Zef Hemel
a2a784ddfe
Last openen page information is now kept in the datastore and therefore persistent even across tabs. This seems to also have fixed ther andom behavior when deleting a page -> you always go back to your last opened page (before the one you deleted).
58 lines
1.4 KiB
TypeScript
58 lines
1.4 KiB
TypeScript
/**
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* Implement out of band data augmentation operations
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*/
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import type { KvKey } from "@silverbulletmd/silverbullet/type/datastore";
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import type { DataStore } from "./datastore.ts";
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/**
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* Implements out of band augmentation of entries in a DataStore
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* Example use cases: store "lastOpened" for pages and "lastRun" for commands
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*/
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export class Augmenter {
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constructor(
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private ds: DataStore,
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private augmentationNamespace: KvKey,
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) {
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}
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/**
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* Augments objects additional attributes pulled from a data source
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*/
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async augmentObjectArray(
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objects: any[],
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keyField: string,
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): Promise<void> {
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const objectMap = new Map<string, any>();
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// create a lookup map based on objects
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for (const obj of objects) {
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objectMap.set(obj[keyField], obj);
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}
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await this.augmentObjectMap(objectMap);
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}
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async augmentObjectMap(objectMap: Map<string, any>) {
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// Now augment
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for await (
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const augmentation of this.ds.query({
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prefix: this.augmentationNamespace,
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})
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) {
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const obj = objectMap.get(
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augmentation.key[this.augmentationNamespace.length],
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);
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if (obj) {
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// Copy over properties from augmentation
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Object.assign(obj, augmentation.value);
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}
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}
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}
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setAugmentation(
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key: string,
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augmentation: Record<string, any>,
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): Promise<void> {
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return this.ds.set([...this.augmentationNamespace, key], augmentation);
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}
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}
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