import { Types } from './types' ; function forEach ( array , iteratee ) { let index = - 1 ; const length = array . length ; while ( ++ index < length ) { iteratee ( array [ index ] , index ) ; } return array ; } export const Objects = { set ( obj , path , value ) { const pathArray = ( Types . isArray ( path ) ? path : path . match ( /([^[.\]])+/g ) ) as any [ ] ; pathArray . reduce ( ( acc , key , i ) => { if ( acc [ key ] === undefined ) acc [ key ] = { } ; if ( i === pathArray . length - 1 ) acc [ key ] = value ; return acc [ key ] ; } , obj ) ; } , get ( obj , path , def ? ) { const pathArray = ( Types . isArray ( path ) ? path : path . match ( /([^[.\]])+/g ) ) as any [ ] ; return ( pathArray . reduce ( ( prevObj , key ) => prevObj && prevObj [ key ] , obj ) || def ) ; } , unset ( obj , path ) { const pathArray = ( Types . isArray ( path ) ? path : path . match ( /([^[.\]])+/g ) ) as any [ ] ; pathArray . reduce ( ( acc , key , i ) => { if ( i === pathArray . length - 1 ) delete acc [ key ] ; return acc [ key ] ; } , obj ) ; } , has ( obj , path ) { const pathArray = ( Types . isArray ( path ) ? path : path . match ( /([^[.\]])+/g ) ) as any [ ] ; return ! ! pathArray . reduce ( ( prevObj , key ) => prevObj && prevObj [ key ] , obj ) ; } , merge ( target , source ) { const merge = ( target , source ) => { for ( let attr in source ) { let value = source [ attr ] ; if ( value !== null && Types . isPlainObject ( value ) && attr in target ) { merge ( target [ attr ] , value ) ; } else if ( target [ attr ] !== value ) { target [ attr ] = value ; } } } ; merge ( target , source ) ; return target ; } , equal ( object1 , object2 ) { const keys1 = Object . keys ( object1 ) ; const keys2 = Object . keys ( object2 ) ; if ( keys1 . length !== keys2 . length ) { return false ; } for ( const key of keys1 ) { const val1 = object1 [ key ] ; const val2 = object2 [ key ] ; const areObjects = Types . isPlainObject ( val1 ) && Types . isPlainObject ( val2 ) ; if ( ( areObjects && ! Objects . equal ( val1 , val2 ) ) || ( ! areObjects && val1 !== val2 ) ) { return false ; } } return true ; } , difference ( object1 , object2 ) { if ( ! object2 || ! Types . isPlainObject ( object2 ) ) { return object1 ; } var diffs = { } ; var key ; var arraysMatch = function ( arr1 , arr2 ) { if ( arr1 . length !== arr2 . length ) return false ; for ( var i = 0 ; i < arr1 . length ; i ++ ) { if ( arr1 [ i ] !== arr2 [ i ] ) return false ; } return true ; } ; var compare = function ( item1 , item2 , key ) { if ( item2 === undefined ) { diffs [ key ] = null ; return ; } if ( typeof item1 !== typeof item2 ) { diffs [ key ] = item2 ; return ; } if ( Types . isPlainObject ( item1 ) ) { var objDiff = Objects . difference ( item1 , item2 ) ; if ( Object . keys ( objDiff ) . length > 0 ) { diffs [ key ] = objDiff ; } return ; } if ( Array . isArray ( item1 ) ) { if ( ! arraysMatch ( item1 , item2 ) ) { diffs [ key ] = item2 ; } return ; } if ( item1 !== item2 ) { diffs [ key ] = item2 ; } } ; for ( key in object1 ) { if ( object1 . hasOwnProperty ( key ) ) { compare ( object1 [ key ] , object2 [ key ] , key ) ; } } for ( key in object2 ) { if ( object2 . hasOwnProperty ( key ) ) { if ( ! object1 [ key ] && object1 [ key ] !== object2 [ key ] ) { diffs [ key ] = object2 [ key ] ; } } } return diffs ; } , resolveKey ( key , { single = true } = { } ) { if ( [ 'number' , 'string' ] . indexOf ( typeof key ) !== - 1 ) return key ; if ( ! Types . isPlainObject ( key ) ) { return undefined ; } const values = Object . values ( key ) ; if ( values . length === 1 && single ) { key = values [ 0 ] ; } else if ( values . some ( ( v ) => v === undefined ) ) { return undefined ; } return ! Types . isEmpty ( key ) ? key : undefined ; } , clone ( target , map ? ) { if ( map === undefined ) map = new WeakMap ( ) ; if ( typeof target != 'object' || target == null ) { return target ; } const type = Types . rawType ( target ) ; let cloneTarget = null ; if ( map . get ( target ) ) { return map . get ( target ) ; } map . set ( target , cloneTarget ) ; if ( type != 'Set' && type != 'Map' && type != 'Array' && type != 'Object' ) { return Types . clone ( target ) ; } if ( type == 'Set' ) { cloneTarget = new Set ( ) ; target . forEach ( ( value ) => { cloneTarget . add ( this . clone ( value , map ) ) ; } ) ; return cloneTarget ; } if ( type == 'Map' ) { cloneTarget = new Map ( ) ; target . forEach ( ( value , key ) => { cloneTarget . set ( key , this . clone ( value , map ) ) ; } ) ; return cloneTarget ; } if ( type == 'Array' ) { cloneTarget = new Array ( ) ; forEach ( target , ( value , index ) => { cloneTarget [ index ] = this . clone ( value , map ) ; } ) ; } if ( type == 'Object' ) { cloneTarget = new Object ( ) ; forEach ( Object . keys ( target ) , ( key , index ) => { cloneTarget [ key ] = this . clone ( target [ key ] , map ) ; } ) ; } return cloneTarget ; } , } ;