Merge vitest

src/tests/util.ts

@@ -0,0 +1,44 @@
+/*
+Used to convert jest's Tagged Template literals to object arrays as required by vitest.
+
+Example:
+
+Jest code
+```ts
+it.each`
+str       | expected
+${'1d'}   | ${moment.duration(1, 'd')}
+${'2w'}   | ${moment.duration(2, 'w')}
+`('should parse $str to $expected duration', ({ str, expected }) => {
+   expect(yourFunction(str)).toEqual(expected);
+ });
+```
+
+Vitest code
+```ts
+it.each(convert`
+str       | expected
+${'1d'}   | ${moment.duration(1, 'd')}
+${'2w'}   | ${moment.duration(2, 'w')}
+`)('should parse $str to $expected duration', ({ str, expected }) => {
+   expect(yourFunction(str)).toEqual(expected);
+ });
+```
+*/
+
+export const convert = (template: TemplateStringsArray, ...params: any[]) => {
+  const header = template[0]
+    .trim()
+    .split('|')
+    .map((s) => s.trim());
+  if (header.length === 0 || params.length % header.length !== 0) {
+    throw new Error('Table column count mismatch');
+  }
+  const chunkSize = header.length;
+  const out = [];
+  for (let i = 0; i < params.length; i += chunkSize) {
+    const chunk = params.slice(i, i + chunkSize);
+    out.push(Object.fromEntries(chunk.map((v, i) => [header[i], v])));
+  }
+  return out;
+};