Objects

14 lessons

• 01Object Literal TypesLearn how to describe the shape of objects in TypeScript.
• 02Extra PropertiesUnderstand the rules for passing objects with additional properties.
• 03Optional Object PropertiesLearn how to define object properties that are not strictly required.
• 04Empty Object TypeUnderstand the behavior of the empty object type in TypeScript.
• 05Discriminated UnionsLearn how to use tag properties to handle complex object unions safely.
• 06SetsLearn how to manage collections of unique values in TypeScript.
• 07MapsLearn how to use typed key-value pairs with the Map collection.
• 08Dynamic KeysLearn how to use index signatures for objects with unknown property names.
• 09Dynamic Default PropertiesLearn how to combine required properties with dynamic index signatures.
• 10PropertyKeyUnderstand the built-in type for all valid JavaScript object keys.
• 11Readonly ModifierLearn how to make object properties immutable at compile-time.
• 12As Const and Object.freezeLearn how to enforce immutability at both compile-time and runtime.
• 13SatisfiesValidate a type while preserving the most specific inferred type information.
• 14Function OverloadsLearn how to define multiple signatures for a single function implementation.