bpmn-process-designer/lib/bpmn-process-designer.common.js

A process designer base on Vue 2.x and ElementUI

module.exports =
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/******/ ({

/***/ 0:
/***/ (function(module, exports) {

/* (ignored) */

/***/ }),

/***/ "0014":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var is = __webpack_require__("e81d").is;

var events = __webpack_require__("99e7"),
    CONSUME_TOKEN_EVENT = events.CONSUME_TOKEN_EVENT,
    GENERATE_TOKEN_EVENT = events.GENERATE_TOKEN_EVENT,
    UPDATE_ELEMENT_EVENT = events.UPDATE_ELEMENT_EVENT;

function SubProcessHandler(animation, eventBus, log) {
  this._animation = animation;
  this._eventBus = eventBus;
  this._log = log;
}

SubProcessHandler.prototype.consume = function(context) {
  var element = context.element,
      processInstanceId = context.processInstanceId;

  var startEvent = element.children.filter(function(child) {
    return is(child, 'bpmn:StartEvent');
  })[0];

  if (!startEvent) {
    this._log.log('Skipping Subprocess', 'info', 'fa-angle-double-right');

    // skip subprocess
    this._eventBus.fire(GENERATE_TOKEN_EVENT, context);
  } else {
    this._log.log('Starting Subprocess', 'info', 'fa-sign-in');

    // start subprocess with process instance ID as parent process instance ID
    this._eventBus.fire(GENERATE_TOKEN_EVENT, {
      element: startEvent,
      parentProcessInstanceId: processInstanceId
    });
  }

  this._eventBus.fire(UPDATE_ELEMENT_EVENT, {
    element: element
  });
};

SubProcessHandler.prototype.generate = function(context) {
  var self = this;

  var element = context.element,
      processInstanceId = context.processInstanceId;

  var outgoingSequenceFlows = element.outgoing.filter(function(outgoing) {
    return is(outgoing, 'bpmn:SequenceFlow');
  });

  outgoingSequenceFlows.forEach(function(outgoing) {
    self._animation.createAnimation(outgoing, processInstanceId, function() {
      self._eventBus.fire(CONSUME_TOKEN_EVENT, {
        element: outgoing.target,
        processInstanceId: processInstanceId
      });
    });
  });

  this._eventBus.fire(UPDATE_ELEMENT_EVENT, {
    element: element
  });
};

SubProcessHandler.$inject = [ 'animation', 'eventBus', 'log' ];

module.exports = SubProcessHandler;

/***/ }),

/***/ "00ee":
/***/ (function(module, exports, __webpack_require__) {

var wellKnownSymbol = __webpack_require__("b622");

var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var test = {};

test[TO_STRING_TAG] = 'z';

module.exports = String(test) === '[object z]';


/***/ }),

/***/ "0131":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var domify = __webpack_require__("0af7");

var events = __webpack_require__("99e7"),
    TOGGLE_MODE_EVENT = events.TOGGLE_MODE_EVENT,
    RESET_SIMULATION_EVENT = events.RESET_SIMULATION_EVENT,
    GENERATE_TOKEN_EVENT = events.GENERATE_TOKEN_EVENT;

var OFFSET_TOP = -15,
    OFFSET_RIGHT = 15;

function ElementNotifications(overlays, eventBus) {
  var self = this;

  this._overlays = overlays;

  eventBus.on(TOGGLE_MODE_EVENT, function(context) {
    var simulationModeActive = context.simulationModeActive;

    if (!simulationModeActive) {
      self.removeElementNotifications();
    }
  });

  eventBus.on([
    RESET_SIMULATION_EVENT,
    GENERATE_TOKEN_EVENT
  ], function() {
    self.removeElementNotifications();
  });
}

ElementNotifications.prototype.addElementNotifications = function(elements, options) {
  var self = this;

  elements.forEach(function(element) {
    self.addElementNotification(element, options);
  });
};

ElementNotifications.prototype.addElementNotification = function(element, options) {
  var position = {
    top: OFFSET_TOP,
    right: OFFSET_RIGHT
  };

  var markup =
    '<div class="element-notification ' + (options.type || '') + '">' +
      (options.icon ? '<i class="fa ' + options.icon + '"></i>' : '') +
      ('<span class="text">' + options.text + '</span>' || false) +
    '</div>';

  var html = domify(markup);

  this._overlays.add(element, 'element-notification', {
    position: position,
    html: html,
    show: {
      minZoom: 0.5
    }
  });
};

ElementNotifications.prototype.removeElementNotifications = function(elements) {
  var self = this;

  if (!elements) {
    this._overlays.remove({ type: 'element-notification' });
  } else {
    elements.forEach(function(element) {
      self.removeElementNotification(element);
    });
  }
};

ElementNotifications.prototype.removeElementNotification = function(element) {
  this._overlays.remove({ element: element });
};

ElementNotifications.$inject = [ 'overlays', 'eventBus' ];

module.exports = ElementNotifications;

/***/ }),

/***/ "0366":
/***/ (function(module, exports, __webpack_require__) {

var aFunction = __webpack_require__("1c0b");

// optional / simple context binding
module.exports = function (fn, that, length) {
  aFunction(fn);
  if (that === undefined) return fn;
  switch (length) {
    case 0: return function () {
      return fn.call(that);
    };
    case 1: return function (a) {
      return fn.call(that, a);
    };
    case 2: return function (a, b) {
      return fn.call(that, a, b);
    };
    case 3: return function (a, b, c) {
      return fn.call(that, a, b, c);
    };
  }
  return function (/* ...args */) {
    return fn.apply(that, arguments);
  };
};


/***/ }),

/***/ "0394":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var is = __webpack_require__("e81d").is;

var events = __webpack_require__("99e7"),
    CONSUME_TOKEN_EVENT = events.CONSUME_TOKEN_EVENT,
    GENERATE_TOKEN_EVENT = events.GENERATE_TOKEN_EVENT;

function IntermediateThrowEventHandler(animation, eventBus) {
  this._animation = animation;
  this._eventBus = eventBus;
}

IntermediateThrowEventHandler.prototype.consume = function(element) {
  this._eventBus.fire(GENERATE_TOKEN_EVENT, {
    element: element
  });
};

IntermediateThrowEventHandler.prototype.generate = function(element) {
  var self = this;

  var outgoingSequenceFlows = element.outgoing.filter(function(outgoing) {
    return is(outgoing, 'bpmn:SequenceFlow');
  });

  outgoingSequenceFlows.forEach(function(connection) {
    self._animation.createAnimation(connection, function() {
      self._eventBus.fire(CONSUME_TOKEN_EVENT, {
        element: connection.target
      });
    });
  });
};

IntermediateThrowEventHandler.$inject = [ 'animation', 'eventBus' ];

module.exports = IntermediateThrowEventHandler;

/***/ }),

/***/ "03d6":
/***/ (function(module, exports, __webpack_require__) {

var has = __webpack_require__("9c0e");
var toIObject = __webpack_require__("6ca1");
var arrayIndexOf = __webpack_require__("39ad")(false);
var IE_PROTO = __webpack_require__("5a94")('IE_PROTO');

module.exports = function (object, names) {
  var O = toIObject(object);
  var i = 0;
  var result = [];
  var key;
  for (key in O) if (key != IE_PROTO) has(O, key) && result.push(key);
  // Don't enum bug & hidden keys
  while (names.length > i) if (has(O, key = names[i++])) {
    ~arrayIndexOf(result, key) || result.push(key);
  }
  return result;
};


/***/ }),

/***/ "04fb":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var events = __webpack_require__("99e7"),
    TOGGLE_MODE_EVENT = events.TOGGLE_MODE_EVENT,
    PROCESS_INSTANCE_CREATED_EVENT = events.PROCESS_INSTANCE_CREATED_EVENT,
    PROCESS_INSTANCE_FINISHED_EVENT = events.PROCESS_INSTANCE_FINISHED_EVENT,
    PROCESS_INSTANCE_SHOWN_EVENT = events.PROCESS_INSTANCE_SHOWN_EVENT,
    PROCESS_INSTANCE_HIDDEN_EVENT = events.PROCESS_INSTANCE_HIDDEN_EVENT;

var LOW_PRIORITY = 500;

function ProcessInstanceSettings(animation, eventBus, processInstances, elementRegistry) {
  var self = this;

  this._animation = animation;
  this._eventBus = eventBus;
  this._processInstances = processInstances;
  this._elementRegistry = elementRegistry;

  this._eventBus.on(PROCESS_INSTANCE_CREATED_EVENT, LOW_PRIORITY, function(context) {
    var parent = context.parent,
        processInstanceId = context.processInstanceId;

    var processInstancesWithParent = processInstances.getProcessInstances(parent).filter(function(processInstance) {
      return !processInstance.isFinished;
    });

    if (processInstancesWithParent.length === 1) {
      self.showProcessInstance(processInstanceId, parent);
    } else if (processInstancesWithParent.length > 1) {
      self.hideProcessInstance(processInstanceId);
    }
  });

  this._eventBus.on(PROCESS_INSTANCE_FINISHED_EVENT, LOW_PRIORITY, function(context) {
    var parent = context.parent,
        processInstanceId = context.processInstanceId;

    var processInstancesWithParent = processInstances
      .getProcessInstances(parent)
      .filter(function(processInstance) {
        return processInstanceId !== processInstance.processInstanceId && !processInstance.isFinished;
      });

    // show remaining process instance
    if (processInstancesWithParent.length
        && processInstanceId === parent.shownProcessInstance) {

      self.showProcessInstance(processInstancesWithParent[0].processInstanceId, parent);

    } else {
      delete parent.shownProcessInstance;
    }

    // outer process is finished
    if (!parent.parent) {
      elementRegistry.forEach(function(element) {
        delete element.shownProcessInstance;
      });
    }
  });

  eventBus.on(TOGGLE_MODE_EVENT, function() {
    elementRegistry.forEach(function(element) {
      delete element.shownProcessInstance;
    });
  });
}

ProcessInstanceSettings.prototype.showProcessInstance = function(processInstanceId, parent) {
  this._animation.showProcessInstanceAnimations(processInstanceId);

  parent.shownProcessInstance = processInstanceId;

  this._eventBus.fire(PROCESS_INSTANCE_SHOWN_EVENT, {
    processInstanceId: processInstanceId
  });
};

ProcessInstanceSettings.prototype.hideProcessInstance = function(processInstanceId) {
  this._animation.hideProcessInstanceAnimations(processInstanceId);

  this._eventBus.fire(PROCESS_INSTANCE_HIDDEN_EVENT, {
    processInstanceId: processInstanceId
  });
};

ProcessInstanceSettings.prototype.showNext = function(parent) {
  var self = this;

  var processInstancesWithParent = this._processInstances.getProcessInstances(parent);

  var shownProcessInstance = parent.shownProcessInstance;

  var indexOfShownProcessInstance = 0;

  for (let i = 0; i < processInstancesWithParent.length; i++) {
    if (processInstancesWithParent[i].processInstanceId === shownProcessInstance) {
      break;
    } else {
      indexOfShownProcessInstance++;
    }
  }

  processInstancesWithParent.forEach(function(processInstance) {
    self.hideProcessInstance(processInstance.processInstanceId);
  });

  if (indexOfShownProcessInstance === processInstancesWithParent.length - 1) {

    // last index
    this.showProcessInstance(processInstancesWithParent[0].processInstanceId, parent);
  } else {

    // not last index
    this.showProcessInstance(processInstancesWithParent[indexOfShownProcessInstance + 1].processInstanceId, parent);
  }
};

ProcessInstanceSettings.$inject = [ 'animation', 'eventBus', 'processInstances', 'elementRegistry' ];

module.exports = ProcessInstanceSettings;

/***/ }),

/***/ "051b":
/***/ (function(module, exports, __webpack_require__) {

var dP = __webpack_require__("1a14");
var createDesc = __webpack_require__("10db");
module.exports = __webpack_require__("0bad") ? function (object, key, value) {
  return dP.f(object, key, createDesc(1, value));
} : function (object, key, value) {
  object[key] = value;
  return object;
};


/***/ }),

/***/ "057f":
/***/ (function(module, exports, __webpack_require__) {

var toIndexedObject = __webpack_require__("fc6a");
var nativeGetOwnPropertyNames = __webpack_require__("241c").f;

var toString = {}.toString;

var windowNames = typeof window == 'object' && window && Object.getOwnPropertyNames
  ? Object.getOwnPropertyNames(window) : [];

var getWindowNames = function (it) {
  try {
    return nativeGetOwnPropertyNames(it);
  } catch (error) {
    return windowNames.slice();
  }
};

// fallback for IE11 buggy Object.getOwnPropertyNames with iframe and window
module.exports.f = function getOwnPropertyNames(it) {
  return windowNames && toString.call(it) == '[object Window]'
    ? getWindowNames(it)
    : nativeGetOwnPropertyNames(toIndexedObject(it));
};


/***/ }),

/***/ "05f5":
/***/ (function(module, exports, __webpack_require__) {

var isObject = __webpack_require__("7a41");
var document = __webpack_require__("ef08").document;
// typeof document.createElement is 'object' in old IE
var is = isObject(document) && isObject(document.createElement);
module.exports = function (it) {
  return is ? document.createElement(it) : {};
};


/***/ }),

/***/ "06cf":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var propertyIsEnumerableModule = __webpack_require__("d1e7");
var createPropertyDescriptor = __webpack_require__("5c6c");
var toIndexedObject = __webpack_require__("fc6a");
var toPrimitive = __webpack_require__("c04e");
var has = __webpack_require__("5135");
var IE8_DOM_DEFINE = __webpack_require__("0cfb");

var nativeGetOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;

// `Object.getOwnPropertyDescriptor` method
// https://tc39.github.io/ecma262/#sec-object.getownpropertydescriptor
exports.f = DESCRIPTORS ? nativeGetOwnPropertyDescriptor : function getOwnPropertyDescriptor(O, P) {
  O = toIndexedObject(O);
  P = toPrimitive(P, true);
  if (IE8_DOM_DEFINE) try {
    return nativeGetOwnPropertyDescriptor(O, P);
  } catch (error) { /* empty */ }
  if (has(O, P)) return createPropertyDescriptor(!propertyIsEnumerableModule.f.call(O, P), O[P]);
};


/***/ }),

/***/ "072d":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

// 19.1.2.1 Object.assign(target, source, ...)
var DESCRIPTORS = __webpack_require__("0bad");
var getKeys = __webpack_require__("9876");
var gOPS = __webpack_require__("fed5");
var pIE = __webpack_require__("1917");
var toObject = __webpack_require__("0983");
var IObject = __webpack_require__("9fbb");
var $assign = Object.assign;

// should work with symbols and should have deterministic property order (V8 bug)
module.exports = !$assign || __webpack_require__("4b8b")(function () {
  var A = {};
  var B = {};
  // eslint-disable-next-line no-undef
  var S = Symbol();
  var K = 'abcdefghijklmnopqrst';
  A[S] = 7;
  K.split('').forEach(function (k) { B[k] = k; });
  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
  var T = toObject(target);
  var aLen = arguments.length;
  var index = 1;
  var getSymbols = gOPS.f;
  var isEnum = pIE.f;
  while (aLen > index) {
    var S = IObject(arguments[index++]);
    var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
    var length = keys.length;
    var j = 0;
    var key;
    while (length > j) {
      key = keys[j++];
      if (!DESCRIPTORS || isEnum.call(S, key)) T[key] = S[key];
    }
  } return T;
} : $assign;


/***/ }),

/***/ "078a":
/***/ (function(module, exports, __webpack_require__) {

var helper = __webpack_require__("96c1");
var xml2js = __webpack_require__("844f");

function validateOptions (userOptions) {
  var options = helper.copyOptions(userOptions);
  helper.ensureSpacesExists(options);
  return options;
}

module.exports = function(xml, userOptions) {
  var options, js, json, parentKey;
  options = validateOptions(userOptions);
  js = xml2js(xml, options);
  parentKey = 'compact' in options && options.compact ? '_parent' : 'parent';
  // parentKey = ptions.compact ? '_parent' : 'parent'; // consider this
  if ('addParent' in options && options.addParent) {
    json = JSON.stringify(js, function (k, v) { return k === parentKey? '_' : v; }, options.spaces);
  } else {
    json = JSON.stringify(js, null, options.spaces);
  }
  return json.replace(/\u2028/g, '\\u2028').replace(/\u2029/g, '\\u2029');
};


/***/ }),

/***/ "0809":
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__("ddeb");

/***/ }),

/***/ "0960":
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__("b19a");


/***/ }),

/***/ "0983":
/***/ (function(module, exports, __webpack_require__) {

// 7.1.13 ToObject(argument)
var defined = __webpack_require__("c901");
module.exports = function (it) {
  return Object(defined(it));
};


/***/ }),

/***/ "09c5":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


__webpack_require__("45fc");

__webpack_require__("b0c0");

__webpack_require__("ac1f");

__webpack_require__("5319");

var some = __webpack_require__("87f2").some;

var ALLOWED_TYPES = {
  FailedJobRetryTimeCycle: ["bpmn:StartEvent", "bpmn:BoundaryEvent", "bpmn:IntermediateCatchEvent", "bpmn:Activity"],
  Connector: ["bpmn:EndEvent", "bpmn:IntermediateThrowEvent"],
  Field: ["bpmn:EndEvent", "bpmn:IntermediateThrowEvent"]
};

function is(element, type) {
  return element && typeof element.$instanceOf === "function" && element.$instanceOf(type);
}

function exists(element) {
  return element && element.length;
}

function includesType(collection, type) {
  return exists(collection) && some(collection, function (element) {
    return is(element, type);
  });
}

function anyType(element, types) {
  return some(types, function (type) {
    return is(element, type);
  });
}

function isAllowed(propName, propDescriptor, newElement) {
  var name = propDescriptor.name,
      types = ALLOWED_TYPES[name.replace(/activiti:/, "")];
  return name === propName && anyType(newElement, types);
}

function ActivitiModdleExtension(eventBus) {
  eventBus.on("property.clone", function (context) {
    var newElement = context.newElement,
        propDescriptor = context.propertyDescriptor;
    this.canCloneProperty(newElement, propDescriptor);
  }, this);
}

ActivitiModdleExtension.$inject = ["eventBus"];

ActivitiModdleExtension.prototype.canCloneProperty = function (newElement, propDescriptor) {
  if (isAllowed("activiti:FailedJobRetryTimeCycle", propDescriptor, newElement)) {
    return includesType(newElement.eventDefinitions, "bpmn:TimerEventDefinition") || includesType(newElement.eventDefinitions, "bpmn:SignalEventDefinition") || is(newElement.loopCharacteristics, "bpmn:MultiInstanceLoopCharacteristics");
  }

  if (isAllowed("activiti:Connector", propDescriptor, newElement)) {
    return includesType(newElement.eventDefinitions, "bpmn:MessageEventDefinition");
  }

  if (isAllowed("activiti:Field", propDescriptor, newElement)) {
    return includesType(newElement.eventDefinitions, "bpmn:MessageEventDefinition");
  }
};

module.exports = ActivitiModdleExtension;

/***/ }),

/***/ "0ae2":
/***/ (function(module, exports, __webpack_require__) {

// all enumerable object keys, includes symbols
var getKeys = __webpack_require__("9876");
var gOPS = __webpack_require__("fed5");
var pIE = __webpack_require__("1917");
module.exports = function (it) {
  var result = getKeys(it);
  var getSymbols = gOPS.f;
  if (getSymbols) {
    var symbols = getSymbols(it);
    var isEnum = pIE.f;
    var i = 0;
    var key;
    while (symbols.length > i) if (isEnum.call(it, key = symbols[i++])) result.push(key);
  } return result;
};


/***/ }),

/***/ "0af7":
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__("f95b");

/***/ }),

/***/ "0b99":
/***/ (function(module, exports, __webpack_require__) {

"use strict";

var $at = __webpack_require__("19fa")(true);

// 21.1.3.27 String.prototype[@@iterator]()
__webpack_require__("393a")(String, 'String', function (iterated) {
  this._t = String(iterated); // target
  this._i = 0;                // next index
// 21.1.5.2.1 %StringIteratorPrototype%.next()
}, function () {
  var O = this._t;
  var index = this._i;
  var point;
  if (index >= O.length) return { value: undefined, done: true };
  point = $at(O, index);
  this._i += point.length;
  return { value: point, done: false };
});


/***/ }),

/***/ "0bad":
/***/ (function(module, exports, __webpack_require__) {

// Thank's IE8 for his funny defineProperty
module.exports = !__webpack_require__("4b8b")(function () {
  return Object.defineProperty({}, 'a', { get: function () { return 7; } }).a != 7;
});


/***/ }),

/***/ "0cfb":
/***/ (function(module, exports, __webpack_require__) {

var DESCRIPTORS = __webpack_require__("83ab");
var fails = __webpack_require__("d039");
var createElement = __webpack_require__("cc12");

// Thank's IE8 for his funny defineProperty
module.exports = !DESCRIPTORS && !fails(function () {
  return Object.defineProperty(createElement('div'), 'a', {
    get: function () { return 7; }
  }).a != 7;
});


/***/ }),

/***/ "0d3b":
/***/ (function(module, exports, __webpack_require__) {

var fails = __webpack_require__("d039");
var wellKnownSymbol = __webpack_require__("b622");
var IS_PURE = __webpack_require__("c430");

var ITERATOR = wellKnownSymbol('iterator');

module.exports = !fails(function () {
  var url = new URL('b?a=1&b=2&c=3', 'http://a');
  var searchParams = url.searchParams;
  var result = '';
  url.pathname = 'c%20d';
  searchParams.forEach(function (value, key) {
    searchParams['delete']('b');
    result += key + value;
  });
  return (IS_PURE && !url.toJSON)
    || !searchParams.sort
    || url.href !== 'http://a/c%20d?a=1&c=3'
    || searchParams.get('c') !== '3'
    || String(new URLSearchParams('?a=1')) !== 'a=1'
    || !searchParams[ITERATOR]
    // throws in Edge
    || new URL('https://a@b').username !== 'a'
    || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b'
    // not punycoded in Edge
    || new URL('http://тест').host !== 'xn--e1aybc'
    // not escaped in Chrome 62-
    || new URL('http://a#б').hash !== '#%D0%B1'
    // fails in Chrome 66-
    || result !== 'a1c3'
    // throws in Safari
    || new URL('http://x', undefined).host !== 'x';
});


/***/ }),

/***/ "0e15":
/***/ (function(module, exports, __webpack_require__) {

/* eslint-disable no-undefined */

var throttle = __webpack_require__("597f");

/**
 * Debounce execution of a function. Debouncing, unlike throttling,
 * guarantees that a function is only executed a single time, either at the
 * very beginning of a series of calls, or at the very end.
 *
 * @param  {Number}   delay         A zero-or-greater delay in milliseconds. For event callbacks, values around 100 or 250 (or even higher) are most useful.
 * @param  {Boolean}  [atBegin]     Optional, defaults to false. If atBegin is false or unspecified, callback will only be executed `delay` milliseconds
 *                                  after the last debounced-function call. If atBegin is true, callback will be executed only at the first debounced-function call.
 *                                  (After the throttled-function has not been called for `delay` milliseconds, the internal counter is reset).
 * @param  {Function} callback      A function to be executed after delay milliseconds. The `this` context and all arguments are passed through, as-is,
 *                                  to `callback` when the debounced-function is executed.
 *
 * @return {Function} A new, debounced function.
 */
module.exports = function ( delay, atBegin, callback ) {
	return callback === undefined ? throttle(delay, atBegin, false) : throttle(delay, callback, atBegin !== false);
};


/***/ }),

/***/ "0ebc":
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var domClasses = __webpack_require__("4193");

var elementHelper = __webpack_require__("e81d"),
    is = elementHelper.is,
    SUPPORTED_ELEMENTS = elementHelper.supportedElements;

var events = __webpack_require__("99e7"),
    TOGGLE_MODE_EVENT = events.TOGGLE_MODE_EVENT,
    GENERATE_TOKEN_EVENT = events.GENERATE_TOKEN_EVENT;

var IGNORED_ELEMENTS = [
  'bpmn:Process',
  'bpmn:Collaboration',
  'bpmn:Participant',
  'bpmn:Lane',
  'bpmn:TextAnnotation'
];

function isLabel(element) {
  return element.labelTarget;
}

function ElementSupport(eventBus, elementRegistry, canvas, notifications, elementNotifications) {
  var self = this;

  this._eventBus = eventBus;
  this._elementRegistry = elementRegistry;
  this._elementNotifications = elementNotifications;
  this._notifications = notifications;

  this.canvasParent = canvas.getContainer().parentNode;

  eventBus.on(GENERATE_TOKEN_EVENT, 20000, function(context) {
    var element = context.element;

    if (!is(element, 'bpmn:StartEvent')) {
      return;
    }

    if (!self.allElementsSupported()) {
      self.showWarnings();

      domClasses(self.canvasParent).add('warning');

      // cancel event
      return true;
    }
  });

  eventBus.on(TOGGLE_MODE_EVENT, function(context) {
    var simulationModeActive = context.simulationModeActive;

    if (!simulationModeActive) {
      domClasses(self.canvasParent).remove('warning');
    }
  });
}

ElementSupport.prototype.allElementsSupported = function() {
  var allElementsSupported = true;

  this._elementRegistry.forEach(function(element) {
    if (!is(element, IGNORED_ELEMENTS)
        && !is(element, SUPPORTED_ELEMENTS)
        && !isLabel(element)
    ) {
      allElementsSupported = false;
    }
  });

  return allElementsSupported;
};

ElementSupport.prototype.showWarnings = function(elements) {
  var self = this;

  var warnings = [];

  this._elementRegistry.forEach(function(element) {
    if (!is(element, IGNORED_ELEMENTS)
        && !is(element, SUPPORTED_ELEMENTS)
        && !isLabel(element)
    ) {
      self.showWarning(element);

      if (warnings.indexOf(element.type)) {
        self._notifications.showNotification(element.type + ' not supported', 'warning');

        warnings.push(element.type);
      }
    }
  });
};

ElementSupport.prototype.showWarning = function(element) {
  this._elementNotifications.addElementNotification(element, {
    type: 'warning',
    icon: 'fa-exclamation-triangle',
    text: 'Not supported'
  });
};

ElementSupport.$inject = [ 'eventBus', 'elementRegistry', 'canvas', 'notifications', 'elementNotifications' ];

module.exports = ElementSupport;

/***/ }),

/***/ "0fab":
/***/ (function(module, exports, __webpack_require__) {

module.exports = __webpack_require__("c7ca");

/***/ }),

/***/ 1:
/***/ (function(module, exports) {

/* (ignored) */

/***/ }),

/***/ "1020":
/***/ (function(module, exports) {

function deepFreeze(obj) {
    if (obj instanceof Map) {
        obj.clear = obj.delete = obj.set = function () {
            throw new Error('map is read-only');
        };
    } else if (obj instanceof Set) {
        obj.add = obj.clear = obj.delete = function () {
            throw new Error('set is read-only');
        };
    }

    // Freeze self
    Object.freeze(obj);

    Object.getOwnPropertyNames(obj).forEach(function (name) {
        var prop = obj[name];

        // Freeze prop if it is an object
        if (typeof prop == 'object' && !Object.isFrozen(prop)) {
            deepFreeze(prop);
        }
    });

    return obj;
}

var deepFreezeEs6 = deepFreeze;
var _default = deepFreeze;
deepFreezeEs6.default = _default;

class Response {
  /**
   * @param {CompiledMode} mode
   */
  constructor(mode) {
    // eslint-disable-next-line no-undefined
    if (mode.data === undefined) mode.data = {};

    this.data = mode.data;
  }

  ignoreMatch() {
    this.ignore = true;
  }
}

/**
 * @param {string} value
 * @returns {string}
 */
function escapeHTML(value) {
  return value
    .replace(/&/g, '&amp;')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#x27;');
}

/**
 * performs a shallow merge of multiple objects into one
 *
 * @template T
 * @param {T} original
 * @param {Record<string,any>[]} objects
 * @returns {T} a single new object
 */
function inherit(original, ...objects) {
  /** @type Record<string,any> */
  const result = Object.create(null);

  for (const key in original) {
    result[key] = original[key];
  }
  objects.forEach(function(obj) {
    for (const key in obj) {
      result[key] = obj[key];
    }
  });
  return /** @type {T} */ (result);
}

/**
 * @typedef {object} Renderer
 * @property {(text: string) => void} addText
 * @property {(node: Node) => void} openNode
 * @property {(node: Node) => void} closeNode
 * @property {() => string} value
 */

/** @typedef {{kind?: string, sublanguage?: boolean}} Node */
/** @typedef {{walk: (r: Renderer) => void}} Tree */
/** */

const SPAN_CLOSE = '</span>';

/**
 * Determines if a node needs to be wrapped in <span>
 *
 * @param {Node} node */
const emitsWrappingTags = (node) => {
  return !!node.kind;
};

/** @type {Renderer} */
class HTMLRenderer {
  /**
   * Creates a new HTMLRenderer
   *
   * @param {Tree} parseTree - the parse tree (must support `walk` API)
   * @param {{classPrefix: string}} options
   */
  constructor(parseTree, options) {
    this.buffer = "";
    this.classPrefix = options.classPrefix;
    parseTree.walk(this);
  }

  /**
   * Adds texts to the output stream
   *
   * @param {string} text */
  addText(text) {
    this.buffer += escapeHTML(text);
  }

  /**
   * Adds a node open to the output stream (if needed)
   *
   * @param {Node} node */
  openNode(node) {
    if (!emitsWrappingTags(node)) return;

    let className = node.kind;
    if (!node.sublanguage) {
      className = `${this.classPrefix}${className}`;
    }
    this.span(className);
  }

  /**
   * Adds a node close to the output stream (if needed)
   *
   * @param {Node} node */
  closeNode(node) {
    if (!emitsWrappingTags(node)) return;

    this.buffer += SPAN_CLOSE;
  }

  /**
   * returns the accumulated buffer
  */
  value() {
    return this.buffer;
  }

  // helpers

  /**
   * Builds a span element
   *
   * @param {string} className */
  span(className) {
    this.buffer += `<span class="${className}">`;
  }
}

/** @typedef {{kind?: string, sublanguage?: boolean, children: Node[]} | string} Node */
/** @typedef {{kind?: string, sublanguage?: boolean, children: Node[]} } DataNode */
/**  */

class TokenTree {
  constructor() {
    /** @type DataNode */
    this.rootNode = { children: [] };
    this.stack = [this.rootNode];
  }

  get top() {
    return this.stack[this.stack.length - 1];
  }

  get root() { return this.rootNode; }

  /** @param {Node} node */
  add(node) {
    this.top.children.push(node);
  }

  /** @param {string} kind */
  openNode(kind) {
    /** @type Node */
    const node = { kind, children: [] };
    this.add(node);
    this.stack.push(node);
  }

  closeNode() {
    if (this.stack.length > 1) {
      return this.stack.pop();
    }
    // eslint-disable-next-line no-undefined
    return undefined;
  }

  closeAllNodes() {
    while (this.closeNode());
  }

  toJSON() {
    return JSON.stringify(this.rootNode, null, 4);
  }

  /**
   * @typedef { import("./html_renderer").Renderer } Renderer
   * @param {Renderer} builder
   */
  walk(builder) {
    // this does not
    return this.constructor._walk(builder, this.rootNode);
    // this works
    // return TokenTree._walk(builder, this.rootNode);
  }

  /**
   * @param {Renderer} builder
   * @param {Node} node
   */
  static _walk(builder, node) {
    if (typeof node === "string") {
      builder.addText(node);
    } else if (node.children) {
      builder.openNode(node);
      node.children.forEach((child) => this._walk(builder, child));
      builder.closeNode(node);
    }
    return builder;
  }

  /**
   * @param {Node} node
   */
  static _collapse(node) {
    if (typeof node === "string") return;
    if (!node.children) return;

    if (node.children.every(el => typeof el === "string")) {
      // node.text = node.children.join("");
      // delete node.children;
      node.children = [node.children.join("")];
    } else {
      node.children.forEach((child) => {
        TokenTree._collapse(child);
      });
    }
  }
}

/**
  Currently this is all private API, but this is the minimal API necessary
  that an Emitter must implement to fully support the parser.

  Minimal interface:

  - addKeyword(text, kind)
  - addText(text)
  - addSublanguage(emitter, subLanguageName)
  - finalize()
  - openNode(kind)
  - closeNode()
  - closeAllNodes()
  - toHTML()

*/

/**
 * @implements {Emitter}
 */
class TokenTreeEmitter extends TokenTree {
  /**
   * @param {*} options
   */
  constructor(options) {
    super();
    this.options = options;
  }

  /**
   * @param {string} text
   * @param {string} kind
   */
  addKeyword(text, kind) {
    if (text === "") { return; }

    this.openNode(kind);
    this.addText(text);
    this.closeNode();
  }

  /**
   * @param {string} text
   */
  addText(text) {
    if (text === "") { return; }

    this.add(text);
  }

  /**
   * @param {Emitter & {root: DataNode}} emitter
   * @param {string} name
   */
  addSublanguage(emitter, name) {
    /** @type DataNode */
    const node = emitter.root;
    node.kind = name;
    node.sublanguage = true;
    this.add(node);
  }

  toHTML() {
    const renderer = new HTMLRenderer(this, this.options);
    return renderer.value();
  }

  finalize() {
    return true;
  }
}

/**
 * @param {string} value
 * @returns {RegExp}
 * */
function escape(value) {
  return new RegExp(value.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&'), 'm');
}

/**
 * @param {RegExp | string } re
 * @returns {string}
 */
function source(re) {
  if (!re) return null;
  if (typeof re === "string") return re;

  return re.source;
}

/**
 * @param {...(RegExp | string) } args
 * @returns {string}
 */
function concat(...args) {
  const joined = args.map((x) => source(x)).join("");
  return joined;
}

/**
 * Any of the passed expresssions may match
 *
 * Creates a huge this | this | that | that match
 * @param {(RegExp | string)[] } args
 * @returns {string}
 */
function either(...args) {
  const joined = '(' + args.map((x) => source(x)).join("|") + ")";
  return joined;
}

/**
 * @param {RegExp} re
 * @returns {number}
 */
function countMatchGroups(re) {
  return (new RegExp(re.toString() + '|')).exec('').length - 1;
}

/**
 * Does lexeme start with a regular expression match at the beginning
 * @param {RegExp} re
 * @param {string} lexeme
 */
function startsWith(re, lexeme) {
  const match = re && re.exec(lexeme);
  return match && match.index === 0;
}

// join logically computes regexps.join(separator), but fixes the
// backreferences so they continue to match.
// it also places each individual regular expression into it's own
// match group, keeping track of the sequencing of those match groups
// is currently an exercise for the caller. :-)
/**
 * @param {(string | RegExp)[]} regexps
 * @param {string} separator
 * @returns {string}
 */
function join(regexps, separator = "|") {
  // backreferenceRe matches an open parenthesis or backreference. To avoid
  // an incorrect parse, it additionally matches the following:
  // - [...] elements, where the meaning of parentheses and escapes change
  // - other escape sequences, so we do not misparse escape sequences as
  //   interesting elements
  // - non-matching or lookahead parentheses, which do not capture. These
  //   follow the '(' with a '?'.
  const backreferenceRe = /\[(?:[^\\\]]|\\.)*\]|\(\??|\\([1-9][0-9]*)|\\./;
  let numCaptures = 0;
  let ret = '';
  for (let i = 0; i < regexps.length; i++) {
    numCaptures += 1;
    const offset = numCaptures;
    let re = source(regexps[i]);
    if (i > 0) {
      ret += separator;
    }
    ret += "(";
    while (re.length > 0) {
      const match = backreferenceRe.exec(re);
      if (match == null) {
        ret += re;
        break;
      }
      ret += re.substring(0, match.index);
      re = re.substring(match.index + match[0].length);
      if (match[0][0] === '\\' && match[1]) {
        // Adjust the backreference.
        ret += '\\' + String(Number(match[1]) + offset);
      } else {
        ret += match[0];
        if (match[0] === '(') {
          numCaptures++;
        }
      }
    }
    ret += ")";
  }
  return ret;
}

// Common regexps
const IDENT_RE = '[a-zA-Z]\\w*';
const UNDERSCORE_IDENT_RE = '[a-zA-Z_]\\w*';
const NUMBER_RE = '\\b\\d+(\\.\\d+)?';
const C_NUMBER_RE = '(-?)(\\b0[xX][a-fA-F0-9]+|(\\b\\d+(\\.\\d*)?|\\.\\d+)([eE][-+]?\\d+)?)'; // 0x..., 0..., decimal, float
const BINARY_NUMBER_RE = '\\b(0b[01]+)'; // 0b...
const RE_STARTERS_RE = '!|!=|!==|%|%=|&|&&|&=|\\*|\\*=|\\+|\\+=|,|-|-=|/=|/|:|;|<<|<<=|<=|<|===|==|=|>>>=|>>=|>=|>>>|>>|>|\\?|\\[|\\{|\\(|\\^|\\^=|\\||\\|=|\\|\\||~';

/**
* @param { Partial<Mode> & {binary?: string | RegExp} } opts
*/
const SHEBANG = (opts = {}) => {
  const beginShebang = /^#![ ]*\//;
  if (opts.binary) {
    opts.begin = concat(
      beginShebang,
      /.*\b/,
      opts.binary,
      /\b.*/);
  }
  return inherit({
    className: 'meta',
    begin: beginShebang,
    end: /$/,
    relevance: 0,
    /** @type {ModeCallback} */
    "on:begin": (m, resp) => {
      if (m.index !== 0) resp.ignoreMatch();
    }
  }, opts);
};

// Common modes
const BACKSLASH_ESCAPE = {
  begin: '\\\\[\\s\\S]', relevance: 0
};
const APOS_STRING_MODE = {
  className: 'string',
  begin: '\'',
  end: '\'',
  illegal: '\\n',
  contains: [BACKSLASH_ESCAPE]
};
const QUOTE_STRING_MODE = {
  className: 'string',
  begin: '"',
  end: '"',
  illegal: '\\n',
  contains: [BACKSLASH_ESCAPE]
};
const PHRASAL_WORDS_MODE = {
  begin: /\b(a|an|the|are|I'm|isn't|don't|doesn't|won't|but|just|should|pretty|simply|enough|gonna|going|wtf|so|such|will|you|your|they|like|more)\b/
};
/**
 * Creates a comment mode
 *
 * @param {string | RegExp} begin
 * @param {string | RegExp} end
 * @param {Mode | {}} [modeOptions]
 * @returns {Partial<Mode>}
 */
const COMMENT = function(begin, end, modeOptions = {}) {
  const mode = inherit(
    {
      className: 'comment',
      begin,
      end,
      contains: []
    },
    modeOptions
  );
  mode.contains.push(PHRASAL_WORDS_MODE);
  mode.contains.push({
    className: 'doctag',
    begin: '(?:TODO|FIXME|NOTE|BUG|OPTIMIZE|HACK|XXX):',
    relevance: 0
  });
  return mode;
};
const C_LINE_COMMENT_MODE = COMMENT('//', '$');
const C_BLOCK_COMMENT_MODE = COMMENT('/\\*', '\\*/');
const HASH_COMMENT_MODE = COMMENT('#', '$');
const NUMBER_MODE = {
  className: 'number',
  begin: NUMBER_RE,
  relevance: 0
};
const C_NUMBER_MODE = {
  className: 'number',
  begin: C_NUMBER_RE,
  relevance: 0
};
const BINARY_NUMBER_MODE = {
  className: 'number',
  begin: BINARY_NUMBER_RE,
  relevance: 0
};
const CSS_NUMBER_MODE = {
  className: 'number',
  begin: NUMBER_RE + '(' +
    '%|em|ex|ch|rem' +
    '|vw|vh|vmin|vmax' +
    '|cm|mm|in|pt|pc|px' +
    '|deg|grad|rad|turn' +
    '|s|ms' +
    '|Hz|kHz' +
    '|dpi|dpcm|dppx' +
    ')?',
  relevance: 0
};
const REGEXP_MODE = {
  // this outer rule makes sure we actually have a WHOLE regex and not simply
  // an expression such as:
  //
  //     3 / something
  //
  // (which will then blow up when regex's `illegal` sees the newline)
  begin: /(?=\/[^/\n]*\/)/,
  contains: [{
    className: 'regexp',
    begin: /\//,
    end: /\/[gimuy]*/,
    illegal: /\n/,
    contains: [
      BACKSLASH_ESCAPE,
      {
        begin: /\[/,
        end: /\]/,
        relevance: 0,
        contains: [BACKSLASH_ESCAPE]
      }
    ]
  }]
};
const TITLE_MODE = {
  className: 'title',
  begin: IDENT_RE,
  relevance: 0
};
const UNDERSCORE_TITLE_MODE = {
  className: 'title',
  begin: UNDERSCORE_IDENT_RE,
  relevance: 0
};
const METHOD_GUARD = {
  // excludes method names from keyword processing
  begin: '\\.\\s*' + UNDERSCORE_IDENT_RE,
  relevance: 0
};

/**
 * Adds end same as begin mechanics to a mode
 *
 * Your mode must include at least a single () match group as that first match
 * group is what is used for comparison
 * @param {Partial<Mode>} mode
 */
const END_SAME_AS_BEGIN = function(mode) {
  return Object.assign(mode,
    {
      /** @type {ModeCallback} */
      'on:begin': (m, resp) => { resp.data._beginMatch = m[1]; },
      /** @type {ModeCallback} */
      'on:end': (m, resp) => { if (resp.data._beginMatch !== m[1]) resp.ignoreMatch(); }
    });
};

var MODES = /*#__PURE__*/Object.freeze({
    __proto__: null,
    IDENT_RE: IDENT_RE,
    UNDERSCORE_IDENT_RE: UNDERSCORE_IDENT_RE,
    NUMBER_RE: NUMBER_RE,
    C_NUMBER_RE: C_NUMBER_RE,
    BINARY_NUMBER_RE: BINARY_NUMBER_RE,
    RE_STARTERS_RE: RE_STARTERS_RE,
    SHEBANG: SHEBANG,
    BACKSLASH_ESCAPE: BACKSLASH_ESCAPE,
    APOS_STRING_MODE: APOS_STRING_MODE,
    QUOTE_STRING_MODE: QUOTE_STRING_MODE,
    PHRASAL_WORDS_MODE: PHRASAL_WORDS_MODE,
    COMMENT: COMMENT,
    C_LINE_COMMENT_MODE: C_LINE_COMMENT_MODE,
    C_BLOCK_COMMENT_MODE: C_BLOCK_COMMENT_MODE,
    HASH_COMMENT_MODE: HASH_COMMENT_MODE,
    NUMBER_MODE: NUMBER_MODE,
    C_NUMBER_MODE: C_NUMBER_MODE,
    BINARY_NUMBER_MODE: BINARY_NUMBER_MODE,
    CSS_NUMBER_MODE: CSS_NUMBER_MODE,
    REGEXP_MODE: REGEXP_MODE,
    TITLE_MODE: TITLE_MODE,
    UNDERSCORE_TITLE_MODE: UNDERSCORE_TITLE_MODE,
    METHOD_GUARD: METHOD_GUARD,
    END_SAME_AS_BEGIN: END_SAME_AS_BEGIN
});

// Grammar extensions / plugins
// See: https://github.com/highlightjs/highlight.js/issues/2833

// Grammar extensions allow "syntactic sugar" to be added to the grammar modes
// without requiring any underlying changes to the compiler internals.

// `compileMatch` being the perfect small example of now allowing a grammar
// author to write `match` when they desire to match a single expression rather
// than being forced to use `begin`.  The extension then just moves `match` into
// `begin` when it runs.  Ie, no features have been added, but we've just made
// the experience of writing (and reading grammars) a little bit nicer.

// ------

// TODO: We need negative look-behind support to do this properly
/**
 * Skip a match if it has a preceding dot
 *
 * This is used for `beginKeywords` to prevent matching expressions such as
 * `bob.keyword.do()`. The mode compiler automatically wires this up as a
 * special _internal_ 'on:begin' callback for modes with `beginKeywords`
 * @param {RegExpMatchArray} match
 * @param {CallbackResponse} response
 */
function skipIfhasPrecedingDot(match, response) {
  const before = match.input[match.index - 1];
  if (before === ".") {
    response.ignoreMatch();
  }
}


/**
 * `beginKeywords` syntactic sugar
 * @type {CompilerExt}
 */
function beginKeywords(mode, parent) {
  if (!parent) return;
  if (!mode.beginKeywords) return;

  // for languages with keywords that include non-word characters checking for
  // a word boundary is not sufficient, so instead we check for a word boundary
  // or whitespace - this does no harm in any case since our keyword engine
  // doesn't allow spaces in keywords anyways and we still check for the boundary
  // first
  mode.begin = '\\b(' + mode.beginKeywords.split(' ').join('|') + ')(?!\\.)(?=\\b|\\s)';
  mode.__beforeBegin = skipIfhasPrecedingDot;
  mode.keywords = mode.keywords || mode.beginKeywords;
  delete mode.beginKeywords;
}

/**
 * Allow `illegal` to contain an array of illegal values
 * @type {CompilerExt}
 */
function compileIllegal(mode, _parent) {
  if (!Array.isArray(mode.illegal)) return;

  mode.illegal = either(...mode.illegal);
}

/**
 * `match` to match a single expression for readability
 * @type {CompilerExt}
 */
function compileMatch(mode, _parent) {
  if (!mode.match) return;
  if (mode.begin || mode.end) throw new Error("begin & end are not supported with match");

  mode.begin = mode.match;
  delete mode.match;
}

/**
 * provides the default 1 relevance to all modes
 * @type {CompilerExt}
 */
function compileRelevance(mode, _parent) {
  // eslint-disable-next-line no-undefined
  if (mode.relevance === undefined) mode.relevance = 1;
}

// keywords that should have no default relevance value
const COMMON_KEYWORDS = [
  'of',
  'and',
  'for',
  'in',
  'not',
  'or',
  'if',
  'then',
  'parent', // common variable name
  'list', // common variable name
  'value' // common variable name
];

/**
 * Given raw keywords from a language definition, compile them.
 *
 * @param {string | Record<string,string>} rawKeywords
 * @param {boolean} caseInsensitive
 */
function compileKeywords(rawKeywords, caseInsensitive) {
  /** @type KeywordDict */
  const compiledKeywords = {};

  if (typeof rawKeywords === 'string') { // string
    splitAndCompile('keyword', rawKeywords);
  } else {
    Object.keys(rawKeywords).forEach(function(className) {
      splitAndCompile(className, rawKeywords[className]);
    });
  }
  return compiledKeywords;

  // ---

  /**
   * Compiles an individual list of keywords
   *
   * Ex: "for if when while|5"
   *
   * @param {string} className
   * @param {string} keywordList
   */
  function splitAndCompile(className, keywordList) {
    if (caseInsensitive) {
      keywordList = keywordList.toLowerCase();
    }
    keywordList.split(' ').forEach(function(keyword) {
      const pair = keyword.split('|');
      compiledKeywords[pair[0]] = [className, scoreForKeyword(pair[0], pair[1])];
    });
  }
}

/**
 * Returns the proper score for a given keyword
 *
 * Also takes into account comment keywords, which will be scored 0 UNLESS
 * another score has been manually assigned.
 * @param {string} keyword
 * @param {string} [providedScore]
 */
function scoreForKeyword(keyword, providedScore) {
  // manual scores always win over common keywords
  // so you can force a score of 1 if you really insist
  if (providedScore) {
    return Number(providedScore);
  }

  return commonKeyword(keyword) ? 0 : 1;
}

/**
 * Determines if a given keyword is common or not
 *
 * @param {string} keyword */
function commonKeyword(keyword) {
  return COMMON_KEYWORDS.includes(keyword.toLowerCase());
}

// compilation

/**
 * Compiles a language definition result
 *
 * Given the raw result of a language definition (Language), compiles this so
 * that it is ready for highlighting code.
 * @param {Language} language
 * @param {{plugins: HLJSPlugin[]}} opts
 * @returns {CompiledLanguage}
 */
function compileLanguage(language, { plugins }) {
  /**
   * Builds a regex with the cas