Mixing
Map return returning last iteration of recursion?
2
I am using recursion to step through this array of object's children. However it is returning the top level parents. The array of objects is:
const orgs = {
children:[{name:'Core Enginerinng Ops', orgId:741,
children:[{name:'Child Engineering Ops', orgId:5656,
children:[{name: 'Child Engineering Last LEVEL AHAHHH', orgid:6969}]},{name: 'Child 2 Engineering OPS', orgId: 852}]},{name: 'Data Services Engineering', orgId: 456,
children:[{name:'Child Data Services', orgId:978},{name: 'Child 2 Data Services', orgId: 354}]}]
}
My end goal is to save the objects into a new array with just the name and the orgId as object for each parent and child.
flattenOrgs = (organizations) => {
const flatArray =organizations.map(org => {
if (org.children && org.children.length > 0) {
this.flattenOrgs(org.children)
}
console.log(org.name)
return org.name
})
return flatArray
}
However when I pass it through this function that uses recursion it only returns the 'org.name': ["Core Enginerinng Ops", "Data Services Engineering"]. I'm not great with recursion, but it doesn't make sense to me that the console.log(org.name) prints out each individual name as expected... But it doesn't return that name?
EDIT
console.log(org.name) before return
Child Engineering Last LEVEL AHAHHH
Child Engineering Ops
Child 2 Engineering OPS
Core Enginerinng Ops
Child Data Services
Child 2 Data Services
Data Services Engineering
javascript
asked Nov 19 '18 at 13:42
user10204157
1339
add a comment |
2
I am using recursion to step through this array of object's children. However it is returning the top level parents. The array of objects is:
const orgs = {
children:[{name:'Core Enginerinng Ops', orgId:741,
children:[{name:'Child Engineering Ops', orgId:5656,
children:[{name: 'Child Engineering Last LEVEL AHAHHH', orgid:6969}]},{name: 'Child 2 Engineering OPS', orgId: 852}]},{name: 'Data Services Engineering', orgId: 456,
children:[{name:'Child Data Services', orgId:978},{name: 'Child 2 Data Services', orgId: 354}]}]
}
My end goal is to save the objects into a new array with just the name and the orgId as object for each parent and child.
flattenOrgs = (organizations) => {
const flatArray =organizations.map(org => {
if (org.children && org.children.length > 0) {
this.flattenOrgs(org.children)
}
console.log(org.name)
return org.name
})
return flatArray
}
However when I pass it through this function that uses recursion it only returns the 'org.name': ["Core Enginerinng Ops", "Data Services Engineering"]. I'm not great with recursion, but it doesn't make sense to me that the console.log(org.name) prints out each individual name as expected... But it doesn't return that name?
EDIT
console.log(org.name) before return
Child Engineering Last LEVEL AHAHHH
Child Engineering Ops
Child 2 Engineering OPS
Core Enginerinng Ops
Child Data Services
Child 2 Data Services
Data Services Engineering
javascript
asked Nov 19 '18 at 13:42
user10204157
1339
add a comment |
2
2
2
I am using recursion to step through this array of object's children. However it is returning the top level parents. The array of objects is:
const orgs = {
children:[{name:'Core Enginerinng Ops', orgId:741,
children:[{name:'Child Engineering Ops', orgId:5656,
children:[{name: 'Child Engineering Last LEVEL AHAHHH', orgid:6969}]},{name: 'Child 2 Engineering OPS', orgId: 852}]},{name: 'Data Services Engineering', orgId: 456,
children:[{name:'Child Data Services', orgId:978},{name: 'Child 2 Data Services', orgId: 354}]}]
}
My end goal is to save the objects into a new array with just the name and the orgId as object for each parent and child.
flattenOrgs = (organizations) => {
const flatArray =organizations.map(org => {
if (org.children && org.children.length > 0) {
this.flattenOrgs(org.children)
}
console.log(org.name)
return org.name
})
return flatArray
}
However when I pass it through this function that uses recursion it only returns the 'org.name': ["Core Enginerinng Ops", "Data Services Engineering"]. I'm not great with recursion, but it doesn't make sense to me that the console.log(org.name) prints out each individual name as expected... But it doesn't return that name?
EDIT
console.log(org.name) before return
Child Engineering Last LEVEL AHAHHH
Child Engineering Ops
Child 2 Engineering OPS
Core Enginerinng Ops
Child Data Services
Child 2 Data Services
Data Services Engineering
javascript
asked Nov 19 '18 at 13:42
user10204157
1339
I am using recursion to step through this array of object's children. However it is returning the top level parents. The array of objects is:
const orgs = {
children:[{name:'Core Enginerinng Ops', orgId:741,
children:[{name:'Child Engineering Ops', orgId:5656,
children:[{name: 'Child Engineering Last LEVEL AHAHHH', orgid:6969}]},{name: 'Child 2 Engineering OPS', orgId: 852}]},{name: 'Data Services Engineering', orgId: 456,
children:[{name:'Child Data Services', orgId:978},{name: 'Child 2 Data Services', orgId: 354}]}]
}
My end goal is to save the objects into a new array with just the name and the orgId as object for each parent and child.
flattenOrgs = (organizations) => {
const flatArray =organizations.map(org => {
if (org.children && org.children.length > 0) {
this.flattenOrgs(org.children)
}
console.log(org.name)
return org.name
})
return flatArray
}
However when I pass it through this function that uses recursion it only returns the 'org.name': ["Core Enginerinng Ops", "Data Services Engineering"]. I'm not great with recursion, but it doesn't make sense to me that the console.log(org.name) prints out each individual name as expected... But it doesn't return that name?
EDIT
console.log(org.name) before return
Child Engineering Last LEVEL AHAHHH
Child Engineering Ops
Child 2 Engineering OPS
Core Enginerinng Ops
Child Data Services
Child 2 Data Services
Data Services Engineering
javascript
javascript
asked Nov 19 '18 at 13:42
user10204157
1339
asked Nov 19 '18 at 13:42
user10204157
1339
edited Nov 19 '18 at 13:48
asked Nov 19 '18 at 13:42
user10204157
1339
asked Nov 19 '18 at 13:42
user10204157
1339
asked Nov 19 '18 at 13:42
user10204157
1339
1339
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
1
You could reduce the array instead of mapping, because you need the children elements as well.
const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
add a comment |
0
I hope below code will meet your expectation:
const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
1
You could reduce the array instead of mapping, because you need the children elements as well.
const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
add a comment |
1
You could reduce the array instead of mapping, because you need the children elements as well.
const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
add a comment |
1
1
1
You could reduce the array instead of mapping, because you need the children elements as well.
const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
You could reduce the array instead of mapping, because you need the children elements as well.
const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }const
orgs = { children: [{ name: 'Core Enginerinng Ops', orgId: 741, children: [{ name: 'Child Engineering Ops', orgId: 5656, children: [{ name: 'Child Engineering Last LEVEL AHAHHH', orgid: 6969 }] }, { name: 'Child 2 Engineering OPS', orgId: 852 }] }, { name: 'Data Services Engineering', orgId: 456, children: [{ name: 'Child Data Services', orgId: 978 }, { name: 'Child 2 Data Services', orgId: 354 }] }] },
flattenOrgs = (organizations) =>
organizations.reduce((r, { name, orgId, children }) =>
r.concat({ name, orgId }, flattenOrgs(children || )), );
console.log(flattenOrgs(orgs.children));.as-console-wrapper { max-height: 100% !important; top: 0; }answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
edited Nov 19 '18 at 13:59
answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
answered Nov 19 '18 at 13:53
Nina Scholz
176k1389155
176k1389155
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
add a comment |
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
Nina....I feel like you just showed me THE cheat code with .reduce. I've never heard of it before...Thank you
– user10204157
Nov 19 '18 at 14:03
add a comment |
0
I hope below code will meet your expectation:
const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
add a comment |
0
I hope below code will meet your expectation:
const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
add a comment |
0
0
0
I hope below code will meet your expectation:
const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
I hope below code will meet your expectation:
const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))const orgs = {
children: [{
name: 'Core Enginerinng Ops',
orgId: 741,
children: [{
name: 'Child Engineering Ops',
orgId: 5656,
children: [{
name: 'Child Engineering Last LEVEL AHAHHH',
orgid: 6969
}]
}, {
name: 'Child 2 Engineering OPS',
orgId: 852
}]
}, {
name: 'Data Services Engineering',
orgId: 456,
children: [{
name: 'Child Data Services',
orgId: 978
}, {
name: 'Child 2 Data Services',
orgId: 354
}]
}]
}
console.log(orgs.children.map(child => {
let newchild = {
name: child.name,
orgId: child.orgId
}
child.children && child.children.map(innerchild => {
newchild.children = {
name: innerchild.name,
orgId: innerchild.orgId
}
innerchild.children && innerchild.children.map(innermostChild => {
newchild.children.children = {
name: innermostChild.name,
orgId: innermostChild.orgId
}
})
})
return newchild
}))answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
answered Nov 19 '18 at 13:59
Arulmozhi Manikandan
1665
1665
add a comment |
add a comment |
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