{"id":15594950,"url":"https://github.com/innei/jojoo","last_synced_at":"2025-06-14T06:33:37.206Z","repository":{"id":190768281,"uuid":"681986685","full_name":"Innei/jojoo","owner":"Innei","description":"A utils and extra react hooks for Jotai v2.","archived":false,"fork":false,"pushed_at":"2024-07-08T10:03:50.000Z","size":689,"stargazers_count":17,"open_issues_count":1,"forks_count":0,"subscribers_count":2,"default_branch":"master","last_synced_at":"2025-04-21T16:48:24.337Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"TypeScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"other","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Innei.png","metadata":{"files":{"readme":"readme.md","changelog":"CHANGELOG.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2023-08-23T07:32:32.000Z","updated_at":"2025-03-13T02:46:44.000Z","dependencies_parsed_at":"2023-08-26T08:44:24.094Z","dependency_job_id":"b86cc7e9-b57a-4984-86b2-697050618796","html_url":"https://github.com/Innei/jojoo","commit_stats":null,"previous_names":["innei/jojoo"],"tags_count":18,"template":false,"template_full_name":"innei-template/rollup-typescript-lib","purl":"pkg:github/Innei/jojoo","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Innei%2Fjojoo","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Innei%2Fjojoo/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Innei%2Fjojoo/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Innei%2Fjojoo/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Innei","download_url":"https://codeload.github.com/Innei/jojoo/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Innei%2Fjojoo/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":259774597,"owners_count":22909163,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-10-03T00:42:21.762Z","updated_at":"2025-06-14T06:33:37.167Z","avatar_url":"https://github.com/Innei.png","language":"TypeScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Jojoo\n\nA utils and extra react hooks for Jotai v2.\n\n## Install\n\n```bash\npnpm i jojoo\n```\n\n## Usage\n\nIf you want to use custom store, should `setGlobalStore` first.\n\n```ts\nimport { setGlobalStore } from 'jojoo'\nimport { createStore, getDefaultStore } from 'jotai/vanilla'\n\n// if you use custom store\nconst store = createStore()\nsetGlobalStore(store)\n```\n\n### React Hooks\n\n#### `createAtomsContext`\n\nYou can use `createAtomsContext` to implement a simple Store. Pass in an object of atoms as state. An optional second argument is an action that accepts a context object. You can access the current scope's atoms through `ctx.atoms` and then change the value of an atom in the current context using `set`.\n\n\u003e [!NOTE]\n\u003e The `atoms` may not be the passed-in `globalAtoms`; they might be atoms that are overridden by a `Provider`. See [createOverrideAtomsContext](#createOverrideAtomsContext) for details.\n\nHere is a simple example:\n\n```tsx\nimport 'jojoo/react'\n\nconst globalAtoms = {\n  aAtom: atom(0),\n  bAtom: atom(false),\n}\n\nconst context = createAtomsContext(globalAtoms, (ctx) =\u003e {\n  const { atoms, set } = ctx\n  return {\n    increment: () =\u003e {\n      set(atoms.aAtom, (current) =\u003e current + 1)\n    },\n  }\n})\n\nconst [Provider, hooks, atoms, actions] = context\nconst [useContextAtoms, useStoreValue, useContextActions] = hooks\n\n// Wrap `Provider` for your component\n\nconst App = () =\u003e {\n  return (\n    \u003cProvider\u003e\n      \u003cCount /\u003e\n      \u003cIncrementButton /\u003e\n    \u003c/Provider\u003e\n  )\n}\n\nconst Count = () =\u003e {\n  const aCount = useStoreValue('aAtom')\n  return \u003cspan\u003e{aCount}\u003c/span\u003e\n}\n\nconst IncrementButton = () =\u003e {\n  const inc = useContextActions().increment\n  return \u003cbutton onClick={inc}\u003ePlus\u003c/button\u003e\n}\n```\n\nYou can directly call `actions` returned by `createAtomsContext` outside of the component.\n\n```tsx\nconst context = createAtomsContext(globalAtoms, (ctx) =\u003e {\n  const { atoms, set } = ctx\n  return {\n    increment: () =\u003e {\n      set(atoms.aAtom, (current) =\u003e current + 1)\n    },\n  }\n})\n\nconst [Provider, hooks, atoms, actions] = context\n\n// not in React component.\n// do something..\nactions.increment()\n```\n\n#### `createOverrideAtomsContext`\n\nIn some cases, atoms created via `createAtomsContext` are used to manage data in a global store, which might be a global post state manager. However, when there exists a nested post on the page, you can't manage them globally.\n\nAt this point, you can use `createOverrideAtomsContext` to isolate global states, enabling state isolation between child components.\n\nHere is a simple example:\n\n```tsx\nconst context = createAtomsContext(\n  {\n    postId: atom('0'),\n    text: atom('global post text'),\n  },\n  ({ atoms, set }) =\u003e {\n    return {\n      setText: (text: string) =\u003e {\n        set(atoms.text, text)\n      },\n    }\n  },\n)\n\nconst [GlobalDataProvider, [useAtoms, useDataValue, useDataActions]] = context\nconst OverrideProvider = createOverrideAtomsContext(context, {\n  text: atom('override post text'),\n  postId: atom('1'),\n})\n\nconst DataRender: FC\u003c{}\u003e = ({ testId }) =\u003e {\n  const text = useDataValue('text')\n  const id = useDataValue('postId')\n  return (\n    \u003cdiv\u003e\n      \u003cp\u003e\n        Data Id:\n        \u003cspan\u003e{id}\u003c/span\u003e\n      \u003c/p\u003e\n\n      \u003cp\u003e\n        Data Text:\n        \u003cspan\u003e{text}\u003c/span\u003e\n      \u003c/p\u003e\n    \u003c/div\u003e\n  )\n}\n\nconst DataActions: FC\u003c\u003e = (props) =\u003e {\n  const { testId } = props\n  const { setText } = useDataActions()\n  const text = useDataValue('text')\n  return (\n    \u003cdiv\u003e\n      \u003cbutton onClick={() =\u003e setText(`${text} updated`)}\u003e\u003c/button\u003e\n    \u003c/div\u003e\n  )\n}\n\n// ReactNode structure like:\nconst App = () =\u003e (\n  \u003cGlobalDataProvider\u003e\n    \u003cDataRender /\u003e\n    \u003cDataActions /\u003e\n\n    \u003cOverrideProvider\u003e\n      \u003cDataRender /\u003e\n      \u003cDataActions /\u003e\n    \u003c/OverrideProvider\u003e\n  \u003c/GlobalDataProvider\u003e\n)\n```\n\nChild components wrapped by `OverrideProvider` will use the overridden atoms, isolated from global atoms. Of course, you can also use it in a nested manner.\n\n```jsx\n// ReactNode structure like:\n;\u003cGlobalDataProvider\u003e\n  \u003cDataRender /\u003e\n  \u003cDataActions /\u003e\n\n  \u003cOverrideProvider\u003e\n    \u003cDataRender /\u003e\n    \u003cDataActions /\u003e\n\n    \u003cOverrideProvider\u003e\n      \u003cDataRender /\u003e\n      \u003cDataActions /\u003e\n    \u003c/OverrideProvider\u003e\n  \u003c/OverrideProvider\u003e\n\u003c/GlobalDataProvider\u003e\n```\n\n#### `createModelDataContext`\n\nCreate a dataset context through `createModelDataContext`, which can manage data with Jotai, and then pass it to descendants through React.context. Utilize the feature of React.context to isolate state in multiple scenarios.\n\nA simple usage example:\n\n```tsx\ninterface NoteModel {\n  title: string\n}\n\nconst {\n  ModelDataProvider,\n  ModelDataAtomProvider,\n  getGlobalModelData: getModelData,\n  setGlobalModelData: setModelData,\n  useModelDataSelector,\n  useSetModelData,\n} = createModelDataProvider\u003cNoteModel\u003e()\n\nexport {\n  ModelDataProvider as CurrentNoteDataProvider,\n  ModelDataAtomProvider as CurrentNoteDataAtomProvider,\n  getModelData as getCurrentNoteData,\n  setModelData as setCurrentNoteData,\n  useModelDataSelector as useCurrentNoteDataSelector,\n  useSetModelData as useSetCurrentNoteData,\n}\n\nconst App = () =\u003e {\n  return (\n    \u003c\u003e\n      \u003cCurrentNoteDataProvider data={data} /\u003e\n      \u003cDataRender /\u003e\n    \u003c/\u003e\n  )\n}\n\nconst DataRender = () =\u003e {\n  const title = useCurrentNoteDataSelector((n) =\u003e n.title)\n  return \u003cspan\u003e{title}\u003c/span\u003e\n}\n```\n\nYou can also use `ModelDataAtomProvider` for scope isolation. In this way, the internal data of `ModelData` in both `App` and `AnotherData` are completely independent.\n\n```tsx\nconst App = () =\u003e (\n  \u003c\u003e\n    \u003cCurrentNoteDataProvider data={data} /\u003e\n    \u003cDataRender /\u003e\n    \u003cAnotherData /\u003e\n  \u003c/\u003e\n)\n\nconst AnotherData = () =\u003e {\n  const overrideAtom = useMemo(() =\u003e atom(null as null | NoteModel), [])\n\n  return (\n    \u003cCurrentNoteDataAtomProvider overrideAtom={overrideAtom}\u003e\n      \u003cCurrentNoteDataProvider data={data} /\u003e\n      \u003cDataRender /\u003e\n    \u003c/CurrentNoteDataAtomProvider\u003e\n  )\n}\n```\n\n## License\n\n2023 © Innei, Released under the MIT License.\n\n\u003e [Personal Website](https://innei.in/) · GitHub [@Innei](https://github.com/innei/)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Finnei%2Fjojoo","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Finnei%2Fjojoo","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Finnei%2Fjojoo/lists"}