add duckdb-ui-client & other ts pkgs (#10)

* add duckdb-ui-client & other ts pkgs

* workflow fixes

* fix working dir

* no sparse checkout; specify package.json path

* path to pnpm-lock.yaml

* add check & build test

* workflow step descriptions

* use comments & names

* one more naming tweak

ts/pkgs/duckdb-ui-client/test/http/functions/makeDuckDBUIHttpRequestHeaders.test.ts

@@ -0,0 +1,39 @@
+import { expect, suite, test } from 'vitest';
+import { makeDuckDBUIHttpRequestHeaders } from '../../../src/http/functions/makeDuckDBUIHttpRequestHeaders';
+
+suite('makeDuckDBUIHttpRequestHeaders', () => {
+  test('description', () => {
+    expect([
+      ...makeDuckDBUIHttpRequestHeaders({
+        description: 'example description',
+      }).entries(),
+    ]).toEqual([['x-duckdb-ui-request-description', 'example description']]);
+  });
+  test('connection name', () => {
+    expect([
+      ...makeDuckDBUIHttpRequestHeaders({
+        connectionName: 'example connection name',
+      }).entries(),
+    ]).toEqual([['x-duckdb-ui-connection-name', 'example connection name']]);
+  });
+  test('database name', () => {
+    // should be base64 encoded
+    expect([
+      ...makeDuckDBUIHttpRequestHeaders({
+        databaseName: 'example database name',
+      }).entries(),
+    ]).toEqual([['x-duckdb-ui-database-name', 'ZXhhbXBsZSBkYXRhYmFzZSBuYW1l']]);
+  });
+  test('parameters', () => {
+    // values should be base64 encoded
+    expect([
+      ...makeDuckDBUIHttpRequestHeaders({
+        parameters: ['first', 'second'],
+      }).entries(),
+    ]).toEqual([
+      ['x-duckdb-ui-parameter-count', '2'],
+      ['x-duckdb-ui-parameter-value-0', 'Zmlyc3Q='],
+      ['x-duckdb-ui-parameter-value-1', 'c2Vjb25k'],
+    ]);
+  });
+});