Angular 6 and Ag-grid - ag-grid

Question

I'm doing a test with Angular 6 and Ag-Grid. I have done an example and it paints it, I mean the css and so on.
But by doing the example below and enter the real data from my Back-end does not paint the table and comes out all the time "loading"
// package.json
"dependencies": {
"ag-grid-angular": "^19.0.0",
"ag-grid-community": "^19.0.0",
// HTML
<div class="container-fluid">
Competencias
</div>
<div class="jumbotron text-center">
<ag-grid-angular #agGrid style="width: 100%; height: 200px;" class="ag-theme-balham" [gridOptions]="gridOptions">
</ag-grid-angular>
</div>
// COMPONENT
import { Component, OnInit } from '#angular/core';
import { environment } from '#env/environment';
import { CompetenceService } from '#app/services/competence.service';
import { GridOptions } from 'ag-grid-community';
#Component({
selector: 'app-competence',
templateUrl: './competence.component.html',
styleUrls: ['./competence.component.scss'],
providers: [CompetenceService],
})
export class CompetenceComponent implements OnInit {
version: string = environment.version;
title = 'app';
rowData: any;
columnDefs: any;
competences: any[];
gridOptions: GridOptions;
constructor(private competenceService: CompetenceService) { }
ngOnInit() {
this.gridOptions = <GridOptions>{};
this.gridOptions.columnDefs = new Array;
this.gridOptions.columnDefs = [
{
headerName: 'ID',
field: 'id',
width: 100
},
{
headerName: 'Nombre',
field: 'name',
width: 200
}];
this.competenceService.competences().subscribe(response => {
this.competences = response;
this.gridOptions.rowData = new Array;
this.competences.forEach((competence) => {
this.gridOptions.rowData.push({
id: competence.id, name: competence.desc
});
});
console.log(this.gridOptions);
});
}
}

Answer 1

First, you need to understand the flow:
rowData - is immutable - you can't manipulate with is as with array, you can just re-create it. More info
you need to avoid using gridOptions for any action - it's only for init-configuration, for anything else - you need to use gridApi - which could be accessed on onGridReady function
(gridReady)="onGridReady($event)"
...
onGridReady(params) {
this.gridApi = params.api;
this.gridColumnApi = params.columnApi;
let youData = [];
this.competences.forEach((competence) => {
youData.push({id: competence.id, name: competence.desc});
});
this.gridApi.setData(youData);
}

Answer 2

Try as below:
#Component({
selector: "my-app",
template: `<div style="height: 100%; box-sizing: border-box;">
<ag-grid-angular
#agGrid
style="width: 100%; height: 100%;"
id="myGrid"
[rowData]="rowData"
class="ag-theme-balham"
[columnDefs]="columnDefs"
[defaultColDef]="defaultColDef"
[defaultColGroupDef]="defaultColGroupDef"
[columnTypes]="columnTypes"
[enableFilter]="true"
[floatingFilter]="true"
(gridReady)="onGridReady($event)"
></ag-grid-angular>
</div>`
})
export class AppComponent {
private gridApi;
private gridColumnApi;
private rowData: any[];
private columnDefs;
private defaultColDef;
private defaultColGroupDef;
private columnTypes;
constructor(private http: HttpClient) {
this.columnDefs = [
{
headerName: 'ID',
field: 'id',
width: 100
},
{
headerName: 'Nombre',
field: 'name',
width: 200
}
];
}
onGridReady(params) {
this.gridApi = params.api;
this.gridColumnApi = params.columnApi;
this.http
.get(
"https://raw.githubusercontent.com/ag-grid/ag-grid/master/packages/ag-grid-docs/src/olympicWinnersSmall.json"
)
.subscribe(data => {
this.rowData = data;
});
}