biome_js_parser 0.5.7

Biome's JavaScript parser
Documentation
JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsClassDeclaration {
            decorators: JsDecoratorList [],
            abstract_token: missing (optional),
            class_token: CLASS_KW@0..6 "class" [] [Whitespace(" ")],
            id: JsIdentifierBinding {
                name_token: IDENT@6..8 "A" [] [Whitespace(" ")],
            },
            type_parameters: missing (optional),
            extends_clause: missing (optional),
            implements_clause: missing (optional),
            l_curly_token: L_CURLY@8..10 "{" [] [Whitespace(" ")],
            members: JsClassMemberList [
                JsConstructorClassMember {
                    modifiers: JsConstructorModifierList [],
                    name: JsLiteralMemberName {
                        value: IDENT@10..21 "constructor" [] [],
                    },
                    parameters: JsConstructorParameters {
                        l_paren_token: L_PAREN@21..22 "(" [] [],
                        parameters: JsConstructorParameterList [
                            TsPropertyParameter {
                                decorators: JsDecoratorList [],
                                modifiers: TsPropertyParameterModifierList [
                                    TsAccessibilityModifier {
                                        modifier_token: PRIVATE_KW@22..30 "private" [] [Whitespace(" ")],
                                    },
                                ],
                                formal_parameter: JsBogusParameter {
                                    items: [
                                        JsDecoratorList [],
                                        JsObjectBindingPattern {
                                            l_curly_token: L_CURLY@30..32 "{" [] [Whitespace(" ")],
                                            properties: JsObjectBindingPatternPropertyList [
                                                JsObjectBindingPatternShorthandProperty {
                                                    identifier: JsIdentifierBinding {
                                                        name_token: IDENT@32..33 "x" [] [],
                                                    },
                                                    init: missing (optional),
                                                },
                                                COMMA@33..35 "," [] [Whitespace(" ")],
                                                JsObjectBindingPatternShorthandProperty {
                                                    identifier: JsIdentifierBinding {
                                                        name_token: IDENT@35..37 "y" [] [Whitespace(" ")],
                                                    },
                                                    init: missing (optional),
                                                },
                                            ],
                                            r_curly_token: R_CURLY@37..38 "}" [] [],
                                        },
                                    ],
                                },
                            },
                            COMMA@38..40 "," [] [Whitespace(" ")],
                            TsPropertyParameter {
                                decorators: JsDecoratorList [],
                                modifiers: TsPropertyParameterModifierList [
                                    TsAccessibilityModifier {
                                        modifier_token: PROTECTED_KW@40..50 "protected" [] [Whitespace(" ")],
                                    },
                                ],
                                formal_parameter: JsBogusParameter {
                                    items: [
                                        JsDecoratorList [],
                                        JsArrayBindingPattern {
                                            l_brack_token: L_BRACK@50..51 "[" [] [],
                                            elements: JsArrayBindingPatternElementList [
                                                JsArrayBindingPatternElement {
                                                    pattern: JsIdentifierBinding {
                                                        name_token: IDENT@51..52 "a" [] [],
                                                    },
                                                    init: missing (optional),
                                                },
                                                COMMA@52..54 "," [] [Whitespace(" ")],
                                                JsArrayBindingPatternElement {
                                                    pattern: JsIdentifierBinding {
                                                        name_token: IDENT@54..55 "b" [] [],
                                                    },
                                                    init: missing (optional),
                                                },
                                            ],
                                            r_brack_token: R_BRACK@55..56 "]" [] [],
                                        },
                                    ],
                                },
                            },
                        ],
                        r_paren_token: R_PAREN@56..58 ")" [] [Whitespace(" ")],
                    },
                    body: JsFunctionBody {
                        l_curly_token: L_CURLY@58..59 "{" [] [],
                        directives: JsDirectiveList [],
                        statements: JsStatementList [],
                        r_curly_token: R_CURLY@59..61 "}" [] [Whitespace(" ")],
                    },
                },
            ],
            r_curly_token: R_CURLY@61..62 "}" [] [],
        },
    ],
    eof_token: EOF@62..63 "" [Newline("\n")] [],
}

0: JS_MODULE@0..63
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..62
    0: JS_CLASS_DECLARATION@0..62
      0: JS_DECORATOR_LIST@0..0
      1: (empty)
      2: CLASS_KW@0..6 "class" [] [Whitespace(" ")]
      3: JS_IDENTIFIER_BINDING@6..8
        0: IDENT@6..8 "A" [] [Whitespace(" ")]
      4: (empty)
      5: (empty)
      6: (empty)
      7: L_CURLY@8..10 "{" [] [Whitespace(" ")]
      8: JS_CLASS_MEMBER_LIST@10..61
        0: JS_CONSTRUCTOR_CLASS_MEMBER@10..61
          0: JS_CONSTRUCTOR_MODIFIER_LIST@10..10
          1: JS_LITERAL_MEMBER_NAME@10..21
            0: IDENT@10..21 "constructor" [] []
          2: JS_CONSTRUCTOR_PARAMETERS@21..58
            0: L_PAREN@21..22 "(" [] []
            1: JS_CONSTRUCTOR_PARAMETER_LIST@22..56
              0: TS_PROPERTY_PARAMETER@22..38
                0: JS_DECORATOR_LIST@22..22
                1: TS_PROPERTY_PARAMETER_MODIFIER_LIST@22..30
                  0: TS_ACCESSIBILITY_MODIFIER@22..30
                    0: PRIVATE_KW@22..30 "private" [] [Whitespace(" ")]
                2: JS_BOGUS_PARAMETER@30..38
                  0: JS_DECORATOR_LIST@30..30
                  1: JS_OBJECT_BINDING_PATTERN@30..38
                    0: L_CURLY@30..32 "{" [] [Whitespace(" ")]
                    1: JS_OBJECT_BINDING_PATTERN_PROPERTY_LIST@32..37
                      0: JS_OBJECT_BINDING_PATTERN_SHORTHAND_PROPERTY@32..33
                        0: JS_IDENTIFIER_BINDING@32..33
                          0: IDENT@32..33 "x" [] []
                        1: (empty)
                      1: COMMA@33..35 "," [] [Whitespace(" ")]
                      2: JS_OBJECT_BINDING_PATTERN_SHORTHAND_PROPERTY@35..37
                        0: JS_IDENTIFIER_BINDING@35..37
                          0: IDENT@35..37 "y" [] [Whitespace(" ")]
                        1: (empty)
                    2: R_CURLY@37..38 "}" [] []
              1: COMMA@38..40 "," [] [Whitespace(" ")]
              2: TS_PROPERTY_PARAMETER@40..56
                0: JS_DECORATOR_LIST@40..40
                1: TS_PROPERTY_PARAMETER_MODIFIER_LIST@40..50
                  0: TS_ACCESSIBILITY_MODIFIER@40..50
                    0: PROTECTED_KW@40..50 "protected" [] [Whitespace(" ")]
                2: JS_BOGUS_PARAMETER@50..56
                  0: JS_DECORATOR_LIST@50..50
                  1: JS_ARRAY_BINDING_PATTERN@50..56
                    0: L_BRACK@50..51 "[" [] []
                    1: JS_ARRAY_BINDING_PATTERN_ELEMENT_LIST@51..55
                      0: JS_ARRAY_BINDING_PATTERN_ELEMENT@51..52
                        0: JS_IDENTIFIER_BINDING@51..52
                          0: IDENT@51..52 "a" [] []
                        1: (empty)
                      1: COMMA@52..54 "," [] [Whitespace(" ")]
                      2: JS_ARRAY_BINDING_PATTERN_ELEMENT@54..55
                        0: JS_IDENTIFIER_BINDING@54..55
                          0: IDENT@54..55 "b" [] []
                        1: (empty)
                    2: R_BRACK@55..56 "]" [] []
            2: R_PAREN@56..58 ")" [] [Whitespace(" ")]
          3: JS_FUNCTION_BODY@58..61
            0: L_CURLY@58..59 "{" [] []
            1: JS_DIRECTIVE_LIST@59..59
            2: JS_STATEMENT_LIST@59..59
            3: R_CURLY@59..61 "}" [] [Whitespace(" ")]
      9: R_CURLY@61..62 "}" [] []
  4: EOF@62..63 "" [Newline("\n")] []
--
ts_property_parameter_pattern.ts:1:31 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × A parameter property may not be declared using a binding pattern.
  
  > 1 │ class A { constructor(private { x, y }, protected [a, b]) {} }
      │                               ^^^^^^^^
    2 │ 
  
--
ts_property_parameter_pattern.ts:1:51 parse ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  × A parameter property may not be declared using a binding pattern.
  
  > 1 │ class A { constructor(private { x, y }, protected [a, b]) {} }
      │                                                   ^^^^^^
    2 │ 
  
--
class A { constructor(private { x, y }, protected [a, b]) {} }