Mixing
Sort an array of obects in angular 6
I have problem in sorting an array of objects
The object looks like
All I want is to make the *ngFor loop sort it by the group_id property.
component.html
<ul *ngFor="let list of selectgid | groupid">
<li>{{list}}</li>
</ul>
pipe.ts
import { Pipe, PipeTransform } from '@angular/core';
@Pipe({
name: 'groupid'
})
export class GroupidPipe implements PipeTransform {
transform(array: Array<any>): Array<any> {
if (array !== undefined) {
array.sort((a: any, b: any) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
});
}
return array;
}
}
I tried to implement this code but it doesn't seem to working. What is wrong in my code or is there anything that needs to be done?
angular typescript sorting angular5 angular6
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
add a comment |
I have problem in sorting an array of objects
The object looks like
All I want is to make the *ngFor loop sort it by the group_id property.
component.html
<ul *ngFor="let list of selectgid | groupid">
<li>{{list}}</li>
</ul>
pipe.ts
import { Pipe, PipeTransform } from '@angular/core';
@Pipe({
name: 'groupid'
})
export class GroupidPipe implements PipeTransform {
transform(array: Array<any>): Array<any> {
if (array !== undefined) {
array.sort((a: any, b: any) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
});
}
return array;
}
}
I tried to implement this code but it doesn't seem to working. What is wrong in my code or is there anything that needs to be done?
angular typescript sorting angular5 angular6
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
Do you specifically want this sort to be a pipe? Isselectgidan array or an observable array?
– P. Moloney
Nov 22 '18 at 6:04
Take a search through stackoverflow; there are plenty questions around this: Async Pipe Sort, Regular Pipe Sort
– P. Moloney
Nov 22 '18 at 6:06
It is not recommended by the Angular team to do it like this though, see Angular Docs- Filtering Pipe
– P. Moloney
Nov 22 '18 at 6:07
add a comment |
I have problem in sorting an array of objects
The object looks like
All I want is to make the *ngFor loop sort it by the group_id property.
component.html
<ul *ngFor="let list of selectgid | groupid">
<li>{{list}}</li>
</ul>
pipe.ts
import { Pipe, PipeTransform } from '@angular/core';
@Pipe({
name: 'groupid'
})
export class GroupidPipe implements PipeTransform {
transform(array: Array<any>): Array<any> {
if (array !== undefined) {
array.sort((a: any, b: any) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
});
}
return array;
}
}
I tried to implement this code but it doesn't seem to working. What is wrong in my code or is there anything that needs to be done?
angular typescript sorting angular5 angular6
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
I have problem in sorting an array of objects
The object looks like
All I want is to make the *ngFor loop sort it by the group_id property.
component.html
<ul *ngFor="let list of selectgid | groupid">
<li>{{list}}</li>
</ul>
pipe.ts
import { Pipe, PipeTransform } from '@angular/core';
@Pipe({
name: 'groupid'
})
export class GroupidPipe implements PipeTransform {
transform(array: Array<any>): Array<any> {
if (array !== undefined) {
array.sort((a: any, b: any) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
});
}
return array;
}
}
I tried to implement this code but it doesn't seem to working. What is wrong in my code or is there anything that needs to be done?
angular typescript sorting angular5 angular6
angular typescript sorting angular5 angular6
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
edited Nov 22 '18 at 5:55
Jijo Robin
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
asked Nov 21 '18 at 9:03
Jijo RobinJijo Robin
665
665
Do you specifically want this sort to be a pipe? Isselectgidan array or an observable array?
– P. Moloney
Nov 22 '18 at 6:04
Take a search through stackoverflow; there are plenty questions around this: Async Pipe Sort, Regular Pipe Sort
– P. Moloney
Nov 22 '18 at 6:06
It is not recommended by the Angular team to do it like this though, see Angular Docs- Filtering Pipe
– P. Moloney
Nov 22 '18 at 6:07
add a comment |
Do you specifically want this sort to be a pipe? Isselectgidan array or an observable array?
– P. Moloney
Nov 22 '18 at 6:04
Take a search through stackoverflow; there are plenty questions around this: Async Pipe Sort, Regular Pipe Sort
– P. Moloney
Nov 22 '18 at 6:06
It is not recommended by the Angular team to do it like this though, see Angular Docs- Filtering Pipe
– P. Moloney
Nov 22 '18 at 6:07
Do you specifically want this sort to be a pipe? Is
selectgid an array or an observable array?– P. Moloney
Nov 22 '18 at 6:04
Do you specifically want this sort to be a pipe? Is
selectgid an array or an observable array?– P. Moloney
Nov 22 '18 at 6:04
Take a search through stackoverflow; there are plenty questions around this: Async Pipe Sort, Regular Pipe Sort
– P. Moloney
Nov 22 '18 at 6:06
Take a search through stackoverflow; there are plenty questions around this: Async Pipe Sort, Regular Pipe Sort
– P. Moloney
Nov 22 '18 at 6:06
It is not recommended by the Angular team to do it like this though, see Angular Docs- Filtering Pipe
– P. Moloney
Nov 22 '18 at 6:07
It is not recommended by the Angular team to do it like this though, see Angular Docs- Filtering Pipe
– P. Moloney
Nov 22 '18 at 6:07
add a comment |
1 Answer
1
active
oldest
votes
Assuming selectgid is your array of object containing the values shown in the image try to sort your data inside ngOnInit() method in your .ts file like this:
this.selectgid.sort((a, b) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
})
And on .html page you need to specify the key of Object like this:
<ul *ngFor="let list of selectgid">
<li>{{list.group_id}}</li>
<li>{{list.permission_list}}</li>
</ul>
answered Nov 21 '18 at 9:38
shail shahshail shah
12
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Assuming selectgid is your array of object containing the values shown in the image try to sort your data inside ngOnInit() method in your .ts file like this:
this.selectgid.sort((a, b) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
})
And on .html page you need to specify the key of Object like this:
<ul *ngFor="let list of selectgid">
<li>{{list.group_id}}</li>
<li>{{list.permission_list}}</li>
</ul>
answered Nov 21 '18 at 9:38
shail shahshail shah
12
add a comment |
Assuming selectgid is your array of object containing the values shown in the image try to sort your data inside ngOnInit() method in your .ts file like this:
this.selectgid.sort((a, b) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
})
And on .html page you need to specify the key of Object like this:
<ul *ngFor="let list of selectgid">
<li>{{list.group_id}}</li>
<li>{{list.permission_list}}</li>
</ul>
answered Nov 21 '18 at 9:38
shail shahshail shah
12
add a comment |
Assuming selectgid is your array of object containing the values shown in the image try to sort your data inside ngOnInit() method in your .ts file like this:
this.selectgid.sort((a, b) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
})
And on .html page you need to specify the key of Object like this:
<ul *ngFor="let list of selectgid">
<li>{{list.group_id}}</li>
<li>{{list.permission_list}}</li>
</ul>
answered Nov 21 '18 at 9:38
shail shahshail shah
12
Assuming selectgid is your array of object containing the values shown in the image try to sort your data inside ngOnInit() method in your .ts file like this:
this.selectgid.sort((a, b) => {
if (a.group_id < b.group_id) {
return -1;
} else if (a.group_id > b.group_id) {
return 1;
} else {
return 0;
}
})
And on .html page you need to specify the key of Object like this:
<ul *ngFor="let list of selectgid">
<li>{{list.group_id}}</li>
<li>{{list.permission_list}}</li>
</ul>
answered Nov 21 '18 at 9:38
shail shahshail shah
12
answered Nov 21 '18 at 9:38
shail shahshail shah
12
answered Nov 21 '18 at 9:38
shail shahshail shah
12
answered Nov 21 '18 at 9:38
shail shahshail shah
12
12
add a comment |
add a comment |
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Do you specifically want this sort to be a pipe? Is
selectgidan array or an observable array?– P. Moloney
Nov 22 '18 at 6:04
Take a search through stackoverflow; there are plenty questions around this: Async Pipe Sort, Regular Pipe Sort
– P. Moloney
Nov 22 '18 at 6:06
It is not recommended by the Angular team to do it like this though, see Angular Docs- Filtering Pipe
– P. Moloney
Nov 22 '18 at 6:07