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fix(linter): fix false positive in eslint/no-cond-assign #7241

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merged 1 commit into from
Nov 12, 2024
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fix(linter): fix false positive in eslint/no-cond-assign #7241

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20 changes: 7 additions & 13 deletions crates/oxc_linter/src/rules/eslint/no_cond_assign.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -94,12 +94,6 @@ impl Rule for NoCondAssign {
if let Some(test) = &for_stmt.test {
spans.push(test.span());
}
if let Some(update) = &for_stmt.update {
spans.push(update.span());
}
if let Some(update) = &for_stmt.update {
spans.push(update.span());
}
}
AstKind::ConditionalExpression(cond_expr) => {
spans.push(cond_expr.span());
Expand All @@ -115,7 +109,7 @@ impl Rule for NoCondAssign {
}

// Only report the diagnostic if the assignment is in a span where it should not be.
// For example, report `if (a = b) { ...}`, not `if (...) { a = b }`
// For example, report `if (a = b) { ... }`, not `if (...) { a = b }`
if spans.iter().any(|span| span.contains_inclusive(node.span())) {
Self::emit_diagnostic(ctx, expr);
}
Expand Down Expand Up @@ -210,12 +204,7 @@ fn test() {
",
Some(serde_json::json!(["always"])),
),
(
"
while(true) newValue = value;
",
Some(serde_json::json!(["always"])),
),
("while(true) newValue = value;", Some(serde_json::json!(["always"]))),
(
"
for(;;) newValue = value;
Expand All @@ -225,6 +214,11 @@ fn test() {
("for (; (typeof l === 'undefined' ? (l = 0) : l); i++) { }", None),
("for (x = 0;x<10;x++) { x = 0 }", None),
("for (x = 0;x<10;(x = x + 1)) { x = 0 }", None),
("const nums = [1,2,3]; for(let i = 0; i < nums.length; i += 1) { dosomething(); }", None),
(
"for (let i = 0; i < nums.length; i += 1) { dosomething();}",
Some(serde_json::json!(["always"])),
),
];

let fail = vec![
Expand Down
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