WIP useWritableComputed

2

Author: vinpogo

packages/composables/src/useWritableComputed.ts

@@ -0,0 +1,19 @@
+import type { MaybeRefOrGetter } from 'vue'
+import { computed, ref, toValue } from 'vue'
+
+export function useWritableComputed<TValue, TSet = TValue>({
+  get = (v) => v as unknown as TValue,
+  set = (v) => v as unknown as TValue,
+  initial = undefined,
+}: {
+  get?: (val: TValue) => TValue
+  set?: (val: TSet) => TValue
+  initial?: MaybeRefOrGetter<TValue>
+} = {}) {
+  const innerValue = ref(toValue(initial))
+
+  return computed<TValue, TSet>({
+    get: () => get(innerValue.value),
+    set: (val) => (innerValue.value = set(val)),
+  })
+}