// Generated by LiveScript 1.5.0 (function(){

var VERSION, ref$, id, map, compact, any, groupBy, partition, chars, isItNaN, keys, Obj, camelize, deepIs, closestString, nameToRaw, dasherize, naturalJoin, generateHelp, generateHelpForOption, parsedTypeCheck, parseType, parseLevn, camelizeKeys, parseString, main, toString$ = {}.toString, slice$ = [].slice;
VERSION = '0.8.2';
ref$ = require('prelude-ls'), id = ref$.id, map = ref$.map, compact = ref$.compact, any = ref$.any, groupBy = ref$.groupBy, partition = ref$.partition, chars = ref$.chars, isItNaN = ref$.isItNaN, keys = ref$.keys, Obj = ref$.Obj, camelize = ref$.camelize;
deepIs = require('deep-is');
ref$ = require('./util'), closestString = ref$.closestString, nameToRaw = ref$.nameToRaw, dasherize = ref$.dasherize, naturalJoin = ref$.naturalJoin;
ref$ = require('./help'), generateHelp = ref$.generateHelp, generateHelpForOption = ref$.generateHelpForOption;
ref$ = require('type-check'), parsedTypeCheck = ref$.parsedTypeCheck, parseType = ref$.parseType;
parseLevn = require('levn').parsedTypeParse;
camelizeKeys = function(obj){
  var key, value, resultObj$ = {};
  for (key in obj) {
    value = obj[key];
    resultObj$[camelize(key)] = value;
  }
  return resultObj$;
};
parseString = function(string){
  var assignOpt, regex, replaceRegex, result, this$ = this;
  assignOpt = '--?[a-zA-Z][-a-z-A-Z0-9]*=';
  regex = RegExp('(?:' + assignOpt + ')?(?:\'(?:\\\\\'|[^\'])+\'|"(?:\\\\"|[^"])+")|[^\'"\\s]+', 'g');
  replaceRegex = RegExp('^(' + assignOpt + ')?[\'"]([\\s\\S]*)[\'"]$');
  result = map(function(it){
    return it.replace(replaceRegex, '$1$2');
  }, string.match(regex) || []);
  return result;
};
main = function(libOptions){
  var opts, defaults, required, traverse, getOption, parse;
  opts = {};
  defaults = {};
  required = [];
  if (toString$.call(libOptions.stdout).slice(8, -1) === 'Undefined') {
    libOptions.stdout = process.stdout;
  }
  libOptions.positionalAnywhere == null && (libOptions.positionalAnywhere = true);
  libOptions.typeAliases == null && (libOptions.typeAliases = {});
  libOptions.defaults == null && (libOptions.defaults = {});
  if (libOptions.concatRepeatedArrays != null) {
    libOptions.defaults.concatRepeatedArrays = libOptions.concatRepeatedArrays;
  }
  if (libOptions.mergeRepeatedObjects != null) {
    libOptions.defaults.mergeRepeatedObjects = libOptions.mergeRepeatedObjects;
  }
  traverse = function(options){
    var i$, len$, option, name, k, ref$, v, type, that, e, parsedPossibilities, parsedType, j$, len1$, possibility, rawDependsType, dependsOpts, dependsType, cra, alias, shortNames, longNames, this$ = this;
    if (toString$.call(options).slice(8, -1) !== 'Array') {
      throw new Error('No options defined.');
    }
    for (i$ = 0, len$ = options.length; i$ < len$; ++i$) {
      option = options[i$];
      if (option.heading == null) {
        name = option.option;
        if (opts[name] != null) {
          throw new Error("Option '" + name + "' already defined.");
        }
        for (k in ref$ = libOptions.defaults) {
          v = ref$[k];
          option[k] == null && (option[k] = v);
        }
        if (option.type === 'Boolean') {
          option.boolean == null && (option.boolean = true);
        }
        if (option.parsedType == null) {
          if (!option.type) {
            throw new Error("No type defined for option '" + name + "'.");
          }
          try {
            type = (that = libOptions.typeAliases[option.type]) != null
              ? that
              : option.type;
            option.parsedType = parseType(type);
          } catch (e$) {
            e = e$;
            throw new Error("Option '" + name + "': Error parsing type '" + option.type + "': " + e.message);
          }
        }
        if (option['default']) {
          try {
            defaults[name] = parseLevn(option.parsedType, option['default']);
          } catch (e$) {
            e = e$;
            throw new Error("Option '" + name + "': Error parsing default value '" + option['default'] + "' for type '" + option.type + "': " + e.message);
          }
        }
        if (option['enum'] && !option.parsedPossiblities) {
          parsedPossibilities = [];
          parsedType = option.parsedType;
          for (j$ = 0, len1$ = (ref$ = option['enum']).length; j$ < len1$; ++j$) {
            possibility = ref$[j$];
            try {
              parsedPossibilities.push(parseLevn(parsedType, possibility));
            } catch (e$) {
              e = e$;
              throw new Error("Option '" + name + "': Error parsing enum value '" + possibility + "' for type '" + option.type + "': " + e.message);
            }
          }
          option.parsedPossibilities = parsedPossibilities;
        }
        if (that = option.dependsOn) {
          if (that.length) {
            ref$ = [].concat(option.dependsOn), rawDependsType = ref$[0], dependsOpts = slice$.call(ref$, 1);
            dependsType = rawDependsType.toLowerCase();
            if (dependsOpts.length) {
              if (dependsType === 'and' || dependsType === 'or') {
                option.dependsOn = [dependsType].concat(slice$.call(dependsOpts));
              } else {
                throw new Error("Option '" + name + "': If you have more than one dependency, you must specify either 'and' or 'or'");
              }
            } else {
              if ((ref$ = dependsType.toLowerCase()) === 'and' || ref$ === 'or') {
                option.dependsOn = null;
              } else {
                option.dependsOn = ['and', rawDependsType];
              }
            }
          } else {
            option.dependsOn = null;
          }
        }
        if (option.required) {
          required.push(name);
        }
        opts[name] = option;
        if (option.concatRepeatedArrays != null) {
          cra = option.concatRepeatedArrays;
          if ('Boolean' === toString$.call(cra).slice(8, -1)) {
            option.concatRepeatedArrays = [cra, {}];
          } else if (cra.length === 1) {
            option.concatRepeatedArrays = [cra[0], {}];
          } else if (cra.length !== 2) {
            throw new Error("Invalid setting for concatRepeatedArrays");
          }
        }
        if (option.alias || option.aliases) {
          if (name === 'NUM') {
            throw new Error("-NUM option can't have aliases.");
          }
          if (option.alias) {
            option.aliases == null && (option.aliases = [].concat(option.alias));
          }
          for (j$ = 0, len1$ = (ref$ = option.aliases).length; j$ < len1$; ++j$) {
            alias = ref$[j$];
            if (opts[alias] != null) {
              throw new Error("Option '" + alias + "' already defined.");
            }
            opts[alias] = option;
          }
          ref$ = partition(fn$, option.aliases), shortNames = ref$[0], longNames = ref$[1];
          option.shortNames == null && (option.shortNames = shortNames);
          option.longNames == null && (option.longNames = longNames);
        }
        if ((!option.aliases || option.shortNames.length === 0) && option.type === 'Boolean' && option['default'] === 'true') {
          option.negateName = true;
        }
      }
    }
    function fn$(it){
      return it.length === 1;
    }
  };
  traverse(libOptions.options);
  getOption = function(name){
    var opt, possiblyMeant;
    opt = opts[name];
    if (opt == null) {
      possiblyMeant = closestString(keys(opts), name);
      throw new Error("Invalid option '" + nameToRaw(name) + "'" + (possiblyMeant ? " - perhaps you meant '" + nameToRaw(possiblyMeant) + "'?" : '.'));
    }
    return opt;
  };
  parse = function(input, arg$){
    var slice, obj, positional, restPositional, overrideRequired, prop, setValue, setDefaults, checkRequired, mutuallyExclusiveError, checkMutuallyExclusive, checkDependency, checkDependencies, checkProp, args, key, value, option, ref$, i$, len$, arg, that, result, short, argName, usingAssign, val, flags, len, j$, len1$, i, flag, opt, name, valPrime, negated, noedName;
    slice = (arg$ != null
      ? arg$
      : {}).slice;
    obj = {};
    positional = [];
    restPositional = false;
    overrideRequired = false;
    prop = null;
    setValue = function(name, value){
      var opt, val, cra, e, currentType;
      opt = getOption(name);
      if (opt.boolean) {
        val = value;
      } else {
        try {
          cra = opt.concatRepeatedArrays;
          if (cra != null && cra[0] && cra[1].oneValuePerFlag && opt.parsedType.length === 1 && opt.parsedType[0].structure === 'array') {
            val = [parseLevn(opt.parsedType[0].of, value)];
          } else {
            val = parseLevn(opt.parsedType, value);
          }
        } catch (e$) {
          e = e$;
          throw new Error("Invalid value for option '" + name + "' - expected type " + opt.type + ", received value: " + value + ".");
        }
        if (opt['enum'] && !any(function(it){
          return deepIs(it, val);
        }, opt.parsedPossibilities)) {
          throw new Error("Option " + name + ": '" + val + "' not one of " + naturalJoin(opt['enum']) + ".");
        }
      }
      currentType = toString$.call(obj[name]).slice(8, -1);
      if (obj[name] != null) {
        if (opt.concatRepeatedArrays != null && opt.concatRepeatedArrays[0] && currentType === 'Array') {
          obj[name] = obj[name].concat(val);
        } else if (opt.mergeRepeatedObjects && currentType === 'Object') {
          import$(obj[name], val);
        } else {
          obj[name] = val;
        }
      } else {
        obj[name] = val;
      }
      if (opt.restPositional) {
        restPositional = true;
      }
      if (opt.overrideRequired) {
        overrideRequired = true;
      }
    };
    setDefaults = function(){
      var name, ref$, value;
      for (name in ref$ = defaults) {
        value = ref$[name];
        if (obj[name] == null) {
          obj[name] = value;
        }
      }
    };
    checkRequired = function(){
      var i$, ref$, len$, name;
      if (overrideRequired) {
        return;
      }
      for (i$ = 0, len$ = (ref$ = required).length; i$ < len$; ++i$) {
        name = ref$[i$];
        if (!obj[name]) {
          throw new Error("Option " + nameToRaw(name) + " is required.");
        }
      }
    };
    mutuallyExclusiveError = function(first, second){
      throw new Error("The options " + nameToRaw(first) + " and " + nameToRaw(second) + " are mutually exclusive - you cannot use them at the same time.");
    };
    checkMutuallyExclusive = function(){
      var rules, i$, len$, rule, present, j$, len1$, element, k$, len2$, opt;
      rules = libOptions.mutuallyExclusive;
      if (!rules) {
        return;
      }
      for (i$ = 0, len$ = rules.length; i$ < len$; ++i$) {
        rule = rules[i$];
        present = null;
        for (j$ = 0, len1$ = rule.length; j$ < len1$; ++j$) {
          element = rule[j$];
          if (toString$.call(element).slice(8, -1) === 'Array') {
            for (k$ = 0, len2$ = element.length; k$ < len2$; ++k$) {
              opt = element[k$];
              if (opt in obj) {
                if (present != null) {
                  mutuallyExclusiveError(present, opt);
                } else {
                  present = opt;
                  break;
                }
              }
            }
          } else {
            if (element in obj) {
              if (present != null) {
                mutuallyExclusiveError(present, element);
              } else {
                present = element;
              }
            }
          }
        }
      }
    };
    checkDependency = function(option){
      var dependsOn, type, targetOptionNames, i$, len$, targetOptionName, targetOption;
      dependsOn = option.dependsOn;
      if (!dependsOn || option.dependenciesMet) {
        return true;
      }
      type = dependsOn[0], targetOptionNames = slice$.call(dependsOn, 1);
      for (i$ = 0, len$ = targetOptionNames.length; i$ < len$; ++i$) {
        targetOptionName = targetOptionNames[i$];
        targetOption = obj[targetOptionName];
        if (targetOption && checkDependency(targetOption)) {
          if (type === 'or') {
            return true;
          }
        } else if (type === 'and') {
          throw new Error("The option '" + option.option + "' did not have its dependencies met.");
        }
      }
      if (type === 'and') {
        return true;
      } else {
        throw new Error("The option '" + option.option + "' did not meet any of its dependencies.");
      }
    };
    checkDependencies = function(){
      var name;
      for (name in obj) {
        checkDependency(opts[name]);
      }
    };
    checkProp = function(){
      if (prop) {
        throw new Error("Value for '" + prop + "' of type '" + getOption(prop).type + "' required.");
      }
    };
    switch (toString$.call(input).slice(8, -1)) {
    case 'String':
      args = parseString(input.slice(slice != null ? slice : 0));
      break;
    case 'Array':
      args = input.slice(slice != null ? slice : 2);
      break;
    case 'Object':
      obj = {};
      for (key in input) {
        value = input[key];
        if (key !== '_') {
          option = getOption(dasherize(key));
          if (parsedTypeCheck(option.parsedType, value)) {
            obj[option.option] = value;
          } else {
            throw new Error("Option '" + option.option + "': Invalid type for '" + value + "' - expected type '" + option.type + "'.");
          }
        }
      }
      checkMutuallyExclusive();
      checkDependencies();
      setDefaults();
      checkRequired();
      return ref$ = camelizeKeys(obj), ref$._ = input._ || [], ref$;
    default:
      throw new Error("Invalid argument to 'parse': " + input + ".");
    }
    for (i$ = 0, len$ = args.length; i$ < len$; ++i$) {
      arg = args[i$];
      if (arg === '--') {
        restPositional = true;
      } else if (restPositional) {
        positional.push(arg);
      } else {
        if (that = arg.match(/^(--?)([a-zA-Z][-a-zA-Z0-9]*)(=)?(.*)?$/)) {
          result = that;
          checkProp();
          short = result[1].length === 1;
          argName = result[2];
          usingAssign = result[3] != null;
          val = result[4];
          if (usingAssign && val == null) {
            throw new Error("No value for '" + argName + "' specified.");
          }
          if (short) {
            flags = chars(argName);
            len = flags.length;
            for (j$ = 0, len1$ = flags.length; j$ < len1$; ++j$) {
              i = j$;
              flag = flags[j$];
              opt = getOption(flag);
              name = opt.option;
              if (restPositional) {
                positional.push(flag);
              } else if (i === len - 1) {
                if (usingAssign) {
                  valPrime = opt.boolean ? parseLevn([{
                    type: 'Boolean'
                  }], val) : val;
                  setValue(name, valPrime);
                } else if (opt.boolean) {
                  setValue(name, true);
                } else {
                  prop = name;
                }
              } else if (opt.boolean) {
                setValue(name, true);
              } else {
                throw new Error("Can't set argument '" + flag + "' when not last flag in a group of short flags.");
              }
            }
          } else {
            negated = false;
            if (that = argName.match(/^no-(.+)$/)) {
              negated = true;
              noedName = that[1];
              opt = getOption(noedName);
            } else {
              opt = getOption(argName);
            }
            name = opt.option;
            if (opt.boolean) {
              valPrime = usingAssign ? parseLevn([{
                type: 'Boolean'
              }], val) : true;
              if (negated) {
                setValue(name, !valPrime);
              } else {
                setValue(name, valPrime);
              }
            } else {
              if (negated) {
                throw new Error("Only use 'no-' prefix for Boolean options, not with '" + noedName + "'.");
              }
              if (usingAssign) {
                setValue(name, val);
              } else {
                prop = name;
              }
            }
          }
        } else if (that = arg.match(/^-([0-9]+(?:\.[0-9]+)?)$/)) {
          opt = opts.NUM;
          if (!opt) {
            throw new Error('No -NUM option defined.');
          }
          setValue(opt.option, that[1]);
        } else {
          if (prop) {
            setValue(prop, arg);
            prop = null;
          } else {
            positional.push(arg);
            if (!libOptions.positionalAnywhere) {
              restPositional = true;
            }
          }
        }
      }
    }
    checkProp();
    checkMutuallyExclusive();
    checkDependencies();
    setDefaults();
    checkRequired();
    return ref$ = camelizeKeys(obj), ref$._ = positional, ref$;
  };
  return {
    parse: parse,
    parseArgv: function(it){
      return parse(it, {
        slice: 2
      });
    },
    generateHelp: generateHelp(libOptions),
    generateHelpForOption: generateHelpForOption(getOption, libOptions)
  };
};
main.VERSION = VERSION;
module.exports = main;
function import$(obj, src){
  var own = {}.hasOwnProperty;
  for (var key in src) if (own.call(src, key)) obj[key] = src[key];
  return obj;
}

}).call(this);