@env0/dynamo-easy/dist/_esm2015/dynamo/get-table-name.function.js

DynamoDB client for NodeJS and browser with a fluent api to build requests. We take care of the type mapping between JS and DynamoDB, customizable trough typescript decorators.

/**
 * @module dynamo-easy
 */
import { dynamoEasyConfig } from '../config/dynamo-easy-config';
import { Metadata } from '../decorator/metadata/metadata';
import { metadataForModel } from '../decorator/metadata/metadata-for-model.function';
/**
 * only contains these characters «a-z A-Z 0-9 - _ .» and is between 3 and 255 characters long
 * http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Limits.html#limits-naming-rules
 * @hidden
 */
const REGEX_TABLE_NAME = /^[a-zA-Z0-9_\-.]{3,255}$/;
/**
 * @hidden
 */
export function getTableName(metaDataOrModelClazz) {
    const modelOptions = metaDataOrModelClazz instanceof Metadata
        ? metaDataOrModelClazz.modelOptions
        : metadataForModel(metaDataOrModelClazz).modelOptions;
    const tableName = dynamoEasyConfig.tableNameResolver(modelOptions.tableName);
    if (!REGEX_TABLE_NAME.test(tableName)) {
        throw new Error(`make sure the table name «${tableName}» is valid (see http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Limits.html#limits-naming-rules for details)`);
    }
    return tableName;
}
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