Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

fix(linter/tree-shaking): detect the correct export symbol resolution #5467

Merged
merged 1 commit into from
Sep 5, 2024
Merged

fix(linter/tree-shaking): detect the correct export symbol resolution #5467

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 8 additions & 7 deletions crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/listener_map.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,10 @@ use oxc_ast::{
FormalParameter, Function, IdentifierReference, JSXAttribute, JSXAttributeItem,
JSXAttributeValue, JSXChild, JSXElement, JSXElementName, JSXExpression,
JSXExpressionContainer, JSXFragment, JSXMemberExpression, JSXMemberExpressionObject,
JSXOpeningElement, LogicalExpression, MemberExpression, NewExpression, ObjectExpression,
ObjectPropertyKind, ParenthesizedExpression, PrivateFieldExpression, Program, PropertyKey,
SequenceExpression, SimpleAssignmentTarget, Statement, StaticMemberExpression, SwitchCase,
ThisExpression, UnaryExpression, VariableDeclarator,
JSXOpeningElement, LogicalExpression, MemberExpression, ModuleExportName, NewExpression,
ObjectExpression, ObjectPropertyKind, ParenthesizedExpression, PrivateFieldExpression,
Program, PropertyKey, SequenceExpression, SimpleAssignmentTarget, Statement,
StaticMemberExpression, SwitchCase, ThisExpression, UnaryExpression, VariableDeclarator,
},
AstKind,
};
Expand Down Expand Up @@ -195,9 +195,10 @@ impl<'a> ListenerMap for ExportSpecifier<'a> {
let ctx = options.ctx;
let symbol_table = ctx.symbols();
if has_comment_about_side_effect_check(self.exported.span(), ctx) {
let Some(name) = self.exported.identifier_name() else { return };
let Some(symbol_id) = options.ctx.symbols().get_symbol_id_from_name(name.as_str())
else {
let ModuleExportName::IdentifierReference(ident) = &self.local else {
return;
};
let Some(symbol_id) = get_symbol_id_of_variable(ident, ctx) else {
return;
};

Expand Down
10 changes: 10 additions & 0 deletions crates/oxc_linter/src/rules/tree_shaking/no_side_effects_in_initialization/mod.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -346,6 +346,11 @@ fn test() {
r#"export {x as default} from "import""#,
"export const /* tree-shaking no-side-effects-when-called */ x = function(){}",
"export function /* tree-shaking no-side-effects-when-called */ x(){}",
"
{ let x = ext; }
let x = () => {}
export {/* tree-shaking no-side-effects-when-called */ x}
",
"const x = function(){}; export {/* tree-shaking no-side-effects-when-called */ x}",
// ExpressionStatement
"const x = 1",
Expand Down Expand Up @@ -632,6 +637,11 @@ fn test() {
"export const /* tree-shaking no-side-effects-when-called */ x = ext",
"export function /* tree-shaking no-side-effects-when-called */ x(){ext()}",
"const x = ext; export {/* tree-shaking no-side-effects-when-called */ x}",
"
{ let x = () => {}; }
let x = ext
export {/* tree-shaking no-side-effects-when-called */ x}
",
// ExpressionStatement
"ext()",
// ForInStatement
Expand Down
8 changes: 8 additions & 0 deletions crates/oxc_linter/src/snapshots/no_side_effects_in_initialization.snap
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -409,6 +409,14 @@ source: crates/oxc_linter/src/tester.rs
· ───
╰────

⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of calling global function `ext`
╭─[no_side_effects_in_initialization.tsx:3:21]
2 │ { let x = () => {}; }
3 │ let x = ext
· ───
4 │ export {/* tree-shaking no-side-effects-when-called */ x}
╰────

⚠ eslint-plugin-tree-shaking(no-side-effects-in-initialization): Cannot determine side-effects of calling global function `ext`
╭─[no_side_effects_in_initialization.tsx:1:1]
1 │ ext()
Expand Down