1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
use super::Context;
use super::LintRule;
use crate::swc_ecma_ast;
use crate::swc_ecma_ast::{TsModuleDecl, TsModuleName};
use swc_ecma_visit::Node;
use swc_ecma_visit::Visit;
pub struct NoNamespace;
impl LintRule for NoNamespace {
fn new() -> Box<Self> {
Box::new(NoNamespace)
}
fn code(&self) -> &'static str {
"no-namespace"
}
fn lint_module(&self, context: Context, module: swc_ecma_ast::Module) {
let mut visitor = NoNamespaceVisitor::new(context);
visitor.visit_module(&module, &module);
}
}
struct NoNamespaceVisitor {
context: Context,
}
impl NoNamespaceVisitor {
pub fn new(context: Context) -> Self {
Self { context }
}
}
impl Visit for NoNamespaceVisitor {
fn visit_ts_module_decl(
&mut self,
mod_decl: &TsModuleDecl,
parent: &dyn Node,
) {
if !mod_decl.global {
if let TsModuleName::Ident(_) = mod_decl.id {
self.context.add_diagnostic(
mod_decl.span,
"no-namespace",
"custom typescript modules are outdated",
);
}
}
for stmt in &mod_decl.body {
self.visit_ts_namespace_body(stmt, parent);
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test_util::*;
#[test]
fn no_namespace_valid() {
assert_lint_ok::<NoNamespace>(r#"declare global {}"#);
assert_lint_ok::<NoNamespace>(r#"declare module 'foo' {}"#);
}
#[test]
fn no_namespace_invalid() {
assert_lint_err::<NoNamespace>("module foo {}", 0);
assert_lint_err::<NoNamespace>("declare module foo {}", 0);
assert_lint_err::<NoNamespace>("namespace foo {}", 0);
assert_lint_err::<NoNamespace>("declare namespace foo {}", 0);
assert_lint_err_n::<NoNamespace>(
"namespace Foo.Bar { namespace Baz.Bas {} }",
vec![0, 20],
);
}
}