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fix(linter): overflow in no-obj-calls (#4397)
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Closes #4389
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DonIsaac committed Jul 21, 2024
1 parent c294833 commit 289dc39
Showing 1 changed file with 14 additions and 2 deletions.
16 changes: 14 additions & 2 deletions crates/oxc_linter/src/rules/eslint/no_obj_calls.rs
Original file line number Diff line number Diff line change
Expand Up @@ -87,12 +87,15 @@ fn resolve_global_binding<'a, 'b: 'a>(
let nodes = ctx.nodes();
let symbols = ctx.symbols();
scope.ancestors(scope_id).find_map(|id| scope.get_binding(id, &ident.name)).map_or_else(
// panic in debug builds, but fail gracefully in release builds
|| {
panic!(
debug_assert!(
false,
"No binding id found for {}, but this IdentifierReference
is not a global",
&ident.name
);
None
},
|binding_id| {
let decl = nodes.get_node(symbols.get_declaration(binding_id));
Expand All @@ -104,7 +107,9 @@ fn resolve_global_binding<'a, 'b: 'a>(
}
match &parent_decl.init {
// handles "let a = JSON; let b = a; a();"
Some(Expression::Identifier(parent_ident)) => {
Some(Expression::Identifier(parent_ident))
if parent_ident.name != ident.name =>
{
resolve_global_binding(parent_ident, decl_scope, ctx)
}
// handles "let a = globalThis.JSON; let b = a; a();"
Expand Down Expand Up @@ -180,6 +185,13 @@ fn test() {
// https://github.com/oxc-project/oxc/pull/508#issuecomment-1618850742
("{const Math = () => {}; {let obj = new Math();}}", None),
("{const {parse} = JSON;parse('{}')}", None),
// https://github.com/oxc-project/oxc/issues/4389
(
r"
export const getConfig = getConfig;
getConfig();",
None,
),
];

let fail = vec![
Expand Down

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