The article discusses a method to load application configuration before Angular's bootstrapping process starts, ensuring that settings are available immediately without any flickering or undefined errors. This approach involves fetching a JSON file containing environment-specific configurations in main.ts and using a "smart" pre-flight boot mechanism. It highlights benefits such as zero-flickering startup experience, no need for conditional checks on configuration availability, and the ability to switch between different environments simply by swapping out the JSON file. The technique aims at creating a more robust, flexible, and predictable system compared to traditional methods of loading configurations after Angular has started.
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