HackMyResume/dist/utils/string-transformer.js

(function() {
  /**
  Object string transformation.
  @module utils/string-transformer
  @license MIT. See LICENSE.md for details.
  */
  var _, moment;

  _ = require('underscore');

  moment = require('moment');

  /**
  Create a copy of this object in which all string fields have been run through
  a transformation function (such as a Markdown filter or XML encoder).
  */
  module.exports = function(ret, filt, transformer) {
    var that, transformStringsInObject;
    that = this;
    // TODO: refactor recursion
    transformStringsInObject = function(obj, filters) {
      if (!obj) {
        return;
      }
      if (moment.isMoment(obj)) {
        return;
      }
      if (_.isArray(obj)) {
        return obj.forEach(function(elem, idx, ar) {
          if (typeof elem === 'string' || elem instanceof String) {
            return ar[idx] = transformer(null, elem);
          } else if (_.isObject(elem)) {
            return transformStringsInObject(elem, filters);
          }
        });
      } else if (_.isObject(obj)) {
        return Object.keys(obj).forEach(function(k) {
          var sub;
          if (filters.length && _.contains(filters, k)) {
            return;
          }
          sub = obj[k];
          if (typeof sub === 'string' || sub instanceof String) {
            return obj[k] = transformer(k, sub);
          } else if (_.isObject(sub)) {
            return transformStringsInObject(sub, filters);
          }
        });
      }
    };
    Object.keys(ret).forEach(function(member) {
      if (!filt || !filt.length || !_.contains(filt, member)) {
        return transformStringsInObject(ret[member], filt || []);
      }
    });
    return ret;
  };

}).call(this);

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