UNPKG

kysely

Version:

Type safe SQL query builder

10 lines (9 loc) 820 B
import type { DeleteQueryBuilder } from '../query-builder/delete-query-builder.js'; import type { DeleteResult } from '../query-builder/delete-result.js'; import type { ShallowRecord } from '../util/type-utils.js'; import type { ExtractTableAlias, From, FromTables, TableExpressionOrList } from './table-parser.js'; export type DeleteFrom<DB, TE extends TableExpressionOrList<DB, never>> = [ TE ] extends [keyof DB] ? DeleteQueryBuilder<DB, ExtractTableAlias<DB, TE>, DeleteResult> : [ TE ] extends [`${infer T} as ${infer A}`] ? T extends keyof DB ? DeleteQueryBuilder<DB & ShallowRecord<A, DB[T]>, A, DeleteResult> : never : TE extends ReadonlyArray<infer T> ? DeleteQueryBuilder<From<DB, T>, FromTables<DB, never, T>, DeleteResult> : DeleteQueryBuilder<From<DB, TE>, FromTables<DB, never, TE>, DeleteResult>;