reason may be the reason that the sass-loader version is too high:
installation version 7.3.1, can solve the problem

cnpm install [email protected] --save-dev

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• Module not found: Error: Can’t resolve ‘sass-loader’ in ‘F:\H5\project-h5’
• Vue uses SCSS dependency to report an error
• After introducing sass into Vue project, start to report error typeerror [err]_ INVALID_ ARG_ Type]: the “path” argument must be of type string
• The Vue project does not install node sass and an error is reported
• Syntax error: typeerror: this.getoptions is not a function an error is reported when the. SCSS file is imported globally
• Installation problems in using SCSS
• After NPM run dev is running, the browser does not respond and reports an error in. / ~ / Babel loader / lib! / ~ / Vue loader / lib/ selector.js?type=script&in
• Vue — report error with less module build failed: typeerror: loaderContext.getResolve is not a function
• Module build failed: Error: Node Sass version 6.0.0 is incompatible with ^4.0.0.
• Error reporting – the project directly introduces the error reporting and solution of. SCSS file
• Solution to node sass installation failure
• Module build failed: Error: ENOENT: no such file or directory, scandir，‘node_modules\node-sass\vend’
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• Vue report failed to mount component: template or render function not defined
• Error: cannot find module ‘node sass’
• Solution to the problem of selecting node sass when creating vue-cli3
• Syntax Error: Error: Node Sass version 6.0.1 is incompatible with ^4.0.0.
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