Introduction to text-table

The text-table library is a robust and flexible tool that allows developers to create and manage text-based tables in various formats. This API offers a wide array of functionalities, making it easier for developers to structure their data effectively. Below, we will explore various APIs offered by the text-table library, complete with code snippets to help you get started.

Installation

 $ npm install text-table 

Basic Usage

To create a simple text table, you can use the following code:

 const table = require('text-table'); const rows = [
  ['Name', 'Age', 'City'],
  ['Alice', '30', 'New York'],
  ['Bob', '25', 'Los Angeles'],
  ['Clara', '35', 'Chicago']
]; console.log(table(rows)); 

Custom Delimiter

You can also customize the delimiters in your table:

 const table = require('text-table'); const rows = [
  ['Name', 'Age', 'City'],
  ['Alice', '30', 'New York'],
  ['Bob', '25', 'Los Angeles'],
  ['Clara', '35', 'Chicago']
]; const options = { hsep: ' | ' }; console.log(table(rows, options)); 

Alignments

Text-table allows you to specify alignments for each column:

 const table = require('text-table'); const rows = [
  ['Name', 'Age', 'City'],
  ['Alice', '30', 'New York'],
  ['Bob', '25', 'Los Angeles'],
  ['Clara', '35', 'Chicago']
]; const options = { align: ['l', 'r', 'c'] };  console.log(table(rows, options)); 

Cell Padding

You can adjust the padding for cells:

 const table = require('text-table'); const rows = [
  ['Name', 'Age', 'City'],
  ['Alice', '30', 'New York'],
  ['Bob', '25', 'Los Angeles'],
  ['Clara', '35', 'Chicago']
]; const options = { padding: [1, 1] }; console.log(table(rows, options)); 

Example App

Here is an example application that integrates various text-table functionalities:

 const express = require('express'); const table = require('text-table'); const app = express(); const PORT = 3000;
app.get('/table', (req, res) => {
  const rows = [
    ['Name', 'Age', 'City'],
    ['Alice', '30', 'New York'],
    ['Bob', '25', 'Los Angeles'],
    ['Clara', '35', 'Chicago']
  ];
  const options = { hsep: ' | ', align: ['l', 'r', 'c'], padding: [1, 1] };
  res.send('
' + table(rows, options) + '
');

});

app.listen(PORT, () => {

  console.log(`Server running on port ${PORT}`);

}); 
This app creates a simple web server that returns a nicely formatted table when you visit /table endpoint.
Conclusion
The text-table library provides a powerful way to manage text-based tables with various customization options. Whether you need to format data for the console or for web applications, text-table offers the functionality and flexibility needed to get the job done effectively.
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