When NPM install is executed from the command line, an error is reported as follows:

D:\frontend\viewsdev>npm install
npm ERR! code EINTEGRITY
npm ERR! sha512-8qtu6VYSXUExVPx6H8s8+OhQo0UQP7ogAoOa2bOPCvnhlpaGVYf3yh45WNa7PhhdWSOGQW3DdblqMX8UJ7Cu6g== integrity checksum failed when using sha512: wanted sha512-8qtu6VYSXUExVPx6H8s8+OhQo0UQP7ogAoOa2bOPCvnhlpaGVYf3yh45WNa7PhhdWSOGQW3DdblqMX8UJ7Cu6g== but got sha512-OvgW+e/pBS2QuX5CTDaaE+DM62t8mMk+IJfcpE3Zv1DC03DwoOKcyqRHlA+lkXWahSOPmvYZJSEDUKX0nOeLDw==. (4954746 bytes)

Later, it was found that there was a problem with the NPM version, which needed to be updated to the latest version

D:\frontend\viewsdev>npm install -g npm
C:\Users\wulf\AppData\Roaming\npm\npx -> C:\Users\wulf\AppData\Roaming\npm\node_modules\npm\bin\npx-cli.js
C:\Users\wulf\AppData\Roaming\npm\npm -> C:\Users\wulf\AppData\Roaming\npm\node_modules\npm\bin\npm-cli.js
+ [email protected]
added 396 packages in 45.85s

Re install succeeded:

D:\frontend\viewsdev>npm install

> [email protected] preinstall D:\frontend\viewsdev
> npm install ./local_modules/my-htmlone ./local_modules/my-url-loader

npm WARN deprecated [email protected]: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated [email protected]: the module is now available as 'css-select'
npm WARN deprecated [email protected]: the module is now available as 'css-what'
npm WARN [email protected] requires a peer of file-loader@* but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] No repository field.

+ [email protected]
+ [email protected]
updated 2 packages and audited 131 packages in 12.198s
found 3 vulnerabilities (2 low, 1 moderate)
  run `npm audit fix` to fix them, or `npm audit` for details
npm WARN deprecated [email protected]: 🙌  Thanks for using Babel: we recommend using babel-preset-env now: please read babeljs.io/env to update!
npm WARN deprecated [email protected]: Has been renamed to https://www.npmjs.com/package/webpack-stream
npm WARN deprecated [email protected]: gulp-util is deprecated - replace it, following the guidelines at https://medium.com/gulpjs/gulp-util-ca3b1f9f9ac5
npm WARN deprecated [email protected]: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
npm WARN deprecated [email protected]: react-tools is deprecated. For more information, visit https://fb.me/react-tools-deprecated
npm WARN deprecated [email protected]: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js
npm WARN deprecated [email protected]: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated [email protected]: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.
npm WARN deprecated [email protected]: Please update to minimatch 3.0.2 or higher to avoid a RegExp DoS issue
npm WARN deprecated [email protected]: please upgrade to graceful-fs 4 for compatibility with current and future versions of Node.js

> [email protected] install D:\frontend\viewsdev\node_modules\node-sass
> node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.9.2/win32-x64-57_binding.node
Download complete  ] - :
Binary saved to D:\frontend\viewsdev\node_modules\node-sass\vendor\win32-x64-57\binding.node
Caching binary to C:\Users\wulf\AppData\Roaming\npm-cache\node-sass\4.9.2\win32-x64-57_binding.node

> [email protected] postinstall D:\frontend\viewsdev\node_modules\node-sass
> node scripts/build.js

Binary found at D:\frontend\viewsdev\node_modules\node-sass\vendor\win32-x64-57\binding.node
Testing binary
Binary is fine
npm WARN [email protected] requires a peer of jquery@>=1.8.0 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of node-sass@^3.4.2 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] No repository field.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

added 1243 packages from 760 contributors and audited 9576 packages in 186.808s
found 22 vulnerabilities (8 low, 10 moderate, 4 high)
  run `npm audit fix` to fix them, or `npm audit` for details