Tracing module resolution As discussed earlier, the compiler can visit files outside the current folder when resolving a module. This can be

Write an HTML page Add a New Item named index.html inside wwwroot. Use the following code for index.html:

Symbol.isConcatSpreadable A Boolean value indicating that an object should be flatten to its array elements by Array.prototype

Symbol.search A regular expression method that returns the index within a string that matches the regular expression. Called by

Add TypeScript code Right click on scripts and click New Item. Then choose TypeScript File (it

Using Modules Just like namespaces, modules can contain both code and declarations. The main difference is that modules declare their

async/await support in ES6 targets (Node v4+) TypeScript now supports asynchronous functions for engines that have

Grunt

Initialize the project Now we’ll turn this folder into an npm package. npm

Definition File Theory: A Deep Dive Structuring modules to give the exact API shape you want can be tricky. For example, we might want a module