when npm i imagemin say itself not install?WARN [email protected] requires a peer of imagemin@^5.0.0 but none is installed

Question

npm -v 6.4.1 nvm --version 0.33.11

when I install laravel-echo (in ubuntu16.04)

npm i --save socket.io-client

I got the error warning

npm WARN [email protected] requires a peer of ajv@^6.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of imagemin@^5.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

+ [email protected]
added 26 packages from 21 contributors and audited 11731 packages in 35.934s
found 0 vulnerabilities

So I continuce to install them

npm i imagemin

But I got the itself missing error?

I want to install the imagemin but it says itself missing?
    npm WARN [email protected] requires a peer of imagemin@^5.0.0 but none is installed. You must install peer dependencies yourself.
    npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/fsevents):
    npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"linux","arch":"x64"})

    + [email protected]
    updated 1 package and audited 12680 packages in 30.571s
    found 0 vulnerabilities

I also try

$npm install -g npm-install-peers

$npm-install-peers

shows

This package doesn't seem to have any peerDependencies

Answer 1

npm install imagemin@^5.0.0

fixed it for me.