nl_tokens: Cluster points . @param { Object } state Current state . @param { Object } action Action to handle .
pl_tokens: function clusterPoints ( state , action ) { const source = state . sources [ action . sourceName ] ; if ( ! source ) { return state ; } const src_mixin = [ ] ; const cluster_settings = { } ; if ( typeof action . cluster !== 'undefined' ) { cluster_settings . cluster = action . cluster ; // Mapbox GL style spec defaults to 50, //  whereas OpenLayers defaults to 20px. cluster_settings . clusterRadius = source . clusterRadius ? source . clusterRadius : 50 ; } // The radius can be overridden at any time. if ( typeof action . radius !== 'undefined' ) { cluster_settings . clusterRadius = action . radius ; } src_mixin [ action . sourceName ] = Object . assign ( { } , source , cluster_settings ) ; const newState = Object . assign ( { } , state , { sources : <mask> . assign ( { } , state . sources , src_mixin ) , } , incrementVersion ( state . metadata , SOURCE_VERSION_KEY ) ) ; return newState ; }