JsModule {
    bom_token: missing (optional),
    interpreter_token: missing (optional),
    directives: JsDirectiveList [],
    items: JsModuleItemList [
        JsIfStatement {
            if_token: IF_KW@0..3 "if" [] [Whitespace(" ")],
            l_paren_token: L_PAREN@3..4 "(" [] [],
            test: JsBooleanLiteralExpression {
                value_token: TRUE_KW@4..8 "true" [] [],
            },
            r_paren_token: R_PAREN@8..10 ")" [] [Whitespace(" ")],
            consequent: JsLabeledStatement {
                label: JsLabel {
                    value_token: IDENT@10..16 "label1" [] [],
                },
                colon_token: COLON@16..18 ":" [] [Whitespace(" ")],
                body: JsVariableStatement {
                    declaration: JsVariableDeclaration {
                        await_token: missing (optional),
                        kind: VAR_KW@18..22 "var" [] [Whitespace(" ")],
                        declarators: JsVariableDeclaratorList [
                            JsVariableDeclarator {
                                id: JsIdentifierBinding {
                                    name_token: IDENT@22..24 "a" [] [Whitespace(" ")],
                                },
                                variable_annotation: missing (optional),
                                initializer: JsInitializerClause {
                                    eq_token: EQ@24..26 "=" [] [Whitespace(" ")],
                                    expression: JsNumberLiteralExpression {
                                        value_token: JS_NUMBER_LITERAL@26..28 "10" [] [],
                                    },
                                },
                            },
                        ],
                    },
                    semicolon_token: SEMICOLON@28..29 ";" [] [],
                },
            },
            else_clause: missing (optional),
        },
    ],
    eof_token: EOF@29..30 "" [Newline("\n")] [],
}

0: JS_MODULE@0..30
  0: (empty)
  1: (empty)
  2: JS_DIRECTIVE_LIST@0..0
  3: JS_MODULE_ITEM_LIST@0..29
    0: JS_IF_STATEMENT@0..29
      0: IF_KW@0..3 "if" [] [Whitespace(" ")]
      1: L_PAREN@3..4 "(" [] []
      2: JS_BOOLEAN_LITERAL_EXPRESSION@4..8
        0: TRUE_KW@4..8 "true" [] []
      3: R_PAREN@8..10 ")" [] [Whitespace(" ")]
      4: JS_LABELED_STATEMENT@10..29
        0: JS_LABEL@10..16
          0: IDENT@10..16 "label1" [] []
        1: COLON@16..18 ":" [] [Whitespace(" ")]
        2: JS_VARIABLE_STATEMENT@18..29
          0: JS_VARIABLE_DECLARATION@18..28
            0: (empty)
            1: VAR_KW@18..22 "var" [] [Whitespace(" ")]
            2: JS_VARIABLE_DECLARATOR_LIST@22..28
              0: JS_VARIABLE_DECLARATOR@22..28
                0: JS_IDENTIFIER_BINDING@22..24
                  0: IDENT@22..24 "a" [] [Whitespace(" ")]
                1: (empty)
                2: JS_INITIALIZER_CLAUSE@24..28
                  0: EQ@24..26 "=" [] [Whitespace(" ")]
                  1: JS_NUMBER_LITERAL_EXPRESSION@26..28
                    0: JS_NUMBER_LITERAL@26..28 "10" [] []
          1: SEMICOLON@28..29 ";" [] []
      5: (empty)
  4: EOF@29..30 "" [Newline("\n")] []