It is the SemVer specification that decrees that all 1.x releases should be backwards-compatible with other 1.x releases.
The above are all equivalent, but only in npm. Furthermore, npm allows the use of “ranges” (also known as “constraints”). Ranges are not part of SemVerĪs you may already know, npm uses “ Semantic Versioning” (SemVer) to define versions, i.e. However, your choice of constraints can be just as important as your choice for how to update them. You might not have given this much thought before because npm and other clients pick defaults for you. Defining the Ranges and Constraints of npm Updatesīefore you dive into updating npm dependencies, take the time to first reconsider how you define your package versions to begin with. In the following guide we’ll use the term npm to keep things simple, however it also applies almost universally to yarn, pnpm, or lerna. It starts out with simple concepts to get everybody aligned, and goes on to present cutting-edge approaches to npm dependency management that weren’t available even a year or two ago. This guide will explain why you need to keep your npm dependencies updated, and the most efficient ways to do so. We have two choices from here, either upgrade all packages or just upgrade those that have a major change.Selecting and installing a dependency with Node Package Manager (npm) is only half the job. The following dependency is satisfied by its declared version range, but the installed version is behind is telling us that the constrain we have is honored and we can install the newest version 6.0.2. For primeng, we can update without changing the package.json and that is what the message tells us:
Therefore the version must be set manually. įor example here, tslint can’t be upgraded as the ~ (tilde) restrain to only patch updates. If you want to update the dependency in your package file anyway, run ncu -a.
You can install the latest version without modifying your package file by using npm update. The following dependency is satisfied by its declared version range, but the installed version is behind.
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