@bjoerge/mutiny/dist/_unstable_apply.cjs.map

Tiny toolkit for working with Sanity mutations in JavaScript & TypeScript

{"version":3,"file":"_unstable_apply.cjs","sources":["../src/apply/applyInCollection.ts","../src/apply/store/store.ts","../src/apply/applyInIndex.ts"],"sourcesContent":["import {\n  type CreateIfNotExistsMutation,\n  type CreateMutation,\n  type CreateOrReplaceMutation,\n  type DeleteMutation,\n  type Mutation,\n  type PatchMutation,\n  type SanityDocumentBase,\n} from '../mutations/types'\nimport {arrify} from '../utils/arrify'\nimport {applyPatchMutation} from './applyPatchMutation'\nimport {splice} from './utils/array'\n\nexport function applyInCollection<Doc extends SanityDocumentBase>(\n  collection: Doc[],\n  mutations: Mutation | Mutation[],\n) {\n  const a = arrify(mutations) as Mutation[]\n  return a.reduce((prev, mutation) => {\n    if (mutation.type === 'create') {\n      return createIn(prev, mutation)\n    }\n    if (mutation.type === 'createIfNotExists') {\n      return createIfNotExistsIn(prev, mutation)\n    }\n    if (mutation.type === 'delete') {\n      return deleteIn(prev, mutation)\n    }\n    if (mutation.type === 'createOrReplace') {\n      return createOrReplaceIn(prev, mutation)\n    }\n    if (mutation.type === 'patch') {\n      return patchIn(prev, mutation)\n    }\n    // @ts-expect-error all cases should be covered\n    throw new Error(`Invalid mutation type: ${mutation.type}`)\n  }, collection)\n}\n\nfunction createIn<Doc extends SanityDocumentBase>(\n  collection: Doc[],\n  mutation: CreateMutation<Doc>,\n) {\n  const currentIdx = collection.findIndex(\n    doc => doc._id === mutation.document._id,\n  )\n  if (currentIdx !== -1) {\n    throw new Error('Document already exist')\n  }\n  return collection.concat(mutation.document)\n}\n\nfunction createIfNotExistsIn<Doc extends SanityDocumentBase>(\n  collection: Doc[],\n  mutation: CreateIfNotExistsMutation<Doc>,\n) {\n  const currentIdx = collection.findIndex(\n    doc => doc._id === mutation.document._id,\n  )\n  return currentIdx === -1 ? collection.concat(mutation.document) : collection\n}\n\nfunction createOrReplaceIn<Doc extends SanityDocumentBase>(\n  collection: Doc[],\n  mutation: CreateOrReplaceMutation<Doc>,\n) {\n  const currentIdx = collection.findIndex(\n    doc => doc._id === mutation.document._id,\n  )\n  return currentIdx === -1\n    ? collection.concat(mutation.document)\n    : splice(collection, currentIdx, 1, [mutation.document])\n}\n\nfunction deleteIn<Doc extends SanityDocumentBase>(\n  collection: Doc[],\n  mutation: DeleteMutation,\n) {\n  const currentIdx = collection.findIndex(doc => doc._id === mutation.id)\n  return currentIdx === -1 ? collection : splice(collection, currentIdx, 1)\n}\n\nfunction patchIn<Doc extends SanityDocumentBase>(\n  collection: Doc[],\n  mutation: PatchMutation,\n): Doc[] {\n  const currentIdx = collection.findIndex(doc => doc._id === mutation.id)\n  if (currentIdx === -1) {\n    throw new Error('Cannot apply patch on nonexistent document')\n  }\n  const current = collection[currentIdx]!\n\n  const next = applyPatchMutation(mutation, current)\n\n  return next === current\n    ? collection\n    : splice(collection, currentIdx, 1, [next])\n}\n","import {nanoid} from 'nanoid'\n\nimport {type DocumentIndex, type Format} from '../../apply'\nimport {type Mutation, type SanityDocumentBase} from '../../mutations/types'\nimport {arrify} from '../../utils/arrify'\nimport {applyInIndex, type ToIdentified, type ToStored} from '../applyInIndex'\nimport {assignId} from './utils'\n\nexport type RequiredSelect<T, K extends keyof T> = Omit<T, K> & {\n  [P in K]-?: T[P]\n}\n\nfunction update<Doc extends ToIdentified<SanityDocumentBase>>(\n  doc: Doc,\n  revision: string,\n): ToStored<Doc> {\n  return {\n    ...doc,\n    _rev: revision,\n    _createdAt: doc._createdAt || new Date().toISOString(),\n    _updatedAt: new Date().toISOString(),\n  }\n}\n\nconst empty: DocumentIndex<any> = {}\n\nexport const createStore = <Doc extends SanityDocumentBase>(\n  initialEntries?: Doc[],\n) => {\n  let version = 0\n\n  let index: DocumentIndex<Format<ToStored<Doc & SanityDocumentBase>>> =\n    initialEntries && initialEntries?.length > 0\n      ? Object.fromEntries(\n          initialEntries.map(entry => {\n            const doc = update(assignId(entry, nanoid), nanoid())\n            return [doc._id, doc]\n          }),\n        )\n      : empty\n\n  return {\n    get version() {\n      return version\n    },\n    // todo: support listening for changes\n    entries: () => Object.entries(index),\n    get: <Id extends string>(\n      id: Id,\n    ): Format<Omit<(typeof index)[keyof typeof index], '_id'> & {_id: Id}> =>\n      index[id] as any,\n    apply: (mutations: Mutation[] | Mutation) => {\n      const nextIndex = applyInIndex(index, arrify(mutations))\n      if (nextIndex !== index) {\n        index = nextIndex\n        version++\n      }\n    },\n  }\n}\n","import {nanoid} from 'nanoid'\n\nimport {\n  type CreateIfNotExistsMutation,\n  type CreateMutation,\n  type CreateOrReplaceMutation,\n  type DeleteMutation,\n  type Mutation,\n  type PatchMutation,\n  type SanityDocumentBase,\n} from '../mutations/types'\nimport {applyPatchMutation} from './applyPatchMutation'\nimport {assignId, hasId, type RequiredSelect} from './store'\n\nexport type DocumentIndex<Doc extends SanityDocumentBase> = {[id: string]: Doc}\n\nexport function applyInIndex<\n  Doc extends SanityDocumentBase,\n  Index extends DocumentIndex<ToStored<Doc>>,\n>(index: Index, mutations: Mutation<Doc>[]): Index {\n  return mutations.reduce((prev, mutation) => {\n    if (mutation.type === 'create') {\n      return createIn(prev, mutation)\n    }\n    if (mutation.type === 'createIfNotExists') {\n      return createIfNotExistsIn(prev, mutation)\n    }\n    if (mutation.type === 'delete') {\n      return deleteIn(prev, mutation)\n    }\n    if (mutation.type === 'createOrReplace') {\n      return createOrReplaceIn(prev, mutation)\n    }\n    if (mutation.type === 'patch') {\n      return patchIn(prev, mutation)\n    }\n    // @ts-expect-error all cases should be covered\n    throw new Error(`Invalid mutation type: ${mutation.type}`)\n  }, index)\n}\n\nexport type ToStored<Doc extends SanityDocumentBase> = Doc &\n  Required<SanityDocumentBase>\n\nexport type ToIdentified<Doc extends SanityDocumentBase> = RequiredSelect<\n  Doc,\n  '_id'\n>\n\nexport type StoredDocument = ToStored<SanityDocumentBase>\n\nfunction createIn<\n  Index extends DocumentIndex<Doc>,\n  Doc extends SanityDocumentBase,\n>(index: Index, mutation: CreateMutation<Doc>): Index {\n  const document = assignId(mutation.document, nanoid)\n\n  if (document._id in index) {\n    throw new Error('Document already exist')\n  }\n  return {...index, [document._id]: mutation.document}\n}\n\nfunction createIfNotExistsIn<\n  Index extends DocumentIndex<Doc>,\n  Doc extends SanityDocumentBase,\n>(index: Index, mutation: CreateIfNotExistsMutation<Doc>): Index {\n  if (!hasId(mutation.document)) {\n    throw new Error('Cannot createIfNotExists on document without _id')\n  }\n  return mutation.document._id in index\n    ? index\n    : {...index, [mutation.document._id]: mutation.document}\n}\n\nfunction createOrReplaceIn<\n  Index extends DocumentIndex<Doc>,\n  Doc extends SanityDocumentBase,\n>(index: Index, mutation: CreateOrReplaceMutation<Doc>): Index {\n  if (!hasId(mutation.document)) {\n    throw new Error('Cannot createIfNotExists on document without _id')\n  }\n\n  return {...index, [mutation.document._id]: mutation.document}\n}\n\nfunction deleteIn<Index extends DocumentIndex<SanityDocumentBase>>(\n  index: Index,\n  mutation: DeleteMutation,\n): Index {\n  if (mutation.id in index) {\n    const copy = {...index}\n    delete copy[mutation.id]\n    return copy\n  } else {\n    return index\n  }\n}\n\nfunction patchIn<Index extends DocumentIndex<SanityDocumentBase>>(\n  index: Index,\n  mutation: PatchMutation,\n): Index {\n  if (!(mutation.id in index)) {\n    throw new Error('Cannot apply patch on nonexistent document')\n  }\n  const current = index[mutation.id]!\n  const next = applyPatchMutation(mutation, current)\n\n  return next === current ? 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