import { parse, icon, config, text } from '@fortawesome/fontawesome-svg-core';

var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};

function createCommonjsModule(fn, module) {
	return module = { exports: {} }, fn(module, module.exports), module.exports;
}

var humps = createCommonjsModule(function (module) {
(function(global) {

  var _processKeys = function(convert, obj, options) {
    if(!_isObject(obj) || _isDate(obj) || _isRegExp(obj) || _isBoolean(obj) || _isFunction(obj)) {
      return obj;
    }

    var output,
        i = 0,
        l = 0;

    if(_isArray(obj)) {
      output = [];
      for(l=obj.length; i<l; i++) {
        output.push(_processKeys(convert, obj[i], options));
      }
    }
    else {
      output = {};
      for(var key in obj) {
        if(Object.prototype.hasOwnProperty.call(obj, key)) {
          output[convert(key, options)] = _processKeys(convert, obj[key], options);
        }
      }
    }
    return output;
  };

  // String conversion methods

  var separateWords = function(string, options) {
    options = options || {};
    var separator = options.separator || '_';
    var split = options.split || /(?=[A-Z])/;

    return string.split(split).join(separator);
  };

  var camelize = function(string) {
    if (_isNumerical(string)) {
      return string;
    }
    string = string.replace(/[\-_\s]+(.)?/g, function(match, chr) {
      return chr ? chr.toUpperCase() : '';
    });
    // Ensure 1st char is always lowercase
    return string.substr(0, 1).toLowerCase() + string.substr(1);
  };

  var pascalize = function(string) {
    var camelized = camelize(string);
    // Ensure 1st char is always uppercase
    return camelized.substr(0, 1).toUpperCase() + camelized.substr(1);
  };

  var decamelize = function(string, options) {
    return separateWords(string, options).toLowerCase();
  };

  // Utilities
  // Taken from Underscore.js

  var toString = Object.prototype.toString;

  var _isFunction = function(obj) {
    return typeof(obj) === 'function';
  };
  var _isObject = function(obj) {
    return obj === Object(obj);
  };
  var _isArray = function(obj) {
    return toString.call(obj) == '[object Array]';
  };
  var _isDate = function(obj) {
    return toString.call(obj) == '[object Date]';
  };
  var _isRegExp = function(obj) {
    return toString.call(obj) == '[object RegExp]';
  };
  var _isBoolean = function(obj) {
    return toString.call(obj) == '[object Boolean]';
  };

  // Performant way to determine if obj coerces to a number
  var _isNumerical = function(obj) {
    obj = obj - 0;
    return obj === obj;
  };

  // Sets up function which handles processing keys
  // allowing the convert function to be modified by a callback
  var _processor = function(convert, options) {
    var callback = options && 'process' in options ? options.process : options;

    if(typeof(callback) !== 'function') {
      return convert;
    }

    return function(string, options) {
      return callback(string, convert, options);
    }
  };

  var humps = {
    camelize: camelize,
    decamelize: decamelize,
    pascalize: pascalize,
    depascalize: decamelize,
    camelizeKeys: function(object, options) {
      return _processKeys(_processor(camelize, options), object);
    },
    decamelizeKeys: function(object, options) {
      return _processKeys(_processor(decamelize, options), object, options);
    },
    pascalizeKeys: function(object, options) {
      return _processKeys(_processor(pascalize, options), object);
    },
    depascalizeKeys: function () {
      return this.decamelizeKeys.apply(this, arguments);
    }
  };

  if (typeof undefined === 'function' && undefined.amd) {
    undefined(humps);
  } else if ('object' !== 'undefined' && module.exports) {
    module.exports = humps;
  } else {
    global.humps = humps;
  }

})(commonjsGlobal);
});

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
  return typeof obj;
} : function (obj) {
  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
};

var defineProperty = function (obj, key, value) {
  if (key in obj) {
    Object.defineProperty(obj, key, {
      value: value,
      enumerable: true,
      configurable: true,
      writable: true
    });
  } else {
    obj[key] = value;
  }

  return obj;
};

var _extends = Object.assign || function (target) {
  for (var i = 1; i < arguments.length; i++) {
    var source = arguments[i];

    for (var key in source) {
      if (Object.prototype.hasOwnProperty.call(source, key)) {
        target[key] = source[key];
      }
    }
  }

  return target;
};

var objectWithoutProperties = function (obj, keys) {
  var target = {};

  for (var i in obj) {
    if (keys.indexOf(i) >= 0) continue;
    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
    target[i] = obj[i];
  }

  return target;
};

var toConsumableArray = function (arr) {
  if (Array.isArray(arr)) {
    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];

    return arr2;
  } else {
    return Array.from(arr);
  }
};

function styleToObject(style) {
  return style.split(';').map(function (s) {
    return s.trim();
  }).filter(function (s) {
    return s;
  }).reduce(function (acc, pair) {
    var i = pair.indexOf(':');
    var prop = humps.camelize(pair.slice(0, i));
    var value = pair.slice(i + 1).trim();

    acc[prop] = value;

    return acc;
  }, {});
}

function classToObject(cls) {
  return cls.split(/\s+/).reduce(function (acc, c) {
    acc[c] = true;

    return acc;
  }, {});
}

function combineClassObjects() {
  for (var _len = arguments.length, objs = Array(_len), _key = 0; _key < _len; _key++) {
    objs[_key] = arguments[_key];
  }

  return objs.reduce(function (acc, obj) {
    if (Array.isArray(obj)) {
      acc = acc.concat(obj);
    } else {
      acc.push(obj);
    }

    return acc;
  }, []);
}

function convert(h, element) {
  var props = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var data = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {};

  var children = (element.children || []).map(convert.bind(null, h));

  var mixins = Object.keys(element.attributes || {}).reduce(function (acc, key) {
    var val = element.attributes[key];

    switch (key) {
      case 'class':
        acc['class'] = classToObject(val);
        break;
      case 'style':
        acc['style'] = styleToObject(val);
        break;
      default:
        acc.attrs[key] = val;
    }

    return acc;
  }, { 'class': {}, style: {}, attrs: {} });

  var _data$class = data.class,
      dClass = _data$class === undefined ? {} : _data$class,
      _data$style = data.style,
      dStyle = _data$style === undefined ? {} : _data$style,
      _data$attrs = data.attrs,
      dAttrs = _data$attrs === undefined ? {} : _data$attrs,
      remainingData = objectWithoutProperties(data, ['class', 'style', 'attrs']);


  if (typeof element === 'string') {
    return element;
  } else {
    return h(element.tag, _extends({
      class: combineClassObjects(mixins.class, dClass),
      style: _extends({}, mixins.style, dStyle),
      attrs: _extends({}, mixins.attrs, dAttrs)
    }, remainingData, {
      props: props
    }), children);
  }
}

var PRODUCTION = false;

try {
  PRODUCTION = process.env.NODE_ENV === 'production';
} catch (e) {}

function log () {
  if (!PRODUCTION && console && typeof console.error === 'function') {
    var _console;

    (_console = console).error.apply(_console, arguments);
  }
}

function objectWithKey(key, value) {
  return Array.isArray(value) && value.length > 0 || !Array.isArray(value) && value ? defineProperty({}, key, value) : {};
}

function classList(props) {
  var _classes;

  var classes = (_classes = {
    'fa-spin': props.spin,
    'fa-pulse': props.pulse,
    'fa-fw': props.fixedWidth,
    'fa-border': props.border,
    'fa-li': props.listItem,
    'fa-inverse': props.inverse,
    'fa-flip-horizontal': props.flip === 'horizontal' || props.flip === 'both',
    'fa-flip-vertical': props.flip === 'vertical' || props.flip === 'both'
  }, defineProperty(_classes, 'fa-' + props.size, props.size !== null), defineProperty(_classes, 'fa-rotate-' + props.rotation, props.rotation !== null), defineProperty(_classes, 'fa-pull-' + props.pull, props.pull !== null), defineProperty(_classes, 'fa-swap-opacity', props.swapOpacity), _classes);

  return Object.keys(classes).map(function (key) {
    return classes[key] ? key : null;
  }).filter(function (key) {
    return key;
  });
}

function addStaticClass(to, what) {
  var val = (to || '').length === 0 ? [] : [to];

  return val.concat(what).join(' ');
}

function normalizeIconArgs(icon$$1) {
  if (icon$$1 === null) {
    return null;
  }

  if ((typeof icon$$1 === 'undefined' ? 'undefined' : _typeof(icon$$1)) === 'object' && icon$$1.prefix && icon$$1.iconName) {
    return icon$$1;
  }

  if (Array.isArray(icon$$1) && icon$$1.length === 2) {
    return { prefix: icon$$1[0], iconName: icon$$1[1] };
  }

  if (typeof icon$$1 === 'string') {
    return { prefix: 'fas', iconName: icon$$1 };
  }
}

var FontAwesomeIcon = {
  name: 'FontAwesomeIcon',

  functional: true,

  props: {
    border: {
      type: Boolean,
      default: false
    },
    fixedWidth: {
      type: Boolean,
      default: false
    },
    flip: {
      type: String,
      default: null,
      validator: function validator(value) {
        return ['horizontal', 'vertical', 'both'].indexOf(value) > -1;
      }
    },
    icon: {
      type: [Object, Array, String],
      required: true
    },
    mask: {
      type: [Object, Array, String],
      default: null
    },
    listItem: {
      type: Boolean,
      default: false
    },
    pull: {
      type: String,
      default: null,
      validator: function validator(value) {
        return ['right', 'left'].indexOf(value) > -1;
      }
    },
    pulse: {
      type: Boolean,
      default: false
    },
    rotation: {
      type: [String, Number],
      default: null,
      validator: function validator(value) {
        return [90, 180, 270].indexOf(parseInt(value, 10)) > -1;
      }
    },
    swapOpacity: {
      type: Boolean,
      default: false
    },
    size: {
      type: String,
      default: null,
      validator: function validator(value) {
        return ['lg', 'xs', 'sm', '1x', '2x', '3x', '4x', '5x', '6x', '7x', '8x', '9x', '10x'].indexOf(value) > -1;
      }
    },
    spin: {
      type: Boolean,
      default: false
    },
    transform: {
      type: [String, Object],
      default: null
    },
    symbol: {
      type: [Boolean, String],
      default: false
    },
    title: {
      type: String,
      default: null
    },
    inverse: {
      type: Boolean,
      default: false
    }
  },

  render: function render(createElement, context) {
    var props = context.props;
    var iconArgs = props.icon,
        maskArgs = props.mask,
        symbol = props.symbol,
        title = props.title;

    var icon$$1 = normalizeIconArgs(iconArgs);
    var classes = objectWithKey('classes', classList(props));
    var transform = objectWithKey('transform', typeof props.transform === 'string' ? parse.transform(props.transform) : props.transform);
    var mask = objectWithKey('mask', normalizeIconArgs(maskArgs));

    var renderedIcon = icon(icon$$1, _extends({}, classes, transform, mask, { symbol: symbol, title: title }));

    if (!renderedIcon) {
      return log('Could not find one or more icon(s)', icon$$1, mask);
    }

    var abstract = renderedIcon.abstract;

    var convertCurry = convert.bind(null, createElement);

    return convertCurry(abstract[0], {}, context.data);
  }
};

var FontAwesomeLayers = {
  name: 'FontAwesomeLayers',

  functional: true,

  props: {
    fixedWidth: {
      type: Boolean,
      default: false
    }
  },

  render: function render(createElement, context) {
    var familyPrefix = config.familyPrefix;
    var staticClass = context.data.staticClass;


    var classes = [familyPrefix + '-layers'].concat(toConsumableArray(context.props.fixedWidth ? [familyPrefix + '-fw'] : []));

    return createElement('div', _extends({}, context.data, {
      staticClass: addStaticClass(staticClass, classes)
    }), context.children);
  }
};

var FontAwesomeLayersText = {
  name: 'FontAwesomeLayersText',

  functional: true,

  props: {
    value: {
      type: [String, Number],
      default: ''
    },
    transform: {
      type: [String, Object],
      default: null
    },
    counter: {
      type: Boolean,
      default: false
    },
    position: {
      type: String,
      default: null,
      validator: function validator(value) {
        return ['bottom-left', 'bottom-right', 'top-left', 'top-right'].indexOf(value) > -1;
      }
    }
  },

  render: function render(createElement, context) {
    var familyPrefix = config.familyPrefix;
    var props = context.props;


    var classes = objectWithKey('classes', [].concat(toConsumableArray(props.counter ? [familyPrefix + '-layers-counter'] : []), toConsumableArray(props.position ? [familyPrefix + '-layers-' + props.position] : [])));

    var transform = objectWithKey('transform', typeof props.transform === 'string' ? parse.transform(props.transform) : props.transform);

    var renderedText = text(props.value.toString(), _extends({}, transform, classes));

    var abstract = renderedText.abstract;


    if (props.counter) {
      abstract[0].attributes.class = abstract[0].attributes.class.replace('fa-layers-text', '');
    }

    var convertCurry = convert.bind(null, createElement);

    return convertCurry(abstract[0], {}, context.data);
  }
};

export { FontAwesomeIcon, FontAwesomeLayers, FontAwesomeLayersText };