Provider pattern
The provider pattern is a design pattern in which a component or service makes shared data or capabilities available to descendant components or dependent consumers.
React in Depth
The Provider pattern is a component-structuring pattern in which a provider supplies shared values to descendant components, commonly through React context.
- How it is used
- Distributes related state and actions through React component hierarchies for local or application-wide concerns.
- How deep it goes
- Builds from a multi-value context to a dedicated provider and introduces selective consumption; defers broader state-management comparisons.
- Examples
- Uses a dark-mode toggle, a persistent data provider with focused access hooks, and isolated tests with mock context values.
- What you can do after
- Build it from scratch with a dedicated React provider and consumer hooks, then test consumers under supplied context values.
React Quickly, Second Edition
The provider pattern is a design pattern in which a provider makes a value or service available to components in a descendant hierarchy.
- How it is used
- Avoids prop drilling by making values or actions available to descendant React components.
- How deep it goes
- Works through context creation, provider placement, consumption, defaults, and multiple providers, then extends the pattern to stateful values.
- Examples
- Uses a dashboard name, menu links, button border widths, and nested task-manager actions.
- What you can do after
- Build it from scratch with React Context to share a value across descendants and extend it with state and update functions.
Read how React Quickly, Second Edition explains provider pattern →
Related concepts
- stateuses · State is information or a configuration describing the condition of a system, entity, or computation at a particular time and potentially influencing subsequent behavior or decisions.
- React contextuses · React context is a mechanism for making values available to descendant components without explicitly passing them through intermediate components.
- component re-renderingproduces · Component re-rendering is the repeated execution of a component’s rendering logic to produce updated user-interface output after relevant data changes.
- design patternkind of · A design pattern is a reusable, general solution structure for a recurring software design problem in a particular context.
- context valueproduces · A context value is data supplied by a React context provider and made available to descendant components that consume that context.
- useContextused by · useContext is a React Hook that reads the current value of a context from the nearest matching provider or its default value.
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