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{"version":3,"sources":["../../src/immer.ts","../../src/utils/env.ts","../../src/utils/errors.ts","../../src/utils/common.ts","../../src/utils/plugins.ts","../../src/core/scope.ts","../../src/core/finalize.ts","../../src/core/proxy.ts","../../src/core/immerClass.ts","../../src/core/current.ts","../../src/plugins/patches.ts","../../src/plugins/mapset.ts"],"sourcesContent":["import {\n\tIProduce,\n\tIProduceWithPatches,\n\tImmer,\n\tDraft,\n\tImmutable\n} from \"./internal\"\n\nexport {\n\tDraft,\n\tImmutable,\n\tPatch,\n\tPatchListener,\n\toriginal,\n\tcurrent,\n\tisDraft,\n\tisDraftable,\n\tNOTHING as nothing,\n\tDRAFTABLE as immerable,\n\tfreeze,\n\tObjectish\n} from \"./internal\"\n\nconst immer = new Immer()\n\n/**\n * The `produce` function takes a value and a \"recipe function\" (whose\n * return value often depends on the base state). The recipe function is\n * free to mutate its first argument however it wants. All mutations are\n * only ever applied to a __copy__ of the base state.\n *\n * Pass only a function to create a \"curried producer\" which relieves you\n * from passing the recipe function every time.\n *\n * Only plain objects and arrays are made mutable. All other objects are\n * considered uncopyable.\n *\n * Note: This function is __bound__ to its `Immer` instance.\n *\n * @param {any} base - the initial state\n * @param {Function} producer - function that receives a proxy of the base state as first argument and which can be freely modified\n * @param {Function} patchListener - optional function that will be called with all the patches produced here\n * @returns {any} a new state, or the initial state if nothing was modified\n */\nexport const produce: IProduce = immer.produce\n\n/**\n * Like `produce`, but `produceWithPatches` always returns a tuple\n * [nextState, patches, inversePatches] (instead of just the next state)\n */\nexport const produceWithPatches: IProduceWithPatches = immer.produceWithPatches.bind(\n\timmer\n)\n\n/**\n * Pass true to automatically freeze all copies created by Immer.\n *\n * Always freeze by default, even in production mode\n */\nexport const setAutoFreeze = immer.setAutoFreeze.bind(immer)\n\n/**\n * Pass true to enable strict shallow copy.\n *\n * By default, immer does not copy the object descriptors such as getter, setter and non-enumrable properties.\n */\nexport const setUseStrictShallowCopy = immer.setUseStrictShallowCopy.bind(immer)\n\n/**\n * Apply an array of Immer patches to the first argument.\n *\n * This function is a producer, which means copy-on-write is in effect.\n */\nexport const applyPatches = immer.applyPatches.bind(immer)\n\n/**\n * Create an Immer draft from the given base state, which may be a draft itself.\n * The draft can be modified until you finalize it with the `finishDraft` function.\n */\nexport const createDraft = immer.createDraft.bind(immer)\n\n/**\n * Finalize an Immer draft from a `createDraft` call, returning the base state\n * (if no changes were made) or a modified copy. The draft must *not* be\n * mutated afterwards.\n *\n * Pass a function as the 2nd argument to generate Immer patches based on the\n * changes that were made.\n */\nexport const finishDraft = immer.finishDraft.bind(immer)\n\n/**\n * This function is actually a no-op, but can be used to cast an immutable type\n * to an draft type and make TypeScript happy\n *\n * @param value\n */\nexport function castDraft(value: T): Draft {\n\treturn value as any\n}\n\n/**\n * This function is actually a no-op, but can be used to cast a mutable type\n * to an immutable type and make TypeScript happy\n * @param value\n */\nexport function castImmutable(value: T): Immutable {\n\treturn value as any\n}\n\nexport {Immer}\n\nexport {enablePatches} from \"./plugins/patches\"\nexport {enableMapSet} from \"./plugins/mapset\"\n","// Should be no imports here!\n\n/**\n * The sentinel value returned by producers to replace the draft with undefined.\n */\nexport const NOTHING: unique symbol = Symbol.for(\"immer-nothing\")\n\n/**\n * To let Immer treat your class instances as plain immutable objects\n * (albeit with a custom prototype), you must define either an instance property\n * or a static property on each of your custom classes.\n *\n * Otherwise, your class instance will never be drafted, which means it won't be\n * safe to mutate in a produce callback.\n */\nexport const DRAFTABLE: unique symbol = Symbol.for(\"immer-draftable\")\n\nexport const DRAFT_STATE: unique symbol = Symbol.for(\"immer-state\")\n","export const errors =\n\tprocess.env.NODE_ENV !== \"production\"\n\t\t? [\n\t\t\t\t// All error codes, starting by 0:\n\t\t\t\tfunction(plugin: string) {\n\t\t\t\t\treturn `The plugin for '${plugin}' has not been loaded into Immer. To enable the plugin, import and call \\`enable${plugin}()\\` when initializing your application.`\n\t\t\t\t},\n\t\t\t\tfunction(thing: string) {\n\t\t\t\t\treturn `produce can only be called on things that are draftable: plain objects, arrays, Map, Set or classes that are marked with '[immerable]: true'. Got '${thing}'`\n\t\t\t\t},\n\t\t\t\t\"This object has been frozen and should not be mutated\",\n\t\t\t\tfunction(data: any) {\n\t\t\t\t\treturn (\n\t\t\t\t\t\t\"Cannot use a proxy that has been revoked. Did you pass an object from inside an immer function to an async process? \" +\n\t\t\t\t\t\tdata\n\t\t\t\t\t)\n\t\t\t\t},\n\t\t\t\t\"An immer producer returned a new value *and* modified its draft. Either return a new value *or* modify the draft.\",\n\t\t\t\t\"Immer forbids circular references\",\n\t\t\t\t\"The first or second argument to `produce` must be a function\",\n\t\t\t\t\"The third argument to `produce` must be a function or undefined\",\n\t\t\t\t\"First argument to `createDraft` must be a plain object, an array, or an immerable object\",\n\t\t\t\t\"First argument to `finishDraft` must be a draft returned by `createDraft`\",\n\t\t\t\tfunction(thing: string) {\n\t\t\t\t\treturn `'current' expects a draft, got: ${thing}`\n\t\t\t\t},\n\t\t\t\t\"Object.defineProperty() cannot be used on an Immer draft\",\n\t\t\t\t\"Object.setPrototypeOf() cannot be used on an Immer draft\",\n\t\t\t\t\"Immer only supports deleting array indices\",\n\t\t\t\t\"Immer only supports setting array indices and the 'length' property\",\n\t\t\t\tfunction(thing: string) {\n\t\t\t\t\treturn `'original' expects a draft, got: ${thing}`\n\t\t\t\t}\n\t\t\t\t// Note: if more errors are added, the errorOffset in Patches.ts should be increased\n\t\t\t\t// See Patches.ts for additional errors\n\t\t ]\n\t\t: []\n\nexport function die(error: number, ...args: any[]): never {\n\tif (process.env.NODE_ENV !== \"production\") {\n\t\tconst e = errors[error]\n\t\tconst msg = typeof e === \"function\" ? e.apply(null, args as any) : e\n\t\tthrow new Error(`[Immer] ${msg}`)\n\t}\n\tthrow new Error(\n\t\t`[Immer] minified error nr: ${error}. Full error at: https://bit.ly/3cXEKWf`\n\t)\n}\n","import {\n\tDRAFT_STATE,\n\tDRAFTABLE,\n\tObjectish,\n\tDrafted,\n\tAnyObject,\n\tAnyMap,\n\tAnySet,\n\tImmerState,\n\tArchType,\n\tdie\n} from \"../internal\"\n\nexport const getPrototypeOf = Object.getPrototypeOf\n\n/** Returns true if the given value is an Immer draft */\n/*#__PURE__*/\nexport function isDraft(value: any): boolean {\n\treturn !!value && !!value[DRAFT_STATE]\n}\n\n/** Returns true if the given value can be drafted by Immer */\n/*#__PURE__*/\nexport function isDraftable(value: any): boolean {\n\tif (!value) return false\n\treturn (\n\t\tisPlainObject(value) ||\n\t\tArray.isArray(value) ||\n\t\t!!value[DRAFTABLE] ||\n\t\t!!value.constructor?.[DRAFTABLE] ||\n\t\tisMap(value) ||\n\t\tisSet(value)\n\t)\n}\n\nconst objectCtorString = Object.prototype.constructor.toString()\n/*#__PURE__*/\nexport function isPlainObject(value: any): boolean {\n\tif (!value || typeof value !== \"object\") return false\n\tconst proto = getPrototypeOf(value)\n\tif (proto === null) {\n\t\treturn true\n\t}\n\tconst Ctor =\n\t\tObject.hasOwnProperty.call(proto, \"constructor\") && proto.constructor\n\n\tif (Ctor === Object) return true\n\n\treturn (\n\t\ttypeof Ctor == \"function\" &&\n\t\tFunction.toString.call(Ctor) === objectCtorString\n\t)\n}\n\n/** Get the underlying object that is represented by the given draft */\n/*#__PURE__*/\nexport function original(value: T): T | undefined\nexport function original(value: Drafted): any {\n\tif (!isDraft(value)) die(15, value)\n\treturn value[DRAFT_STATE].base_\n}\n\nexport function each(\n\tobj: T,\n\titer: (key: string | number, value: any, source: T) => void,\n\tenumerableOnly?: boolean\n): void\nexport function each(obj: any, iter: any) {\n\tif (getArchtype(obj) === ArchType.Object) {\n\t\tObject.entries(obj).forEach(([key, value]) => {\n\t\t\titer(key, value, obj)\n\t\t})\n\t} else {\n\t\tobj.forEach((entry: any, index: any) => iter(index, entry, obj))\n\t}\n}\n\n/*#__PURE__*/\nexport function getArchtype(thing: any): ArchType {\n\tconst state: undefined | ImmerState = thing[DRAFT_STATE]\n\treturn state\n\t\t? state.type_\n\t\t: Array.isArray(thing)\n\t\t? ArchType.Array\n\t\t: isMap(thing)\n\t\t? ArchType.Map\n\t\t: isSet(thing)\n\t\t? ArchType.Set\n\t\t: ArchType.Object\n}\n\n/*#__PURE__*/\nexport function has(thing: any, prop: PropertyKey): boolean {\n\treturn getArchtype(thing) === ArchType.Map\n\t\t? thing.has(prop)\n\t\t: Object.prototype.hasOwnProperty.call(thing, prop)\n}\n\n/*#__PURE__*/\nexport function get(thing: AnyMap | AnyObject, prop: PropertyKey): any {\n\t// @ts-ignore\n\treturn getArchtype(thing) === ArchType.Map ? thing.get(prop) : thing[prop]\n}\n\n/*#__PURE__*/\nexport function set(thing: any, propOrOldValue: PropertyKey, value: any) {\n\tconst t = getArchtype(thing)\n\tif (t === ArchType.Map) thing.set(propOrOldValue, value)\n\telse if (t === ArchType.Set) {\n\t\tthing.add(value)\n\t} else thing[propOrOldValue] = value\n}\n\n/*#__PURE__*/\nexport function is(x: any, y: any): boolean {\n\t// From: https://github.com/facebook/fbjs/blob/c69904a511b900266935168223063dd8772dfc40/packages/fbjs/src/core/shallowEqual.js\n\tif (x === y) {\n\t\treturn x !== 0 || 1 / x === 1 / y\n\t} else {\n\t\treturn x !== x && y !== y\n\t}\n}\n\n/*#__PURE__*/\nexport function isMap(target: any): target is AnyMap {\n\treturn target instanceof Map\n}\n\n/*#__PURE__*/\nexport function isSet(target: any): target is AnySet {\n\treturn target instanceof Set\n}\n/*#__PURE__*/\nexport function latest(state: ImmerState): any {\n\treturn state.copy_ || state.base_\n}\n\n/*#__PURE__*/\nexport function shallowCopy(base: any, strict: boolean) {\n\tif (isMap(base)) {\n\t\treturn new Map(base)\n\t}\n\tif (isSet(base)) {\n\t\treturn new Set(base)\n\t}\n\tif (Array.isArray(base)) return Array.prototype.slice.call(base)\n\n\tif (!strict && isPlainObject(base)) {\n\t\tif (!getPrototypeOf(base)) {\n\t\t\tconst obj = Object.create(null)\n\t\t\treturn Object.assign(obj, base)\n\t\t}\n\t\treturn {...base}\n\t}\n\n\tconst descriptors = Object.getOwnPropertyDescriptors(base)\n\tdelete descriptors[DRAFT_STATE as any]\n\tlet keys = Reflect.ownKeys(descriptors)\n\tfor (let i = 0; i < keys.length; i++) {\n\t\tconst key: any = keys[i]\n\t\tconst desc = descriptors[key]\n\t\tif (desc.writable === false) {\n\t\t\tdesc.writable = true\n\t\t\tdesc.configurable = true\n\t\t}\n\t\t// like object.assign, we will read any _own_, get/set accessors. This helps in dealing\n\t\t// with libraries that trap values, like mobx or vue\n\t\t// unlike object.assign, non-enumerables will be copied as well\n\t\tif (desc.get || desc.set)\n\t\t\tdescriptors[key] = {\n\t\t\t\tconfigurable: true,\n\t\t\t\twritable: true, // could live with !!desc.set as well here...\n\t\t\t\tenumerable: desc.enumerable,\n\t\t\t\tvalue: base[key]\n\t\t\t}\n\t}\n\treturn Object.create(getPrototypeOf(base), descriptors)\n}\n\n/**\n * Freezes draftable objects. Returns the original object.\n * By default freezes shallowly, but if the second argument is `true` it will freeze recursively.\n *\n * @param obj\n * @param deep\n */\nexport function freeze(obj: T, deep?: boolean): T\nexport function freeze(obj: any, deep: boolean = false): T {\n\tif (isFrozen(obj) || isDraft(obj) || !isDraftable(obj)) return obj\n\tif (getArchtype(obj) > 1 /* Map or Set */) {\n\t\tobj.set = obj.add = obj.clear = obj.delete = dontMutateFrozenCollections as any\n\t}\n\tObject.freeze(obj)\n\tif (deep) each(obj, (_key, value) => freeze(value, true), true)\n\treturn obj\n}\n\nfunction dontMutateFrozenCollections() {\n\tdie(2)\n}\n\nexport function isFrozen(obj: any): boolean {\n\treturn Object.isFrozen(obj)\n}\n","import {\n\tImmerState,\n\tPatch,\n\tDrafted,\n\tImmerBaseState,\n\tAnyMap,\n\tAnySet,\n\tArchType,\n\tdie\n} from \"../internal\"\n\n/** Plugin utilities */\nconst plugins: {\n\tPatches?: {\n\t\tgeneratePatches_(\n\t\t\tstate: ImmerState,\n\t\t\tbasePath: PatchPath,\n\t\t\tpatches: Patch[],\n\t\t\tinversePatches: Patch[]\n\t\t): void\n\t\tgenerateReplacementPatches_(\n\t\t\tbase: any,\n\t\t\treplacement: any,\n\t\t\tpatches: Patch[],\n\t\t\tinversePatches: Patch[]\n\t\t): void\n\t\tapplyPatches_(draft: T, patches: Patch[]): T\n\t}\n\tMapSet?: {\n\t\tproxyMap_(target: T, parent?: ImmerState): T\n\t\tproxySet_(target: T, parent?: ImmerState): T\n\t}\n} = {}\n\ntype Plugins = typeof plugins\n\nexport function getPlugin(\n\tpluginKey: K\n): Exclude {\n\tconst plugin = plugins[pluginKey]\n\tif (!plugin) {\n\t\tdie(0, pluginKey)\n\t}\n\t// @ts-ignore\n\treturn plugin\n}\n\nexport function loadPlugin(\n\tpluginKey: K,\n\timplementation: Plugins[K]\n): void {\n\tif (!plugins[pluginKey]) plugins[pluginKey] = implementation\n}\n/** Map / Set plugin */\n\nexport interface MapState extends ImmerBaseState {\n\ttype_: ArchType.Map\n\tcopy_: AnyMap | undefined\n\tassigned_: Map | undefined\n\tbase_: AnyMap\n\trevoked_: boolean\n\tdraft_: Drafted\n}\n\nexport interface SetState extends ImmerBaseState {\n\ttype_: ArchType.Set\n\tcopy_: AnySet | undefined\n\tbase_: AnySet\n\tdrafts_: Map // maps the original value to the draft value in the new set\n\trevoked_: boolean\n\tdraft_: Drafted\n}\n\n/** Patches plugin */\n\nexport type PatchPath = (string | number)[]\n","import {\n\tPatch,\n\tPatchListener,\n\tDrafted,\n\tImmer,\n\tDRAFT_STATE,\n\tImmerState,\n\tArchType,\n\tgetPlugin\n} from \"../internal\"\n\n/** Each scope represents a `produce` call. */\n\nexport interface ImmerScope {\n\tpatches_?: Patch[]\n\tinversePatches_?: Patch[]\n\tcanAutoFreeze_: boolean\n\tdrafts_: any[]\n\tparent_?: ImmerScope\n\tpatchListener_?: PatchListener\n\timmer_: Immer\n\tunfinalizedDrafts_: number\n}\n\nlet currentScope: ImmerScope | undefined\n\nexport function getCurrentScope() {\n\treturn currentScope!\n}\n\nfunction createScope(\n\tparent_: ImmerScope | undefined,\n\timmer_: Immer\n): ImmerScope {\n\treturn {\n\t\tdrafts_: [],\n\t\tparent_,\n\t\timmer_,\n\t\t// Whenever the modified draft contains a draft from another scope, we\n\t\t// need to prevent auto-freezing so the unowned draft can be finalized.\n\t\tcanAutoFreeze_: true,\n\t\tunfinalizedDrafts_: 0\n\t}\n}\n\nexport function usePatchesInScope(\n\tscope: ImmerScope,\n\tpatchListener?: PatchListener\n) {\n\tif (patchListener) {\n\t\tgetPlugin(\"Patches\") // assert we have the plugin\n\t\tscope.patches_ = []\n\t\tscope.inversePatches_ = []\n\t\tscope.patchListener_ = patchListener\n\t}\n}\n\nexport function revokeScope(scope: ImmerScope) {\n\tleaveScope(scope)\n\tscope.drafts_.forEach(revokeDraft)\n\t// @ts-ignore\n\tscope.drafts_ = null\n}\n\nexport function leaveScope(scope: ImmerScope) {\n\tif (scope === currentScope) {\n\t\tcurrentScope = scope.parent_\n\t}\n}\n\nexport function enterScope(immer: Immer) {\n\treturn (currentScope = createScope(currentScope, immer))\n}\n\nfunction revokeDraft(draft: Drafted) {\n\tconst state: ImmerState = draft[DRAFT_STATE]\n\tif (state.type_ === ArchType.Object || state.type_ === ArchType.Array)\n\t\tstate.revoke_()\n\telse state.revoked_ = true\n}\n","import {\n\tImmerScope,\n\tDRAFT_STATE,\n\tisDraftable,\n\tNOTHING,\n\tPatchPath,\n\teach,\n\thas,\n\tfreeze,\n\tImmerState,\n\tisDraft,\n\tSetState,\n\tset,\n\tArchType,\n\tgetPlugin,\n\tdie,\n\trevokeScope,\n\tisFrozen\n} from \"../internal\"\n\nexport function processResult(result: any, scope: ImmerScope) {\n\tscope.unfinalizedDrafts_ = scope.drafts_.length\n\tconst baseDraft = scope.drafts_![0]\n\tconst isReplaced = result !== undefined && result !== baseDraft\n\tif (isReplaced) {\n\t\tif (baseDraft[DRAFT_STATE].modified_) {\n\t\t\trevokeScope(scope)\n\t\t\tdie(4)\n\t\t}\n\t\tif (isDraftable(result)) {\n\t\t\t// Finalize the result in case it contains (or is) a subset of the draft.\n\t\t\tresult = finalize(scope, result)\n\t\t\tif (!scope.parent_) maybeFreeze(scope, result)\n\t\t}\n\t\tif (scope.patches_) {\n\t\t\tgetPlugin(\"Patches\").generateReplacementPatches_(\n\t\t\t\tbaseDraft[DRAFT_STATE].base_,\n\t\t\t\tresult,\n\t\t\t\tscope.patches_,\n\t\t\t\tscope.inversePatches_!\n\t\t\t)\n\t\t}\n\t} else {\n\t\t// Finalize the base draft.\n\t\tresult = finalize(scope, baseDraft, [])\n\t}\n\trevokeScope(scope)\n\tif (scope.patches_) {\n\t\tscope.patchListener_!(scope.patches_, scope.inversePatches_!)\n\t}\n\treturn result !== NOTHING ? result : undefined\n}\n\nfunction finalize(rootScope: ImmerScope, value: any, path?: PatchPath) {\n\t// Don't recurse in tho recursive data structures\n\tif (isFrozen(value)) return value\n\n\tconst state: ImmerState = value[DRAFT_STATE]\n\t// A plain object, might need freezing, might contain drafts\n\tif (!state) {\n\t\teach(\n\t\t\tvalue,\n\t\t\t(key, childValue) =>\n\t\t\t\tfinalizeProperty(rootScope, state, value, key, childValue, path),\n\t\t\ttrue // See #590, don't recurse into non-enumerable of non drafted objects\n\t\t)\n\t\treturn value\n\t}\n\t// Never finalize drafts owned by another scope.\n\tif (state.scope_ !== rootScope) return value\n\t// Unmodified draft, return the (frozen) original\n\tif (!state.modified_) {\n\t\tmaybeFreeze(rootScope, state.base_, true)\n\t\treturn state.base_\n\t}\n\t// Not finalized yet, let's do that now\n\tif (!state.finalized_) {\n\t\tstate.finalized_ = true\n\t\tstate.scope_.unfinalizedDrafts_--\n\t\tconst result = state.copy_\n\t\t// Finalize all children of the copy\n\t\t// For sets we clone before iterating, otherwise we can get in endless loop due to modifying during iteration, see #628\n\t\t// To preserve insertion order in all cases we then clear the set\n\t\t// And we let finalizeProperty know it needs to re-add non-draft children back to the target\n\t\tlet resultEach = result\n\t\tlet isSet = false\n\t\tif (state.type_ === ArchType.Set) {\n\t\t\tresultEach = new Set(result)\n\t\t\tresult.clear()\n\t\t\tisSet = true\n\t\t}\n\t\teach(resultEach, (key, childValue) =>\n\t\t\tfinalizeProperty(rootScope, state, result, key, childValue, path, isSet)\n\t\t)\n\t\t// everything inside is frozen, we can freeze here\n\t\tmaybeFreeze(rootScope, result, false)\n\t\t// first time finalizing, let's create those patches\n\t\tif (path && rootScope.patches_) {\n\t\t\tgetPlugin(\"Patches\").generatePatches_(\n\t\t\t\tstate,\n\t\t\t\tpath,\n\t\t\t\trootScope.patches_,\n\t\t\t\trootScope.inversePatches_!\n\t\t\t)\n\t\t}\n\t}\n\treturn state.copy_\n}\n\nfunction finalizeProperty(\n\trootScope: ImmerScope,\n\tparentState: undefined | ImmerState,\n\ttargetObject: any,\n\tprop: string | number,\n\tchildValue: any,\n\trootPath?: PatchPath,\n\ttargetIsSet?: boolean\n) {\n\tif (process.env.NODE_ENV !== \"production\" && childValue === targetObject)\n\t\tdie(5)\n\tif (isDraft(childValue)) {\n\t\tconst path =\n\t\t\trootPath &&\n\t\t\tparentState &&\n\t\t\tparentState!.type_ !== ArchType.Set && // Set objects are atomic since they have no keys.\n\t\t\t!has((parentState as Exclude).assigned_!, prop) // Skip deep patches for assigned keys.\n\t\t\t\t? rootPath!.concat(prop)\n\t\t\t\t: undefined\n\t\t// Drafts owned by `scope` are finalized here.\n\t\tconst res = finalize(rootScope, childValue, path)\n\t\tset(targetObject, prop, res)\n\t\t// Drafts from another scope must prevented to be frozen\n\t\t// if we got a draft back from finalize, we're in a nested produce and shouldn't freeze\n\t\tif (isDraft(res)) {\n\t\t\trootScope.canAutoFreeze_ = false\n\t\t} else return\n\t} else if (targetIsSet) {\n\t\ttargetObject.add(childValue)\n\t}\n\t// Search new objects for unfinalized drafts. Frozen objects should never contain drafts.\n\tif (isDraftable(childValue) && !isFrozen(childValue)) {\n\t\tif (!rootScope.immer_.autoFreeze_ && rootScope.unfinalizedDrafts_ < 1) {\n\t\t\t// optimization: if an object is not a draft, and we don't have to\n\t\t\t// deepfreeze everything, and we are sure that no drafts are left in the remaining object\n\t\t\t// cause we saw and finalized all drafts already; we can stop visiting the rest of the tree.\n\t\t\t// This benefits especially adding large data tree's without further processing.\n\t\t\t// See add-data.js perf test\n\t\t\treturn\n\t\t}\n\t\tfinalize(rootScope, childValue)\n\t\t// immer deep freezes plain objects, so if there is no parent state, we freeze as well\n\t\tif (!parentState || !parentState.scope_.parent_)\n\t\t\tmaybeFreeze(rootScope, childValue)\n\t}\n}\n\nfunction maybeFreeze(scope: ImmerScope, value: any, deep = false) {\n\t// we never freeze for a non-root scope; as it would prevent pruning for drafts inside wrapping objects\n\tif (!scope.parent_ && scope.immer_.autoFreeze_ && scope.canAutoFreeze_) {\n\t\tfreeze(value, deep)\n\t}\n}\n","import {\n\teach,\n\thas,\n\tis,\n\tisDraftable,\n\tshallowCopy,\n\tlatest,\n\tImmerBaseState,\n\tImmerState,\n\tDrafted,\n\tAnyObject,\n\tAnyArray,\n\tObjectish,\n\tgetCurrentScope,\n\tgetPrototypeOf,\n\tDRAFT_STATE,\n\tdie,\n\tcreateProxy,\n\tArchType,\n\tImmerScope\n} from \"../internal\"\n\ninterface ProxyBaseState extends ImmerBaseState {\n\tassigned_: {\n\t\t[property: string]: boolean\n\t}\n\tparent_?: ImmerState\n\trevoke_(): void\n}\n\nexport interface ProxyObjectState extends ProxyBaseState {\n\ttype_: ArchType.Object\n\tbase_: any\n\tcopy_: any\n\tdraft_: Drafted\n}\n\nexport interface ProxyArrayState extends ProxyBaseState {\n\ttype_: ArchType.Array\n\tbase_: AnyArray\n\tcopy_: AnyArray | null\n\tdraft_: Drafted\n}\n\ntype ProxyState = ProxyObjectState | ProxyArrayState\n\n/**\n * Returns a new draft of the `base` object.\n *\n * The second argument is the parent draft-state (used internally).\n */\nexport function createProxyProxy(\n\tbase: T,\n\tparent?: ImmerState\n): Drafted {\n\tconst isArray = Array.isArray(base)\n\tconst state: ProxyState = {\n\t\ttype_: isArray ? ArchType.Array : (ArchType.Object as any),\n\t\t// Track which produce call this is associated with.\n\t\tscope_: parent ? parent.scope_ : getCurrentScope()!,\n\t\t// True for both shallow and deep changes.\n\t\tmodified_: false,\n\t\t// Used during finalization.\n\t\tfinalized_: false,\n\t\t// Track which properties have been assigned (true) or deleted (false).\n\t\tassigned_: {},\n\t\t// The parent draft state.\n\t\tparent_: parent,\n\t\t// The base state.\n\t\tbase_: base,\n\t\t// The base proxy.\n\t\tdraft_: null as any, // set below\n\t\t// The base copy with any updated values.\n\t\tcopy_: null,\n\t\t// Called by the `produce` function.\n\t\trevoke_: null as any,\n\t\tisManual_: false\n\t}\n\n\t// the traps must target something, a bit like the 'real' base.\n\t// but also, we need to be able to determine from the target what the relevant state is\n\t// (to avoid creating traps per instance to capture the state in closure,\n\t// and to avoid creating weird hidden properties as well)\n\t// So the trick is to use 'state' as the actual 'target'! (and make sure we intercept everything)\n\t// Note that in the case of an array, we put the state in an array to have better Reflect defaults ootb\n\tlet target: T = state as any\n\tlet traps: ProxyHandler