betterddb/dist/builders/update-builder.d.ts

A definition-based DynamoDB wrapper library that provides a schema-driven and fully typesafe DAL.

import { type NativeAttributeValue } from "@aws-sdk/lib-dynamodb";
import { type BetterDDB } from "../betterddb.js";
import { type TransactWriteItem } from "@aws-sdk/client-dynamodb";
export declare class UpdateBuilder<T> {
    private parent;
    private key;
    private actions;
    private condition?;
    private extraTransactItems;
    constructor(parent: BetterDDB<T>, key: Partial<T>);
    set(attrs: Partial<T>): this;
    remove(attrs: (keyof T)[]): this;
    add(attrs: Partial<Record<keyof T, number | Set<NativeAttributeValue>>>): this;
    delete(attrs: Partial<Record<keyof T, Set<NativeAttributeValue>>>): this;
    /**
     * Adds a condition expression to the update.
     */
    setCondition(expression: string, attributeValues: Record<string, NativeAttributeValue>, attributeNames: Record<string, string>): this;
    /**
     * Specifies additional transaction items to include when executing this update as a transaction.
     */
    transactWrite(ops: TransactWriteItem[] | TransactWriteItem): this;
    /**
     * Builds the update expression and associated maps.
     */
    private buildExpression;
    /**
     * Returns a transaction update item that can be included in a transactWrite call.
     */
    toTransactUpdate(newItemForIndexes?: T): Promise<TransactWriteItem>;
    private createExpectedNewItem;
    /**
     * Commits the update immediately by calling the parent's update method.
     */
    execute(): Promise<T>;
}
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