fix: add missing dependency typedoc

Fixes #5

src/common.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2018-2019 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -129,7 +129,13 @@ export function getProjectReflection(srcPath: PathLike): ProjectReflection {
   const inputFiles = app.expandInputFiles([srcPath.toString()]);
 
   // get project reflection from input files
-  return app.convert(inputFiles);
+  const result = app.convert(inputFiles);
+
+  if (typeof result === 'undefined') {
+    throw new Error('Project reflection could not be generated.');
+  }
+
+  return result;
 }
 
 /**

src/routes.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2018-2019 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -29,6 +29,10 @@ import {RouteWithMetaInformation} from './common';
 export async function gatherRouteInformation(reflection: ProjectReflection): Promise<RouteWithMetaInformation[]> {
   const routes: RouteWithMetaInformation[] = [];
 
+  if (!Array.isArray(reflection.children)) {
+    throw new Error('Project reflection doesn\'t contain any modules.');
+  }
+
   await asyncPool(2, reflection.children, async (module: any) => {
     if (Array.isArray(module.children) && module.children.length > 0) {
       await asyncPool(2, module.children, (async (node: any) => {
@@ -49,6 +53,10 @@ export async function gatherRouteInformation(reflection: ProjectReflection): Pro
     }
   });
 
+  if (routes.length === 0) {
+    throw new Error('No route information found.');
+  }
+
   return routes;
 }
 
@@ -163,6 +171,10 @@ export function generateDocumentationForRoute(routeWithInfo: RouteWithMetaInform
 export function getNodeMetaInformationMap(projectReflection: ProjectReflection): NodesWithMetaInformation {
   const nodes: NodesWithMetaInformation = {};
 
+  if (typeof projectReflection.children === 'undefined') {
+    throw new Error('Project reflection doesn\'t contain any modules.');
+  }
+
   // iterate over modules
   projectReflection.children.forEach((module: any) => {
     if (Array.isArray(module.children) && module.children.length > 0) {

src/schema.ts

@@ -108,6 +108,10 @@ export class Converter {
 export function getValidatableTypesFromReflection(projectReflection: ProjectReflection): string[] {
   const validatableTypes: string[] = [];
 
+  if (typeof projectReflection.children === 'undefined') {
+    throw new Error('Project reflection doesn\'t contain any modules.');
+  }
+
   // iterate over modules
   projectReflection.children.forEach((module) => {
     if (Array.isArray(module.children) && module.children.length > 0) {