/* befor */
[
{
id: 1,
name: "robert",
phone: "010-2786-9902",
type: "sk",
childnode: [
{
id: 11,
name: "echo",
phone: "010-3923-1333",
type: "kt",
childnode: [
{
id: 115,
name: "hary",
phone: "010-2786-9302",
type: "sk",
childnode: [
{
id: 1159,
name: "pobi",
phone: "010-9302-0009",
type: "kt",
childnode: [
{
id: 11592,
name: "cherry",
phone: "010-1223-9932",
type: "lg",
childnode: []
},
{
id: 11595,
name: "solvin",
phone: "010-534-7843",
type: "sk",
childnode: []
}
]
}
]
},
{
id: 116,
name: "kim",
phone: "010-3796-1102",
type: "kt",
childnode: [
{
id: 1168,
name: "hani",
phone: "010-1223-6713",
type: "sk",
childnode: [
{
id: 11689,
name: "ho",
phone: "010-4434-4534",
type: "kt",
childnode: [
{
id: 116890,
name: "wonsuk",
phone: "010-3434-1302",
type: "kt",
childnode: []
},
{
id: 1168901,
name: "chulsu",
phone: "010-3100-9841",
type: "sk",
childnode: []
}
]
}
]
}
]
},
{
id: 117,
name: "hong",
phone: "010-2786-9902",
type: "lg",
childnode: []
}
]
}
]
}
];
/* after */
[
{ name: 'robert', phone: '010-2786-9902' },
{ name: 'hary', phone: '010-2786-9302' },
{ name: 'solvin', phone: '010-534-7843' },
{ name: 'hani', phone: '010-1223-6713' },
{ name: 'chulsu', phone: '010-3100-9841' }
]