I have installed a .d.ts file (namely, type definitions for p2.js library) as external (non-global) typings module with the following command:  typings install p2=github:schteppe/p2.js/index.d.ts#9d56924   I then use it in my TypeScript code like thi...

I have an external JS library with a global parameter:  function Thing() {  ...  } ... var thing = new Thing();   There is a TypeScript definition file, so in thing.d.ts:  declare var thing: ThingStatic; export default thing;  export interface ThingS...

I want to insert duplicate values into array based on length provided like this:  var a = [{displayName: 'bar'}, {displayName:'google'}, {displayName:'mod'}];; var dataTypesLength= 4;   Output should be like:  var a = [{displa...

Is there a way to change the type of interface property defined in a *.d.ts in typescript?  for example: An interface in x.d.ts is defined as    interface A {   property: number; }   I want to change it in the typescript files that I write to   inter...

Problem  I am working on JavaScript project using VSCode. I am using the UMD design pattern and vscode intellisense cannot recognize the exports of a module from another file. I added all the declarations in a file called globals.d.ts. Unfortunately...

For a long time we've been having a problem that the only way to access a nested property safely and easily is to use _.get. Ex:  _.get(obj, "Some.Nested[2].Property", defaultValue);   This works great, but doesn't stand up to propert...

Input JSON:   {   "some_field":"some value" }   Type to be used for mapping:  export inteface SomeType {   someField:string; }   How can the mapping between JSON and TypeScript type be configured so that some_field -> someField?...

Why even in strict mode TypeScript is not complaining about this    function test(firstName: string, lastName?: string): string {     return firstName + " " + lastName; }  test('John');     Nor about this    const str: string = '&...

Since I am using webresource in my CRM functionality I need to use   window.parent.Xrm.Page...etc    to access entity data.   Unfortunately, as I write in typescript, this construction won't compile. For now I just add window.parent before Xrm.Pa...

I am creating a simple task demo and making the taskNameInput component. You can see a couple ways I've tried to approach this, but I keep getting errors. How to  for React with Typescript?  You can see my repo for my tsconfig.json and tslint.jso...