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Logic helpers perform boolean operations and provide fallback values.

and

Returns true if ALL arguments are truthy.
Output: true
Output: false
Multiple arguments:

or

Returns true if ANY argument is truthy.
Output: true

not

Inverts a boolean value.
Output: false

isEmpty

Returns true if the value is empty (null, undefined, empty string, empty array, or empty object).
Output: true
Output: true

isNotEmpty

Returns true if the value is NOT empty.
Output: true

ternary

Returns one value if condition is true, another if false (inline if-else).
Examples:

default

Returns a default value if the primary value is null, undefined, or empty string.
Examples:

Combining Logic Helpers

Complex Conditions

Nested Ternary

Practical Examples

Status with Fallback

Conditional CSS Classes

Empty State Handling

Permission-Based UI

Optional Sections

Row Striping