andynu

#!/usr/bin/env ruby
# Given a file and method_name
# Show all the different implementations across the git history (first commit per implementation).
#
#   show_method_history <file> <method_name> --html
#
#   e.g. show_method_history test/test_helper.rb sign_in --html
#
# WARNING: the --html output just dumps html files into your current folder.
#

gaearon

function mapValues(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    result[key] = fn(obj[key], key);
    return result;
  }, {});
}

function pick(obj, fn) {
  return Object.keys(obj).reduce((result, key) => {
    if (fn(obj[key])) {