utils.ts

Filename	Percent	Threshold	Total	Covered	Uncovered
src/db/utils.ts	100.00%	80%	34	34	0

import { DuplicateModelInstanceError } from '$lib/exceptions/errors.js';
import { countBy } from 'lodash-es';

/**
 * Checks if a BulkUpsert action has duplicated model instances (which we never want!)
 * @param modelInstances Instances to check for duplicates by UID
 * @param modelName String name of the database table
 */
export const checkForDuplicates = (
  modelInstances: { uid: string }[],
  modelName: string
) => {
  if (modelInstances.length === 0) return;
  const attributes = Object.keys(modelInstances[0]);

  if (attributes.includes('uid')) {
    const countedInstances = countBy(modelInstances, (i) => i.uid);
    const duplicates = Object.keys(countedInstances).filter(
      (key) => countedInstances[key] > 1
    );
    if (duplicates.length > 0) {
      // Uncomment below to log a duplicated record
      // console.log(modelInstances.find(d => duplicates.includes(d.uid)));
      throw new DuplicateModelInstanceError(
        `${duplicates.length} duplicate instances found in bulkUpsert to model: ${modelName}`
      );
    }
  }
};

[]

TypeScript Coverage Report generated by type-coverage and typescript-coverage-report at Thu, 04 Apr 2024 19:50:44 GMT

TypeScript coverage report