nyks/object/jsonpath.js

nodejs exupery style

"use strict";
//TODO : use https://www.npmjs.com/package/json-path if needed

const trim = require('mout/string/trim');

module.exports = function(obj, fqnn_path) {
  var path   = trim(fqnn_path, ['/']).split('/');
  var cursor = obj;
  var step;

  for(var i = 0; i < path.length; i++) {
    step = path[i];
    if(cursor && cursor[step])
      cursor = cursor[step];
    else
      return null;
  }
  return cursor;
};