📦 terminal-char-table

📌 a simple javascript (node.js) library for drawing ascii tables in the terminal and console.

⚠️Version belows 2.0.0 is deprecated and not recommend to use.

Install

$ npm install terminal-char-table

Example

• Create a simple char table with default options.

const CharTable = require('terminal-char-table');
let table = new CharTable();
 
// fill the table row by rows
table.append(['1', 'xxx', 'xxx', ':)', '?']);
table.append(['2', 'xxx', 'xxx']);
table.append(['3', 'xxx', 'xxx', ':3']);
table.append(['10', 'xxx', 'xxx', '', 'owo']);
 
// this row will be the table header
table.insert(['#', 'column1', 'column2']);
 
// output table with 1 indentation
console.log(table.string(1));

API

CharTable([option])

Constructor function of CharTable class, An object with optional propertys can be passed in:

• @string column_align : default alignment of columns, value can be a left or right or center. default left.
• @number column_fill_length : an integer to specify how many spaces fill into each columns. default 2.
  • bigger value will make the table looks more wider, if alignment is left or right, set this value to 2 or higher is recommended.
• @boolean column_empty_drawn : specify whether empty columns are drawn. default true.

insert(columns[, align])

Add a new row at the top of the table.

• @string[] columns : an array of string to build columns of this row left side to right.
• @string align : columns alignment of this row, value can be a left or right or center.

append(columns[, align])

Add a new row at the bottom of the table.

• @string[] columns : an array of string to build columns of this row left side to right.
• @string align : columns alignment of this row, value can be a left or right or center.

from(rows[, align])

Set the table rows from given data.

• @string[] rows : an array include rows to append, each cell is columns of that row.
• @string align : columns alignment of each rows, value can be a left or right or center.

// table header
table.append(['#', 'data', 'alignment']);
 
// 1~3 rows (center alignment)
table.from([['1', '-----', 'center'], ['2', '-----', 'center'], ['3', '-----', 'center']], 'center');
 
// 4~6 rows (default alignment)
table.from([['4', '-----', 'default'], ['5', '-----', 'default'], ['6', '-----', 'default']]);

from2(row_objects)

Set the table rows from given data.

• @object[] row_objects : an array of object that include rows to append, each object indicated a single row:
  • @string[] columns : an array of string to build columns of that row left side to right.
  • @string? align : columns alignment of that row, value can be a left or right or center.

table.from2([
    {
        columns: ['#', 'data', 'alignment']
    },
    {
        columns: ['1', '-----', 'left'],
        align: 'left'
    },
    {
        columns: ['2', '-----', 'center'],
        align: 'center'
    },
    {
        columns: ['3', '-----', 'right'],
        align: 'right'
    }
]);

lines()

Get printable string lines. an array of string will be returned.

string([left_indentation, first_line_break])

Get printable string. wrapped from lines() method.

• @number left_indentation : an integer to specify how many spaces filling before each string lines. default 0.
• @boolean first_line_break : specify whether add a line break before the first line. default false.

clear()

Delete all rows in the table.

Note

• The complete methods and description can be found in module.js
• More example see test.js and run test using npm test command.