mstring/mstring.js

Multi-line strings module for node.js

/* Copyright (c) 2012 Richard Rodger */

var errmsg = "mstring: required format is function (){/*** ... ***/}, this is invalid: ";

module.exports = function(f){
  if( !_.isFunction(f) ) {
    throw new Error(errmsg+f)
  }

  var fs = f.toString()
  var m  = fs.match(/^function\s*\(\)\s*\{(\s|.)*?\/\*\*\*([\s\S]*)(\n\s*)\*\*\*\/(\s|.)*?\}$/);

  if( m && _.isString(m[2]) ) {
    var out = m[2]
    if( 1 < m[3].length ) {
      out = out.replace(new RegExp(m[3],'g'),'\n')
    }
    out = out.replace(/^\n/,'')
    return out;
  }
  else throw new Error(errmsg+f)
}

var _ = {};
_.isFunction = function(obj) {
  return !!(obj && obj.constructor && obj.call && obj.apply)
}
_.isString = function(obj) {
  return !!(obj === '' || (obj && obj.charCodeAt && obj.substr))
}