Generics Don’t ever have a generic type which doesn’t use its type parameter. See more details in

Test Run the project. You should see a message when you type in the input boxes:

Add TypeScript The next step is to add a folder for TypeScript.

// Type definitions for [~THE LIBRARY NAME~] [~OPTIONAL VERSION NUMBER~] // Project: [~THE PROJECT NAME~] // Definitions by: [~YOUR

Babel First install Babelify and the Babel preset for ES2015. Like Uglify, Babelify mangles code, so we’ll need vinyl-buffer and gulp-sourcemaps

this Learning how to use this in JavaScript is something of a rite of passage. Since TypeScript is a superset of

Create a gulpfile.js In the project root, create the file gulpfile.js:

webpack

Symbol.split A regular expression method that splits a string at the indices that match the regular expression. Called by the

Boolean The most basic datatype is the simple true/false value, which JavaScript and TypeScript call a boolean value.