[core] Export core utils modules from barrel

packages/material-ui/src/ButtonBase/ButtonBase.js

@@ -7,7 +7,7 @@ import useForkRef from '../utils/useForkRef';
 import useEventCallback from '../utils/useEventCallback';
 import withStyles from '../styles/withStyles';
 import NoSsr from '../NoSsr';
-import { useIsFocusVisible } from '../utils/focusVisible';
+import useIsFocusVisible from '../utils/useIsFocusVisible';
 import TouchRipple from './TouchRipple';
 
 export const styles = {

packages/material-ui/src/Link/Link.js

@@ -4,7 +4,7 @@ import clsx from 'clsx';
 import capitalize from '../utils/capitalize';
 import withStyles from '../styles/withStyles';
 import { elementTypeAcceptingRef } from '@material-ui/utils';
-import { useIsFocusVisible } from '../utils/focusVisible';
+import useIsFocusVisible from '../utils/useIsFocusVisible';
 import useForkRef from '../utils/useForkRef';
 import Typography from '../Typography';
 

packages/material-ui/src/Slider/Slider.js

@@ -5,7 +5,7 @@ import { chainPropTypes } from '@material-ui/utils';
 import withStyles from '../styles/withStyles';
 import useTheme from '../styles/useTheme';
 import { fade, lighten, darken } from '../styles/colorManipulator';
-import { useIsFocusVisible } from '../utils/focusVisible';
+import useIsFocusVisible from '../utils/useIsFocusVisible';
 import ownerDocument from '../utils/ownerDocument';
 import useEventCallback from '../utils/useEventCallback';
 import useForkRef from '../utils/useForkRef';

packages/material-ui/src/Tooltip/Tooltip.js

@@ -10,7 +10,7 @@ import Grow from '../Grow';
 import Popper from '../Popper';
 import useForkRef from '../utils/useForkRef';
 import setRef from '../utils/setRef';
-import { useIsFocusVisible } from '../utils/focusVisible';
+import useIsFocusVisible from '../utils/useIsFocusVisible';
 import useControlled from '../utils/useControlled';
 import useTheme from '../styles/useTheme';
 

packages/material-ui/src/index.d.ts

@@ -56,6 +56,8 @@ import * as colors from './colors';
 export { colors };
 export * from './styles';
 
+export * from './utils';
+
 export { default as AppBar } from './AppBar';
 export * from './AppBar';
 

packages/material-ui/src/index.js

@@ -4,6 +4,8 @@ import * as colors from './colors';
 export { colors };
 export * from './styles';
 
+export * from './utils';
+
 export { default as AppBar } from './AppBar';
 export * from './AppBar';
 

packages/material-ui/src/utils/capitalize.d.ts

@@ -1 +1 @@
-export default function capitalize(str: string): string;
+export default function capitalize(string: string): string;

packages/material-ui/src/utils/createSvgIcon.d.ts

@@ -1,5 +1,3 @@
 import SvgIcon from '@material-ui/core/SvgIcon';
 
-declare function createSvgIcon(path: React.ReactNode, displayName: string): typeof SvgIcon;
-
-export default createSvgIcon;
+export default function createSvgIcon(path: React.ReactNode, displayName: string): typeof SvgIcon;

packages/material-ui/src/utils/debounce.d.ts

@@ -0,0 +1,8 @@
+export interface Cancelable {
+  clear(): void;
+}
+
+export default function debounce<T extends (...args: any[]) => any>(
+  func: T,
+  wait?: number,
+): T & Cancelable;

packages/material-ui/src/utils/deprecatedPropType.d.ts

@@ -0,0 +1 @@
+export default function deprecatedPropType<T>(validator: T, reason: string): T;

packages/material-ui/src/utils/focusVisible.test.js

@@ -2,7 +2,7 @@ import { assert } from 'chai';
 import * as React from 'react';
 import * as ReactDOM from 'react-dom';
 import { createMount } from '@material-ui/core/test-utils';
-import { teardown as teardownFocusVisible, useIsFocusVisible } from './focusVisible';
+import useIsFocusVisible, { teardown as teardownFocusVisible } from './useIsFocusVisible';
 import useForkRef from './useForkRef';
 
 function dispatchFocusVisible(element) {

packages/material-ui/src/utils/index.d.ts

@@ -1,2 +1,15 @@
+export { default as capitalize } from './capitalize';
+export { default as createChainedFunction } from './deprecatedPropType';
+export { default as createSvgIcon } from './createSvgIcon';
+export { default as debounce } from './debounce';
+export { default as deprecatedPropType } from './deprecatedPropType';
+export { default as isMuiElement } from './isMuiElement';
+export { default as ownerDocument } from './ownerDocument';
 export { default as ownerWindow } from './ownerWindow';
 export { default as requirePropFactory } from './requirePropFactory';
+export { default as setRef } from './setRef';
+export { default as unsupportedProp } from './unsupportedProp';
+export { default as useControlled } from './useControlled';
+export { default as useEventCallback } from './useEventCallback';
+export { default as useForkRef } from './useForkRef';
+export { default as useIsFocusVisible } from './useIsFocusVisible';

packages/material-ui/src/utils/index.js

@@ -1,7 +1,9 @@
 export { default as capitalize } from './capitalize';
+export { default as createChainedFunction } from './deprecatedPropType';
+export { default as createSvgIcon } from './createSvgIcon';
+export { default as debounce } from './debounce';
 export { default as deprecatedPropType } from './deprecatedPropType';
 export { default as isMuiElement } from './isMuiElement';
-export { default as createSvgIcon } from './createSvgIcon';
 export { default as ownerDocument } from './ownerDocument';
 export { default as ownerWindow } from './ownerWindow';
 export { default as requirePropFactory } from './requirePropFactory';
@@ -10,4 +12,4 @@ export { default as unsupportedProp } from './unsupportedProp';
 export { default as useControlled } from './useControlled';
 export { default as useEventCallback } from './useEventCallback';
 export { default as useForkRef } from './useForkRef';
-export { useIsFocusVisible } from './focusVisible';
+export { default as useIsFocusVisible } from './useIsFocusVisible';

packages/material-ui/src/utils/ownerDocument.d.ts

@@ -0,0 +1 @@
+export default function ownerDocument(node?: Node): Document;

packages/material-ui/src/utils/ownerWindow.d.ts

@@ -1 +1 @@
-export default function ownerWindow(node: Node): Window;
+export default function ownerWindow(node?: Node): Window;

packages/material-ui/src/utils/setRef.js

@@ -1,4 +1,4 @@
-// TODO v5: make it private
+// TODO v5: consider to make it private
 export default function setRef(ref, value) {
   if (typeof ref === 'function') {
     ref(value);

packages/material-ui/src/utils/unsupportedProp.d.ts

@@ -0,0 +1,7 @@
+export default function unsupportedProp(
+  props: { [key: string]: any },
+  propName: string,
+  componentName: string,
+  location: string,
+  propFullName: string,
+): Error | null;

packages/material-ui/src/utils/useEventCallback.d.ts

@@ -0,0 +1,5 @@
+export interface Cancelable {
+  clear(): void;
+}
+
+export default function useEventCallback(...args: any[]): void;

packages/material-ui/src/utils/useIsFocusVisible.d.ts

@@ -0,0 +1,5 @@
+export default function useIsFocusVisible(): {
+  isFocusVisible: (event: React.ChangeEvent) => boolean;
+  onBlurVisible: () => void;
+  ref: React.Ref<unknown>;
+};

packages/material-ui/src/utils/focusVisible.js → packages/material-ui/src/utils/useIsFocusVisible.js

@@ -131,7 +131,7 @@ function handleBlurVisible() {
   }, 100);
 }
 
-export function useIsFocusVisible() {
+export default function useIsFocusVisible() {
   const ref = React.useCallback((instance) => {
     const node = ReactDOM.findDOMNode(instance);
     if (node != null) {