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Specifing package versions in package.json file

July 25, 2020

Wildcards

// sample package.json
"dependencies": {
"gatsby": "^2.23.3"
},
"engines": {
"node": ">=10.15.0"
}
  • ~: if you write ~2.23.3, you want to only update releases like 2.23.xxxxx but not versions from 2.24.0

  • ^: if you write ^2.24.0, you want to update patch and minor releases: 2.24.2, 2.24.2 ..., 2.25.0 and so on but not from 3.0.0.

  • *: if you write *2.23.3, that means you accept all updates including 3.0.0, 4.0.0 and so on.

  • latest: want to use the latest version available.

Arthmetic Operators

  • >= or >: accept any version equal to or higher than the one you specify

  • <= or <: accept any version equal or less than the one specified.

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