<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>object-assign</artifactId>
  <version>0.4.0</version>
</dependency>

implementation 'org.webjars.npm:object-assign:0.4.0'

implementation("org.webjars.npm:object-assign:0.4.0")

libraryDependencies += "org.webjars.npm" % "object-assign" % "0.4.0"

@Grapes(
  @Grab(group='org.webjars.npm', module='object-assign', version='0.4.0')
)

<dependency org="org.webjars.npm" name="object-assign" rev="0.4.0" />

[org.webjars.npm/object-assign "0.4.0"]

'org.webjars.npm:object-assign:jar:0.4.0'