feat(obj):remove mutating funcs in favor of using js-interop

BREAKING CHANGE: `set_prop`, `set_props` have been removed, use `@fink/js-interop`

Author: kollhof

src/obj.fnk

@@ -8,13 +8,6 @@ obj_key_values = Object.entries
 key_values_to_obj = Object.fromEntries
 
 # TODO: should use in-operator instead
+# TODO: use Reflect.has
 obj_has = fn obj, key:
   Object.prototype.hasOwnProperty.call obj, key
-
-
-# TODO: move to mutable ?
-set_props = Object.assign
-
-# TODO: move to mutable ?
-set_prop = Reflect.set
-

src/obj.test.fnk

@@ -1,8 +1,7 @@
 {describe, it, expect, to_equal} = import '@fink/jest'
 
 {
-  obj_keys, obj_values, obj_key_values, key_values_to_obj
-  set_props, set_prop, obj_has
+  obj_keys, obj_values, obj_key_values, key_values_to_obj, obj_has
 } = import './obj'
 
 
@@ -47,23 +46,3 @@ describe 'objects', fn:
         ['bar spam', 2]
       to_equal
         {foo: 1, 'bar spam': 2}
-
-
-  it 'mutates object with single prop', fn:
-    foo = {foo: 1}
-
-    set_prop foo, 'bar', 2
-
-    expect
-      foo
-      to_equal {foo: 1, bar: 2}
-
-
-  it 'mutates object with new props', fn:
-    foo = {foo: 1}
-
-    set_props foo, {bar: 2, spam: 3}
-
-    expect
-      foo
-      to_equal {foo: 1, bar: 2, spam: 3}