type-plus/esm/object/left_join.d.ts

Provides additional types for TypeScript.

import type { IsEqual } from '../equal/equal.js';
import type { AnyRecord } from './AnyRecord.js';
import type { IsDisjoint } from './IsDisjoint.js';
import type { KeysWithDiffType } from './KeysWithDiffType.js';
import type { Properties } from './properties.js';
export type ANotB<A extends AnyRecord, B extends AnyRecord> = IsEqual<A, B> extends true ? never : IsDisjoint<A, B> extends true ? A : {
    [k in Exclude<keyof A, keyof B> | KeysWithDiffType<A, B>]: A[k];
};
export type BNotA<A extends AnyRecord, B extends AnyRecord> = ANotB<B, A>;
export type LeftJoin<A extends AnyRecord, B extends AnyRecord> = IsEqual<A, B> extends true ? A : IsDisjoint<A, B> extends true ? A & B : Properties<{
    [k in Exclude<keyof A, keyof B>]: A[k];
} & {
    [k in keyof B]: B[k];
}>;
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