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Code Issues Packages 1 Wiki Activity

fix(doc): crash on formatting type predicate (#5651)

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Ryan Dahl 2020-05-19 18:55:06 -04:00 committed by GitHub
parent 949061c4b6
commit 0fb5f23466
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2 changed files with 16 additions and 0 deletions
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3
cli/doc/printer.rs
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@ -127,6 +127,9 @@ fn render_params(params: Vec<doc::ParamDef>) -> String {
}
fn render_ts_type(ts_type: doc::ts_type::TsTypeDef) -> String {
if ts_type.kind.is_none() {
return "<UNIMPLEMENTED>".to_string();
}
let kind = ts_type.kind.unwrap();
match kind {
TsTypeDefKind::Array => {

13
cli/doc/tests.rs
View file

@ -161,6 +161,19 @@ export function foo(a: string, b?: number, cb: (...cbArgs: unknown[]) => void, .
);
}
#[tokio::test]
async fn format_type_predicate() {
let source_code = r#"
export function isFish(pet: Fish | Bird): pet is Fish {
return (pet as Fish).swim !== undefined;
}
"#;
let loader =
TestLoader::new(vec![("test.ts".to_string(), source_code.to_string())]);
let entries = DocParser::new(loader).parse("test.ts").await.unwrap();
super::printer::format(entries);
}
#[tokio::test]
async fn export_fn2() {
let source_code = r#"