Below is a function that generates an ASCII table:
function ascii_table(array, header) {
if (!array.length) {
return '';
}
var lengths = array[0].map(function(_, i) {
var col = array.map(function(row) {
if (row[i] != undefined) {
return row[i].length;
} else {
return 0;
}
});
return Math.max.apply(Math, col);
});
array = array.map(function(row) {
return '| ' + row.map(function(item, i) {
var size = item.length;
if (size < lengths[i]) {
item += new Array(lengths[i]-size+1).join(' ');
}
return item;
}).join(' | ') + ' |';
});
var sep = '+' + lengths.map(function(length) {
return new Array(length+3).join('-');
}).join('+') + '+';
if (header) {
return sep + '\n' + array[0] + '\n' + sep + '\n' +
array.slice(1).join('\n') + '\n' + sep;
} else {
return sep + '\n' + array.join('\n') + '\n' + sep;
}
}
However, when the cell contains a new line, the output looks like this:
+---------------------+--------+-------+-----+-------------------------------+------------+---------------------+
| date | nick | email | www | comment | ip | avatar |
+---------------------+--------+-------+-----+-------------------------------+------------+---------------------+
| 2016-01-27 21:11:10 | stefan | kanev | | dsfdsfsd
sdfsdf
sdfsdf
sdfdsf | 1308240552 | avatars/default.png |
+---------------------+--------+-------+-----+-------------------------------+------------+---------------------+
To fix this issue and have the desired result like below, you need to make some changes in your function:
+---------------------+--------+-------+-----+----------+------------+---------------------+
| date | nick | email | www | comment | ip | avatar |
+---------------------+--------+-------+-----+----------+------------+---------------------+
| 2016-01-27 21:11:10 | stefan | kanev | | dsfdsfsd | 1308240552 | avatars/default.png |
| | | | | sdfsdf | | |
| | | | | sdfsdf | | |
| | | | | sdfdsf | | |
+---------------------+--------+-------+-----+----------+------------+---------------------+