npm i papaparse

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { FormsModule } from '@angular/forms';

import { AppComponent } from './app.component';
import { HelloComponent } from './hello.component';

@NgModule({
  imports:      [ BrowserModule, FormsModule ],
  declarations: [ AppComponent, HelloComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule { }

import { NgModule } from '@angular/core';

import { BrowserModule } from '@angular/platform-browser';

import { FormsModule } from '@angular/forms';

import { AppComponent } from './app.component';

import { HelloComponent } from './hello.component';

@NgModule({

imports: [ BrowserModule, FormsModule ],

declarations: [ AppComponent, HelloComponent ],

bootstrap: [ AppComponent ]

})

export class AppModule { }

app.component.ts

import { Component, OnInit } from '@angular/core';
import * as Papa from 'papaparse';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  name = 'Angular CSV File Parser Example';
  dataList: any[] = [];
  headers: string[] = []; // To store the dynamic column headers

  ngOnInit() {}

  onChange(files: File[]) {
    if (files[0]) {
      Papa.parse(files[0], {
        header: true, // Automatically detect headers
        skipEmptyLines: true,
        complete: (result) => {
          console.log(result);
          this.dataList = result.data;
          this.headers = result.meta.fields || []; // Get headers from metadata
        }
      });
    }
  }
}

import { Component, OnInit } from '@angular/core';

import * as Papa from 'papaparse';

@Component({

selector: 'my-app',

templateUrl: './app.component.html',

styleUrls: ['./app.component.css']

})

export class AppComponent implements OnInit {

name = 'Angular CSV File Parser Example';

dataList: any[] = [];

headers: string[] = []; // To store the dynamic column headers

ngOnInit() {}

onChange(files: File[]) {

if (files[0]) {

Papa.parse(files[0], {

header: true, // Automatically detect headers

skipEmptyLines: true,

complete: (result) => {

console.log(result);

this.dataList = result.data;

this.headers = result.meta.fields || []; // Get headers from metadata

}

});

}

app.component.html

<input
  type="file"
  name="files"
  class="form-control"
  #uploads
  (change)="onChange(uploads.files)"
  multiple
  value="process"
/>

<div>
  <table border="">
    <thead>
      <tr>
        <th *ngFor="let header of headers">{{ header }}</th>
      </tr>
    </thead>
    <tbody>
      <tr *ngFor="let record of dataList">
        <td *ngFor="let header of headers">{{ record[header] }}</td>
      </tr>
    </tbody>
  </table>
</div>

<input

type="file"

name="files"

class="form-control"

#uploads

(change)="onChange(uploads.files)"

multiple

value="process"

<div>

<thead>

<tr>

<th *ngFor="let header of headers">{{ header }}</th>

</tr>

</thead>

<tbody>

<td *ngFor="let header of headers">{{ record[header] }}</td>

</tr>

</tbody>

</table>

</div>

Build a Angular CSV Parser & Viewer Web App Using Papaparse Library in Browser Using TypeScript

FULL SOURCE CODE

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