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I just updated my dependencies and it automatically put the "^" symbol in front. What does it mean? There is nothing in the documentation about it.
Example
"bower": "^1.2.8",
I could also find it in some of the npm commits https://github.com/npm/npm/commit/ce662561ca0a7b154a7e6058a6a2428b49bd7266 https://www.npmjs.org/doc/json.html
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These are the packages that are being used in the code of the project. For example if my application is working with mongoDB then there may a dependency of mongodb node package in my application.These dependencies are specified under the key “dependencies” in package.json file. And developer may use npm i package_name.
Dev Dependencies: In package. json file, there is an object called as dev Dependencies and it consists of all the packages that are used in the project in its development phase and not in the production or testing environment with its version number.
libuv is a multi-platform C library that provides support for asynchronous I/O based on event loops. It supports epoll(4) , kqueue(2) , Windows IOCP, and Solaris event ports. It is primarily designed for use in Node. js but it is also used by other software projects.
The syntax is in JSON format where the key is the name of the package and the value is the version of the package to be used. npm uses the package. json file to specify the version of a package that your app depends on. The version number is in semver syntax which designates each section with different meaning.
It's part of the syntax for semver.
From https://www.npmjs.org/doc/misc/semver.html
^1.2.3:=>=1.2.3-0 <2.0.0-0"Compatible with 1.2.3". When using caret operators, anything from the specified version (including prerelease) will be supported up to, but not including, the next major version (or its prereleases).
In your case, it means the project has a dependency on bower 1.2.8, but should continue to work until bower 2.0.0.
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