tuplo/dynoexpr

import type { IKeyConditionInput } from "src/dynoexpr.d";

import {
    buildConditionAttributeNames,
    buildConditionAttributeValues,
    buildConditionExpression,
} from "./helpers";

export function getKeyConditionExpression(params: IKeyConditionInput = {}) {
    if (!params.KeyCondition) {
        return params;
    }

    const { KeyCondition, KeyConditionLogicalOperator, ...restOfParams } = params;

    const KeyConditionExpression = buildConditionExpression({
        Condition: KeyCondition,
        LogicalOperator: KeyConditionLogicalOperator,
    });

    const ExpressionAttributeNames = buildConditionAttributeNames(
        KeyCondition,
        params
    );

    const ExpressionAttributeValues = buildConditionAttributeValues(
        KeyCondition,
        params
    );

    return {
        ...restOfParams,
        KeyConditionExpression,
        ExpressionAttributeNames,
        ExpressionAttributeValues,
    };
}