load extensions

packages/web/src/plugins/fileformats.ts

@@ -0,0 +1,34 @@
+import { FileFormatDefinition } from 'dbgate-types';
+
+const jsonlFormat = {
+  storageType: 'jsonl',
+  extension: 'jsonl',
+  name: 'JSON lines',
+  readerFunc: 'jsonLinesReader',
+  writerFunc: 'jsonLinesWriter',
+};
+
+export function buildFileFormats(plugins): FileFormatDefinition[] {
+  const res = [jsonlFormat];
+  for (const { content } of plugins) {
+    const { fileFormats } = content;
+    if (fileFormats) res.push(...fileFormats);
+  }
+  return res;
+}
+
+export function findFileFormat(extensions, storageType) {
+  return extensions.fileFormats.find(x => x.storageType == storageType);
+}
+
+export function getFileFormatDirections(format) {
+  if (!format) return [];
+  const res = [];
+  if (format.readerFunc) res.push('source');
+  if (format.writerFunc) res.push('target');
+  return res;
+}
+
+export function getDefaultFileFormat(extensions) {
+  return extensions.fileFormats.find(x => x.storageType == 'csv') || jsonlFormat;
+}