drizzle-orm/alias.cjs.map

Drizzle ORM package for SQL databases

{"version":3,"sources":["../src/alias.ts"],"sourcesContent":["import type { AnyColumn } from './column.ts';\nimport { Column } from './column.ts';\nimport { entityKind, is } from './entity.ts';\nimport type { Relation } from './relations.ts';\nimport type { View } from './sql/sql.ts';\nimport { SQL, sql } from './sql/sql.ts';\nimport { Table } from './table.ts';\nimport { ViewBaseConfig } from './view-common.ts';\n\nexport class ColumnAliasProxyHandler<TColumn extends Column> implements ProxyHandler<TColumn> {\n\tstatic readonly [entityKind]: string = 'ColumnAliasProxyHandler';\n\n\tconstructor(private table: Table | View) {}\n\n\tget(columnObj: TColumn, prop: string | symbol): any {\n\t\tif (prop === 'table') {\n\t\t\treturn this.table;\n\t\t}\n\n\t\treturn columnObj[prop as keyof TColumn];\n\t}\n}\n\nexport class TableAliasProxyHandler<T extends Table | View> implements ProxyHandler<T> {\n\tstatic readonly [entityKind]: string = 'TableAliasProxyHandler';\n\n\tconstructor(private alias: string, private replaceOriginalName: boolean) {}\n\n\tget(target: T, prop: string | symbol): any {\n\t\tif (prop === Table.Symbol.IsAlias) {\n\t\t\treturn true;\n\t\t}\n\n\t\tif (prop === Table.Symbol.Name) {\n\t\t\treturn this.alias;\n\t\t}\n\n\t\tif (this.replaceOriginalName && prop === Table.Symbol.OriginalName) {\n\t\t\treturn this.alias;\n\t\t}\n\n\t\tif (prop === ViewBaseConfig) {\n\t\t\treturn {\n\t\t\t\t...target[ViewBaseConfig as keyof typeof target],\n\t\t\t\tname: this.alias,\n\t\t\t\tisAlias: true,\n\t\t\t};\n\t\t}\n\n\t\tif (prop === Table.Symbol.Columns) {\n\t\t\tconst columns = (target as Table)[Table.Symbol.Columns];\n\t\t\tif (!columns) {\n\t\t\t\treturn columns;\n\t\t\t}\n\n\t\t\tconst proxiedColumns: { [key: string]: any } = {};\n\n\t\t\tObject.keys(columns).map((key) => {\n\t\t\t\tproxiedColumns[key] = new Proxy(\n\t\t\t\t\tcolumns[key]!,\n\t\t\t\t\tnew ColumnAliasProxyHandler(new Proxy(target, this)),\n\t\t\t\t);\n\t\t\t});\n\n\t\t\treturn proxiedColumns;\n\t\t}\n\n\t\tconst value = target[prop as keyof typeof target];\n\t\tif (is(value, Column)) {\n\t\t\treturn new Proxy(value as AnyColumn, new ColumnAliasProxyHandler(new Proxy(target, this)));\n\t\t}\n\n\t\treturn value;\n\t}\n}\n\nexport class RelationTableAliasProxyHandler<T extends Relation> implements ProxyHandler<T> {\n\tstatic readonly [entityKind]: string = 'RelationTableAliasProxyHandler';\n\n\tconstructor(private alias: string) {}\n\n\tget(target: T, prop: string | symbol): any {\n\t\tif (prop === 'sourceTable') {\n\t\t\treturn aliasedTable(target.sourceTable, this.alias);\n\t\t}\n\n\t\treturn target[prop as keyof typeof target];\n\t}\n}\n\nexport function aliasedTable<T extends Table | View>(\n\ttable: T,\n\ttableAlias: string,\n): T {\n\treturn new Proxy(table, new TableAliasProxyHandler(tableAlias, false)) as any;\n}\n\nexport function aliasedRelation<T extends Relation>(relation: T, tableAlias: string): T {\n\treturn new Proxy(relation, new RelationTableAliasProxyHandler(tableAlias));\n}\n\nexport function aliasedTableColumn<T extends AnyColumn>(column: T, tableAlias: string): T {\n\treturn new Proxy(\n\t\tcolumn,\n\t\tnew ColumnAliasProxyHandler(new Proxy(column.table, new TableAliasProxyHandler(tableAlias, false))),\n\t);\n}\n\nexport function mapColumnsInAliasedSQLToAlias(query: SQL.Aliased, alias: string): SQL.Aliased {\n\treturn new SQL.Aliased(mapColumnsInSQLToAlias(query.sql, alias), query.fieldAlias);\n}\n\nexport function mapColumnsInSQLToAlias(query: SQL, alias: string): SQL {\n\treturn sql.join(query.queryChunks.map((c) => {\n\t\tif (is(c, Column)) {\n\t\t\treturn aliasedTableColumn(c, alias);\n\t\t}\n\t\tif (is(c, SQL)) {\n\t\t\treturn mapColumnsInSQLToAlias(c, alias);\n\t\t}\n\t\tif (is(c, SQL.Aliased)) {\n\t\t\treturn mapColumnsInAliasedSQLToAlias(c, alias);\n\t\t}\n\t\treturn 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