The themeGet
function is an existential getter function that can be used in any style declaration to get a value from your theme, with support for fallback values. This helps prevent errors from throwing when a theme value is missing, which can be helpf
Check for the existential value of a variable. Assign value by default.
The missing existential operator for JavaScript. Returns true unless a variable is null or undefined
Safe navigation of objects (avoid null pointer exceptions / avoid TypeError cannot access property 'x' of undefined)