When launching ng serve, the namespace declaration is not explicitly specified, although intellisense is able to detect it

Recently, I've been delving into the Azure Atlas library and decided to create my custom typings for a third-party library. I crafted a typings file named atlas.d.ts within the project structure, which the intellisense in VS Code successfully detects and enables me to utilize the typings. However, when I attempt to run ng serve, an error crops up:

ReferenceError: atlas is not defined

My typings simply feature a namespace declaration as follows:

declare namespace atlas {
    // ... Additional interfaces and classes are listed here
}

I have extensively studied the documentation regarding the implementation of global namespaces or modules in TypeScript and also perused various Stack Overflow threads. Despite modifying the tsconfig to include the atlas.d.ts file (even though the Angular-CLI ts config typically incorporates all typings files automatically), I am unable to resolve this issue.

Any insights on why ng serve seems to be disregarding the typings? You can access the repository where I'm working on this here.

Answer №1

After troubleshooting, I found a solution to the issue at hand. It's interesting how things work out sometimes. Initially, I opted to lazy load dependency resources into my project only when the Atlas Map was going to be displayed. However, according to the Azure Atlas documentation here, I needed to include the Azure Maps Script and Stylesheet in the Head of my index.html file from the start. Even though I planned to do this dynamically, after manually adding these lines to the HEAD of my index.html file located at the root of the project, my defined atlas namespace started functioning correctly.

<link rel="stylesheet" href="https://atlas.microsoft.com/sdk/css/atlas.min.css?api-version=1" type="text/css" />
<script src="https://atlas.microsoft.com/sdk/js/atlas.min.js?api-version=1"></script>

I'm curious to understand why angular had trouble recognizing my namespace until I included the necessary library, even before it was actually utilized. If anyone has insights on this phenomenon, I'd love to hear them.

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