Get the
String#substrcorrectly handling ansi escape codes.
$ npm install --save substr-ansi
var substrAnsi = require('substr-ansi');
console.log(substrAnsi('\u001b[47mHi\u001b[49m', 0, 2));
//=> Hi
Note that the ansi code are preserved: \u001b[47mHi\u001b[49m
'\u001b[47mHi\u001b[49m'.substr(0, 2) results in a broken string:
//=> \u001b[
substrAnsi('\u001b[0m\u001b[31m\u001b[47mHello', 0, 5);
//=> Hello (visible text)
Complete string: `\u001b[0m\u001b[31m\u001b[47mHello`Required
Type: string
The original string that will be used to extract a section from it.
Type: integer
Default: 0
Location at which to begin extracting characters.
Type: integer
Default: str.length
Optional. The number of characters to extract.
MIT © Danilo Sampaio