streamer-client/lib/util.js

A node.js client for the Duke OIT Streamer API

var _ = require('underscore');

/**
 * Maps function to selected keys of object, returning a transformed
 * version of the object
 * @param {Object} object The object to apply transformation to
 * @param {String[]} keys Array of keys to apply transformation to
 * @param {function} func Function to apply to values of keys
 * @return {Object} Transformed object
 */
module.exports.keyMap = function(object, keys, func) {
  var transformedSubset  = _.object(_.map(_.pick(object, keys),
        function(val, key) { return [key, func(val)]; }));
  return _.extend(object, transformedSubset);
};


/**
 * Strips whitespace from string
 * @param {String} str String to strip
 */
module.exports.strip = function(str) {
  return str.replace(/(^\s+|\s+$)/g,'');
};