feat(zipalltotuple): add zipAllToTuple function

src/transformers/zipAllToTuple.ts

@@ -0,0 +1,27 @@
+import { deferP0 } from 'ts-functional-pipe'
+
+export function* _zipAllToTuple<T extends readonly any[]>(src: Iterablified<T>): Iterable<T> {
+  const iterators = (src.map((iterable) =>
+    iterable[Symbol.iterator]()
+  ) as unknown) as Iteratorfied<T>
+  for (;;) {
+    const itRes = (iterators.map((it) => it.next()) as unknown) as IteratorResultified<T>
+    if (itRes.some((r) => r.done)) {
+      break
+    }
+    const v = (itRes.map((r) => r.value) as unknown) as T
+    yield v
+  }
+}
+
+export const zipAllToTuple = deferP0(_zipAllToTuple)
+
+type Iterablified<T extends readonly any[]> = {
+  [P in keyof T]: Iterable<T[P]>
+}
+type Iteratorfied<T extends readonly any[]> = {
+  [P in keyof T]: Iterator<T[P]>
+}
+type IteratorResultified<T extends readonly any[]> = {
+  [P in keyof T]: IteratorResult<T[P]>
+}

src/ts-iterable-functions.ts

@@ -79,3 +79,4 @@ export { unwrapIndexed, _unwrapIndexed } from './transformers/unwrapIndexed'
 export { where, _where } from './transformers/where'
 export { zip, _zip } from './transformers/zip'
 export { zipAll, _zipAll } from './transformers/zipAll'
+export { zipAllToTuple, _zipAllToTuple } from './transformers/zipAllToTuple'