Необязательный printItem в MultiSelect

MultiSelect.tsx

@@ -17,7 +17,7 @@ export type Props<A> = StandardProps<React.HTMLProps<HTMLDivElement>, string, 'v
   textFieldProps?: Partial<TextFieldProps>;
   renderSuggestion?(a: A): React.ReactNode;
   placeholder?: string;
-  printItem(a: A): string;
+  printItem?(a: A): string;
   id?: string; // Используется для установки `key` пропсов
   isEqual?(a: A, b: A): boolean;
 }
@@ -26,6 +26,10 @@ export type Props<A> = StandardProps<React.HTMLProps<HTMLDivElement>, string, 'v
 // @ts-ignore Component
 @withStyles(styles)
 export default class MultiSelect<A> extends React.Component<Props<A>> {
+  static defaultProps = {
+    printItem: String,
+  };
+  
   handleDelete = memoize((idx: number) => (e?: React.MouseEvent<HTMLDivElement>) => {
     const { value, onValueChange, disabled } = this.props; if (disabled) return;
     const nextValue = value!.slice();
@@ -67,7 +71,7 @@ export default class MultiSelect<A> extends React.Component<Props<A>> {
     const chipClassName = classNames({ [classes!.disabled!]: disabled });
     return !value.length ? null : <div><span className={classes!.chips}>
       {value!.map((ch, i) => (
-        <Chip key={ch[id]} className={chipClassName} label={printItem(ch)} onClick={this.handleDelete(i)} onDelete={this.handleDelete(i)}/>
+        <Chip key={ch[id]} className={chipClassName} label={printItem!(ch)} onClick={this.handleDelete(i)} onDelete={this.handleDelete(i)}/>
       ))}
     </span></div>;
   });

context.tsx

@@ -2,6 +2,7 @@ import * as React from 'react';
 import { AuthCtx as Ctx } from '~/context';
 import { I18nString } from '@bitmaster/utils/gettext';
 import { ObjectPath } from '~/utils';
+import * as gettext from '~/gettext';
 const hoistNonReactStatics = require('hoist-non-react-statics');
 
 
@@ -71,4 +72,4 @@ export type Disabled = boolean|DisabledRecord;
 export interface ErrorRecord {
   [K: string]: Error;
 }
-export type Error = boolean|I18nString|string|ErrorRecord;
+export type Error = boolean|I18nString|string|ErrorRecord|gettext.I18nString;