import { Node , ESTree } from "../../Node" ; import { BaseClosure , } from '../../Closure' ; import { Messages } from '../../Message' ; import { Interpreter } from '../../../interpreter/main' ; export function objectPatternAssignHandler ( this , node ) { if ( node . left . type === "Identifier" && node . right . type === "FunctionExpression" && ! node . right . id ) { node . right . id = { type : "Identifier" , name : node . left . name , } ; } const dataGetter = this . createLeftObjectGetter ( node . left ) ; const nameGetter = this . createNameGetter ( node . left ) ; const rightValueGetter = this . createClosure ( node . right ) ; const rightName = node . right . id ? node . right . id . name : 'rightValue' ; const rest = node . rest ; const copyIndex = node . index ; const arrRest = node . arrRest ; return ( ) => { const data = dataGetter ( ) ; const name = nameGetter ( ) ; const rightValue = rightValueGetter ( ) ; if ( copyIndex != null ) { if ( arrRest ) { if ( rightValue . slice && typeof rightValue . slice === 'function' ) { return ( data [ name ] = rightValue . slice ( copyIndex ) ) ; } else { throw this . createInternalThrowError ( Messages . NormalError , `${ rightValue }.slice is not a function` ) ; } } else { return ( data [ name ] = rightValue [ copyIndex ] ) ; } } else { if ( rest && rest . length ) { if ( ! rightValue || typeof rightValue !== 'object' ) { return ( data [ name ] = { } ) ; } let res = { } ; Object . getOwnPropertyNames ( rightValue ) . forEach ( key => { if ( rest . indexOf ( key ) == - 1 ) { res [ key ] = rightValue [ key ] ; } } ) ; return ( data [ name ] = res ) ; } else { return ( data [ name ] = rightValue [ name ] ) ; } } } ; }