chore: address sonar warnings

[ercultimate]

• typescript:S1871 - Two conditional branches should not have the same implementation
• typescript:S4624 - do not use nested template literals
• typescript:S108 - empty switch statement
• typescript:S2589 - expression always evaluates to truthy
• typescript:S4623 - redundant "undefined"
• typescript:S7744 - unnecessary fallback objects when spreading in object literals
• typescript:S4140 - sparse arrays should not be created with extra commas
• typescript:S6650 - destructuring assignments should not be to the same name
• typescript:S4782 - Optional property declarations should not use both '?' and 'undefined' syntax
• typescript:S7748 - number literals should not have unnecessary decimal points or trailing zeros
• typescript:S881 - increment/decrement operators should not be used in a method call or mixed with other operators in an expression
• typescript:S6557 - string ends should be checked with "startsWith()" and "endsWith()"
• typescript:S1854 - unused assignments should be removed
• typescript:S6594 - RegExp.exec() should be preferred over String.match()