Change type signature of append in useFieldArray hook

Author: mununki

CHANGELOG.md

@@ -1,4 +1,8 @@
-# v0.0.4 (unreleased)
+# v0.0.4
+
+- Change type signature of append in useFieldArray hook
+  - Updated from `t => unit` to `defaultValuesOfT => unit`
+  - This change provides better type flexibility when appending new items to the array
 
 # v0.0.3
 

doc/transformation.md

@@ -90,7 +90,7 @@ module ControllerOfInputs = {
 // useFieldArray
 type rec useFieldArrayReturnOfInputsCart = {
   fields: array<itemWithId>,
-  append: item => unit,
+  append: defaultValuesOfItem => unit,
   remove: int => unit,
 }
 and useFieldArrayParamsOfInputsCart = {

src/ppx/signature.ml

@@ -602,7 +602,7 @@ let map_type_decl
                           [
                             (* type useFieldArrayReturnOfInputsCart = {
                                  fields: array<itemWithId>,
-                                 append: item => unit,
+                                 append: defaultValuesOfItem => unit,
                                  remove: int => unit,
                                } *)
                             Type.mk
@@ -628,7 +628,11 @@ let map_type_decl
                                        (uncurried_core_type_arrow ~arity:1
                                           [
                                             Typ.arrow Nolabel
-                                              (Typ.constr (lid item_name) [])
+                                              (Typ.constr
+                                                 (lid
+                                                    ("defaultValuesOf"
+                                                   ^ capitalize item_name))
+                                                 [])
                                               (Typ.constr (lid "unit") []);
                                           ]);
                                      Type.field ~mut:Immutable

src/ppx/structure.ml

@@ -602,7 +602,7 @@ let map_type_decl
                           [
                             (* type useFieldArrayReturnOfInputsCart = {
                                  fields: array<itemWithId>,
-                                 append: item => unit,
+                                 append: defaultValuesOfItem => unit,
                                  remove: int => unit,
                                } *)
                             Type.mk
@@ -628,7 +628,11 @@ let map_type_decl
                                        (uncurried_core_type_arrow ~arity:1
                                           [
                                             Typ.arrow Nolabel
-                                              (Typ.constr (lid item_name) [])
+                                              (Typ.constr
+                                                 (lid
+                                                    ("defaultValuesOf"
+                                                   ^ capitalize item_name))
+                                                 [])
                                               (Typ.constr (lid "unit") []);
                                           ]);
                                      Type.field ~mut:Immutable

test/src/pages/field_array_res/FieldArray.res

@@ -50,7 +50,7 @@ let default = () => {
       </div>
     })
     ->React.array}
-    <button type_="button" onClick={_ => append({name: "ppx", quantity: 1., price: 1.})}>
+    <button type_="button" onClick={_ => append({quantity: 1., price: 1.})}>
       {"APPEND"->React.string}
     </button>
     <input type_="submit" />