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Introduction:
Angular, the popular front-end framework maintained by Google, continues to evolve with regular updates and improvements. Angular 11 is the latest release, bringing a host of new features, enhancements, and optimizations to help developers build powerful and performant web applications. In this article, we’ll explore the key features and updates introduced in Angular 11 and how they can benefit developers.
- Faster Builds with TypeScript 4.0: Angular 11 introduces support for TypeScript 4.0, the latest version of the TypeScript language. TypeScript 4.0 comes with various performance improvements, optimizations, and new features such as variadic tuple types, labeled tuple elements, and more. By leveraging TypeScript 4.0, Angular 11 offers faster build times, improved type checking, and enhanced developer productivity.
- Component Test Harnesses: Angular 11 introduces Component Test Harnesses, a new testing utility for Angular Material components. Component Test Harnesses provide a robust and reliable way to interact with Angular Material components in unit tests, allowing developers to simulate user interactions, query component properties, and verify component behavior more effectively. With Component Test Harnesses, developers can write comprehensive and maintainable tests for Angular Material components with ease.
- Improved Reporting and Logging: Angular 11 enhances the reporting and logging capabilities of the Angular CLI, making it easier to diagnose and troubleshoot issues during development. The ngcc (Angular Compatibility Compiler) now generates detailed reports that highlight any compatibility issues or warnings when processing third-party libraries. Additionally, the Angular CLI includes improvements to error messages, diagnostics, and logging output, providing developers with clearer and more actionable feedback.
- Updated ESLint Configuration: Angular 11 updates the ESLint configuration used by the Angular CLI to align with the latest best practices and recommendations for linting TypeScript code. The updated ESLint configuration includes new rules, optimizations, and defaults that help maintain code quality, consistency, and readability. By leveraging ESLint in Angular projects, developers can catch potential errors, enforce coding conventions, and improve overall code quality more effectively.
- Optional Stricter Settings: Angular 11 introduces optional stricter settings that allow developers to enable stricter type checking and compiler flags selectively based on project requirements and preferences. By enabling stricter settings, developers can catch more type-related errors at compile-time, ensure better type safety, and enforce stricter coding standards across their Angular projects. Optional stricter settings provide flexibility and granularity in configuring the level of type checking and enforcement desired for each project.
- Deprecation of Legacy View Engine: Angular 11 marks the deprecation of the legacy View Engine compiler and runtime, signaling the transition towards the Ivy rendering engine as the default in future releases. While the View Engine will continue to be supported in Angular 11, developers are encouraged to migrate their projects to Ivy to take advantage of its improved performance, smaller bundle sizes, and enhanced features. The deprecation of the legacy View Engine paves the way for a more streamlined and optimized development experience with Ivy.
Conclusion:
Angular 11 introduces several exciting features, updates, and optimizations that enhance the development experience and empower developers to build modern, performant web applications with ease. From faster builds with TypeScript 4.0 to improved testing with Component Test Harnesses and enhanced reporting and logging capabilities, Angular 11 offers a range of benefits for developers. By staying up-to-date with the latest Angular releases and leveraging the new features and updates introduced in Angular 11, developers can unlock new possibilities and deliver exceptional user experiences in their Angular projects.
