transit-im/middleware/formatter_chain/formatterChain.js

express-like framework for AIM bots creation (ICQ as well)

// Generated by CoffeeScript 1.6.3
(function() {
  var isRegular, isSimplified, isWithoutOptions, normalize,
    __slice = [].slice;

  isRegular = function(f) {
    return f.length >= 3;
  };

  isWithoutOptions = function(f) {
    return f.length === 2;
  };

  isSimplified = function(f) {
    return f.length <= 1;
  };

  normalize = function(r) {
    if (isWithoutOptions(r)) {
      return function(data, options, next) {
        return r(data, next);
      };
    } else if (isSimplified(r)) {
      return function(data, options, next) {
        return next(r(data));
      };
    } else {
      return r;
    }
  };

  module.exports = function() {
    var formatters;
    formatters = 1 <= arguments.length ? __slice.call(arguments, 0) : [];
    return function(data, options, cb) {
      var formattersToProcess, sendFurther;
      if (data._isPrivate) {
        return cb(new Error("Invalid usage of formatters chain - register it with 'formatOutput' instead of 'use'"));
      }
      formattersToProcess = formatters.slice().map(normalize);
      formattersToProcess.push(function(data) {
        return cb(null, data);
      });
      sendFurther = function(data, idx) {
        var format;
        format = formattersToProcess[idx];
        return format(data, options, (function(data) {
          return sendFurther(data, idx + 1);
        }));
      };
      return sendFurther(data, 0);
    };
  };

  module.exports.wrapHtml = require('../format_wrap_html/formatWrapHtml');

  module.exports.json = require('../format_json/formatJson');

  module.exports.splitByPortions = require('../format_split_by_portions/formatSplitByPortions');

}).call(this);