biome_js_parser 0.5.7

Biome's JavaScript parser
Documentation 
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JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        TsDeclareStatement {
            declare_token: DECLARE_KW@0..8 "declare" [] [Whitespace(" ")],
            declaration: JsClassDeclaration {
                decorators: JsDecoratorList [],
                abstract_token: missing (optional),
                class_token: CLASS_KW@8..14 "class" [] [Whitespace(" ")],
                id: JsIdentifierBinding {
                    name_token: IDENT@14..16 "A" [] [Whitespace(" ")],
                },
                type_parameters: missing (optional),
                extends_clause: missing (optional),
                implements_clause: missing (optional),
                l_curly_token: L_CURLY@16..18 "{" [] [Whitespace(" ")],
                members: JsClassMemberList [
                    JsBogusMember {
                        items: [
                            ASYNC_KW@18..24 "async" [] [Whitespace(" ")],
                            JsLiteralMemberName {
                                value: IDENT@24..30 "method" [] [],
                            },
                            JsParameters {
                                l_paren_token: L_PAREN@30..31 "(" [] [],
                                items: JsParameterList [],
                                r_paren_token: R_PAREN@31..32 ")" [] [],
                            },
                            SEMICOLON@32..34 ";" [] [Whitespace(" ")],
                        ],
                    },
                ],
                r_curly_token: R_CURLY@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: TS_DECLARE_STATEMENT@0..35
      0: DECLARE_KW@0..8 "declare" [] [Whitespace(" ")]
      1: JS_CLASS_DECLARATION@8..35
        0: JS_DECORATOR_LIST@8..8
        1: (empty)
        2: CLASS_KW@8..14 "class" [] [Whitespace(" ")]
        3: JS_IDENTIFIER_BINDING@14..16
          0: IDENT@14..16 "A" [] [Whitespace(" ")]
        4: (empty)
        5: (empty)
        6: (empty)
        7: L_CURLY@16..18 "{" [] [Whitespace(" ")]
        8: JS_CLASS_MEMBER_LIST@18..34
          0: JS_BOGUS_MEMBER@18..34
            0: ASYNC_KW@18..24 "async" [] [Whitespace(" ")]
            1: JS_LITERAL_MEMBER_NAME@24..30
              0: IDENT@24..30 "method" [] []
            2: JS_PARAMETERS@30..32
              0: L_PAREN@30..31 "(" [] []
              1: JS_PARAMETER_LIST@31..31
              2: R_PAREN@31..32 ")" [] []
            3: SEMICOLON@32..34 ";" [] [Whitespace(" ")]
        9: R_CURLY@34..35 "}" [] []
  4: EOF@35..36 "" [Newline("\n")] []
--
ts_ambient_async_method.ts:1:19 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × 'async' modifier cannot be used in an ambient context.
  
  > 1 │ declare class A { async method(); }
      │                   ^^^^^^^^^^^^^^^
    2 │ 
  
--
declare class A { async method(); }