leftIndent (text, direction = 'forward', tabSize = 2) => indentedText
const { leftIndent } = require('left-indent')
leftIndent (' some text', 'forward')
// => ' some text'
// + 1 space
leftIndent (' some text', 'forward')
// => + 2 spaces
// => ' some text'
leftIndent (' some text', 'backward')
// => 'some text'
// - 1 space
leftIndent (' some text', 'backward')
// => - 2 spaces
// => ' some text'
leftIndent ('some text', 'backward')
// => - 0 spaces
// => 'some text'