[core] Avoid popper.js warning

Author: oliviertassinari

packages/material-ui/package.json

@@ -48,14 +48,14 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.4.4",
+    "@material-ui/popper.js": "^4.9.9",
     "@material-ui/styles": "^4.9.6",
     "@material-ui/system": "^4.9.6",
     "@material-ui/types": "^5.0.0",
     "@material-ui/utils": "^4.9.6",
     "@types/react-transition-group": "^4.2.0",
     "clsx": "^1.0.2",
     "hoist-non-react-statics": "^3.3.2",
-    "popper.js": "^1.14.1",
     "prop-types": "^15.7.2",
     "react-is": "^16.8.0",
     "react-transition-group": "^4.3.0"

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

@@ -1,5 +1,5 @@
 import * as React from 'react';
-import PopperJs, { ReferenceObject } from 'popper.js';
+import PopperJs, { ReferenceObject } from '@material-ui/popper.js';
 import { PortalProps } from '../Portal';
 import { TransitionProps } from '../transitions/transition';
 

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

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import PropTypes from 'prop-types';
-import PopperJS from 'popper.js';
+import PopperJS from '@material-ui/popper.js';
 import { chainPropTypes, refType } from '@material-ui/utils';
 import { useTheme } from '@material-ui/styles';
 import Portal from '../Portal';

packages/material-ui/src/Popper/Popper.spec.tsx

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import Tooltip from '@material-ui/core/Tooltip';
-import PopperJs from 'popper.js';
+import PopperJS from '@material-ui/popper.js';
 
 interface Props {
   children: React.ReactElement;

packages/material-ui/src/Popper/Popper.test.js

@@ -7,7 +7,7 @@ import { ThemeProvider, createMuiTheme } from '@material-ui/core/styles';
 import describeConformance from '@material-ui/core/test-utils/describeConformance';
 import { createClientRender } from 'test/utils/createClientRender';
 import consoleErrorMock from 'test/utils/consoleErrorMock';
-import PopperJS from 'popper.js';
+import PopperJS from '@material-ui/popper.js';
 import Grow from '../Grow';
 import Popper from './Popper';
 

yarn.lock

@@ -2017,6 +2017,11 @@
     react-transition-group "^4.0.0"
     rifm "^0.7.0"
 
+"@material-ui/popper.js@^4.9.9":
+  version "4.9.9"
+  resolved "https://registry.yarnpkg.com/@material-ui/popper.js/-/popper.js-4.9.9.tgz#3071fa2db4d4598fb5061b32c366742633837b92"
+  integrity sha512-9EERzgwbrqxycmzBrQwYOdlb5E5Cg/S6BpKNYyv14X4xLBzo4rC51mPA2mEXBLvYdrmWWv0TKolz/z51yv1cqQ==
+
 "@material-ui/react-transition-group@^4.2.0":
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/@material-ui/react-transition-group/-/react-transition-group-4.2.0.tgz#afec833bbcc79f05a9b4d4828b3e07965cc7e321"
@@ -12406,11 +12411,6 @@ [email protected]:
   dependencies:
     ts-pnp "^1.1.2"
 
-popper.js@^1.14.1:
-  version "1.16.0"
-  resolved "https://registry.yarnpkg.com/popper.js/-/popper.js-1.16.0.tgz#2e1816bcbbaa518ea6c2e15a466f4cb9c6e2fbb3"
-  integrity sha512-+G+EkOPoE5S/zChTpmBSSDYmhXJ5PsW8eMhH8cP/CQHMFPBG/kC9Y5IIw6qNYgdJ+/COf0ddY2li28iHaZRSjw==
-
 posix-character-classes@^0.1.0:
   version "0.1.1"
   resolved "https://registry.yarnpkg.com/posix-character-classes/-/posix-character-classes-0.1.1.tgz#01eac0fe3b5af71a2a6c02feabb8c1fef7e00eab"