Доавлен модуль create-zoom

create-zoom/index.ts

+import memoize from '../functions/memoize';
+import { ObjectKey, ObjectPath } from '../functions/get-at';
+import { FieldProps } from '../create-form';
+
+
+// Опции для `createForm`
+export type CreateZoomOptions<T> = {
+  validate?(value: T): any;
+  disabled?(value: T): any;
+  getValue: () => T;
+  onValueChange(value: T): void;
+  onValueChange(value: unknown, at: ObjectPath): void;
+};
+
+
+// Функция-хелпер для подключения полей ввода
+export type Zoom<T> = {
+  (): FieldProps<T>;
+  <K1 extends keyof T>(...keys: [K1]): FieldProps<T[K1]>;
+  <K1 extends keyof T, K2 extends keyof T[K1]>(...keys: [K1, K2]): FieldProps<T[K1][K2]>;
+  <K1 extends keyof T, K2 extends keyof T[K1], K3 extends keyof T[K1][K2]>(...keys: [K1, K2, K3]): FieldProps<T[K1][K2][K3]>;
+  <K1 extends keyof T, K2 extends keyof T[K1], K3 extends keyof T[K1][K2], K4 extends keyof T[K1][K2][K3]>(...keys: [K1, K2, K3, K4]): FieldProps<T[K1][K2][K3][K4]>;
+};
+
+
+// Функция-хелпер для подключения полей ввода
+export default function createZoom<T>(options: CreateZoomOptions<T>): Zoom<T> {
+  const { onValueChange, getValue } = options;
+  return (...keys) => {
+    const value = getValue();
+    const error = options.validate ? options.validate(value) : {};
+    const disabled = options.disabled ? options.disabled(value) : {};
+    const zoomedError = zoomAny(keys, error);
+    
+    return {
+      value: zoomAny(keys, value),
+      error: zoomedError,
+      disabled: zoomAny(keys, disabled),
+      onValueChange: zoomOnChange(keys, onValueChange),
+    };
+  };
+}
+
+
+const zoomOnChange = memoize((path: ObjectKey[], onChange: ((x: any, at: ObjectPath) => void)|undefined) => {
+  return (next, at=[]) => {
+    onChange && onChange(next, [...path, ...at]);
+  };
+});
+
+
+const zoomAny = memoize((path: ObjectKey[], input: any) => {
+  let iter = input as any;
+  for (const key of path) {
+    if (typeof(iter) !== 'object' || iter === null) return iter;
+    iter = iter[key];
+  }
+  return iter;
+});

fields/MomentField.tsx

@@ -13,7 +13,7 @@ import DayPickerSingleDateController from 'react-dates/lib/components/DayPickerS
 
 
 // Props
-export type Props = StandardProps<React.HTMLProps<HTMLDivElement>, ClassKey, 'value'|'disabled'> & FieldProps<moment.Moment> & {
+export type Props = StandardProps<React.HTMLProps<HTMLDivElement>, ClassKey, 'value'|'disabled'> & FieldProps<moment.Moment|null> & {
   InputProps?: Partial<TextFieldProps>;
   format?: string;
   nonNull?: boolean;

fields/SelectField.tsx

@@ -25,8 +25,7 @@ export type AsyncSource<A> = {
 
 
 // Props
-export type Props<A = any> = StandardProps<React.HTMLProps<HTMLDivElement>, ClassKey, 'disabled'> & FieldProps<A> & {
-  selectProps?: Partial<SelectProps>;
+export type Props<A = any> = StandardProps<SelectProps, ClassKey, 'disabled'> & FieldProps<A> & {
   source: Source<A>;
   renderItem?(item: A): string;
   prepareItem?(item: A): any;
@@ -115,7 +114,7 @@ export default class SelectField<A = any> extends React.Component<Props<A>, Stat
   }
 
   render() {
-    const { classes, error, nullCase, /*dirty, selectProps, options: optionsProps, */ disabled, renderItem, /*onFocus, */value, className, isEqual: isEqualProp /*...rest*/ } = this.props as Props<A> & WithStyles<ClassKey>;
+    const { ctx, source, classes, error, nullCase, disabled, renderItem, value, className, isEqual: isEqualProp, ...rest } = this.props as Props<A> & WithStyles<ClassKey>;
     const { open } = this.state;
     const rootClass = classNames(className, classes.root, {
       [classes.error]: error,
@@ -125,7 +124,7 @@ export default class SelectField<A = any> extends React.Component<Props<A>, Stat
     const valueIdx = options.findIndex(x => predicate(x, value!));
 
     return (
-      <Select value={valueIdx} onChange={this.handleChange} className={rootClass} disabled={Boolean(disabled)} open={open} onOpen={this.handleOpen} onClose={this.handleClose}>
+      <Select {...rest} value={valueIdx} onChange={this.handleChange} className={rootClass} disabled={Boolean(disabled)} open={open} onOpen={this.handleOpen} onClose={this.handleClose}>
         {nullCase && <MenuItem key="@null" value={-1}>{nullCase}</MenuItem>}
         {options.map((item, idx) => <MenuItem key={idx} value={idx}>{(renderItem || String)(item)}</MenuItem>)}
       </Select>