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Currently, If I run npm install, it installs the updated version of already installed packages. How can I install the exact version as specified in the package.json file?
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For npm install specific version, use npm install [package-name]@[version-number]. Use npm view [package-name] version to know the specific latest version of a package available on the npm registry. Use npm list [package-name] to know the specific latest version of an installed package.
Use the engines keyword in the package. json file to specify the Node. js version that you want your application to use. You can also specify a version range using npm notation.
To update a specific package, we need to run the npm update command followed by the package name. Sometimes, you want to update a package to the specific version in such cases you need to use npm install command by specifying a version number after the package name.
By default npm installs packages using ^ which means any version in the same major range, you can switch this behaviour by using --save-exact
// npm npm install --save --save-exact react // yarn yarn add --exact react I created a blog post about this if anyone is looking for this in the future.
https://www.dalejefferson.com/articles/2018-02-04-how-to-save-exact-npm-package-versions/
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That behavior is really driven by the one specifying the versions in the package.json. If the version number looks like "1.0.0", without any other symbols, the exact version (1.0.0) should be installed.
So what you could do is simply modify the package.json and run a npm install then. Be sure to clear out the node_modules directory before you do that.
https://docs.npmjs.com/files/package.json#dependencies
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