f853fcdd81
Updates Prettier to major version 3, and also updates a couple prettier-related other things. Prelude to #1511 so that that PR doesn't include a bunch of unrelated changes
28 lines
792 B
TypeScript
28 lines
792 B
TypeScript
/**
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* Persist shared state properties in browser storage
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*/
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import type {
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ReadonlyStateVar,
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StateOptions,
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StateVar,
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} from "lit-shared-state";
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const STORAGE_KEY_PREFIX = "btrix.app";
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export const persist = (storage: Storage): StateOptions => ({
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set(stateVar: StateVar, v: string) {
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storage.setItem(`${STORAGE_KEY_PREFIX}.${stateVar.key}`, JSON.stringify(v));
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stateVar.notifyObservers(
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`${STORAGE_KEY_PREFIX}.${stateVar.key}`,
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stateVar.value,
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);
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},
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get(stateVar: ReadonlyStateVar) {
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const stored = storage.getItem(`${STORAGE_KEY_PREFIX}.${stateVar.key}`);
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return stored ? (JSON.parse(stored) as unknown) : undefined;
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},
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init(stateVar: ReadonlyStateVar, valueInit?: unknown) {
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return stateVar.options.get(stateVar) || valueInit;
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},
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});
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