fix(core): ensure correct column order in CSV export (#2734)

Closes #2718

Author: B4nan

packages/core/src/storages/dataset.ts

@@ -347,7 +347,13 @@ export class Dataset<Data extends Dictionary = Dictionary> {
  const items = await this.export(options);
 
  if (contentType === 'text/csv') {
- const value = stringify([Object.keys(items[0]), ...items.map((item) => Object.values(item))]);
+ const keys = Object.keys(items[0]);
+ const value = stringify([
+ keys,
+ ...items.map((item) => {
+ return keys.map((k) => item[k]);
+ }),
+ ]);
  await kvStore.setValue(key, value, { contentType });
  return items;
  }

test/core/storages/dataset.test.ts

@@ -486,10 +486,16 @@ describe('dataset', () => {
  describe('exportToJSON', () => {
  const dataToPush = [
  {
- hello: 'world',
+ hello: 'world 1',
+ foo: 'bar 1',
+ },
+ {
+ foo: 'bar 2',
+ hello: 'world 2',
  },
  {
- foo: 'bar',
+ hello: 'world 3',
+ foo: 'bar 3',
  },
  ];
 
@@ -518,8 +524,12 @@ describe('dataset', () => {
  foo: 'bar 1',
  },
  {
- hello: 'world 2',
  foo: 'bar 2',
+ hello: 'world 2',
+ },
+ {
+ hello: 'world 3',
+ foo: 'bar 3',
  },
  ];
 
@@ -529,15 +539,15 @@ describe('dataset', () => {
  await dataset.exportToCSV('HELLO-csv');
 
  const kvData = await KeyValueStore.getValue('HELLO-csv');
- expect(kvData).toEqual('hello,foo\nworld 1,bar 1\nworld 2,bar 2\n');
+ expect(kvData).toEqual('hello,foo\nworld 1,bar 1\nworld 2,bar 2\nworld 3,bar 3\n');
  });
 
  it('Should work as a static method for the default dataset', async () => {
  await Dataset.pushData(dataToPush);
  await Dataset.exportToCSV('TEST-123-123-csv');
 
  const kvData = await KeyValueStore.getValue('TEST-123-123-csv');
- expect(kvData).toEqual('hello,foo\nworld 1,bar 1\nworld 2,bar 2\n');
+ expect(kvData).toEqual('hello,foo\nworld 1,bar 1\nworld 2,bar 2\nworld 3,bar 3\n');
  });
  });
  });