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11 KiB
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type { OptimisticWrapperFunction } from \"optimism\";\nimport type {\n InMemoryCache,\n DocumentTransform,\n ApolloLink,\n ApolloCache,\n} from \"../../core/index.js\";\nimport type { ApolloClient } from \"../../core/index.js\";\nimport type { CacheSizes } from \"./sizes.js\";\nimport { cacheSizes, defaultCacheSizes } from \"./sizes.js\";\n\nconst globalCaches: {\n print?: () => number;\n parser?: () => number;\n canonicalStringify?: () => number;\n} = {};\n\nexport function registerGlobalCache(\n name: keyof typeof globalCaches,\n getSize: () => number\n) {\n globalCaches[name] = getSize;\n}\n\n/**\n * Transformative helper type to turn a function of the form\n * ```ts\n * (this: any) => R\n * ```\n * into a function of the form\n * ```ts\n * () => R\n * ```\n * preserving the return type, but removing the `this` parameter.\n *\n * @remarks\n *\n * Further down in the definitions of `_getApolloClientMemoryInternals`,\n * `_getApolloCacheMemoryInternals` and `_getInMemoryCacheMemoryInternals`,\n * having the `this` parameter annotation is extremely useful for type checking\n * inside the function.\n *\n * If this is preserved in the exported types, though, it leads to a situation\n * where `ApolloCache.getMemoryInternals` is a function that requires a `this`\n * of the type `ApolloCache`, while the extending class `InMemoryCache` has a\n * `getMemoryInternals` function that requires a `this` of the type\n * `InMemoryCache`.\n * This is not compatible with TypeScript's inheritence system (although it is\n * perfectly correct), and so TypeScript will complain loudly.\n *\n * We still want to define our functions with the `this` annotation, though,\n * and have the return type inferred.\n * (This requirement for return type inference here makes it impossible to use\n * a function overload that is more explicit on the inner overload than it is\n * on the external overload.)\n *\n * So in the end, we use this helper to remove the `this` annotation from the\n * exported function types, while keeping it in the internal implementation.\n *\n */\ntype RemoveThis<T> = T extends (this: any) => infer R ? () => R : never;\n\n/**\n * For internal purposes only - please call `ApolloClient.getMemoryInternals` instead\n * @internal\n */\nexport const getApolloClientMemoryInternals =\n __DEV__ ?\n (_getApolloClientMemoryInternals as RemoveThis<\n typeof _getApolloClientMemoryInternals\n >)\n : undefined;\n\n/**\n * For internal purposes only - please call `ApolloClient.getMemoryInternals` instead\n * @internal\n */\nexport const getInMemoryCacheMemoryInternals =\n __DEV__ ?\n (_getInMemoryCacheMemoryInternals as RemoveThis<\n typeof _getInMemoryCacheMemoryInternals\n >)\n : undefined;\n\n/**\n * For internal purposes only - please call `ApolloClient.getMemoryInternals` instead\n * @internal\n */\nexport const getApolloCacheMemoryInternals =\n __DEV__ ?\n (_getApolloCacheMemoryInternals as RemoveThis<\n typeof _getApolloCacheMemoryInternals\n >)\n : undefined;\n\nfunction getCurrentCacheSizes() {\n // `defaultCacheSizes` is a `const enum` that will be inlined during build, so we have to reconstruct it's shape here\n const defaults: Record<keyof CacheSizes, number> = {\n parser: defaultCacheSizes[\"parser\"],\n canonicalStringify: defaultCacheSizes[\"canonicalStringify\"],\n print: defaultCacheSizes[\"print\"],\n \"documentTransform.cache\": defaultCacheSizes[\"documentTransform.cache\"],\n \"queryManager.getDocumentInfo\":\n defaultCacheSizes[\"queryManager.getDocumentInfo\"],\n \"PersistedQueryLink.persistedQueryHashes\":\n defaultCacheSizes[\"PersistedQueryLink.persistedQueryHashes\"],\n \"fragmentRegistry.transform\":\n defaultCacheSizes[\"fragmentRegistry.transform\"],\n \"fragmentRegistry.lookup\": defaultCacheSizes[\"fragmentRegistry.lookup\"],\n \"fragmentRegistry.findFragmentSpreads\":\n defaultCacheSizes[\"fragmentRegistry.findFragmentSpreads\"],\n \"cache.fragmentQueryDocuments\":\n defaultCacheSizes[\"cache.fragmentQueryDocuments\"],\n \"removeTypenameFromVariables.getVariableDefinitions\":\n defaultCacheSizes[\"removeTypenameFromVariables.getVariableDefinitions\"],\n \"inMemoryCache.maybeBroadcastWatch\":\n defaultCacheSizes[\"inMemoryCache.maybeBroadcastWatch\"],\n \"inMemoryCache.executeSelectionSet\":\n defaultCacheSizes[\"inMemoryCache.executeSelectionSet\"],\n \"inMemoryCache.executeSubSelectedArray\":\n defaultCacheSizes[\"inMemoryCache.executeSubSelectedArray\"],\n };\n return Object.fromEntries(\n Object.entries(defaults).map(([k, v]) => [\n k,\n cacheSizes[k as keyof CacheSizes] || v,\n ])\n );\n}\n\nfunction _getApolloClientMemoryInternals(this: ApolloClient<any>) {\n if (!__DEV__) throw new Error(\"only supported in development mode\");\n\n return {\n limits: getCurrentCacheSizes(),\n sizes: {\n print: globalCaches.print?.(),\n parser: globalCaches.parser?.(),\n canonicalStringify: globalCaches.canonicalStringify?.(),\n links: linkInfo(this.link),\n queryManager: {\n getDocumentInfo: this[\"queryManager\"][\"transformCache\"].size,\n documentTransforms: transformInfo(\n this[\"queryManager\"].documentTransform\n ),\n },\n ...(this.cache.getMemoryInternals?.() as Partial<\n ReturnType<typeof _getApolloCacheMemoryInternals>\n > &\n Partial<ReturnType<typeof _getInMemoryCacheMemoryInternals>>),\n },\n };\n}\n\nfunction _getApolloCacheMemoryInternals(this: ApolloCache<any>) {\n return {\n cache: {\n fragmentQueryDocuments: getWrapperInformation(this[\"getFragmentDoc\"]),\n },\n };\n}\n\nfunction _getInMemoryCacheMemoryInternals(this: InMemoryCache) {\n const fragments = this.config.fragments as\n | undefined\n | {\n findFragmentSpreads?: Function;\n transform?: Function;\n lookup?: Function;\n };\n\n return {\n ..._getApolloCacheMemoryInternals.apply(this as any),\n addTypenameDocumentTransform: transformInfo(this[\"addTypenameTransform\"]),\n inMemoryCache: {\n executeSelectionSet: getWrapperInformation(\n this[\"storeReader\"][\"executeSelectionSet\"]\n ),\n executeSubSelectedArray: getWrapperInformation(\n this[\"storeReader\"][\"executeSubSelectedArray\"]\n ),\n maybeBroadcastWatch: getWrapperInformation(this[\"maybeBroadcastWatch\"]),\n },\n fragmentRegistry: {\n findFragmentSpreads: getWrapperInformation(\n fragments?.findFragmentSpreads\n ),\n lookup: getWrapperInformation(fragments?.lookup),\n transform: getWrapperInformation(fragments?.transform),\n },\n };\n}\n\nfunction isWrapper(f?: Function): f is OptimisticWrapperFunction<any, any> {\n return !!f && \"dirtyKey\" in f;\n}\n\nfunction getWrapperInformation(f?: Function) {\n return isWrapper(f) ? f.size : undefined;\n}\n\nfunction isDefined<T>(value: T | undefined | null): value is T {\n return value != null;\n}\n\nfunction transformInfo(transform?: DocumentTransform) {\n return recurseTransformInfo(transform).map((cache) => ({ cache }));\n}\n\nfunction recurseTransformInfo(transform?: DocumentTransform): number[] {\n return transform ?\n [\n getWrapperInformation(transform?.[\"performWork\"]),\n ...recurseTransformInfo(transform?.[\"left\"]),\n ...recurseTransformInfo(transform?.[\"right\"]),\n ].filter(isDefined)\n : [];\n}\n\nfunction linkInfo(link?: ApolloLink): unknown[] {\n return link ?\n [\n link?.getMemoryInternals?.(),\n ...linkInfo(link?.left),\n ...linkInfo(link?.right),\n ].filter(isDefined)\n : [];\n}\n"]} |