TinyMCE typings (WIP) (#13728)

* TinyMCE typings

* TinyMCE declaration file

* Update tsconfig.json

Changed `strictNullChecks` to true and added `noImplicitThis`

* Update index.d.ts

Added namespace

* Update index.d.ts

tinymce/index.d.ts

@@ -0,0 +1,44 @@
+// Type definitions for TinyMCE 4.5
+// Project: https://github.com/tinymce/tinymce
+// Definitions by: Martin Duparc <https://github.com/martinduparc/>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+// Work In Progress
+
+declare namespace TinyMCE {
+  export interface Observable {
+    off: (name?: string, callback?: () => void) => any;
+    on: (name: string, callback: () => void) => any;
+    fire: (name: string, args?: any, bubble?: boolean) => Event;
+  }
+
+  export interface Editor extends Observable {
+    destroy: (automatic: boolean) => void;
+    remove: () => void;
+    hide: () => void;
+    show: () => void;
+    getContent: (args?: any) => string;
+    setContent: (content: string, args?: any) => string;
+    focus: (skip_focus?: boolean) => void;
+    undoManager: UndoManager;
+    settings: any;
+    getDoc: () => Document;
+    editorUpload: any;
+  }
+
+  export interface UndoManager {
+    undo: () => any;
+    clear: () => void;
+    hasUndo: () => boolean;
+  }
+
+  export interface Static extends Observable {
+    init: (settings: any) => void;
+    execCommand: (c: string, u: boolean, v: string) => boolean;
+    activeEditor: Editor;
+    get: (id: string) => Editor;
+    triggerSave: () => void;
+  }
+}
+
+declare var tinymce: TinyMCE.Static;

tinymce/tinymce-tests.ts

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+tinymce.init(
+  {
+    selector: '.tinymce-editable',
+    height: 145,
+    plugins: [
+      'autolink table contextmenu paste code link textcolor colorpicker image imagetools'
+    ],
+    menubar: 'edit insert table tools',
+    toolbar: 'undo redo | styleselect bold italic forecolor backcolor | alignleft aligncenter alignright alignjustify | bullist numlist | link image',
+    content_css: 'page.css'
+  }
+);

tinymce/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "noImplicitAny": true,
+        "strictNullChecks": true,
+        "noImplicitThis": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "tinymce-tests.ts"
+    ]
+}

tinymce/tslint.json

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+{ "extends": "../tslint.json" }