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engine-check
Advanced tools
This is a drop-in module to enforce the node engine version specified in your project's package.json.
Add an "engines" section
to your package.json
, if you don't have it already.
{
"name": "my-app",
...
"engines": {
"node": ">=4.0"
}
}
Add this to the entry point of your node app:
// index.js
require('engine-check')()
console.log('Hello node >=4.0!')
And then run your app with the correct version of node:
bash$ node -v
v4.3.1
bash$ node index.js
Hello node >=4.0!
bash$ echo $?
0
Or with an outdated one:
bash$ node -v
v0.12.10
bash$ node index.js
Detected node version: 0.12.10. Required node version: >=4.0.
bash$ echo $?
1
Note: the warning is sent to STDERR. If you'd rather not have any output, you
can set the silent
option:
// index.js
require('engine-check')({ silent: true })
console.log('Hello node >=4.0!')
bash$ node -v
v0.12.10
bash$ node index.js
bash$ echo $?
1
silent
(default: false
)
true
, completely disables all STDERR outputdebug
(default: false
)
true
, STDERR output becomes more verbosesearchRoot
(default: the dirname of the main module)
package.json
Currently only the "node"
engine is checked.
Copyright (c) 2016, Peter-Paul van Gemerden.
Distributed under the ISC license (see the LICENSE
file).
FAQs
Enforce node engine version from package.json
We found that engine-check demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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