{"id":23749667,"url":"https://github.com/rajaniraiyn/react-alien-signals","last_synced_at":"2025-06-11T19:35:00.881Z","repository":{"id":269748448,"uuid":"908344713","full_name":"Rajaniraiyn/react-alien-signals","owner":"Rajaniraiyn","description":"Alien React Signals is a TypeScript library that provides state management APIs built on top of Alien Signals. 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It offers a seamless integration with React, ensuring concurrency-safe re-renders without tearing.\n\n## Table of Contents\n\n\u003cdetails\u003e\n    \u003csummary\u003eClick to expand\u003c/summary\u003e\n\n- [Features](#features)\n- [Installation](#installation)\n- [Usage](#usage)\n  - [Basic Signals](#basic-signals)\n  - [Computed Signals](#computed-signals)\n  - [Effects \u0026 Effect Scopes](#effects--effect-scopes)\n- [React Hooks](#react-hooks)\n- [Contributing](#contributing)\n- [License](#license)\n- [Acknowledgements](#acknowledgements)\n\n\u003c/details\u003e\n\n## Features\n\n- **Basic Signals**: Create and manage reactive state with `createSignal`\n- **Computed Signals**: Derive reactive values based on other signals using `createComputed`\n- **Effects \u0026 Effect Scopes**: Run side effects in response to state changes with `createEffect` and manage multiple effects with `createSignalScope`\n- **React Integration**: Utilize hooks like `useSignal`, `useSignalValue`, and `useSetSignal` for seamless state management\n- **TypeScript Support**: Fully typed APIs for type safety and IntelliSense\n\n## Installation\n\nInstall `react-alien-signals` and its peer dependency `alien-signals` via npm:\n\n```bash\nnpm install react-alien-signals alien-signals\n```\n\n## Usage\n\n### Basic Signals\n\nCreate a writable signal and use it within your components:\n\n```tsx\nimport { createSignal, useSignal } from \"react-alien-signals\";\n\nconst count = createSignal(0);\n\nfunction Counter() {\n  const [value, setValue] = useSignal(count);\n  \n  return (\n    \u003cbutton onClick={() =\u003e setValue(value + 1)}\u003e\n      Count: {value}\n    \u003c/button\u003e\n  );\n}\n```\n\n### Computed Signals\n\nCreate derived state that automatically updates:\n\n```tsx\nimport { createSignal, createComputed, useSignalValue } from \"react-alien-signals\";\n\nconst count = createSignal(1);\nconst double = createComputed(() =\u003e count() * 2);\n\nfunction Display() {\n  const doubleValue = useSignalValue(double);\n  return \u003cdiv\u003eDouble: {doubleValue}\u003c/div\u003e;\n}\n```\n\n### Effects \u0026 Effect Scopes\n\nRun side effects in response to signal changes:\n\n```tsx\nimport { createSignal, createEffect, useSignalScope } from \"react-alien-signals\";\n\nconst count = createSignal(0);\n\nfunction Logger() {\n  useSignalScope(() =\u003e {\n    createEffect(() =\u003e {\n      console.log('Count changed:', count());\n    });\n  });\n  \n  return null;\n}\n```\n\n## React Hooks\n\nReact Alien Signals provides several hooks to interact with signals:\n\n- `useSignal(signal)`: Returns `[value, setValue]` tuple for reading and writing\n- `useSignalValue(signal)`: Returns the current value (read-only)\n- `useSetSignal(signal)`: Returns a setter function (write-only)\n- `useSignalEffect(effectFn)`: Runs a side effect based on signal changes\n- `useSignalScope(callback)`: Manages effect scopes within a component\n- `useComputed(getter)`: Creates and subscribes to a computed signal\n\n## Contributing\n\nContributions are welcome! Please read the [Contributing Guidelines](CONTRIBUTING.md) before getting started.\n\n## License\n\n[MIT](LICENSE)\n\n## Acknowledgements\n\n- [Alien Signals](https://github.com/stackblitz/alien-signals) by [StackBlitz](https://stackblitz.com) for the foundational signal implementation\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frajaniraiyn%2Freact-alien-signals","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Frajaniraiyn%2Freact-alien-signals","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Frajaniraiyn%2Freact-alien-signals/lists"}