import { gt , valid } from 'semver' ; import { State } from '../state' ; import { IndexMapping } from '../../mappings' ; import { FetchIndexResponse } from '../actions' ; /**
 * A helper function/type for ensuring that all control state's are handled.
 */ export function throwBadControlState ( p ) ; export function throwBadControlState ( controlState ) { throw new Error ( 'Unexpected control state: ' + controlState ) ; } /**
 * A helper function/type for ensuring that all response types are handled.
 */ export function throwBadResponse ( state , p ) ; export function throwBadResponse ( state , res ) { throw new Error ( `${ state . controlState } received unexpected action response: ` + JSON . stringify ( res ) ) ; } remarks param targetMappings param indexMappings export function mergeMigrationMappingPropertyHashes ( targetMappings , indexMappings ) { return { ... targetMappings , _meta : { migrationMappingPropertyHashes : { ... indexMappings . _meta ?. migrationMappingPropertyHashes , ... targetMappings . _meta ?. migrationMappingPropertyHashes , } , } , } ; } export function indexBelongsToLaterVersion ( indexName , kibanaVersion ) { const version = valid ( indexVersion ( indexName ) ) ; return version != null ? gt ( version , kibanaVersion ) : false ; } param indexName export function indexVersion ( indexName ? ) { return ( indexName ?. match ( /.+_(\d+\.\d+\.\d+)_\d+/ ) || [ ] ) [ 1 ] ; } /**
 * Creates a record of alias -> index name pairs
 */ export function getAliases ( indices ) { return Object . keys ( indices ) . reduce ( ( acc , index ) => { Object . keys ( indices [ index ] . aliases || { } ) . forEach ( ( alias ) => { acc [ alias ] = index ; } ) ; return acc ; } , { } as Record < string , string > ) ; }