The Extension Object pattern allows adding functionality to existing classes without modifying their source code, using a separate “extension” class that holds the new methods. This is particularly useful when you can’t or don’t want to alter the original class, perhaps because it’s from a …

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The Extension Object pattern allows adding new functionality to an existing object without modifying its core code. This is achieved by creating a separate “extension” object that holds the new methods, and then composing the original object with the extension. This promotes the Open/Closed Principle – open …

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The Extension Object pattern allows you to add new functionality to objects without modifying their original code. This is achieved by creating a separate object that contains the new methods, and then using techniques like Object.assign or spreading to merge the extension object’s properties into the target …

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The Extension Object pattern allows adding new functionality to an existing class without modifying its code. This is achieved by creating a separate “extension” class that holds the new methods and data, and then composing the extension into the original object. This promotes the Open/Closed Principle – …

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The Extension Object pattern allows adding functionality to an object without modifying its core class. It achieves this by creating a separate “extension” object that holds the additional behavior and is associated with the original object. This is particularly useful when you have a class with many …

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