dynamodb-toolbox
Version:
Lightweight and type-safe query builder for DynamoDB and TypeScript.
9 lines (8 loc) • 337 B
JavaScript
import { isObject } from '../../../../utils/validation/isObject.js';
import { $IS_EXTENSION } from './isExtension.js';
export const $SUBTRACT = Symbol('$SUBTRACT');
export const $subtract = (a, b) => ({
[$IS_EXTENSION]: true,
[$SUBTRACT]: [a, b]
});
export const isSubtraction = (input) => isObject(input) && $SUBTRACT in input;