prostgles-types/dist/selectTypesV2.d.ts

Shared TypeScript object definitions for prostgles-client and prostgles-server

import type { CommonSelect, DBSchema } from ".";
type JoinSelect<S extends DBSchema, ParentK extends keyof S> = Partial<{
    [K in keyof Omit<S, ParentK>]: SelectV2<Omit<S, ParentK>, K>;
}>;
declare const FUNCTIONS: {
    readonly count: {
        readonly run: (colName: string) => void;
    };
    readonly max: {
        readonly run: (colName: string) => number;
    };
    readonly countAll: {
        readonly run: () => number;
    };
};
type OneOf<T> = {
    [K in keyof T]: Pick<T, K> & Partial<Record<Exclude<keyof T, K>, never>>;
}[keyof T];
type Functions = typeof FUNCTIONS;
type FunctionName = keyof typeof FUNCTIONS;
type FunctionAliasedSelect = {
    [alias: string]: OneOf<{
        [F in FunctionName]: Parameters<Functions[F]["run"]>;
    }>;
};
/**
 * Functions where the first argument is a column name
 */
type ShorthandFunction = keyof Functions;
export type SelectV2<S extends DBSchema, K extends keyof S, T = S[K]["columns"]> = ({
    [K in keyof Partial<T>]: true | 1 | ShorthandFunction;
} & Omit<JoinSelect<S, K>, keyof T> & Omit<FunctionAliasedSelect, keyof T>) | {
    [K in keyof Partial<T>]: true | 1 | string;
} | {
    [K in keyof Partial<T>]: 0 | false;
} | CommonSelect | (keyof Partial<T>)[];
export type SelectV2ReturnType<S extends DBSchema, K extends keyof S, Sel extends SelectV2<S, K>> = Sel extends (keyof S[K]["columns"])[] ? {
    [C in Sel[number]]: S[K]["columns"][C];
} : Sel extends "*" ? S[K]["columns"] : Sel extends "" ? Record<string, never> : Sel extends {
    [key: string]: any;
} ? {
    [C in keyof Sel as Sel[C] extends true | 1 ? C : never]: C extends keyof S[K]["columns"] ? S[K]["columns"][C] : never;
} & {
    [C in keyof Sel as Sel[C] extends ShorthandFunction ? C : never]: number;
} & {
    [C in keyof Sel as Sel[C] extends [infer ColName] ? ColName extends keyof S[K]["columns"] ? C : never : never]: number;
} & {
    [C in keyof Sel as C extends keyof S ? never : Sel[C] extends {
        [F in FunctionName]: any;
    } ? C : never]: number;
} : never;
export {};
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