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| 1 | +// import { |
| 2 | +// EntityTable, |
| 3 | +// NormalizedIndex, |
| 4 | +// INormalizeDelegate, |
| 5 | +// Mergeable, |
| 6 | +// } from '../interface.js'; |
| 7 | +// import { getCheckLoop } from './getCheckLoop.js'; |
| 8 | +// import { INVALID } from '../denormalize/symbol.js'; |
| 9 | +// import { DelegateImmutable } from '../memo/Delegate.immutable.js'; |
| 10 | + |
| 11 | +// type ImmutableJSEntityTable = { |
| 12 | +// getIn(k: [key: string, pk: string]): { toJS(): any } | undefined; |
| 13 | +// setIn(k: [key: string, pk: string], value: any); |
| 14 | +// }; |
| 15 | +// type ImmutableJSMeta = { |
| 16 | +// getIn(k: [key: string, pk: string]): |
| 17 | +// | { |
| 18 | +// date: number; |
| 19 | +// expiresAt: number; |
| 20 | +// fetchedAt: number; |
| 21 | +// } |
| 22 | +// | undefined; |
| 23 | +// setIn( |
| 24 | +// k: [key: string, pk: string], |
| 25 | +// value: { |
| 26 | +// date: number; |
| 27 | +// expiresAt: number; |
| 28 | +// fetchedAt: number; |
| 29 | +// }, |
| 30 | +// ); |
| 31 | +// }; |
| 32 | + |
| 33 | +// export class NormalizeDelegate |
| 34 | +// extends DelegateImmutable |
| 35 | +// implements INormalizeDelegate |
| 36 | +// { |
| 37 | +// declare readonly entitiesMeta: ImmutableJSMeta; |
| 38 | + |
| 39 | +// declare readonly meta: { fetchedAt: number; date: number; expiresAt: number }; |
| 40 | +// declare checkLoop: (entityKey: string, pk: string, input: object) => boolean; |
| 41 | + |
| 42 | +// protected newEntities = new Map<string, Map<string, any>>(); |
| 43 | +// protected newIndexes = new Map<string, Map<string, any>>(); |
| 44 | + |
| 45 | +// constructor( |
| 46 | +// { |
| 47 | +// entities, |
| 48 | +// indexes, |
| 49 | +// entitiesMeta, |
| 50 | +// }: { |
| 51 | +// entities: ImmutableJSEntityTable; |
| 52 | +// indexes: ImmutableJSEntityTable; |
| 53 | +// entitiesMeta: ImmutableJSMeta; |
| 54 | +// }, |
| 55 | +// actionMeta: { fetchedAt: number; date: number; expiresAt: number }, |
| 56 | +// ) { |
| 57 | +// super(entities, indexes); |
| 58 | +// this.entitiesMeta = entitiesMeta; |
| 59 | +// this.meta = actionMeta; |
| 60 | +// this.checkLoop = getCheckLoop(); |
| 61 | +// } |
| 62 | + |
| 63 | +// // getNewEntity(key: string, pk: string) { |
| 64 | +// // return this.getNewEntities(key).get(pk); |
| 65 | +// // } |
| 66 | + |
| 67 | +// protected getNewEntities(key: string): Map<string, any> { |
| 68 | +// // first time we come across this type of entity |
| 69 | +// if (!this.newEntities.has(key)) { |
| 70 | +// this.newEntities.set(key, new Map()); |
| 71 | +// } |
| 72 | + |
| 73 | +// return this.newEntities.get(key) as Map<string, any>; |
| 74 | +// } |
| 75 | + |
| 76 | +// protected getNewIndexes(key: string): Map<string, any> { |
| 77 | +// if (!this.newIndexes.has(key)) { |
| 78 | +// this.newIndexes.set(key, new Map()); |
| 79 | +// } |
| 80 | +// return this.newIndexes.get(key) as Map<string, any>; |
| 81 | +// } |
| 82 | + |
| 83 | +// // /** Updates an entity using merge lifecycles when it has previously been set */ |
| 84 | +// // mergeEntity( |
| 85 | +// // schema: Mergeable & { indexes?: any }, |
| 86 | +// // pk: string, |
| 87 | +// // incomingEntity: any, |
| 88 | +// // ) { |
| 89 | +// // const key = schema.key; |
| 90 | + |
| 91 | +// // // default when this is completely new entity |
| 92 | +// // let nextEntity = incomingEntity; |
| 93 | +// // let nextMeta = this.meta; |
| 94 | + |
| 95 | +// // // if we already processed this entity during this normalization (in another nested place) |
| 96 | +// // let entity = this.getNewEntity(key, pk); |
| 97 | +// // if (entity) { |
| 98 | +// // nextEntity = schema.merge(entity, incomingEntity); |
| 99 | +// // } else { |
| 100 | +// // // if we find it in the store |
| 101 | +// // entity = this.getEntity(key, pk); |
| 102 | +// // if (entity) { |
| 103 | +// // const meta = this.getMeta(key, pk); |
| 104 | +// // nextEntity = schema.mergeWithStore( |
| 105 | +// // meta, |
| 106 | +// // nextMeta, |
| 107 | +// // entity, |
| 108 | +// // incomingEntity, |
| 109 | +// // ); |
| 110 | +// // nextMeta = schema.mergeMetaWithStore( |
| 111 | +// // meta, |
| 112 | +// // nextMeta, |
| 113 | +// // entity, |
| 114 | +// // incomingEntity, |
| 115 | +// // ); |
| 116 | +// // } |
| 117 | +// // } |
| 118 | + |
| 119 | +// // // once we have computed the merged values, set them |
| 120 | +// // this.setEntity(schema, pk, nextEntity, nextMeta); |
| 121 | +// // } |
| 122 | + |
| 123 | +// /** Sets an entity overwriting any previously set values */ |
| 124 | +// setEntity( |
| 125 | +// schema: { key: string; indexes?: any }, |
| 126 | +// pk: string, |
| 127 | +// entity: any, |
| 128 | +// meta: { fetchedAt: number; date: number; expiresAt: number } = this.meta, |
| 129 | +// ) { |
| 130 | +// const key = schema.key; |
| 131 | +// const newEntities = this.getNewEntities(key); |
| 132 | +// const updateMeta = !newEntities.has(pk); |
| 133 | +// newEntities.set(pk, entity); |
| 134 | + |
| 135 | +// // update index |
| 136 | +// if (schema.indexes) { |
| 137 | +// handleIndexes( |
| 138 | +// pk, |
| 139 | +// schema.indexes, |
| 140 | +// this.getNewIndexes(key), |
| 141 | +// this.indexes[key], |
| 142 | +// entity, |
| 143 | +// this.entities[key] as any, |
| 144 | +// ); |
| 145 | +// } |
| 146 | + |
| 147 | +// // set this after index updates so we know what indexes to remove from |
| 148 | +// (this.entities[key] as any)[pk] = entity; |
| 149 | + |
| 150 | +// if (updateMeta) this.entitiesMeta[key][pk] = meta; |
| 151 | +// } |
| 152 | + |
| 153 | +// protected _setEntity(key: string, pk: string, entity: any) { |
| 154 | +// this.entities.setIn([key, pk], entity); |
| 155 | +// } |
| 156 | + |
| 157 | +// protected _setMeta( |
| 158 | +// key: string, |
| 159 | +// pk: string, |
| 160 | +// meta: { fetchedAt: number; date: number; expiresAt: number }, |
| 161 | +// ) { |
| 162 | +// this.entitiesMeta.setIn([key, pk], meta); |
| 163 | +// } |
| 164 | + |
| 165 | +// getMeta(key: string, pk: string) { |
| 166 | +// return this.entitiesMeta.getIn([key, pk]); |
| 167 | +// } |
| 168 | +// } |
| 169 | + |
| 170 | +// function handleIndexes( |
| 171 | +// id: string, |
| 172 | +// schemaIndexes: string[], |
| 173 | +// indexes: Map<string, any>, |
| 174 | +// storeIndexes: Record<string, any>, |
| 175 | +// entity: any, |
| 176 | +// storeEntities: Record<string, any>, |
| 177 | +// ) { |
| 178 | +// for (const index of schemaIndexes) { |
| 179 | +// if (!indexes.has(index)) { |
| 180 | +// indexes.set(index, (storeIndexes[index] = {})); |
| 181 | +// } |
| 182 | +// const indexMap = indexes.get(index); |
| 183 | +// if (storeEntities[id]) { |
| 184 | +// delete indexMap[storeEntities[id][index]]; |
| 185 | +// } |
| 186 | +// // entity already in cache but the index changed |
| 187 | +// if ( |
| 188 | +// storeEntities && |
| 189 | +// storeEntities[id] && |
| 190 | +// storeEntities[id][index] !== entity[index] |
| 191 | +// ) { |
| 192 | +// indexMap[storeEntities[id][index]] = INVALID; |
| 193 | +// } |
| 194 | +// if (index in entity) { |
| 195 | +// indexMap[entity[index]] = id; |
| 196 | +// } /* istanbul ignore next */ else if ( |
| 197 | +// process.env.NODE_ENV !== 'production' |
| 198 | +// ) { |
| 199 | +// console.warn(`Index not found in entity. Indexes must be top-level members of your entity. |
| 200 | +// Index: ${index} |
| 201 | +// Entity: ${JSON.stringify(entity, undefined, 2)}`); |
| 202 | +// } |
| 203 | +// } |
| 204 | +// } |
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