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refactor(codegen): only print necessary parentheses in TSAsExpression (#6429)

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Part of fixing #6385
This commit is contained in:
Dunqing 2024-10-11 02:04:27 +00:00
parent 7458089e3c
commit 702b574afb
3 changed files with 27 additions and 9 deletions
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14
crates/oxc_codegen/src/gen.rs
View file

@ -2092,13 +2092,13 @@ impl<'a> GenExpr for NewExpression<'a> {
impl<'a> GenExpr for TSAsExpression<'a> {
fn gen_expr(&self, p: &mut Codegen, precedence: Precedence, ctx: Context) {
p.print_char(b'(');
p.print_char(b'(');
self.expression.print_expr(p, precedence, Context::default());
p.print_char(b')');
p.print_str(" as ");
self.type_annotation.print(p, ctx);
p.print_char(b')');
let wrap = precedence >= Precedence::Shift;
p.wrap(wrap, |p| {
self.expression.print_expr(p, Precedence::Exponentiation, ctx);
p.print_str(" as ");
self.type_annotation.print(p, ctx);
});
}
}

17
crates/oxc_codegen/tests/integration/snapshots/ts.snap
View file

@ -159,7 +159,7 @@ a = x!;
########## 25
b = (x as y);
----------
b = ((x) as y);
b = x as y;
########## 26
c = foo<string>;
@ -210,3 +210,18 @@ export type Component<
E extends EmitsOptions | Record<string, any[]> = {},
S extends Record<string, any> = any
> = ConcreteComponent<Props, RawBindings, D, C, M, E, S> | ComponentPublicInstanceConstructor<Props>;
########## 32
(a || b) as any
----------
(a || b) as any;
########## 33
(a ** b) as any
----------
(a ** b) as any;
########## 34
(function g() {}) as any
----------
(function g() {}) as any;

5
crates/oxc_codegen/tests/integration/ts.rs
View file

@ -50,7 +50,10 @@ export type Component<
> =
| ConcreteComponent<Props, RawBindings, D, C, M, E, S>
| ComponentPublicInstanceConstructor<Props>
"
",
"(a || b) as any",
"(a ** b) as any",
"(function g() {}) as any",
];
snapshot("ts", &cases);