Error while installing "materializecss" with npm

Question

I'm trying to install materialize-css with npm:

npm install materialize-css --save-dev

But I get the following error:

2887 error node v4.2.4
2888 error npm v2.14.12
2889 error code EPEERINVALID
2890 error peerinvalid The package [email protected] does not satisfy its siblings' peerDependencies requirements!
2890 error peerinvalid Peer [email protected] wants es6-shim@^0.35.0

What does this error mean and how can I fix it?

Have you tried deleting the entire npm package folder and re running npm install? — Fabrizio Migotto
– Fabrizio Migotto, Commented Aug 25, 2016 at 19:27
@FabrizioMigotto I deleted the entire node_modules and reinstalled everything from scratch, and materialize was installed this time :) — Meysam
– Meysam, Commented Aug 25, 2016 at 20:18

Fabrizio Migotto · Accepted Answer · 2016-08-25 20:22:52Z

1

Try to delete the entire node_modules folder and re run npm install

answered Aug 25, 2016 at 20:22

Fabrizio Migotto

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Comments

Dave V · Accepted Answer · 2016-08-25 19:33:17Z

0

It means that you have es6-shim version 0.33.13 installed and angular2 version 2.0.0-beta.17 wants a higher version (specifically 0.35.0 or higher). You need to update that package (es6-shim) to at least that version to satisfy the dependency

answered Aug 25, 2016 at 19:33

Dave V

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4 Comments

Meysam Over a year ago

Isn't npm meant to handle those dependencies?

Dave V Over a year ago

It all depends on how the package lists the dependencies, it doesn't have to install them, which is where you can run into version conflicts. Do you have the es6-shim package specifically listed in your package.json

Meysam Over a year ago

No I don't have it in package.json. I deleted the entire node_modules and reinstalled everything from scratch, and materialize was installed this time :)

Dave V Over a year ago

then you just had a conflicting version already installed, easy fix!

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