Removed weird file
This was accidentally commited
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905578d590
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@ -1,80 +0,0 @@
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import nql from '@tryghost/nql';
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type Entity<T> = {
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id: T;
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deleted: boolean;
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}
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type Order<T> = {
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field: keyof T;
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direction: 'asc' | 'desc';
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}
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type OrderOption<T extends Entity<any>> = Order<T>[];
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export abstract class InMemoryRepository<IDType, T extends Entity<IDType>> {
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private store: T[] = [];
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private ids: Map<IDType, true> = new Map();
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constructor() {}
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protected abstract toPrimitive(entity: T): object;
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public async save(entity: T): Promise<void> {
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if (entity.deleted) {
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this.store = this.store.filter(item => item.id !== entity.id);
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this.ids.delete(entity.id);
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return;
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}
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if (this.ids.has(entity.id)) {
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this.store = this.store.map((item) => {
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if (item.id === entity.id) {
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return entity;
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}
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return item;
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});
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} else {
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this.store.push(entity);
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this.ids.set(entity.id, true);
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}
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}
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public async getById(id: string): Promise<T | null> {
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return this.store.find(item => item.id === id) || null;
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}
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public async getAll(options: { filter?: string; order?: OrderOption<T> } = {}): Promise<T[]> {
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const filter = nql(options.filter);
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const results = this.store.slice().filter(item => filter.queryJSON(this.toPrimitive(item)));
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if (options.order) {
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for (const order of options.order) {
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results.sort((a, b) => {
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if (order.direction === 'asc') {
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return a[order.field] as any > (b[order.field] as any) ? 1 : -1;
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} else {
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return a[order.field] < b[order.field] ? 1 : -1;
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}
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});
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}
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}
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return results;
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}
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public async getPage(options: { filter?: string; page: number; limit: number; order?: Order<T>[] } = {page: 1, limit: 15}): Promise<T[]> {
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const results = await this.getAll(options);
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const start = (options.page - 1) * options.limit;
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const end = start + options.limit;
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return results.slice(start, end);
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}
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public async getCount(options: { filter?: string }): Promise<number> {
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const results = await this.getAll(options);
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return results.length;
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}
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}
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