dynamodb-toolbox/dist/esm/schema/actions/parseCondition/expressCondition/conditions/logical.js

Lightweight and type-safe query builder for DynamoDB and TypeScript.

import { expressCondition } from '../expressCondition.js';
export const expressOrCondition = (condition, prefix = '', state) => {
    let ConditionExpression = '';
    const { or } = condition;
    const [orHead, ...orTail] = or;
    if (orTail.length === 0) {
        return expressCondition(orHead, prefix, state);
    }
    ConditionExpression += '(';
    ConditionExpression += or
        .map(cond => expressCondition(cond, prefix, state).ConditionExpression)
        .join(') OR (');
    ConditionExpression += ')';
    return {
        ConditionExpression,
        ExpressionAttributeNames: state.ExpressionAttributeNames,
        ExpressionAttributeValues: state.ExpressionAttributeValues
    };
};
export const expressAndCondition = (condition, prefix = '', state) => {
    let ConditionExpression = '';
    const { and } = condition;
    const [andHead, ...andTail] = and;
    if (andTail.length === 0) {
        return expressCondition(andHead, prefix, state);
    }
    ConditionExpression += '(';
    ConditionExpression += and
        .map(cond => expressCondition(cond, prefix, state).ConditionExpression)
        .join(') AND (');
    ConditionExpression += ')';
    return {
        ConditionExpression,
        ExpressionAttributeNames: state.ExpressionAttributeNames,
        ExpressionAttributeValues: state.ExpressionAttributeValues
    };
};
export const expressNotCondition = (condition, prefix = '', state) => {
    let ConditionExpression = '';
    const { not } = condition;
    ConditionExpression += 'NOT (';
    ConditionExpression += expressCondition(not, prefix, state).ConditionExpression;
    ConditionExpression += ')';
    return {
        ConditionExpression,
        ExpressionAttributeNames: state.ExpressionAttributeNames,
        ExpressionAttributeValues: state.ExpressionAttributeValues
    };
};