Missing dependency 'classnames' in package.json

[alienzhangyw]

tooltip/src/Popup.tsx

Line 2 in df5ec28

import classNames from 'classnames';

tooltip/package.json

Lines 40 to 43 in df5ec28

	"dependencies": {
	"@babel/runtime": "^7.11.2",
	"rc-trigger": "^5.0.0"
	},

Will cause build error "can't find module 'classnames'" when using yarn.

[MichaelTan9999]

The same error is found on Ant Design 4.21.7 when I plan to upgrade from Ant Design 4.21.6. I use Vite 3.0 and Yarn 3.2.1. The detail is shown as below.

    .yarn/__virtual__/rc-tooltip-virtual-8d6f02d843/0/cache/rc-tooltip-npm-5.2.1-d9f4fa59bb-a0bbee568c.zip/node_modules/rc-tooltip/es/Popup.js:2:23:
      2 │ import classNames from 'classnames';
        ╵                        ~~~~~~~~~~~~

  You can mark the path "classnames" as external to exclude it from the bundle,
  which will remove this error.