dynamodb-toolbox
Version:
Lightweight and type-safe query builder for DynamoDB and TypeScript.
16 lines (15 loc) • 643 B
JavaScript
import { attrOrValueTokens, pathTokens } from './utils.js';
export const expressBeginsWithCondition = (condition, prefix = '', state) => {
let ConditionExpression = '';
const { attr, beginsWith } = condition;
ConditionExpression += 'begins_with(';
ConditionExpression += pathTokens(attr, prefix, state);
ConditionExpression += ', ';
ConditionExpression += attrOrValueTokens(beginsWith, prefix, state);
ConditionExpression += ')';
return {
ConditionExpression,
ExpressionAttributeNames: state.ExpressionAttributeNames,
ExpressionAttributeValues: state.ExpressionAttributeValues
};
};