nl_tokens: Remove a source from the state . @param { Object } state Current state . @param { Object } action Action to handle .
pl_tokens: function removeSource ( state , action ) { const new_sources = Object . assign ( { } , state . sources ) ; delete new_sources [ action . sourceName ] ; return Object . assign ( { } , <mask> , { sources : new_sources , } , incrementVersion ( state . metadata , SOURCE_VERSION_KEY ) ) ; }