From 859c64c40028bc278f419a8f4dd85506b795f8e2 Mon Sep 17 00:00:00 2001
From: Mert Sincan <sincan.mert@gmail.com>
Date: Thu, 31 Oct 2024 13:13:30 +0000
Subject: [PATCH] Fixed #6693 - New Component: FormField

---
 packages/form/src/formfield/BaseFormField.vue |  54 ++++
 packages/form/src/formfield/FormField.d.ts    | 282 ++++++++++++++++++
 packages/form/src/formfield/FormField.vue     |  51 ++++
 packages/form/src/formfield/package.json      |  11 +
 .../src/formfield/style/FormFieldStyle.d.ts   |  17 ++
 .../src/formfield/style/FormFieldStyle.js     |  10 +
 .../form/src/formfield/style/package.json     |   6 +
 packages/metadata/src/components/index.ts     |   5 +-
 8 files changed, 435 insertions(+), 1 deletion(-)
 create mode 100644 packages/form/src/formfield/BaseFormField.vue
 create mode 100644 packages/form/src/formfield/FormField.d.ts
 create mode 100644 packages/form/src/formfield/FormField.vue
 create mode 100644 packages/form/src/formfield/package.json
 create mode 100644 packages/form/src/formfield/style/FormFieldStyle.d.ts
 create mode 100644 packages/form/src/formfield/style/FormFieldStyle.js
 create mode 100644 packages/form/src/formfield/style/package.json

diff --git a/packages/form/src/formfield/BaseFormField.vue b/packages/form/src/formfield/BaseFormField.vue
new file mode 100644
index 000000000..97868d47b
--- /dev/null
+++ b/packages/form/src/formfield/BaseFormField.vue
@@ -0,0 +1,54 @@
+<script>
+import BaseComponent from '@primevue/core/basecomponent';
+import FormFieldStyle from '@primevue/form/field/style';
+
+export default {
+    name: 'BaseFormField',
+    extends: BaseComponent,
+    style: FormFieldStyle,
+    props: {
+        name: {
+            type: String,
+            default: undefined
+        },
+        resolver: {
+            type: Function,
+            default: undefined
+        },
+        initialValue: {
+            type: null,
+            default: undefined
+        },
+        validateOnValueUpdate: {
+            type: Boolean,
+            default: undefined
+        },
+        validateOnBlur: {
+            type: Boolean,
+            default: undefined
+        },
+        validateOnMount: {
+            type: Boolean,
+            default: undefined
+        },
+        validateOnSubmit: {
+            type: Boolean,
+            default: undefined
+        },
+        as: {
+            type: [String, Object],
+            default: 'DIV'
+        },
+        asChild: {
+            type: Boolean,
+            default: false
+        }
+    },
+    provide() {
+        return {
+            $pcFormField: this,
+            $parentInstance: this
+        };
+    }
+};
+</script>
diff --git a/packages/form/src/formfield/FormField.d.ts b/packages/form/src/formfield/FormField.d.ts
new file mode 100644
index 000000000..0834ec7e8
--- /dev/null
+++ b/packages/form/src/formfield/FormField.d.ts
@@ -0,0 +1,282 @@
+/**
+ *
+ * FormField is a helper component that provides validation and tracking for form fields.
+ * It is a helper component for the Form component.
+ *
+ * [Live Demo](https://www.primevue.org/form/)
+ *
+ * @module formfield
+ * @todo Add more documentation
+ */
+import type { DefineComponent, DesignToken, EmitFn, PassThrough } from '@primevue/core';
+import type { ComponentHooks } from '@primevue/core/basecomponent';
+import { VNode } from 'vue';
+
+/**
+ * From primevue/passthrough/index.d.ts
+ */
+export declare type PassThroughMergePropsType = ((...args: any) => object | undefined) | boolean | undefined;
+
+export interface PassThroughOptions {
+    mergeSections?: boolean | undefined;
+    mergeProps?: PassThroughMergePropsType;
+}
+
+export declare type FormFieldPassThroughOptionType = FormFieldPassThroughAttributes | ((options: FormFieldPassThroughMethodOptions) => FormFieldPassThroughAttributes | string) | string | null | undefined;
+
+/**
+ * Custom passthrough(pt) option method.
+ */
+export interface FormFieldPassThroughMethodOptions {
+    /**
+     * Defines instance.
+     */
+    instance: any;
+    /**
+     * Defines valid properties.
+     */
+    props: FormFieldProps;
+    /**
+     * Defines valid attributes.
+     */
+    attrs: any;
+    /**
+     * Defines parent options.
+     */
+    parent: any;
+    /**
+     * Defines passthrough(pt) options in global config.
+     */
+    global: object | undefined;
+}
+
+/**
+ * Custom passthrough(pt) options.
+ * @see {@link FormFieldProps.pt}
+ */
+export interface FormFieldPassThroughOptions {
+    /**
+     * Used to pass attributes to the root's DOM element.
+     */
+    root?: FormFieldPassThroughOptionType;
+    /**
+     * Used to manage all lifecycle hooks.
+     * @see {@link BaseComponent.ComponentHooks}
+     */
+    hooks?: ComponentHooks;
+}
+
+/**
+ * Custom passthrough attributes for each DOM elements
+ */
+export interface FormFieldPassThroughAttributes {
+    [key: string]: any;
+}
+
+/**
+ * Resolver options for Form component.
+ */
+export interface FormFieldResolverOptions {
+    /**
+     * The values of the form fields.
+     */
+    values: Record<string, any>;
+    /**
+     * The names of the form fields.
+     */
+    names: string[] | undefined;
+}
+
+/**
+ * Submit events
+ */
+export interface FormFieldSubmitEvent {
+    /**
+     * The original DOM event.
+     */
+    originalEvent: Event;
+    /**
+     * The form values.
+     */
+    values: Record<string, any>;
+    /**
+     * The form state.
+     */
+    states: Record<string, FormFieldState>;
+    /**
+     * Whether the form is valid.
+     */
+    valid: boolean;
+    /**
+     * The form errors.
+     */
+    errors: any[];
+    /**
+     * Resets the form.
+     */
+    reset: () => void;
+}
+
+/**
+ * The state of a form field.
+ */
+export interface FormFieldState {
+    /**
+     * The value of the form field.
+     */
+    value: any;
+    /**
+     * Whether the form field has been touched.
+     * @defaultValue false
+     */
+    touched: boolean;
+    /**
+     * Whether the form field has been modified.
+     * @defaultValue false
+     */
+    dirty: boolean;
+    /**
+     * Whether the form field has not been modified.
+     * @defaultValue true
+     */
+    pristine: boolean;
+    /**
+     * Whether the form field is valid.
+     * @defaultValue true
+     */
+    valid: boolean;
+    /**
+     * Whether the form field is invalid.
+     * @defaultValue false
+     */
+    invalid: boolean;
+    /**
+     * The first error message of the form field.
+     */
+    error: any;
+    /**
+     * All error messages of the form field.
+     * @defaultValue []
+     */
+    errors: any[];
+}
+
+/**
+ * Defines valid properties in Form component.
+ */
+export interface FormFieldProps {
+    /**
+     * A function that resolves validation logic.
+     * @param {FormResolverOptions} e - Resolver options
+     */
+    resolver?: (e: FormFieldResolverOptions) => Promise<Record<string, any>> | Record<string, any> | undefined;
+    /**
+     * The initial values for the form fields.
+     */
+    initialValues?: Record<string, any> | undefined;
+    /**
+     * Whether to validate the form fields when the values change.
+     * @defaultValue true
+     */
+    validateOnValueUpdate?: boolean | string[] | undefined;
+    /**
+     * Whether to validate the form fields when they lose focus (on blur).
+     * @defaultValue false
+     */
+    validateOnBlur?: boolean | string[] | undefined;
+    /**
+     * Whether to validate the form fields immediately after the form is mounted.
+     * @defaultValue false
+     */
+    validateOnMount?: boolean | string[] | undefined;
+    /**
+     * Whether to validate the form fields when the form is submitted.
+     * @defaultValue true
+     */
+    validateOnSubmit?: boolean | string[] | undefined;
+    /**
+     * It generates scoped CSS variables using design tokens for the component.
+     */
+    dt?: DesignToken<any>;
+    /**
+     * Used to pass attributes to DOM elements inside the component.
+     * @type {FormPassThroughOptions}
+     */
+    pt?: PassThrough<FormFieldPassThroughOptions>;
+    /**
+     * Used to configure passthrough(pt) options of the component.
+     * @type {PassThroughOptions}
+     */
+    ptOptions?: PassThroughOptions;
+    /**
+     * When enabled, it removes component related styles in the core.
+     * @defaultValue false
+     */
+    unstyled?: boolean;
+}
+
+/**
+ * Defines valid slots in Form component.
+ */
+export interface FormSlots {
+    /**
+     * Default content slot.
+     * @param {Object} scope - default slot's params.
+     */
+    default: (scope: {
+        /**
+         * Registers a form field for validation and tracking.
+         * @param field - The name of the form field to register.
+         * @param options - Configuration options for the field, such as validation rules.
+         * @returns - Returns an object or value representing the registered field.
+         */
+        register: (field: string, options: any) => any;
+        /**
+         * Resets the entire form state, clearing values and validation statuses.
+         */
+        reset: () => void;
+        /**
+         * Indicates whether the form is valid, returning `true` if all fields pass validation.
+         */
+        valid: boolean;
+        /**
+         * Stores the state of each form field, with the field name as the key and its state as the value.
+         */
+        states: Record<string, FormFieldState>;
+    }) => VNode[];
+}
+
+/**
+ * Defines valid emits in Form component.
+ */
+export interface FormEmitsOptions {
+    /**
+     * Emitted when the form is submitted.
+     * @param {Event} event - Original DOM event.
+     */
+    submit: (event: Event) => void;
+}
+
+export declare type FormEmits = EmitFn<FormEmitsOptions>;
+
+/**
+ * **PrimeVue - Form**
+ *
+ * _Form provides validation functionality and manages form state._
+ *
+ * [Live Demo](https://www.primevue.org/form/)
+ * --- ---
+ * ![PrimeVue](https://primefaces.org/cdn/primevue/images/logo-100.png)
+ *
+ * @group Component
+ *
+ */
+declare const FormField: DefineComponent<FormFieldProps, FormSlots, FormEmits>;
+
+declare module 'vue' {
+    export interface GlobalComponents {
+        FormField: DefineComponent<FormFieldProps, FormSlots, FormEmits>;
+    }
+}
+
+export default FormField;
diff --git a/packages/form/src/formfield/FormField.vue b/packages/form/src/formfield/FormField.vue
new file mode 100644
index 000000000..f1fef3cb4
--- /dev/null
+++ b/packages/form/src/formfield/FormField.vue
@@ -0,0 +1,51 @@
+<template>
+    <component v-if="!asChild" :is="as" :class="cx('root')" v-bind="ptmi('root')">
+        <slot :props="field.props" v-bind="fieldAttrs"></slot>
+    </component>
+    <slot v-else :class="cx('root')" :props="field.props" v-bind="fieldAttrs"></slot>
+</template>
+
+<script>
+import BaseFormField from './BaseFormField.vue';
+
+export default {
+    name: 'FormField',
+    extends: BaseFormField,
+    inheritAttrs: false,
+    inject: {
+        $pcForm: {
+            default: undefined
+        }
+    },
+    watch: {
+        formControl: {
+            immediate: true,
+            handler(newValue) {
+                this.$pcForm?.register?.(this.name, newValue);
+            }
+        }
+    },
+    computed: {
+        formControl() {
+            return {
+                name: this.name,
+                resolver: this.resolver,
+                initialValue: this.initialValue,
+                validateOnValueUpdate: this.validateOnValueUpdate,
+                validateOnBlur: this.validateOnBlur,
+                validateOnMount: this.validateOnMount,
+                validateOnSubmit: this.validateOnSubmit
+            };
+        },
+        field() {
+            return this.$pcForm?.fields?.[this.name] || {};
+        },
+        fieldAttrs() {
+            return {
+                ...this.field.props,
+                ...this.field.states
+            };
+        }
+    }
+};
+</script>
diff --git a/packages/form/src/formfield/package.json b/packages/form/src/formfield/package.json
new file mode 100644
index 000000000..a83396def
--- /dev/null
+++ b/packages/form/src/formfield/package.json
@@ -0,0 +1,11 @@
+{
+    "main": "./FormField.vue",
+    "module": "./FormField.vue",
+    "types": "./FormField.d.ts",
+    "browser": {
+        "./sfc": "./FormField.vue"
+    },
+    "sideEffects": [
+        "*.vue"
+    ]
+}
diff --git a/packages/form/src/formfield/style/FormFieldStyle.d.ts b/packages/form/src/formfield/style/FormFieldStyle.d.ts
new file mode 100644
index 000000000..bde56e8c3
--- /dev/null
+++ b/packages/form/src/formfield/style/FormFieldStyle.d.ts
@@ -0,0 +1,17 @@
+/**
+ *
+ * [Live Demo](https://www.primevue.org/form/)
+ *
+ * @module formfieldstyle
+ *
+ */
+import type { BaseStyle } from '@primevue/core/base/style';
+
+export enum FormFieldClasses {
+    /**
+     * The class of root element
+     */
+    root = 'p-formfield'
+}
+
+export interface FormFieldStyle extends BaseStyle {}
diff --git a/packages/form/src/formfield/style/FormFieldStyle.js b/packages/form/src/formfield/style/FormFieldStyle.js
new file mode 100644
index 000000000..5530b8aa1
--- /dev/null
+++ b/packages/form/src/formfield/style/FormFieldStyle.js
@@ -0,0 +1,10 @@
+import BaseStyle from '@primevue/core/base/style';
+
+const classes = {
+    root: 'p-formfield p-component'
+};
+
+export default BaseStyle.extend({
+    name: 'formfield',
+    classes
+});
diff --git a/packages/form/src/formfield/style/package.json b/packages/form/src/formfield/style/package.json
new file mode 100644
index 000000000..4f0d8ec47
--- /dev/null
+++ b/packages/form/src/formfield/style/package.json
@@ -0,0 +1,6 @@
+{
+    "main": "./FormFieldStyle.js",
+    "module": "./FormFieldStyle.js",
+    "types": "./FormFieldStyle.d.ts",
+    "sideEffects": false
+}
diff --git a/packages/metadata/src/components/index.ts b/packages/metadata/src/components/index.ts
index 0a1eff69d..1fdaa7d63 100644
--- a/packages/metadata/src/components/index.ts
+++ b/packages/metadata/src/components/index.ts
@@ -96,7 +96,10 @@ export const media: MetaType[] = toMeta(['Carousel', 'Galleria', 'Image', 'Image
 
 export const misc: MetaType[] = toMeta(['Avatar', 'AvatarGroup', 'Badge', 'BlockUI', 'Chip', 'Inplace', 'MeterGroup', 'OverlayBadge', 'ScrollTop', 'Skeleton', 'ProgressBar', 'ProgressSpinner', 'Tag', 'Terminal']);
 
-export const extensions: MetaType[] = toMeta([{ name: 'Form', from: '@primevue/form' }]);
+export const extensions: MetaType[] = toMeta([
+    { name: 'Form', from: '@primevue/form' },
+    { name: 'FormField', from: '@primevue/form/field' }
+]);
 
 // All PrimeVue Components
 export const components: MetaType[] = [...form, ...button, ...data, ...panel, ...overlay, ...file, ...menu, ...chart, ...messages, ...media, ...misc, ...extensions];