Google Sheet New Line - TypeScript

When working with Google Sheets in TypeScript, it can sometimes be tricky to add a new line to the sheet. In this guide, we'll show you how to add a new line to a Google Sheet in TypeScript.

Prerequisites

Before we get started, you'll need the following:

• A Google account
• Access to Google Sheets
• Basic knowledge of TypeScript

Adding a New Line to a Google Sheet

To add a new line to a Google Sheet in TypeScript, we'll need to use the Google Sheets API. Here's an example of how to do this:

import { google } from 'googleapis';

// Authenticate with Google Sheets
const auth = new google.auth.GoogleAuth({
  keyFile: 'path/to/keyfile.json',
  scopes: ['https://www.googleapis.com/auth/spreadsheets'],
});

// Create a Sheets API client
const sheets = google.sheets({
  version: 'v4',
  auth,
});

// Define the spreadsheet ID and sheet name
const spreadsheetId = 'your_spreadsheet_id';
const sheetName = 'your_sheet_name';

// Define the value to insert in the new row
const valuesToInsert = ['Hello', 'World'];

// Define the range for the new row
const range = `${sheetName}!A1`;

// Add the new row to the sheet
await sheets.spreadsheets.values.append({
  spreadsheetId,
  range,
  valueInputOption: 'USER_ENTERED',
  resource: {
    values: [valuesToInsert],
  },
});

Code Explanation

Let's walk through the code to better understand what's happening.

Authentication

First, we authenticate with Google Sheets using a keyfile and the appropriate scopes:

const auth = new google.auth.GoogleAuth({
  keyFile: 'path/to/keyfile.json',
  scopes: ['https://www.googleapis.com/auth/spreadsheets'],
});

Create a Sheets API Client

Next, we create a Sheets API client:

const sheets = google.sheets({
  version: 'v4',
  auth,
});

Define the Spreadsheet ID and Sheet Name

We need to define the ID of the spreadsheet we want to add a new line to, as well as the name of the sheet:

const spreadsheetId = 'your_spreadsheet_id';
const sheetName = 'your_sheet_name';

Define the Value to Insert in the New Row

We need to define the value we want to insert into the new row:

const valuesToInsert = ['Hello', 'World'];

Define the Range for the New Row

Now we need to define the range where the new row will be inserted. In this example, we're inserting the new row at the top of the sheet (A1).

const range = `${sheetName}!A1`;

Add the New Row

Finally, we can add the new row to the sheet:

await sheets.spreadsheets.values.append({
  spreadsheetId,
  range,
  valueInputOption: 'USER_ENTERED',
  resource: {
    values: [valuesToInsert],
  },
});

We use the append method of the spreadsheets.values resource to add the new row. We pass in the spreadsheet ID, range, value input option, and the values we want to insert.

Conclusion

Adding a new line to a Google Sheet in TypeScript is relatively simple once you understand how to use the Google Sheets API. By using the spreadsheets.values.append method, you can easily insert a new row into a sheet.