yarn dev web版本，报错啦

[eminfan]

WARN Though the "loose" option was set to "false" in your @babel/preset-env config, it will not be used for @babel/plugin-proposal-private-methods since the "loose" mode option was set to "true" for @babel/plugin-proposal-private-property-in-object.
The "loose" option must be the same for @babel/plugin-proposal-class-properties, @babel/plugin-proposal-private-methods and @babel/plugin-proposal-private-property-in-object (when they are enabled): you can silence this warning by explicitly adding
["@babel/plugin-proposal-private-methods", { "loose": true }]
to the "plugins" section of your Babel config.

[eminfan]

把["@babel/plugin-proposal-private-methods", { "loose": true }]加到plugins里面后，又报下面的错

ERROR The "path" argument must be of type string. Received undefined 21:41:54

at validateString (internal/validators.js:124:11)
at Object.extname (path.js:828:5)
at node_modules@nuxt\builder\dist\builder.js:5734:58
at Array.map ()
at Builder.normalizePlugins (node_modules@nuxt\builder\dist\builder.js:5730:28)
at async Builder.generateRoutesAndFiles (node_modules@nuxt\builder\dist\builder.js:5692:31)
at async Builder.build (node_modules@nuxt\builder\dist\builder.js:5621:5)
at async Object._buildDev (node_modules@nuxt\cli\dist\cli-dev.js:102:5)
at async Object.startDev (node_modules@nuxt\cli\dist\cli-dev.js:60:7)
at async Object.run (node_modules@nuxt\cli\dist\cli-dev.js:47:5)
at async NuxtCommand.run (node_modules@nuxt\cli\dist\cli-index.js:2798:7)