How to create npm/yarn dependency tree from just package.json; without creating node_modules folder

Question

I inherited an application which works fine in node8, but npm install fails in node10, giving an error about fibers package being built using node-gyp

fibers is not a direct dependency of the app, so I want to know which dependency is bringing in fibers as it's dependency.

Unfortunately, npm ls, yarn why only works when node_modules is generated completely through npm install or yarn install. I did research online but couldn't find a static dependency tree generator just from package.json.

Even though I could just use node8 and run npm install followed by npm ls to figure out whose bringing in fibers; I believe there should be an easier static analysis of package.json.

Is there no way to statically analyze a package.json and create a dependency graph for it in npm/nodejs ?

I come from java and we had maven which can just analyze a file named pom.xml to create a nice graph about whats coming from where.

coding_idiot · Accepted Answer · 2018-09-26 00:58:55Z

4

Execute npm install in the directory and let it fail.
It'll output something like A log of this can be found at <location>
Open the log file and search for the text saveTree.
Notice a hierarchy of resolved packages
Here you can find the module you're looking for and whose bringing it in.

answered Sep 26, 2018 at 0:58

coding_idiot

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