fix(options): Increase argument options reader discover event priority

Previously the arguments reader would run after both the tsconfig and typedoc readers. However, both of those readers rely on event data such as "-options" that is parsed by the arguments reader which leads to issues when trying to point to a given config using a CLI argument.

Author: Pat Herlihy

src/lib/application.ts

@@ -115,7 +115,7 @@ export class Application extends ChildableComponent<Application, AbstractCompone
         }
 
         this.plugins.load();
-        return this.options.read(options, OptionsReadMode.Fetch);
+        return this.options.read(this.options.getRawValues(), OptionsReadMode.Fetch);
     }
 
     /**

src/lib/utils/options/readers/arguments.ts

@@ -58,7 +58,7 @@ export class ArgumentsReader extends OptionsComponent {
                 files.push(arg);
             }
         }
-        if (files) {
+        if (files && files.length > 0) {
             event.inputFiles = files;
         }
     }

src/lib/utils/options/readers/tsconfig.ts

@@ -4,7 +4,7 @@ import * as _ from 'lodash';
 import * as ts from 'typescript';
 
 import { Component, Option } from '../../component';
-import { OptionsComponent, DiscoverEvent } from '../options';
+import { OptionsComponent, OptionsReadMode, DiscoverEvent } from '../options';
 import { ParameterType, ParameterHint } from '../declaration';
 import { TypeScriptSource } from '../sources/typescript';
 
@@ -35,6 +35,11 @@ export class TSConfigReader extends OptionsComponent {
     }
 
     onDiscover(event: DiscoverEvent) {
+        // Do nothing until were fetching options
+        if (event.mode !== OptionsReadMode.Fetch) {
+            return;
+        }
+
         if (TSConfigReader.OPTIONS_KEY in event.data) {
             this.load(event, Path.resolve(event.data[TSConfigReader.OPTIONS_KEY]));
         } else if (TSConfigReader.PROJECT_KEY in event.data) {

src/lib/utils/options/readers/typedoc.ts

@@ -3,7 +3,7 @@ import * as FS from 'fs';
 import * as _ from 'lodash';
 
 import { Component, Option } from '../../component';
-import { OptionsComponent, DiscoverEvent } from '../options';
+import { OptionsComponent, OptionsReadMode, DiscoverEvent } from '../options';
 import { ParameterType, ParameterHint } from '../declaration';
 
 @Component({name: 'options:typedoc'})
@@ -26,6 +26,11 @@ export class TypedocReader extends OptionsComponent {
     }
 
     onDiscover(event: DiscoverEvent) {
+        // Do nothing until were fetching options
+        if (event.mode !== OptionsReadMode.Fetch) {
+            return;
+        }
+
         if (TypedocReader.OPTIONS_KEY in event.data) {
             this.load(event, Path.resolve(event.data[TypedocReader.OPTIONS_KEY]));
         } else if (this.application.isCLI) {