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use super::Context;
use super::LintRule;
use std::sync::Arc;
use swc_common::comments::Comment;
use swc_common::comments::CommentKind;
pub struct BanTsIgnore;
impl BanTsIgnore {
fn lint_comment(&self, context: &Context, comment: &Comment) {
if comment.kind != CommentKind::Line {
return;
}
if !comment.text.contains("@ts-ignore") {
return;
}
context.add_diagnostic(
comment.span,
"ban-ts-ignore",
"@ts-ignore is not allowed",
);
}
}
impl LintRule for BanTsIgnore {
fn new() -> Box<Self> {
Box::new(BanTsIgnore)
}
fn code(&self) -> &'static str {
"ban-ts-ignore"
}
fn lint_module(
&self,
context: Arc<Context>,
_module: &swc_ecmascript::ast::Module,
) {
context.leading_comments.values().for_each(|comments| {
for comment in comments {
self.lint_comment(&context, comment);
}
});
context.trailing_comments.values().for_each(|comments| {
for comment in comments {
self.lint_comment(&context, comment);
}
});
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::test_util::*;
#[test]
fn ban_ts_ignore() {
assert_lint_err_on_line::<BanTsIgnore>(
r#"
// @ts-ignore
function foo() {
// pass
}
"#,
2,
0,
);
assert_lint_err_on_line::<BanTsIgnore>(
r#"
function bar() {
// @ts-ignore
const a = "bar";
}
"#,
3,
2,
);
}
}