From c00abf5ad767a2121eb486ca4a7f3cd665089665 Mon Sep 17 00:00:00 2001
From: mm <25961416+mlmoravek@users.noreply.github.com>
Date: Thu, 4 Jul 2024 16:42:52 +0200
Subject: [PATCH] revert(defineModel): reuse `useVModel` composable for
 generics where the type is `T | T[]` (#998)

---
 .../components/autocomplete/Autocomplete.vue  |  9 +--
 .../src/components/dropdown/Dropdown.vue      | 14 ++--
 packages/oruga/src/components/input/Input.vue | 23 ++++---
 .../components/select/examples/grouped.vue    |  2 +-
 .../oruga/src/components/switch/Switch.vue    |  5 +-
 .../components/switch/tests/switch.test.ts    |  9 ++-
 .../src/components/taginput/Taginput.vue      |  4 +-
 packages/oruga/src/composables/index.ts       |  1 +
 packages/oruga/src/composables/useVModel.ts   | 64 +++++++++++++++++++
 9 files changed, 105 insertions(+), 26 deletions(-)
 create mode 100644 packages/oruga/src/composables/useVModel.ts

diff --git a/packages/oruga/src/components/autocomplete/Autocomplete.vue b/packages/oruga/src/components/autocomplete/Autocomplete.vue
index 72dbcf28e..9691b7429 100644
--- a/packages/oruga/src/components/autocomplete/Autocomplete.vue
+++ b/packages/oruga/src/components/autocomplete/Autocomplete.vue
@@ -60,10 +60,7 @@ const props = defineProps({
         default: undefined,
     },
     /** The value of the inner input, use v-model:input to make it two-way binding */
-    input: {
-        type: String,
-        default: "",
-    },
+    input: { type: String, default: "" },
     /**
      * Options / suggestions
      * @type string[]|object[]
@@ -694,9 +691,9 @@ function handleBlur(event: Event): void {
 }
 
 /** emit input change event */
-function onInput(value: string): void {
+function onInput(value: string | number): void {
     if (props.keepFirst && !selectedOption.value) hoverFirstOption();
-    emits("input", value);
+    emits("input", String(value));
     checkHtml5Validity();
 }
 
diff --git a/packages/oruga/src/components/dropdown/Dropdown.vue b/packages/oruga/src/components/dropdown/Dropdown.vue
index f6904b670..b5402dda0 100644
--- a/packages/oruga/src/components/dropdown/Dropdown.vue
+++ b/packages/oruga/src/components/dropdown/Dropdown.vue
@@ -22,6 +22,7 @@ import {
     useMatchMedia,
     useEventListener,
     useClickOutside,
+    useVModel,
 } from "@/composables";
 
 import type { DropdownComponent } from "./types";
@@ -156,7 +157,7 @@ const props = defineProps({
      */
     ariaRole: {
         type: String,
-        default: getOption("dropdown.ariaRole", "list"),
+        default: () => getOption("dropdown.ariaRole", "list"),
         validator: (value: string) =>
             ["list", "listbox", "menu", "dialog"].indexOf(value) > -1,
     },
@@ -275,7 +276,8 @@ const emits = defineEmits<{
 }>();
 
 /** The selected item value */
-const vmodel = defineModel<T | T[]>({ default: undefined });
+// const vmodel = defineModel<T | T[]>({ default: undefined });
+const vmodel = useVModel<T | T[]>();
 
 /** The active state of the dropdown, use v-model:active to make it two-way binding */
 const isActive = defineModel<boolean>("active", { default: false });
@@ -468,21 +470,21 @@ function selectItem(value: T): void {
         if (vmodel.value && Array.isArray(vmodel.value)) {
             if (vmodel.value.indexOf(value) === -1) {
                 // add a value
-                vmodel.value = [...vmodel.value, value] as T;
+                vmodel.value = [...vmodel.value, value];
             } else {
                 // remove a value
-                vmodel.value = vmodel.value.filter((val) => val !== value) as T;
+                vmodel.value = vmodel.value.filter((val) => val !== value);
             }
         } else {
             // init new value array
-            vmodel.value = [value] as T;
+            vmodel.value = [value];
         }
         // emit change after vmodel has changed
         nextTick(() => emits("change", vmodel.value));
     } else {
         if (vmodel.value !== value) {
             // update a single value
-            vmodel.value = value as T;
+            vmodel.value = value;
             // emit change after vmodel has changed
             nextTick(() => emits("change", vmodel.value));
         }
diff --git a/packages/oruga/src/components/input/Input.vue b/packages/oruga/src/components/input/Input.vue
index 604ff037b..0644665da 100644
--- a/packages/oruga/src/components/input/Input.vue
+++ b/packages/oruga/src/components/input/Input.vue
@@ -3,7 +3,7 @@
     lang="ts"
     generic="
         IsNumber extends boolean,
-        ModelValue extends IsNumber extends true ? number : string
+        T extends IsNumber extends true ? number : string
     ">
 import {
     ref,
@@ -19,7 +19,12 @@ import OIcon from "../icon/Icon.vue";
 
 import { getOption } from "@/utils/config";
 import { uuid } from "@/utils/helpers";
-import { defineClasses, useDebounce, useInputHandler } from "@/composables";
+import {
+    defineClasses,
+    useDebounce,
+    useInputHandler,
+    useVModel,
+} from "@/composables";
 
 import { injectField } from "../field/fieldInjection";
 
@@ -43,7 +48,7 @@ const props = defineProps({
      * @type string | number
      */
     modelValue: {
-        type: [Number, String] as unknown as PropType<ModelValue>,
+        type: [Number, String] as unknown as PropType<T>,
         default: undefined,
     },
     /** @type boolean */
@@ -226,13 +231,13 @@ const emits = defineEmits<{
      * modelValue prop two-way binding
      * @param value {string | number} updated modelValue prop
      */
-    (e: "update:modelValue", value: ModelValue): void;
+    (e: "update:modelValue", value: T): void;
     /**
      * on input change event
      * @param value {string | number} input value
      * @param event {Event} native event
      */
-    (e: "input", value: ModelValue, event: Event): void;
+    (e: "input", value: T, event: Event): void;
     /**
      * on input focus event
      * @param event {Event} native event
@@ -283,7 +288,8 @@ const {
 // inject parent field component if used inside one
 const { parentField, statusVariant, statusVariantIcon } = injectField();
 
-const vmodel = defineModel<ModelValue>({ default: undefined });
+// const vmodel = defineModel<T>({ default: undefined });
+const vmodel = useVModel<T>();
 
 // if id is given set as `for` property on o-field wrapper
 if (props.id) parentField?.value?.setInputId(props.id);
@@ -350,7 +356,7 @@ watch(
 
 function onInput(event: Event): void {
     const value = (event.target as HTMLInputElement).value;
-    const input = (props.number ? Number(value) : String(value)) as ModelValue;
+    const input = (props.number ? Number(value) : String(value)) as T;
     emits("input", input, event);
 }
 
@@ -386,8 +392,7 @@ function iconClick(event: Event): void {
 
 function rightIconClick(event: Event): void {
     if (props.passwordReveal) togglePasswordVisibility();
-    else if (props.clearable)
-        vmodel.value = (props.number ? 0 : "") as ModelValue;
+    else if (props.clearable) vmodel.value = (props.number ? 0 : "") as T;
     if (props.iconRightClickable) {
         emits("icon-right-click", event);
         nextTick(() => setFocus());
diff --git a/packages/oruga/src/components/select/examples/grouped.vue b/packages/oruga/src/components/select/examples/grouped.vue
index bad6169ec..f5b9553eb 100644
--- a/packages/oruga/src/components/select/examples/grouped.vue
+++ b/packages/oruga/src/components/select/examples/grouped.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { ref } from "vue";
 
-const selected = ref([]);
+const selected = ref<string[]>([]);
 </script>
 
 <template>
diff --git a/packages/oruga/src/components/switch/Switch.vue b/packages/oruga/src/components/switch/Switch.vue
index 1bc4b8294..887ece9b1 100644
--- a/packages/oruga/src/components/switch/Switch.vue
+++ b/packages/oruga/src/components/switch/Switch.vue
@@ -2,7 +2,7 @@
 import { computed, ref, type PropType } from "vue";
 
 import { getOption } from "@/utils/config";
-import { defineClasses, useInputHandler } from "@/composables";
+import { defineClasses, useInputHandler, useVModel } from "@/composables";
 
 import type { ComponentClass } from "@/types";
 
@@ -205,7 +205,8 @@ const { onBlur, onFocus, onInvalid, setFocus } = useInputHandler(
     props,
 );
 
-const vmodel = defineModel<T>({ default: undefined });
+// const vmodel = defineModel<T>({ default: undefined });
+const vmodel = useVModel<T>();
 
 const isChecked = computed(
     () =>
diff --git a/packages/oruga/src/components/switch/tests/switch.test.ts b/packages/oruga/src/components/switch/tests/switch.test.ts
index aa3c93700..71eabf0f9 100644
--- a/packages/oruga/src/components/switch/tests/switch.test.ts
+++ b/packages/oruga/src/components/switch/tests/switch.test.ts
@@ -129,7 +129,13 @@ describe("OSwitch tests", () => {
         const trueValue = { a: "a", b: "b" };
         const falseValue = { y: "y", x: "X" };
         const wrapper = mount<typeof OSwitch<object>>(OSwitch, {
-            props: { modelValue: falseValue, trueValue, falseValue },
+            props: {
+                modelValue: falseValue,
+                trueValue,
+                falseValue,
+                "onUpdate:modelValue": (e) =>
+                    wrapper.setProps({ modelValue: e }),
+            },
         });
 
         const input = wrapper.find("input");
@@ -144,6 +150,7 @@ describe("OSwitch tests", () => {
         await input.setValue(false);
         emits = wrapper.emitted("update:modelValue");
         expect(emits).toHaveLength(2);
+        expect(emits[0]).toContainEqual(trueValue);
         expect(emits[1]).toContainEqual(falseValue);
         expect(wrapper.vm.value).toEqual(falseValue);
     });
diff --git a/packages/oruga/src/components/taginput/Taginput.vue b/packages/oruga/src/components/taginput/Taginput.vue
index f1ca6f20a..135b94764 100644
--- a/packages/oruga/src/components/taginput/Taginput.vue
+++ b/packages/oruga/src/components/taginput/Taginput.vue
@@ -17,6 +17,7 @@ import {
     defineClasses,
     getActiveClasses,
     useInputHandler,
+    useVModel,
 } from "@/composables";
 
 import type { ComponentClass } from "@/types";
@@ -298,7 +299,8 @@ const emits = defineEmits<{
 
 const autocompleteRef = ref<ComponentInstance<typeof OAutocomplete<T>>>();
 
-const items = defineModel<T[]>({ default: () => [] });
+// const items = defineModel<T[]>({ default: () => [] });
+const items = useVModel<T[]>();
 
 // use form input functionalities
 const { setFocus, onFocus, onBlur, onInvalid } = useInputHandler(
diff --git a/packages/oruga/src/composables/index.ts b/packages/oruga/src/composables/index.ts
index 699315858..aa0affa43 100644
--- a/packages/oruga/src/composables/index.ts
+++ b/packages/oruga/src/composables/index.ts
@@ -9,3 +9,4 @@ export * from "./useProgrammatic";
 export * from "./useClickOutside";
 export * from "./useScrollingParent";
 export * from "./useObjectMap";
+export * from "./useVModel";
diff --git a/packages/oruga/src/composables/useVModel.ts b/packages/oruga/src/composables/useVModel.ts
new file mode 100644
index 000000000..197104343
--- /dev/null
+++ b/packages/oruga/src/composables/useVModel.ts
@@ -0,0 +1,64 @@
+import { ref, watch, nextTick, getCurrentInstance, type Ref } from "vue";
+
+/**
+ * Adaption of {@link https://vueuse.org/core/useVModel/} options.
+ */
+export interface PropBindingOptions {
+    /**
+     * Attempting to check for changes of properties in a deeply nested object or array.
+     * Apply only when `passive` option is set to `true`
+     *
+     * @default false
+     */
+    deep?: boolean;
+}
+
+/**
+ * @deprecated can be replaced by `defineModel` with vue 3.5
+ * Use two-way model binding in script setup syntax.
+ * Adaption of {@link https://vueuse.org/core/useVModel/}.
+ * @param name Property name
+ * @param options Extended usage options
+ * @returns Ref<T>
+ */
+export function useVModel<T>(
+    name: string = "modelValue",
+    options?: PropBindingOptions,
+): Ref<T> {
+    // getting a hold of the internal instance in setup()
+    const vm = getCurrentInstance();
+    if (!vm)
+        throw new Error(
+            "useVModel must be called within a component setup function.",
+        );
+
+    /** reactive two-way binding model */
+    const proxy = ref<T>(vm.proxy.$props[name!]) as Ref<T>;
+
+    let isUpdating = false;
+
+    watch(
+        () => vm.proxy.$props[name!],
+        (value) => {
+            if (!isUpdating) {
+                isUpdating = true;
+                proxy.value = value;
+                nextTick(() => (isUpdating = false));
+            }
+        },
+    );
+
+    watch(
+        proxy,
+        (value) => {
+            if (
+                (!isUpdating && value !== vm.proxy.$props[name!]) ||
+                options?.deep
+            )
+                vm.emit(`update:${name}`, value);
+        },
+        { deep: options?.deep },
+    );
+
+    return proxy;
+}