swc/tests/simple.rs

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use std::sync::Arc;
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use swc::{
config::{Config, JscConfig, Options},
Compiler,
};
use swc_common::FileName;
use swc_ecma_ast::EsVersion;
use swc_ecma_parser::TsConfig;
use swc_ecma_parser::{EsConfig, Syntax};
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use testing::Tester;
fn compile(src: &str, options: Options) -> String {
Tester::new()
.print_errors(|cm, handler| {
let c = Compiler::new(cm.clone(), Arc::new(handler));
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let fm = cm.new_source_file(FileName::Real("input.js".into()), src.into());
let s = c.process_js_file(
fm,
&Options {
is_module: true,
..options
},
);
match s {
Ok(v) => {
if c.handler.has_errors() {
Err(())
} else {
Ok(v.code.into())
}
}
Err(..) => Err(()),
}
})
.unwrap()
}
#[test]
fn issue_834_1() {
compile(
"var foo = 2n + 7n;",
Options {
swcrc: false,
..Default::default()
},
);
}
#[test]
fn issue_834_2() {
compile(
"var ano = { some: {
ne: {
}
}};
var foo = ano.some.ne?.sdf?.snop;
const someValue = 'test' ?? 'default value';",
Options {
config: Config {
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jsc: JscConfig {
syntax: Some(Syntax::Es(EsConfig {
nullish_coalescing: true,
optional_chaining: true,
..Default::default()
})),
..Default::default()
},
..Default::default()
},
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swcrc: false,
..Default::default()
},
);
}
#[test]
fn issue_834_3() {
compile(
"const someValue = 'test' ?? 'default value';",
Options {
config: Config {
jsc: JscConfig {
syntax: Some(Syntax::Es(EsConfig {
nullish_coalescing: true,
..Default::default()
})),
..Default::default()
},
..Default::default()
},
swcrc: false,
..Default::default()
},
);
}
#[test]
fn test_tsx_escape_xhtml() {
let source = r#"<div id="abc&gt;" />"#;
let expected = r#"React.createElement("div", {
id: "abc>"
});
"#;
let compiled_es5 = compile(
source,
Options {
config: Config {
jsc: JscConfig {
syntax: Some(Syntax::Typescript(TsConfig {
tsx: true,
..Default::default()
})),
target: Some(EsVersion::Es5),
..Default::default()
},
..Default::default()
},
swcrc: false,
..Default::default()
},
);
assert_eq!(compiled_es5, expected);
let compiled_es2020 = compile(
source,
Options {
config: Config {
jsc: JscConfig {
syntax: Some(Syntax::Typescript(TsConfig {
tsx: true,
..Default::default()
})),
target: Some(EsVersion::Es2020),
..Default::default()
},
..Default::default()
},
swcrc: false,
..Default::default()
},
);
assert_eq!(compiled_es2020, expected);
}