Hacky vuex-module-decorators fix for preserveState

vuex-module-decorators.d.ts

import { Module, VuexModule, Mutation, Action } from 'vuex-module-decorators'
type ModulePreserveState = Module
export { Module, ModulePreserveState, VuexModule, Mutation, Action }

vuex-module-decorators.js

import { Module, VuexModule, Mutation, Action } from 'vuex-module-decorators'

let origModule = Module

Module = function(modOrOpt){
	if (typeof (modOrOpt) === 'function') {
		origModule({})(modOrOpt);
	} else {
		if (modOrOpt && modOrOpt.dynamic) {
			let orig = modOrOpt.store.registerModule;
			modOrOpt.store.registerModule = function registerModuleHack(a,b,c){
				if(typeof c === 'undefined') {
					c = { preserveState: false }
				}
				return orig.call(this,a,b,c);
			}
		}
		return origModule(modOrOpt)
	}
}

ModulePreserveState = function(modOrOpt){
	if (typeof (modOrOpt) === 'function') {
		origModule({})(modOrOpt);
	} else {
		if (modOrOpt && modOrOpt.dynamic) {
			let orig = modOrOpt.store.registerModule;
			modOrOpt.store.registerModule = function registerModuleHack(a,b,c){
				if(typeof c === 'undefined') {
					c = { preserveState: true }
				}
				return orig.call(this,a,b,c);
			}
		}
		return origModule(modOrOpt)
	}
}

export {Module, ModulePreserveState, VuexModule, Mutation, Action}