{"id":18524795,"url":"https://github.com/iminside/usemobx","last_synced_at":"2026-04-17T03:02:20.452Z","repository":{"id":234886332,"uuid":"784225453","full_name":"iminside/usemobx","owner":"iminside","description":"React hooks for define and use MobX 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What is it?\n\nReact hooks for define and use MobX primitives\n\n### Example\n\n```tsx\nimport { observer } from 'mobx-react-lite'\nimport { useObservable, useAction } from 'use-mobx'\n\nconst App = observer(() =\u003e {\n    const counter = useObservable(0)\n    const increment = useAction(() =\u003e counter(counter() + 1))\n\n    return (\n        \u003cdiv\u003e\n            \u003cp\u003eYou click {counter()} times\u003c/p\u003e\n            \u003cbutton onClick={increment}\u003eClick me\u003c/button\u003e\n        \u003c/div\u003e,\n    )\n})\n```\n\n#### Observable\n\n```tsx\nuseObservable\u003cT\u003e(value: T): Observable\u003cT\u003e\n```\n\n```tsx\nuseObservable\u003cT\u003e(value: T, deps: DependencyList): Observable\u003cT\u003e\n```\n\n```tsx\nuseObservable\u003cT\u003e(value: T, options: CreateObservableOptions): Observable\u003cT\u003e\n```\n\n```tsx\nuseObservable\u003cT\u003e(value: T, options: CreateObservableOptions, deps: DependencyList): Observable\u003cT\u003e\n```\n\n```tsx\n// create observable value\nconst counter = useObservable(1)\n\n// get value\ncounter()\n\n// set value\ncounter(2)\n```\n\n#### Computed\n\n```tsx\nuseComputed\u003cT\u003e(reducer: () =\u003e T): Computed\u003cT\u003e\n```\n\n```tsx\nuseComputed\u003cT\u003e(reducer: () =\u003e T, deps: DependencyList): Computed\u003cT\u003e\n```\n\n```tsx\nuseComputed\u003cT\u003e(reducer: () =\u003e T, options: IComputedValueOptions\u003cT\u003e): Computed\u003cT\u003e\n```\n\n```tsx\nuseComputed\u003cT\u003e(reducer: () =\u003e T, options: IComputedValueOptions\u003cT\u003e, deps: DependencyList): Computed\u003cT\u003e\n```\n\n```tsx\n// create computed value\nconst multiplied = useComputed(() =\u003e counter() * 2)\n\n// get value\nmultiplied()\n```\n\n#### Observable array\n\n```tsx\nuseObservableArray\u003cT\u003e(): ObservableArray\u003cT\u003e\n```\n\n```tsx\nuseObservableArray\u003cT\u003e(initialValues: T[]): ObservableArray\u003cT\u003e\n```\n\n```tsx\nuseObservableArray\u003cT\u003e(initialValues: T[], deps: DependencyList): ObservableArray\u003cT\u003e\n```\n\n```tsx\nuseObservableArray\u003cT\u003e(initialValues: T[], options: CreateObservableOptions): ObservableArray\u003cT\u003e\n```\n\n```tsx\nuseObservableArray\u003cT\u003e(initialValues: T[], options: CreateObservableOptions, deps: DependencyList): ObservableArray\u003cT\u003e\n```\n\n#### Observable Set\n\n```tsx\nuseObservableSet\u003cT\u003e(initialValues: IObservableSetInitialValues\u003cT\u003e): ObservableSet\u003cT\u003e\n```\n\n```tsx\nuseObservableSet\u003cT\u003e(initialValues: IObservableSetInitialValues\u003cT\u003e, deps: DependencyList): ObservableSet\u003cT\u003e\n```\n\n```tsx\nuseObservableSet\u003cT\u003e(initialValues: IObservableSetInitialValues\u003cT\u003e, options: CreateObservableOptions): ObservableSet\u003cT\u003e\n```\n\n```tsx\nuseObservableSet\u003cT\u003e(initialValues: IObservableSetInitialValues\u003cT\u003e, options: CreateObservableOptions, deps: DependencyList): ObservableSet\u003cT\u003e\n```\n\n#### Observable Map\n\n```tsx\nuseObservableMap\u003cK, V\u003e(initialValues: IObservableMapInitialValues\u003cK, V\u003e): ObservableMap\u003cK, V\u003e\n```\n\n```tsx\nuseObservableMap\u003cK, V\u003e(initialValues: IObservableMapInitialValues\u003cK, V\u003e, deps: DependencyList): ObservableMap\u003cK, V\u003e\n```\n\n```tsx\nuseObservableMap\u003cK, V\u003e(initialValues: IObservableMapInitialValues\u003cK, V\u003e, options: CreateObservableOptions): ObservableMap\u003cK, V\u003e\n```\n\n```tsx\nuseObservableMap\u003cK, V\u003e(initialValues: IObservableMapInitialValues\u003cK, V\u003e, options: CreateObservableOptions, deps: DependencyList): ObservableMap\u003cK, V\u003e\n```\n\n#### Box (like observable but not reactive, just a container)\n\n```tsx\nuseBox\u003cT\u003e(value: T, deps?: DependencyList): Box\u003cT\u003e\n```\n\n#### Action\n\n```tsx\nuseAction\u003cT\u003e(fn: (...args: any[])=\u003e T, deps?: DependencyList): (...args: any[])=\u003e T\n```\n\nYou can use generators to define the action, in which case you will get a mobx-flow\n\n```tsx\nuseAction\u003cT\u003e(fn: (...args: any[])=\u003e Generator\u003cT\u003e, deps?: DependencyList): (...args: any[])=\u003e CancellablePromise\u003cT\u003e\n```\n\n#### Reaction\n\n```tsx\nuseReaction\u003cT, FireImmediately extends boolean = false\u003e(fn: () =\u003e T, effect: (arg: T, prev: FireImmediately extends true ? T | undefined : T) =\u003e void): void;\n```\n\n```tsx\nuseReaction\u003cT, FireImmediately extends boolean = false\u003e(fn: () =\u003e T, effect: (arg: T, prev: FireImmediately extends true ? T | undefined : T) =\u003e void, deps: DependencyList): void\n```\n\n```tsx\nuseReaction\u003cT, FireImmediately extends boolean = false\u003e(fn: () =\u003e T, effect: (arg: T, prev: FireImmediately extends true ? T | undefined : T) =\u003e void, options: IReactionOptions\u003cT, FireImmediately\u003e): void\n```\n\n```tsx\nuseReaction\u003cT, FireImmediately extends boolean = false\u003e(fn: () =\u003e T, effect: (arg: T, prev: FireImmediately extends true ? T | undefined : T) =\u003e void, options: IReactionOptions\u003cT, FireImmediately\u003e, deps: DependencyList): void\n```\n\n#### Autorun\n\n```tsx\nuseAutorun(fn: () =\u003e void): void\n```\n\n```tsx\nuseAutorun(fn: () =\u003e void, deps: DependencyList): void\n```\n\n```tsx\nuseAutorun(fn: () =\u003e void, options: IAutorunOptions): void\n```\n\n```tsx\nuseAutorun(fn: () =\u003e void, options: IAutorunOptions, deps: DependencyList): void\n```\n\n#### When\n\n```tsx\nuseWhen(predicate: () =\u003e boolean, effect: () =\u003e void): void\n```\n\n```tsx\nuseWhen(predicate: () =\u003e boolean, effect: () =\u003e void, deps: DependencyList): void\n```\n\n```tsx\nuseWhen(predicate: () =\u003e boolean, effect: () =\u003e void, options: IWhenOptions): void\n```\n\n```tsx\nuseWhen(predicate: () =\u003e boolean, effect: () =\u003e void, options: IWhenOptions, deps: DependencyList): void\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fiminside%2Fusemobx","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fiminside%2Fusemobx","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fiminside%2Fusemobx/lists"}