biome_js_parser 0.5.7

Biome's JavaScript parser
Documentation
JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsVariableStatement {
            declaration: JsVariableDeclaration {
                await_token: missing (optional),
                kind: LET_KW@0..4 "let" [] [Whitespace(" ")],
                declarators: JsVariableDeclaratorList [
                    JsVariableDeclarator {
                        id: JsBogusBinding {
                            items: [
                                IDENT@4..10 "await" [] [Whitespace(" ")],
                            ],
                        },
                        variable_annotation: missing (optional),
                        initializer: JsInitializerClause {
                            eq_token: EQ@10..12 "=" [] [Whitespace(" ")],
                            expression: JsNumberLiteralExpression {
                                value_token: JS_NUMBER_LITERAL@12..14 "10" [] [],
                            },
                        },
                    },
                ],
            },
            semicolon_token: SEMICOLON@14..15 ";" [] [],
        },
        JsExpressionStatement {
            expression: JsCallExpression {
                callee: JsStaticMemberExpression {
                    object: JsIdentifierExpression {
                        name: JsReferenceIdentifier {
                            value_token: IDENT@15..23 "console" [Newline("\n")] [],
                        },
                    },
                    operator_token: DOT@23..24 "." [] [],
                    member: JsName {
                        value_token: IDENT@24..27 "log" [] [],
                    },
                },
                optional_chain_token: missing (optional),
                type_arguments: missing (optional),
                arguments: JsCallArguments {
                    l_paren_token: L_PAREN@27..28 "(" [] [],
                    args: JsCallArgumentList [
                        JsAwaitExpression {
                            await_token: AWAIT_KW@28..33 "await" [] [],
                            argument: missing (required),
                        },
                    ],
                    r_paren_token: R_PAREN@33..34 ")" [] [],
                },
            },
            semicolon_token: SEMICOLON@34..35 ";" [] [],
        },
    ],
    eof_token: EOF@35..36 "" [Newline("\n")] [],
}

0: JS_MODULE@0..36
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..35
    0: JS_VARIABLE_STATEMENT@0..15
      0: JS_VARIABLE_DECLARATION@0..14
        0: (empty)
        1: LET_KW@0..4 "let" [] [Whitespace(" ")]
        2: JS_VARIABLE_DECLARATOR_LIST@4..14
          0: JS_VARIABLE_DECLARATOR@4..14
            0: JS_BOGUS_BINDING@4..10
              0: IDENT@4..10 "await" [] [Whitespace(" ")]
            1: (empty)
            2: JS_INITIALIZER_CLAUSE@10..14
              0: EQ@10..12 "=" [] [Whitespace(" ")]
              1: JS_NUMBER_LITERAL_EXPRESSION@12..14
                0: JS_NUMBER_LITERAL@12..14 "10" [] []
      1: SEMICOLON@14..15 ";" [] []
    1: JS_EXPRESSION_STATEMENT@15..35
      0: JS_CALL_EXPRESSION@15..34
        0: JS_STATIC_MEMBER_EXPRESSION@15..27
          0: JS_IDENTIFIER_EXPRESSION@15..23
            0: JS_REFERENCE_IDENTIFIER@15..23
              0: IDENT@15..23 "console" [Newline("\n")] []
          1: DOT@23..24 "." [] []
          2: JS_NAME@24..27
            0: IDENT@24..27 "log" [] []
        1: (empty)
        2: (empty)
        3: JS_CALL_ARGUMENTS@27..34
          0: L_PAREN@27..28 "(" [] []
          1: JS_CALL_ARGUMENT_LIST@28..33
            0: JS_AWAIT_EXPRESSION@28..33
              0: AWAIT_KW@28..33 "await" [] []
              1: (empty)
          2: R_PAREN@33..34 ")" [] []
      1: SEMICOLON@34..35 ";" [] []
  4: EOF@35..36 "" [Newline("\n")] []
--
await_in_module.js:1:5 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Illegal use of `await` as an identifier in an async context
  
  > 1 │ let await = 10;
      │     ^^^^^
    2 │ console.log(await);
    3 │ 
  
--
await_in_module.js:2:18 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × Expected an unary expression but instead found ')'.
  
    1 │ let await = 10;
  > 2 │ console.log(await);
      │                  ^
    3 │ 
  
  i Expected an unary expression here.
  
    1 │ let await = 10;
  > 2 │ console.log(await);
      │                  ^
    3 │ 
  
--
let await = 10;
console.log(await);