?.[':']");
test_same("a?.['.']");
test_same("a?.['0']");
test_same("a?.['p ']");
test_same("a?.['p' + '']");
test_same("a?.[p]");
test_same("a?.[P]");
test_same("a?.[$]");
test_same("a?.[p()]");
// This is safe for ES5+. (keywords cannot be used for ES3)
test("a?.['default']", "a?.default");
}
#[test]
#[ignore]
fn test_convert_to_dotted_properties_computed_property_or_field() {
test("const test1 = {['prop1']:87};", "const test1 = {prop1:87};");
test(
"const test1 = {['prop1']:87,['prop2']:bg,['prop3']:'hfd'};",
"const test1 = {prop1:87,prop2:bg,prop3:'hfd'};",
);
test(
"o = {['x']: async function(x) { return await x + 1; }};",
"o = {x:async function (x) { return await x + 1; }};",
);
test("o = {['x']: function*(x) {}};", "o = {x: function*(x) {}};");
test(
"o = {['x']: async function*(x) { return await x + 1; }};",
"o = {x:async function*(x) { return await x + 1; }};",
);
test("class C {'x' = 0; ['y'] = 1;}", "class C { x= 0;y= 1;}");
test("class C {'m'() {} }", "class C {m() {}}");
test("const o = {'b'() {}, ['c']() {}};", "const o = {b: function() {}, c:function(){}};");
test("o = {['x']: () => this};", "o = {x: () => this};");
test("const o = {get ['d']() {}};", "const o = {get d() {}};");
test("const o = { set ['e'](x) {}};", "const o = { set e(x) {}};");
test(
"class C {'m'() {} ['n']() {} 'x' = 0; ['y'] = 1;}",
"class C {m() {} n() {} x= 0;y= 1;}",
);
test(
"const o = { get ['d']() {}, set ['e'](x) {}};",
"const o = {get d() {}, set e(x){}};",
);
test(
"const o = {['a']: 1,'b'() {}, ['c']() {}, get ['d']() {}, set ['e'](x) {}};",
"const o = {a: 1,b: function() {}, c: function() {}, get d() {}, set e(x) {}};",
);
// test static keyword
test(
r"
class C {
'm'(){}
['n'](){}
static 'x' = 0;
static ['y'] = 1;}
",
r"
class C {
m(){}
n(){}
static x = 0;
static y= 1;}
",
);
test(
r"
window['MyClass'] = class {
static ['Register'](){}
};
",
r"
window.MyClass = class {
static Register(){}
};
",
);
test(
r"
class C {
'method'(){}
async ['method1'](){}
*['method2'](){}
static ['smethod'](){}
static async ['smethod1'](){}
static *['smethod2'](){}}
",
r"
class C {
method(){}
async method1(){}
*method2(){}
static smethod(){}
static async smethod1(){}
static *smethod2(){}}
",
);
test_same("const o = {[fn()]: 0}");
test_same("const test1 = {[0]:87};");
test_same("const test1 = {['default']:87};");
test_same("class C { ['constructor']() {} }");
test_same("class C { ['constructor'] = 0 }");
}
#[test]
#[ignore]
fn test_convert_to_dotted_properties_computed_property_with_default_value() {
test("const {['o']: o = 0} = {};", "const {o:o = 0} = {};");
}
#[test]
#[ignore]
fn test_convert_to_dotted_properties_continue_optional_chaining() {
test("const opt1 = window?.a?.['b'];", "const opt1 = window?.a?.b;");
test("const opt2 = window?.a['b'];", "const opt2 = window?.a.b;");
test(
r"
const chain =
window['a'].x.y.b.x.y['c'].x.y?.d.x.y['e'].x.y
['f-f'].x.y?.['g-g'].x.y?.['h'].x.y['i'].x.y;
",
r"
const chain = window.a.x.y.b.x.y.c.x.y?.d.x.y.e.x.y
['f-f'].x.y?.['g-g'].x.y?.h.x.y.i.x.y;
",
);
}
}