feat(@schematics/angular): Update aliases to all use single character

packages/schematics/angular/app-shell/schema.json

@@ -95,7 +95,7 @@
       "format": "path",
       "description": "The path of the source directory.",
       "default": "src",
-      "alias": "sd"
+      "alias": "D"
     }
   },
   "required": [

packages/schematics/angular/application/index_spec.ts

@@ -114,4 +114,10 @@ describe('Application Schematic', () => {
     const content = tree.readContent(path);
     expect(content).toMatch(/import { AppComponent } from \'\.\/app\.component\';/);
   });
+
+  it('should use the directory option', () => {
+    const options = { ...defaultOptions, directory: 'my-dir' };
+    const tree = schematicRunner.runSchematic('application', options);
+    expect(tree.exists('/my-dir/package.json')).toEqual(true);
+  });
 });

packages/schematics/angular/application/schema.json

@@ -7,8 +7,7 @@
     "directory": {
       "type": "string",
       "format": "path",
-      "description": "The directory name to create the app in.",
-      "alias": "dir"
+      "description": "The directory name to create the app in."
     },
     "path": {
       "type": "string",
@@ -22,7 +21,7 @@
       "format": "path",
       "description": "The path of the source directory.",
       "default": "src",
-      "alias": "sd",
+      "alias": "D",
       "visible": false
     },
     "name": {
@@ -34,13 +33,13 @@
       "description": "Specifies if the style will be in the ts file.",
       "type": "boolean",
       "default": false,
-      "alias": "is"
+      "alias": "s"
     },
     "inlineTemplate": {
       "description": "Specifies if the template will be in the ts file.",
       "type": "boolean",
       "default": false,
-      "alias": "it"
+      "alias": "t"
     },
     "viewEncapsulation": {
       "description": "Specifies the view encapsulation strategy.",
@@ -73,7 +72,7 @@
       "description": "Skip creating spec files.",
       "type": "boolean",
       "default": false,
-      "alias": "st"
+      "alias": "S"
     },
     "skipInstall": {
       "description": "Skip installing dependency packages.",
@@ -90,7 +89,7 @@
       "description": "Skip initializing a git repository.",
       "type": "boolean",
       "default": false,
-      "alias": "sg"
+      "alias": "g"
     },
     "commit": {
       "description": "Initial repository commit information.",

packages/schematics/angular/component/schema.json

@@ -16,7 +16,7 @@
       "format": "path",
       "description": "The path of the source directory.",
       "default": "src",
-      "alias": "sd",
+      "alias": "D",
       "visible": false
     },
     "appRoot": {
@@ -33,26 +33,26 @@
       "description": "Specifies if the style will be in the ts file.",
       "type": "boolean",
       "default": false,
-      "alias": "is"
+      "alias": "s"
     },
     "inlineTemplate": {
       "description": "Specifies if the template will be in the ts file.",
       "type": "boolean",
       "default": false,
-      "alias": "it"
+      "alias": "t"
     },
     "viewEncapsulation": {
       "description": "Specifies the view encapsulation strategy.",
       "enum": ["Emulated", "Native", "None"],
       "type": "string",
-      "alias": "ve"
+      "alias": "v"
     },
     "changeDetection": {
       "description": "Specifies the change detection strategy.",
       "enum": ["Default", "OnPush"],
       "type": "string",
       "default": "Default",
-      "alias": "cd"
+      "alias": "c"
     },
     "prefix": {
       "type": "string",

packages/schematics/angular/universal/schema.json

@@ -81,7 +81,7 @@
       "format": "path",
       "description": "The path of the source directory.",
       "default": "src",
-      "alias": "sd"
+      "alias": "D"
     }
   },
   "required": [