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Compress a string-wire StateStorage with @stainless-code/persist/backends/compressed (gzip/deflate). Backend wrapper — compose with createStorage; stack compress-then-encrypt.
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Based on SOC occupation classification
Gate Alpine.js UI on Persist hydration (Alpine.plugin + useHydrated / $hydrated). Use when wiring HydrationSignal into Alpine data components.
Gate Angular UI on Persist hydration with useHydrated (readonly Signal). Call inside an injection context; use when avoiding flash of default state on async backends.
Gate Lit element UI on Persist hydration with HydrationController. Use when wiring HydrationSignal into a ReactiveControllerHost; not a hook.
Persist with React Native AsyncStorage via @stainless-code/persist/backends/async-storage. Use for RN string-wire JSON state; always gate with useHydrated.
Cross-tab sync for backends without storage events via @stainless-code/persist/transport/crosstab (createBroadcastCrossTab). Wrap storage + pass crossTabEventTarget; call close() on teardown.
AES-GCM encrypt a string-wire StateStorage with @stainless-code/persist/backends/encrypted (createEncryptedStorage). Backend wrapper — compose with createStorage + codec; wrong key rejects hydrate (not clearCorrupt).
| name | persist-compressed |
| description | Compress a string-wire StateStorage with @stainless-code/persist/backends/compressed (gzip/deflate). Backend wrapper — compose with createStorage; stack compress-then-encrypt. |
| license | MIT |
| metadata | {"type":"composition","library":"@stainless-code/persist","library_version":"0.4.1"} |
| requires | ["persist"] |
| sources | ["stainless-code/persist:src/adapters/backends/compressed.ts"] |
Not a StorageCodec. Uses CompressionStream / DecompressionStream (default gzip); output is base64 on the string wire. Returns undefined if streams unavailable. Documented stack with encryption: compress → encrypt.
import { createStorage, jsonCodec } from "@stainless-code/persist";
import { createCompressedStorage } from "@stainless-code/persist/backends/compressed";
const storage = createStorage<Prefs>(
() => createCompressedStorage(() => localStorage)!,
jsonCodec(),
);
Richer graphs → persist-seroval as the codec.
Formats: gzip | deflate | deflate-raw (deflate-raw needs Node 20.12+).
createCompressedStorage(getStorage, { format? }) → StateStorage<string> | undefinedSee also: persist-encrypted.