Added missing length value to FieldRenderProps

Author: erikras

src/types.js.flow

@@ -29,15 +29,15 @@ export type FieldInputProps = {
 export type FieldRenderProps = {
   input: FieldInputProps,
   meta: {
-    // TODO: Make a diff of `FieldState` without all the functions
     active?: boolean,
     data?: Object,
     dirty?: boolean,
     dirtySinceLastSubmit?: boolean,
     error?: any,
-    initial?: boolean,
+    initial?: any,
     invalid?: boolean,
-    meta?: boolean,
+    length?: number,
+    modified?: boolean,
     pristine?: boolean,
     submitError?: any,
     submitFailed?: boolean,

src/useField.js

@@ -168,6 +168,7 @@ const useField = (
     error: otherState.error,
     initial: otherState.initial,
     invalid: otherState.invalid,
+    length: otherState.length,
     modified: otherState.modified,
     pristine: otherState.pristine,
     submitError: otherState.submitError,

typescript/index.d.ts

@@ -17,7 +17,10 @@ export interface ReactContext {
   reactFinalForm: FormApi;
 }
 
-export type FieldMetaState = Omit<FieldState, 'blur' | 'change' | 'focus'>;
+export type FieldMetaState = Omit<
+  FieldState,
+  'blur' | 'change' | 'focus' | 'name' | 'value'
+>;
 
 interface FieldInputProps<T extends HTMLElement> {
   name: string;