parseLoadSubsetOptions | TanStack DB Русский

function parseLoadSubsetOptions(options): object;

Defined in: packages/db/src/query/expression-helpers.ts:525

Convenience function to get all LoadSubsetOptions in a pre-parsed format. Good starting point for simple use cases.

Parameters

options

The LoadSubsetOptions from ctx.meta

{ limit?: number; orderBy?: OrderBy; where?: BasicExpression<boolean>; } | null | undefined

Returns

object

Pre-parsed filters, sorts, and limit

filters

filters: SimpleComparison[];

limit?

optional limit: number;

sorts

sorts: ParsedOrderBy[];

Example

queryFn: async (ctx) => {
  const parsed = parseLoadSubsetOptions(ctx.meta?.loadSubsetOptions)

  // Convert to your API format
  return api.getProducts({
    ...Object.fromEntries(
      parsed.filters.map(f => [`${f.field.join('.')}_${f.operator}`, f.value])
    ),
    sort: parsed.sorts.map(s => `${s.field.join('.')}:${s.direction}`).join(','),
    limit: parsed.limit
  })
}