Function: setNestedProperty()

function setNestedProperty(
   obj, 
   field, 
   value): void;

Sets or deletes a nested property in an object using PHP-style bracket notation. If value is null or undefined, deletes the property and cleans up empty parents.

Parameters

Parameter	Type	Description
obj	any	The object to modify.
field	string	The field path in PHP-style bracket notation (e.g. 'a[b][c]').
value	any	The value to set. If null or undefined, the property is deleted.

Returns

void

Example

setNestedProperty(obj, 'a[b][c]', 123) // obj.a.b.c = 123
setNestedProperty(obj, 'a[b][c]', null) // deletes obj.a.b.c