js-function-string
extract a function body with the proper indentation
install
npm install js-function-string
use
var STR = require('js-function-string');
console.log(STR(function() {
calling(a(func(a, b, c)));
var a = 1;
var b = 2;
var c = 3;
}))
/* outputs:
calling(a(func(a, b, c)));
var a = 1;
var b = 2;
var c = 3;
*/