feat(linter): check await in ClassStaticBlock in javascript

crates/oxc_linter/src/rules/early_error/javascript.rs

@@ -70,15 +70,26 @@ impl Rule for EarlyErrorJavaScript {
     }
 }
 
+#[derive(Debug, Error, Diagnostic)]
+#[error("Cannot use await in class static initialization block")]
+#[diagnostic()]
+struct ClassStatickBlockAwait(#[label] Span);
+
 #[derive(Debug, Error, Diagnostic)]
 #[error("The keyword '{0}' is reserved")]
 #[diagnostic()]
 struct ReservedKeyword(Atom, #[label] Span);
 
 fn check_identifier<'a>(name: &Atom, span: Span, node: &AstNode<'a>, ctx: &LintContext<'a>) {
-    // It is a Syntax Error if the goal symbol of the syntactic grammar is Module and the StringValue of IdentifierName is "await".
-    if *name == "await" && ctx.source_type().is_module() {
-        return ctx.diagnostic(ReservedKeyword(name.clone(), span));
+    if *name == "await" {
+        // It is a Syntax Error if the goal symbol of the syntactic grammar is Module and the StringValue of IdentifierName is "await".
+        if ctx.source_type().is_module() {
+            return ctx.diagnostic(ReservedKeyword(name.clone(), span));
+        }
+        // It is a Syntax Error if ClassStaticBlockStatementList Contains await is true.
+        if ctx.scope(node).flags.contains(ScopeFlags::ClassStaticBlock) {
+            return ctx.diagnostic(ClassStatickBlockAwait(span));
+        }
     }
 
     // It is a Syntax Error if this phrase is contained in strict mode code and the StringValue of IdentifierName is: "implements", "interface", "let", "package", "private", "protected", "public", "static", or "yield".
@@ -1032,6 +1043,11 @@ fn check_await_expression<'a>(expr: &AwaitExpression, node: &AstNode<'a>, ctx: &
     if is_in_formal_parameters(node, ctx) {
         ctx.diagnostic(AwaitOrYieldInParameter("await", expr.span));
     }
+    // It is a Syntax Error if ClassStaticBlockStatementList Contains await is true.
+    if ctx.scope(node).flags.contains(ScopeFlags::ClassStaticBlock) {
+        let start = expr.span.start;
+        ctx.diagnostic(ClassStatickBlockAwait(Span::new(start, start + 5)));
+    }
 }
 
 fn check_yield_expression<'a>(expr: &YieldExpression, node: &AstNode<'a>, ctx: &LintContext<'a>) {

tasks/coverage/test262.snap

@@ -1,7 +1,7 @@
 Test262 Summary:
 AST Parsed     : 44015/44034 (99.96%)
 Positive Passed: 44015/44034 (99.96%)
-Negative Passed: 3903/3917 (99.64%)
+Negative Passed: 3905/3917 (99.69%)
 Expect Syntax Error: "language/global-code/export.js"
 Expect Syntax Error: "language/global-code/import.js"
 Expect Syntax Error: "language/import/dup-bound-names.js"
@@ -14,8 +14,6 @@ Expect Syntax Error: "language/module-code/early-dup-export-id.js"
 Expect Syntax Error: "language/module-code/early-dup-export-star-as-dflt.js"
 Expect Syntax Error: "language/module-code/early-export-global.js"
 Expect Syntax Error: "language/module-code/early-export-unresolvable.js"
-Expect Syntax Error: "language/statements/class/static-init-invalid-await.js"
-Expect Syntax Error: "language/statements/variable/dstr/obj-ptrn-elem-id-static-init-await-invalid.js"
 Expect to Parse: "language/block-scope/syntax/redeclaration-global/allowed-to-redeclare-function-declaration-with-var.js"
 
   × Identifier `f` has already been declared
@@ -13491,6 +13489,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  27 │ };
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/expressions/class/static-init-await-binding.js:20:1]
+ 20 │   static {
+ 21 │     (class await {});
+    ·            ─────
+ 22 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/expressions/class/static-init-await-binding.js:20:1]
  20 │   static {
@@ -16209,6 +16215,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  32 │   });
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/expressions/object/identifier-shorthand-static-init-await-invalid.js:22:1]
+ 22 │   static {
+ 23 │     ({ await });
+    ·        ─────
+ 24 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/expressions/object/identifier-shorthand-static-init-await-invalid.js:22:1]
  22 │   static {
@@ -29413,6 +29427,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  27 │ }
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/class/static-init-await-binding-invalid.js:23:1]
+ 23 │   static {
+ 24 │     class await {}
+    ·           ─────
+ 25 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/statements/class/static-init-await-binding-invalid.js:23:1]
  23 │   static {
@@ -29429,6 +29451,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  22 │   }
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/class/static-init-invalid-await.js:29:1]
+ 29 │     static {
+ 30 │       await 0;
+    ·       ─────
+ 31 │     }
+    ╰────
+
   × Identifier `x` has already been declared
     ╭─[language/statements/class/static-init-invalid-label-dup.js:20:1]
  20 │   static {
@@ -29614,6 +29644,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  15 │ 
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/const/static-init-await-binding-invalid.js:23:1]
+ 23 │   static {
+ 24 │     const await = 0;
+    ·           ─────
+ 25 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/statements/const/static-init-await-binding-invalid.js:23:1]
  23 │   static {
@@ -34131,6 +34169,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  15 │ 
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/let/static-init-await-binding-invalid.js:23:1]
+ 23 │   static {
+ 24 │     let await;
+    ·         ─────
+ 25 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/statements/let/static-init-await-binding-invalid.js:23:1]
  23 │   static {
@@ -35506,6 +35552,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
     ·     ─────────
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/variable/dstr/ary-ptrn-elem-id-static-init-await-invalid.js:23:1]
+ 23 │   static {
+ 24 │     var [await] = [];
+    ·          ─────
+ 25 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/statements/variable/dstr/ary-ptrn-elem-id-static-init-await-invalid.js:23:1]
  23 │   static {
@@ -35565,6 +35619,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
  30 │ 
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/variable/dstr/obj-ptrn-elem-id-static-init-await-invalid.js:23:1]
+ 23 │   static {
+ 24 │     var {await} = {};
+    ·          ─────
+ 25 │   }
+    ╰────
+
   × Cannot assign to 'eval' in strict mode
     ╭─[language/statements/variable/eval-strict-list-final-init.js:14:1]
  14 │ 
@@ -35649,6 +35711,14 @@ Expect to Parse: "language/statements/function/S14_A5_T2.js"
     ·     ────
     ╰────
 
+  × Cannot use await in class static initialization block
+    ╭─[language/statements/variable/static-init-await-binding-invalid.js:23:1]
+ 23 │   static {
+ 24 │     var await;
+    ·         ─────
+ 25 │   }
+    ╰────
+
   × Cannot use `await` as an identifier in an async context
     ╭─[language/statements/variable/static-init-await-binding-invalid.js:23:1]
  23 │   static {

tasks/coverage/typescript.snap

@@ -2809,6 +2809,22 @@ Expect to Parse: "salsa/privateIdentifierExpando.ts"
  14 │ 
     ╰────
 
+  × Cannot use await in class static initialization block
+   ╭─[classes/classStaticBlock/classStaticBlock7.ts:2:1]
+ 2 │     static {
+ 3 │         await 1;
+   ·         ─────
+ 4 │         yield 1;
+   ╰────
+
+  × Cannot use await in class static initialization block
+    ╭─[classes/classStaticBlock/classStaticBlock7.ts:11:1]
+ 11 │         static {
+ 12 │             await 1;
+    ·             ─────
+ 13 │ 
+    ╰────
+
   × A 'yield' expression is only allowed in a generator body.
    ╭─[classes/classStaticBlock/classStaticBlock7.ts:3:1]
  3 │         await 1;