| 1 | import {
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| 2 | ImmerState,
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| 3 | Patch,
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| 4 | ImmerScope,
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| 5 | Drafted,
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| 6 | AnyObject,
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| 7 | ImmerBaseState,
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| 8 | AnyMap,
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| 9 | AnySet,
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| 10 | ProxyType,
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| 11 | die
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| 12 | } from "../internal"
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| 13 |
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| 14 | /** Plugin utilities */
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| 15 | const plugins: {
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| 16 | Patches?: {
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| 17 | generatePatches_(
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| 18 | state: ImmerState,
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| 19 | basePath: PatchPath,
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| 20 | patches: Patch[],
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| 21 | inversePatches: Patch[]
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| 22 | ): void
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| 23 | generateReplacementPatches_(
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| 24 | base: any,
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| 25 | replacement: any,
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| 26 | patches: Patch[],
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| 27 | inversePatches: Patch[]
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| 28 | ): void
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| 29 | applyPatches_<T>(draft: T, patches: Patch[]): T
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| 30 | }
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| 31 | ES5?: {
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| 32 | willFinalizeES5_(scope: ImmerScope, result: any, isReplaced: boolean): void
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| 33 | createES5Proxy_<T>(
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| 34 | base: T,
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| 35 | parent?: ImmerState
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| 36 | ): Drafted<T, ES5ObjectState | ES5ArrayState>
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| 37 | hasChanges_(state: ES5ArrayState | ES5ObjectState): boolean
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| 38 | }
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| 39 | MapSet?: {
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| 40 | proxyMap_<T extends AnyMap>(target: T, parent?: ImmerState): T
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| 41 | proxySet_<T extends AnySet>(target: T, parent?: ImmerState): T
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| 42 | }
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| 43 | } = {}
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| 44 |
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| 45 | type Plugins = typeof plugins
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| 46 |
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| 47 | export function getPlugin<K extends keyof Plugins>(
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| 48 | pluginKey: K
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| 49 | ): Exclude<Plugins[K], undefined> {
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| 50 | const plugin = plugins[pluginKey]
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| 51 | if (!plugin) {
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| 52 | die(18, pluginKey)
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| 53 | }
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| 54 | // @ts-ignore
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| 55 | return plugin
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| 56 | }
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| 57 |
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| 58 | export function loadPlugin<K extends keyof Plugins>(
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| 59 | pluginKey: K,
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| 60 | implementation: Plugins[K]
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| 61 | ): void {
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| 62 | if (!plugins[pluginKey]) plugins[pluginKey] = implementation
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| 63 | }
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| 64 |
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| 65 | /** ES5 Plugin */
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| 66 |
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| 67 | interface ES5BaseState extends ImmerBaseState {
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| 68 | assigned_: {[key: string]: any}
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| 69 | parent_?: ImmerState
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| 70 | revoked_: boolean
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| 71 | }
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| 72 |
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| 73 | export interface ES5ObjectState extends ES5BaseState {
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| 74 | type_: ProxyType.ES5Object
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| 75 | draft_: Drafted<AnyObject, ES5ObjectState>
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| 76 | base_: AnyObject
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| 77 | copy_: AnyObject | null
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| 78 | }
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| 79 |
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| 80 | export interface ES5ArrayState extends ES5BaseState {
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| 81 | type_: ProxyType.ES5Array
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| 82 | draft_: Drafted<AnyObject, ES5ArrayState>
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| 83 | base_: any
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| 84 | copy_: any
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| 85 | }
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| 86 |
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| 87 | /** Map / Set plugin */
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| 88 |
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| 89 | export interface MapState extends ImmerBaseState {
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| 90 | type_: ProxyType.Map
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| 91 | copy_: AnyMap | undefined
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| 92 | assigned_: Map<any, boolean> | undefined
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| 93 | base_: AnyMap
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| 94 | revoked_: boolean
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| 95 | draft_: Drafted<AnyMap, MapState>
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| 96 | }
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| 97 |
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| 98 | export interface SetState extends ImmerBaseState {
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| 99 | type_: ProxyType.Set
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| 100 | copy_: AnySet | undefined
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| 101 | base_: AnySet
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| 102 | drafts_: Map<any, Drafted> // maps the original value to the draft value in the new set
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| 103 | revoked_: boolean
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| 104 | draft_: Drafted<AnySet, SetState>
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| 105 | }
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| 106 |
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| 107 | /** Patches plugin */
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| 108 |
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| 109 | export type PatchPath = (string | number)[]
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