The future of TypeScript developers is a fascinating topic, as it's directly tied to the evolution of the broader web development ecosystem. TypeScript - a statically typed superset of JavaScript - has rapidly gained popularity since its introduction in 2012 by Microsoft. The demand for TypeScript developers has been following an upward trajectory, as businesses recognize the value of the enhanced productivity, scalability and maintainability that TypeScript brings to large codebases.

First, let's delve into the 'why' behind TypeScript's success. TypeScript enhances JavaScript with static types, enabling developers to catch bugs at compile-time rather than at runtime. This ability is a significant game-changer, especially for large, complex applications where runtime errors can be catastrophic. Additionally, TypeScript offers advanced IDE support, such as autocompletion and refactoring tools, that significantly boost developer productivity.

Another critical factor contributing to TypeScript's popularity is its strong alignment with ECMAScript, the standard upon which JavaScript is based. TypeScript follows a strict superset of the ECMAScript standard, which means all valid JavaScript code is also valid TypeScript code. This compatibility allows developers to gradually adopt TypeScript in their projects, reducing the barriers to entry.

With these benefits, one might question whether there are any tradeoffs involved. Like any technology, TypeScript does have its costs. The primary one is the added complexity and learning curve associated with static typing. However, the industry appears to have judged that these costs are far outweighed by the benefits, as evidenced by TypeScript's rapidly growing popularity.

So, what does the future hold for TypeScript developers? One trend that seems likely to continue is the deepening integration between TypeScript and popular JavaScript frameworks. Frameworks like Angular, Vue.js and React have been increasingly adopting TypeScript, which not only validates its benefits but also amplifies the demand for TypeScript developers.

As the web becomes more complex and applications more sophisticated, TypeScript's static typing and advanced tooling support might become the norm rather than the exception. Therefore, TypeScript developers who not only master the language but also understand its interplay with other technologies will be at a significant advantage.

It's also worth noting that as TypeScript gains mainstream acceptance, its evolution might well be influenced by broader industry trends. For example, the recent rise of WebAssembly - a compact binary format that allows high-performance execution in the web browser - might push TypeScript towards closer integration with system-level programming.

In conclusion, TypeScript's continued ascendancy seems likely, driven by its clear benefits in managing complexity and enhancing productivity in web development. However, as with all predictions, this anticipation is not without its uncertainties. As TypeScript developers, our best bet is to stay adaptable and continuously expand our skills to align with the evolving ecosystem.

While the future is never set in stone, the signs are clear that TypeScript will continue to play a significant role in the web development landscape. As we plunge into this exciting future, TypeScript developers are well-positioned at the forefront of these changes, shaping and being shaped by the evolution of web technology.