<commit_before>'use strict';
var _ = require('lodash'),
  rivets = require('rivets'),
  references = require('./references'),
  // hash of all behaviors
  behaviorsHash = {},
  // has of current bindings
  bindingsHash = {};

/**
 * add a behavior to the hash. called by users who want to create custom behaviors
 * @param {string}   name
 * @param {Function} fn   usually from a browserify require() call
 */
function addBehavior(name, fn) {
  // note: this WILL overwrite behaviors already in the hash,
  // allowing people to use custom versions of our core behaviors
  behaviorsHash[name] = fn;
}

/**
 * run behaviors for a field, in order
 * @param  {string} name     field name
 * @param  {{data: {}, schema: {}}} partials
 * @return {NodeElement}
 */
function runBehaviors(name, partials) {
  var schema = partials.schema,
    data = partials.data || '',
    path = partials.path || name,
    behaviors = getExpandedBehaviors(schema[references.fieldProperty]),
    done;

  console.log('\nrunning behaviors for "' + name + '"');
  done = _.reduce(behaviors, function (result, behavior) {
    var behaviorName = behavior[references.behaviorKey];

    // each behavior gets called and returns a modified element
    if (behaviorsHash[behaviorName]) {
      return behaviorsHash[behaviorName](result, behavior.args);
    } else {
      console.log('Behavior "' + behaviorName + '" not found. Make sure you add it!');
      return result;
    }
  }, { el: document.createDocumentFragment(), bindings: { data: data, name: name, path: path }, rivets: rivets });

  // use the rivets instance that was passed through the behaviors, since it may have formatters/etc added to it
  bindingsHash[name] = done.rivets.bind(done.el, done.bindings); // compile and bind templates, persist them to bindingsHash
  return done.el;
}

/**
 * expand a single behavior
 * @param  {*} behavior 
 * @return {{}}
 */
function expandBehavior(behavior) {
  var key, obj;

  if (_.isString(behavior) && behavior.length) {
    // _has: text
    return { fn: behavior, args: {} };
  } else if (_.isPlainObject(behavior) && _.isString(behavior[references.behaviorKey])) {
    /* _has:
     *   fn: text
     *   required: true
     */
    key = behavior[references.behaviorKey]; // hold onto this reference
    obj = _.cloneDeep(behavior);
    delete obj[references.behaviorKey]; // delete it from the object (since the object becomes the args)
    return { fn: key, args: obj };
  } else {
    throw new Error('Cannot parse behavior: ' + behavior);
  }
}

/**
 * get an array of expanded behaviors
 * @param  {*} behaviors<commit_msg>use omit rather than cloning obj<commit_after>'use strict';
var _ = require('lodash'),
  rivets = require('rivets'),
  references = require('./references'),
  // hash of all behaviors
  behaviorsHash = {},
  // has of current bindings
  bindingsHash = {};

/**
 * add a behavior to the hash. called by users who want to create custom behaviors
 * @param {string}   name
 * @param {Function} fn   usually from a browserify require() call
 */
function addBehavior(name, fn) {
  // note: this WILL overwrite behaviors already in the hash,
  // allowing people to use custom versions of our core behaviors
  behaviorsHash[name] = fn;
}

/**
 * run behaviors for a field, in order
 * @param  {string} name     field name
 * @param  {{data: {}, schema: {}}} partials
 * @return {NodeElement}
 */
function runBehaviors(name, partials) {
  var schema = partials.schema,
    data = partials.data || '',
    path = partials.path || name,
    behaviors = getExpandedBehaviors(schema[references.fieldProperty]),
    done;

  console.log('\nrunning behaviors for "' + name + '"');
  done = _.reduce(behaviors, function (result, behavior) {
    var behaviorName = behavior[references.behaviorKey];

    // each behavior gets called and returns a modified element
    if (behaviorsHash[behaviorName]) {
      return behaviorsHash[behaviorName](result, behavior.args);
    } else {
      console.log('Behavior "' + behaviorName + '" not found. Make sure you add it!');
      return result;
    }
  }, { el: document.createDocumentFragment(), bindings: { data: data, name: name, path: path }, rivets: rivets });

  // use the rivets instance that was passed through the behaviors, since it may have formatters/etc added to it
  bindingsHash[name] = done.rivets.bind(done.el, done.bindings); // compile and bind templates, persist them to bindingsHash
  return done.el;
}

/**
 * expand a single behavior
 * @param  {*} behavior 
 * @return {{}}
 */
function expandBehavior(behavior) {
  var key;

  if (_.isString(behavior) && behavior.length) {
    // _has: text
    return { fn: behavior, args: {} };
  } else if (_.isPlainObject(behavior) && _.isString(behavior[references.behaviorKey])) {
    /* _has:
     *   fn: text
     *   required: true
     */
    key = behavior[references.behaviorKey]; // hold onto this reference
    return { fn: key, args: _.omit(behavior, key) };
  } else {
    throw new Error('Cannot parse behavior: ' + behavior);
  }
}

/**
 * get an array of expanded behaviors
 * @param  {*} behaviors
{'fraction_non_alphanumeric': 0.1296875, 'fraction_numerical': 0.0, 'mean_word_length': 3.422279792746114, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '3999155', 'n_tokens_mistral': 1507, 'n_tokens_neox': 1474, 'n_words': 493}