form-validity - npm Package Compare versions

Comparing version 0.0.2 to 0.0.3

index.d.ts

@@ -1,65 +0,14 @@
-interface Required {
-    required: (message?: string) => this;
-}
-interface Min<Value> {
-    min(value: Value | string, message?: string): this;
-}
-interface Max<Value> {
-    max(value: Value | string, message?: string): this;
-}
-interface MinLength {
-    minLength(number: number, message?: string): this;
-}
-interface MaxLength {
-    maxLength(number: number, message?: string): this;
-}
-interface Pattern {
-    pattern(regexp: RegExp, message?: string): this;
-}
-interface Step {
-    step(number: number | string, message?: string): this;
-}
-interface Multiple<Count = void> {
-    multiple(count: Count): this;
-}
-interface NoConstraint {
-}
-export interface FieldAttributes {
-    type?: Exclude<keyof FieldOption, 'select' | 'textarea' | 'fieldset'>;
-    required?: boolean;
-    minLength?: number;
-    maxLength?: number;
-    min?: string | number;
-    max?: string | number;
-    step?: string | number;
-    pattern?: string;
-    multiple?: boolean;
-}
-export interface FieldOption {
-    checkbox: Required;
-    color: NoConstraint;
-    date: Required & Min<Date> & Max<Date> & Step;
-    datetime: Required & Min<Date> & Max<Date> & Step;
-    'datetime-local': Required & Min<Date> & Max<Date> & Step;
-    email: Required & MinLength & MaxLength & Pattern;
-    fieldset: Multiple<Number>;
-    file: Required;
-    hidden: NoConstraint;
-    month: Required & Min<Date> & Max<Date> & Step;
-    number: Required & Min<number> & Max<number> & Step;
-    password: Required & MinLength & MaxLength & Pattern;
-    radio: Required;
-    range: Min<number> & Max<number> & Step;
-    search: Required & MinLength & MaxLength & Pattern;
-    select: Required;
-    tel: Required & MinLength & MaxLength & Pattern;
-    text: Required & MinLength & MaxLength & Pattern;
-    textarea: Required & MinLength & MaxLength;
-    time: Required & Min<Date> & Max<Date> & Step;
-    url: Required & MinLength & MaxLength & Pattern;
-    week: Required & Min<Date> & Max<Date> & Step;
-}
-export interface Constraint {
-    type: {
-        value: keyof FieldOption;
+/**
+ *
+ */
+declare const symbol: unique symbol;
+export declare type FieldTag = 'input' | 'textarea' | 'select' | 'fieldset';
+export declare type InputType = 'checkbox' | 'color' | 'date' | 'date' | 'datetime-local' | 'email' | 'fieldset' | 'file' | 'hidden' | 'month' | 'number' | 'password' | 'radio' | 'range' | 'search' | 'select' | 'tel' | 'text' | 'textarea' | 'time' | 'url' | 'week';
+export declare type Field<Tag extends FieldTag = FieldTag, Type extends InputType | undefined = undefined> = (Tag extends 'input' ? Type extends 'checkbox' | 'file' | 'radio' ? Required : Type extends 'date' | 'datetime-local' | 'month' | 'time' | 'week' ? Required & Min<Date> & Max<Date> & Step : Type extends 'email' | 'password' | 'search' | 'tel' | 'text' | 'url' ? Required & MinLength & MaxLength & Pattern : Type extends 'number' ? Required & Min<number> & Max<number> & Step : Type extends 'range' ? Min<number> & Max<number> & Step : {} : Tag extends 'select' ? Required : Tag extends 'textarea' ? Required & MinLength & MaxLength : Tag extends 'fieldset' ? Multiple<number> : unknown) & {
+    [symbol]: Constraint<Tag>;
+};
+export declare type Constraint<Tag extends FieldTag = FieldTag> = {
+    tag: Tag;
+    type?: {
+        value: InputType;
         message: string | undefined;
@@ -98,47 +47,62 @@ };
     };
-}
-declare const symbol: unique symbol;
-export declare type Field<Type extends keyof FieldOption = keyof FieldOption> = FieldOption[Type] & {
-    [symbol]: () => Constraint;
 };
 /**
- * Helpers for constructing the field constraints
+ * Helpers for constructing the field constraint based on the type
  * @see https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Constraint_validation#validation-related_attributes
  */
 export declare const f: {
-    checkbox: () => Field<"checkbox">;
-    color: () => Field<"color">;
-    date: () => Field<"date">;
-    datetime: () => Field<"datetime-local">;
-    email: (message?: string | undefined) => Field<"email">;
-    fieldset: () => Field<"fieldset">;
-    file: () => Field<"file">;
-    hidden: () => Field<"hidden">;
-    month: () => Field<"month">;
-    number: (message?: string | undefined) => Field<"number">;
-    password: () => Field<"password">;
-    radio: () => Field<"radio">;
-    range: () => Field<"range">;
-    search: () => Field<"search">;
-    select: () => Field<"select">;
-    tel: () => Field<"tel">;
-    text: () => Field<"text">;
-    textarea: () => Field<"textarea">;
-    time: () => Field<"time">;
-    url: (message?: string | undefined) => Field<"url">;
-    week: () => Field<"week">;
+    input: {
+        <T extends "number" | "email" | "url">(type: T, message?: string | undefined): Field<"input", T>;
+        <T_1 extends "textarea" | "select" | "fieldset" | "checkbox" | "color" | "date" | "datetime-local" | "file" | "hidden" | "month" | "password" | "radio" | "range" | "search" | "tel" | "text" | "time" | "week">(type: T_1): Field<"input", T_1>;
+    };
+    select: () => Field<'select'>;
+    textarea: () => Field<'textarea'>;
+    fieldset: () => Field<'fieldset'>;
 };
-export declare function getConstraint<Type extends keyof FieldOption>(field: Field<Type>): Constraint;
+export declare function getConstraint<Tag extends FieldTag>(field: Field<Tag>): Constraint<Tag>;
 export declare function isElement<T extends HTMLElement>(element: any, tag: string): element is T;
-export declare function isInputElement(element: unknown): element is HTMLInputElement;
-export declare function isSelectElement(element: unknown): element is HTMLSelectElement;
-export declare function isTextareaElement(element: unknown): element is HTMLTextAreaElement;
-export declare function isButtonElement(element: unknown): element is HTMLButtonElement;
-export declare function isDirtyField(element: HTMLSelectElement | HTMLInputElement | HTMLTextAreaElement): boolean;
+export declare function isDirty(element: unknown): boolean;
 export declare function isValidationConstraintSupported(element: unknown): element is HTMLInputElement | HTMLSelectElement | HTMLTextAreaElement;
 export declare function shouldSkipValidate(element: unknown): boolean;
+export declare function draftUpdate(name: string, index?: number): {
+    name: string;
+    value: string;
+};
+export declare function getDraft(payload: URLSearchParams | FormData): {
+    name: string;
+    index: number | null;
+} | null;
 export declare function parse<T>(payload: FormData | URLSearchParams | string, fieldsetCreator: ((value?: Record<string, any>) => Record<string, T>) | Record<string, T>): {
     value: Record<string, any>;
     error: Record<string, string> | null;
+    isDraft: boolean;
 };
+/**
+ * Helpers
+ */
+interface Required {
+    required(message?: string): this;
+}
+interface Min<Value> {
+    min(value: Value | string, message?: string): this;
+}
+interface Max<Value> {
+    max(value: Value | string, message?: string): this;
+}
+interface MinLength {
+    minLength(number: number, message?: string): this;
+}
+interface MaxLength {
+    maxLength(number: number, message?: string): this;
+}
+interface Pattern {
+    pattern(regexp: RegExp, message?: string): this;
+}
+interface Step {
+    step(number: number | string, message?: string): this;
+}
+interface Multiple<Count = void> {
+    multiple(count: Count): this;
+}
+export declare function checkCustomValidity(value: FormDataEntryValue, validity: ValidityState, constraint: Constraint): string | null;
 export {};

index.js

@@ -5,111 +5,113 @@ 'use strict';
 
-var attributesByType = {
-  // 'button': [],
-  checkbox: ['required'],
-  color: [],
-  date: ['required', 'minLength', 'maxLength', 'pattern'],
-  datetime: ['required', 'minLength', 'maxLength', 'pattern'],
-  'datetime-local': ['required', 'minLength', 'maxLength', 'pattern'],
-  email: ['required', 'minLength', 'maxLength', 'pattern'],
-  fieldset: ['multiple'],
-  file: ['required'],
-  hidden: [],
-  // 'image': [],
-  month: ['required', 'minLength', 'maxLength', 'pattern'],
-  number: ['required', 'minLength', 'maxLength', 'pattern'],
-  password: ['required', 'minLength', 'maxLength', 'pattern'],
-  radio: ['required'],
-  range: ['min', 'max', 'step'],
-  // 'reset': [],
-  search: ['required', 'minLength', 'maxLength', 'pattern'],
-  select: ['required'],
-  // 'submit': [],
-  tel: ['required', 'minLength', 'maxLength', 'pattern'],
-  text: ['required', 'minLength', 'maxLength', 'pattern'],
-  textarea: ['required', 'minLength', 'maxLength'],
-  time: ['required', 'minLength', 'maxLength', 'pattern'],
-  url: ['required', 'minLength', 'maxLength', 'pattern'],
-  week: ['required', 'minLength', 'maxLength', 'pattern']
-};
-var symbol = Symbol('constraints');
+/**
+ *
+ */
+var symbol = Symbol('constraint');
 
-function createField(type, message) {
-  var supportedAttributes = attributesByType[type];
-  var constraint = {
-    type: {
-      value: type,
-      message: message
-    }
-  };
-  var field = {
-    required(message) {
-      constraint.required = {
-        message
-      };
-      return field;
-    },
+function configureF() {
+  function createField(tag, type, message) {
+    var constraint = {
+      tag
+    };
 
-    min(value, message) {
-      constraint.min = {
-        value,
+    if (type) {
+      constraint.type = {
+        value: type,
         message
       };
-      return field;
-    },
+    }
 
-    max(value, message) {
-      constraint.max = {
-        value,
-        message
-      };
-      return field;
-    },
+    return {
+      required(message) {
+        constraint.required = {
+          message
+        };
+        return this;
+      },
 
-    minLength(value, message) {
-      constraint.minLength = {
-        value,
-        message
-      };
-      return field;
-    },
+      min(value, message) {
+        constraint.min = {
+          value,
+          message
+        };
+        return this;
+      },
 
-    maxLength(value, message) {
-      constraint.maxLength = {
-        value,
-        message
-      };
-      return field;
-    },
+      max(value, message) {
+        constraint.max = {
+          value,
+          message
+        };
+        return this;
+      },
 
-    pattern(value, message) {
-      if (value.global || value.ignoreCase || value.multiline) {
-        console.warn("global, ignoreCase, and multiline flags are not supported on the pattern attribute");
-      } else {
-        var _constraint$pattern;
+      minLength(value, message) {
+        constraint.minLength = {
+          value,
+          message
+        };
+        return this;
+      },
 
-        constraint.pattern = ((_constraint$pattern = constraint.pattern) !== null && _constraint$pattern !== void 0 ? _constraint$pattern : []).concat({
+      maxLength(value, message) {
+        constraint.maxLength = {
           value,
           message
-        });
-      }
+        };
+        return this;
+      },
 
-      return field;
-    },
+      pattern(value, message) {
+        if (value.global || value.ignoreCase || value.multiline) {
+          console.warn("global, ignoreCase, and multiline flags are not supported on the pattern attribute");
+        } else {
+          var _constraint$pattern;
 
-    multiple(value) {
-      constraint.multiple = {
-        value,
-        message
-      };
-      return field;
-    },
+          constraint.pattern = ((_constraint$pattern = constraint.pattern) !== null && _constraint$pattern !== void 0 ? _constraint$pattern : []).concat({
+            value,
+            message
+          });
+        }
 
-    [symbol]: () => constraint
-  }; // @ts-ignore
+        return this;
+      },
 
-  return Object.fromEntries( // @ts-ignore
-  [symbol, ...supportedAttributes].map(key => [key, field[key]]));
+      multiple(value) {
+        constraint.multiple = {
+          value,
+          message
+        };
+        return this;
+      },
+
+      [symbol]: constraint
+    };
+  }
+
+  function input(type, message) {
+    // @ts-expect-error
+    return createField('input', type, message);
+  }
+
+  function select() {
+    return createField('select');
+  }
+
+  function textarea() {
+    return createField('textarea');
+  }
+
+  function fieldset() {
+    return createField('fieldset');
+  }
+
+  return {
+    input,
+    select,
+    textarea,
+    fieldset
+  };
 }
 /**
- * Helpers for constructing the field constraints
+ * Helpers for constructing the field constraint based on the type
  * @see https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Constraint_validation#validation-related_attributes
@@ -119,63 +121,38 @@ */
 
-var f = {
-  // button: () => createField('button'),
-  checkbox: () => createField('checkbox'),
-  color: () => createField('color'),
-  date: () => createField('date'),
-  // datetime: () => createField('datetime'),
-  datetime: () => createField('datetime-local'),
-  // `datetime` is deprecated
-  email: message => createField('email', message),
-  fieldset: () => createField('fieldset'),
-  file: () => createField('file'),
-  hidden: () => createField('hidden'),
-  // image: () => createField('image'),
-  month: () => createField('month'),
-  number: message => createField('number', message),
-  password: () => createField('password'),
-  radio: () => createField('radio'),
-  range: () => createField('range'),
-  // reset: () => createField('reset'),
-  search: () => createField('search'),
-  select: () => createField('select'),
-  // submit: () => createField('submit'),
-  tel: () => createField('tel'),
-  text: () => createField('text'),
-  textarea: () => createField('textarea'),
-  time: () => createField('time'),
-  url: message => createField('url', message),
-  week: () => createField('week')
-};
+var f = configureF();
 function getConstraint(field) {
-  return field[symbol]();
-} // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  if (typeof field[symbol] === 'undefined') {
+    throw new Error('Provided config is not a field; Please ensure only field object is used');
+  }
 
+  return field[symbol];
+}
 function isElement(element, tag) {
   return !!element && element.tagName.toLowerCase() === tag;
 }
-function isInputElement(element) {
-  return isElement(element, 'input');
-}
-function isSelectElement(element) {
-  return isElement(element, 'select');
-}
-function isTextareaElement(element) {
-  return isElement(element, 'textarea');
-}
-function isButtonElement(element) {
-  return isElement(element, 'button');
-}
-function isDirtyField(element) {
+function isDirty(element) {
+  if (isElement(element, 'form')) {
+    for (var el of element.elements) {
+      if (isDirty(el)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   if (isElement(element, 'input') || isElement(element, 'textarea')) {
     return element.value !== element.defaultValue;
-  } else if (isElement(element, 'select')) {
+  }
+
+  if (isElement(element, 'select')) {
     var _Array$from$find;
 
     return element.value !== ((_Array$from$find = Array.from(element.options).find(option => option.defaultSelected)) === null || _Array$from$find === void 0 ? void 0 : _Array$from$find.value);
-  } else {
-    return false;
   }
+
+  return false;
 }
 function isValidationConstraintSupported(element) {
-  if (!isInputElement(element) && !isSelectElement(element) && !isTextareaElement(element)) {
+  if (!isElement(element, 'input') && !isElement(element, 'select') && !isElement(element, 'textarea')) {
     return false;
@@ -187,5 +164,106 @@ }
 function shouldSkipValidate(element) {
-  return isButtonElement(element) || isInputElement(element) ? element.formNoValidate : false;
+  return isElement(element, 'button') || isElement(element, 'input') ? element.formNoValidate : false;
 }
+function draftUpdate(name, index) {
+  return {
+    name: '__form-validity__',
+    value: [name].concat(typeof index === 'undefined' ? [] : ["".concat(index)]).join('|')
+  };
+}
+function getDraft(payload) {
+  var update = payload.get('__form-validity__');
 
+  if (!update) {
+    return null;
+  } // We are mutating the payload here
+
+
+  payload.delete('__form-validity__');
+
+  if (update instanceof File) {
+    throw new Error('What?');
+  }
+
+  var [name, indexString] = update.split('|');
+  var index = typeof indexString !== 'undefined' ? Number(indexString) : null;
+  return {
+    name,
+    index
+  };
+}
+function parse(payload, fieldsetCreator) {
+  var valueEntries = payload instanceof URLSearchParams || payload instanceof FormData ? payload : new URLSearchParams(payload);
+  var update = getDraft(valueEntries);
+  var value = unflatten(valueEntries);
+
+  if (update) {
+    var list = getItem(value, update.name);
+
+    if (!Array.isArray(list) || update.index !== null && isNaN(update.index)) {
+      throw new Error('Oops');
+    }
+
+    if (update.index !== null) {
+      list.splice(update.index, 1);
+    } else {
+      list.push({});
+    }
+  }
+
+  var fieldset = typeof fieldsetCreator === 'function' ? fieldsetCreator(value) : fieldsetCreator;
+  var valueByName = Object.fromEntries(valueEntries);
+  var errorEntries = [];
+
+  if (!update) {
+    for (var [name, field] of flatten(fieldset, f => typeof f[symbol] !== 'undefined')) {
+      var constraint = getConstraint(field);
+      var _value = valueByName[name];
+      var validity = validate(_value, constraint);
+
+      var _message = checkCustomValidity(_value, validity, constraint);
+
+      if (_message) {
+        errorEntries.push([name, _message]);
+      }
+    }
+  }
+
+  return {
+    value,
+    error: errorEntries.length > 0 ? unflatten(errorEntries) : null,
+    isDraft: update !== null
+  };
+}
+/**
+ * Helpers
+ */
+
+var pattern = /(\w+)\[(\d+)\]/;
+
+function getPaths(key) {
+  return key.split('.').flatMap(key => {
+    var matches = pattern.exec(key);
+
+    if (!matches) {
+      return key;
+    }
+
+    return [matches[1], Number(matches[2])];
+  });
+}
+
+function getItem(obj, key, defaultValue) {
+  var target = obj;
+
+  for (var path of getPaths(key)) {
+    if (typeof target[path] === 'undefined') {
+      return defaultValue;
+    }
+
+    target = target[path];
+  }
+
+  return target;
+}
+
 function flatten(item, isLeaf) {
@@ -202,4 +280,4 @@ var prefix = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
   } else {
-    for (var [key, _value] of Object.entries(item)) {
-      entries.push(...flatten(_value, isLeaf, prefix ? "".concat(prefix, ".").concat(key) : key));
+    for (var [key, _value2] of Object.entries(item)) {
+      entries.push(...flatten(_value2, isLeaf, prefix ? "".concat(prefix, ".").concat(key) : key));
     }
@@ -212,15 +290,6 @@ }
 function unflatten(entries) {
-  var pattern = /(\w+)\[(\d+)\]/;
   var result = {};
 
-  for (var [key, _value2] of entries) {
-    var paths = key.split('.').flatMap(key => {
-      var matches = pattern.exec(key);
-
-      if (!matches) {
-        return key;
-      }
-
-      return [matches[1], Number(matches[2])];
-    });
+  for (var [key, _value3] of entries) {
+    var paths = getPaths(key);
     var length = paths.length;
@@ -234,3 +303,3 @@ var lastIndex = length - 1;
       var next = paths[index + 1];
-      var newValue = _value2;
+      var newValue = _value3;
 
@@ -252,139 +321,111 @@ if (index != lastIndex) {
 function validate(value, constraint) {
-  var _constraint$pattern2;
+  var badInput = false;
+  var customError = false;
+  var patternMismatch = false;
+  var rangeOverflow = false;
+  var rangeUnderflow = false;
+  var stepMismatch = false;
+  var tooLong = false;
+  var tooShort = false;
+  var typeMismatch = false;
+  var valueMissing = false;
 
   if (value instanceof File) {
-    return 'File is not supported yet';
-  }
+    var _constraint$type;
 
-  if (constraint.required) {
-    if (typeof value === 'undefined' || value === '') {
-      var _constraint$required$;
+    typeMismatch = ((_constraint$type = constraint.type) === null || _constraint$type === void 0 ? void 0 : _constraint$type.value) !== 'file';
+  } else {
+    var _constraint$pattern$s, _constraint$pattern2, _constraint$type2, _constraint$type3;
 
-      return (_constraint$required$ = constraint.required.message) !== null && _constraint$required$ !== void 0 ? _constraint$required$ : 'This field is required';
-    }
-  }
+    var isURL = value => {
+      try {
+        new URL(value);
+        return true;
+      } catch (_unused) {
+        return false;
+      }
+    };
 
-  if (constraint.minLength) {
-    if (typeof value === 'undefined' || value.length < constraint.minLength.value) {
-      var _constraint$minLength;
-
-      return (_constraint$minLength = constraint.minLength.message) !== null && _constraint$minLength !== void 0 ? _constraint$minLength : "This field must be at least ".concat(constraint.minLength.value, " characters");
-    }
+    patternMismatch = (_constraint$pattern$s = (_constraint$pattern2 = constraint.pattern) === null || _constraint$pattern2 === void 0 ? void 0 : _constraint$pattern2.some(pattern => {
+      var match = value === null || value === void 0 ? void 0 : value.match(pattern.value);
+      return !match || value !== match[0];
+    })) !== null && _constraint$pattern$s !== void 0 ? _constraint$pattern$s : false;
+    rangeOverflow = constraint.max ? typeof value !== 'undefined' && constraint.max.value instanceof Date && new Date(value) > constraint.max.value || typeof value !== 'undefined' && typeof constraint.max.value === 'number' && Number(value) > constraint.max.value : false;
+    rangeUnderflow = constraint.min ? constraint.min.value instanceof Date && new Date(value !== null && value !== void 0 ? value : '') < constraint.min.value || typeof constraint.min.value === 'number' && Number(value !== null && value !== void 0 ? value : '') < constraint.min.value : false;
+    tooLong = constraint.maxLength ? typeof value !== 'undefined' && value.length > constraint.maxLength.value : false;
+    tooShort = constraint.minLength ? typeof value === 'undefined' || value.length < constraint.minLength.value : false;
+    typeMismatch = ((_constraint$type2 = constraint.type) === null || _constraint$type2 === void 0 ? void 0 : _constraint$type2.value) === 'email' && !/^\S+@\S+$/.test(value !== null && value !== void 0 ? value : '') || ((_constraint$type3 = constraint.type) === null || _constraint$type3 === void 0 ? void 0 : _constraint$type3.value) === 'url' && !isURL(value !== null && value !== void 0 ? value : '');
+    valueMissing = typeof value === 'undefined' || value === '';
   }
 
-  if (constraint.maxLength) {
-    if (typeof value !== 'undefined' && value.length > constraint.maxLength.value) {
-      var _constraint$maxLength;
+  return {
+    badInput,
+    customError,
+    patternMismatch,
+    rangeOverflow,
+    rangeUnderflow,
+    stepMismatch,
+    tooLong,
+    tooShort,
+    typeMismatch,
+    valid: !patternMismatch && !rangeOverflow && !rangeUnderflow && !stepMismatch && !tooLong && !tooShort && !typeMismatch && !valueMissing,
+    valueMissing
+  };
+}
 
-      return (_constraint$maxLength = constraint.maxLength.message) !== null && _constraint$maxLength !== void 0 ? _constraint$maxLength : "This field must be at most ".concat(constraint.maxLength.value, " characters");
-    }
-  }
+function checkCustomValidity(value, validity, constraint) {
+  if (validity.valueMissing) {
+    var _constraint$required$, _constraint$required;
 
-  if (constraint.min) {
-    if (constraint.min.value instanceof Date && new Date(value !== null && value !== void 0 ? value : '') < constraint.min.value) {
-      var _constraint$min$messa;
+    return (_constraint$required$ = (_constraint$required = constraint.required) === null || _constraint$required === void 0 ? void 0 : _constraint$required.message) !== null && _constraint$required$ !== void 0 ? _constraint$required$ : null;
+  } else if (validity.tooShort) {
+    var _constraint$minLength, _constraint$minLength2;
 
-      return (_constraint$min$messa = constraint.min.message) !== null && _constraint$min$messa !== void 0 ? _constraint$min$messa : "This field must be later than ".concat(constraint.min.value.toISOString());
-    } else if (typeof constraint.min.value === 'number' && Number(value !== null && value !== void 0 ? value : '') < constraint.min.value) {
-      var _constraint$min$messa2;
+    return (_constraint$minLength = (_constraint$minLength2 = constraint.minLength) === null || _constraint$minLength2 === void 0 ? void 0 : _constraint$minLength2.message) !== null && _constraint$minLength !== void 0 ? _constraint$minLength : null;
+  } else if (validity.tooLong) {
+    var _constraint$maxLength, _constraint$maxLength2;
 
-      return (_constraint$min$messa2 = constraint.min.message) !== null && _constraint$min$messa2 !== void 0 ? _constraint$min$messa2 : "This field must be greater than or equal to ".concat(constraint.min.value);
-    }
-  }
+    return (_constraint$maxLength = (_constraint$maxLength2 = constraint.maxLength) === null || _constraint$maxLength2 === void 0 ? void 0 : _constraint$maxLength2.message) !== null && _constraint$maxLength !== void 0 ? _constraint$maxLength : null;
+  } else if (validity.stepMismatch) {
+    var _constraint$step$mess, _constraint$step;
 
-  if (constraint.max) {
-    if (typeof value !== 'undefined' && constraint.max.value instanceof Date && new Date(value) > constraint.max.value) {
-      var _constraint$max$messa;
+    return (_constraint$step$mess = (_constraint$step = constraint.step) === null || _constraint$step === void 0 ? void 0 : _constraint$step.message) !== null && _constraint$step$mess !== void 0 ? _constraint$step$mess : null;
+  } else if (validity.rangeUnderflow) {
+    var _constraint$min$messa, _constraint$min;
 
-      return (_constraint$max$messa = constraint.max.message) !== null && _constraint$max$messa !== void 0 ? _constraint$max$messa : "This field must be at earlier than ".concat(constraint.max.value.toISOString());
-    } else if (typeof value !== 'undefined' && typeof constraint.max.value === 'number' && Number(value) > constraint.max.value) {
-      var _constraint$max$messa2;
+    return (_constraint$min$messa = (_constraint$min = constraint.min) === null || _constraint$min === void 0 ? void 0 : _constraint$min.message) !== null && _constraint$min$messa !== void 0 ? _constraint$min$messa : null;
+  } else if (validity.rangeOverflow) {
+    var _constraint$max$messa, _constraint$max;
 
-      return (_constraint$max$messa2 = constraint.max.message) !== null && _constraint$max$messa2 !== void 0 ? _constraint$max$messa2 : "This field must be less than or equal to ".concat(constraint.max.value);
-    }
-  }
+    return (_constraint$max$messa = (_constraint$max = constraint.max) === null || _constraint$max === void 0 ? void 0 : _constraint$max.message) !== null && _constraint$max$messa !== void 0 ? _constraint$max$messa : null;
+  } else if (validity.typeMismatch || validity.badInput) {
+    var _constraint$type$mess, _constraint$type4;
 
-  if (constraint.step) ;
+    return (_constraint$type$mess = (_constraint$type4 = constraint.type) === null || _constraint$type4 === void 0 ? void 0 : _constraint$type4.message) !== null && _constraint$type$mess !== void 0 ? _constraint$type$mess : null;
+  } else if (validity.patternMismatch) {
+    if (!constraint.pattern) {
+      return null;
+    } else if (constraint.pattern.length === 1) {
+      var _constraint$pattern$;
 
-  if (constraint.type) {
-    switch (constraint.type.value) {
-      case 'email':
-        if (!/^\S+\@\S+$/.test(value !== null && value !== void 0 ? value : '')) {
-          var _constraint$type$mess;
+      return (_constraint$pattern$ = constraint.pattern[0].message) !== null && _constraint$pattern$ !== void 0 ? _constraint$pattern$ : null;
+    } else {
+      var _constraint$pattern$f, _constraint$pattern$f2;
 
-          return (_constraint$type$mess = constraint.type.message) !== null && _constraint$type$mess !== void 0 ? _constraint$type$mess : "This field must be a valid email";
-        }
-
-        break;
-
-      case 'url':
-        var isURL = value => {
-          try {
-            new URL(value);
-            return true;
-          } catch (_unused) {
-            return false;
-          }
-        };
-
-        if (!isURL(value !== null && value !== void 0 ? value : '')) {
-          var _constraint$type$mess2;
-
-          return (_constraint$type$mess2 = constraint.type.message) !== null && _constraint$type$mess2 !== void 0 ? _constraint$type$mess2 : "This field must be a valid URL";
-        }
-
-        break;
+      return (_constraint$pattern$f = (_constraint$pattern$f2 = constraint.pattern.find(pattern => pattern.value.test(value))) === null || _constraint$pattern$f2 === void 0 ? void 0 : _constraint$pattern$f2.message) !== null && _constraint$pattern$f !== void 0 ? _constraint$pattern$f : null;
     }
+  } else {
+    return '';
   }
-
-  if ((_constraint$pattern2 = constraint.pattern) !== null && _constraint$pattern2 !== void 0 && _constraint$pattern2.length) {
-    var _pattern = constraint.pattern.find(pattern => {
-      var match = value === null || value === void 0 ? void 0 : value.match(pattern.value);
-      return !match || value !== match[0];
-    });
-
-    if (_pattern) {
-      var _pattern$message;
-
-      return (_pattern$message = _pattern.message) !== null && _pattern$message !== void 0 ? _pattern$message : "This field must be a valid format";
-    }
-  }
-
-  return null;
 }
 
-function parse(payload, fieldsetCreator) {
-  var valueEntries = payload instanceof URLSearchParams || payload instanceof FormData ? payload : new URLSearchParams(payload);
-  var value = unflatten(valueEntries);
-  var fieldset = typeof fieldsetCreator === 'function' ? fieldsetCreator(value) : fieldsetCreator;
-  var values = Object.fromEntries(valueEntries);
-  var errorEntries = [];
-
-  for (var [name, field] of flatten(fieldset, f => typeof f[symbol] === 'function')) {
-    var constraint = getConstraint(field);
-    var _value3 = values[name];
-
-    var _message = validate(_value3, constraint);
-
-    if (_message) {
-      errorEntries.push([name, _message]);
-    }
-  }
-
-  return {
-    value,
-    error: errorEntries.length > 0 ? unflatten(errorEntries) : null
-  };
-}
-
+exports.checkCustomValidity = checkCustomValidity;
+exports.draftUpdate = draftUpdate;
 exports.f = f;
 exports.getConstraint = getConstraint;
-exports.isButtonElement = isButtonElement;
-exports.isDirtyField = isDirtyField;
+exports.getDraft = getDraft;
+exports.isDirty = isDirty;
 exports.isElement = isElement;
-exports.isInputElement = isInputElement;
-exports.isSelectElement = isSelectElement;
-exports.isTextareaElement = isTextareaElement;
 exports.isValidationConstraintSupported = isValidationConstraintSupported;
 exports.parse = parse;
 exports.shouldSkipValidate = shouldSkipValidate;

module/index.js

@@ -1,110 +0,112 @@
-var attributesByType = {
-  // 'button': [],
-  checkbox: ['required'],
-  color: [],
-  date: ['required', 'minLength', 'maxLength', 'pattern'],
-  datetime: ['required', 'minLength', 'maxLength', 'pattern'],
-  'datetime-local': ['required', 'minLength', 'maxLength', 'pattern'],
-  email: ['required', 'minLength', 'maxLength', 'pattern'],
-  fieldset: ['multiple'],
-  file: ['required'],
-  hidden: [],
-  // 'image': [],
-  month: ['required', 'minLength', 'maxLength', 'pattern'],
-  number: ['required', 'minLength', 'maxLength', 'pattern'],
-  password: ['required', 'minLength', 'maxLength', 'pattern'],
-  radio: ['required'],
-  range: ['min', 'max', 'step'],
-  // 'reset': [],
-  search: ['required', 'minLength', 'maxLength', 'pattern'],
-  select: ['required'],
-  // 'submit': [],
-  tel: ['required', 'minLength', 'maxLength', 'pattern'],
-  text: ['required', 'minLength', 'maxLength', 'pattern'],
-  textarea: ['required', 'minLength', 'maxLength'],
-  time: ['required', 'minLength', 'maxLength', 'pattern'],
-  url: ['required', 'minLength', 'maxLength', 'pattern'],
-  week: ['required', 'minLength', 'maxLength', 'pattern']
-};
-var symbol = Symbol('constraints');
+/**
+ *
+ */
+var symbol = Symbol('constraint');
 
-function createField(type, message) {
-  var supportedAttributes = attributesByType[type];
-  var constraint = {
-    type: {
-      value: type,
-      message: message
-    }
-  };
-  var field = {
-    required(message) {
-      constraint.required = {
-        message
-      };
-      return field;
-    },
+function configureF() {
+  function createField(tag, type, message) {
+    var constraint = {
+      tag
+    };
 
-    min(value, message) {
-      constraint.min = {
-        value,
+    if (type) {
+      constraint.type = {
+        value: type,
         message
       };
-      return field;
-    },
+    }
 
-    max(value, message) {
-      constraint.max = {
-        value,
-        message
-      };
-      return field;
-    },
+    return {
+      required(message) {
+        constraint.required = {
+          message
+        };
+        return this;
+      },
 
-    minLength(value, message) {
-      constraint.minLength = {
-        value,
-        message
-      };
-      return field;
-    },
+      min(value, message) {
+        constraint.min = {
+          value,
+          message
+        };
+        return this;
+      },
 
-    maxLength(value, message) {
-      constraint.maxLength = {
-        value,
-        message
-      };
-      return field;
-    },
+      max(value, message) {
+        constraint.max = {
+          value,
+          message
+        };
+        return this;
+      },
 
-    pattern(value, message) {
-      if (value.global || value.ignoreCase || value.multiline) {
-        console.warn("global, ignoreCase, and multiline flags are not supported on the pattern attribute");
-      } else {
-        var _constraint$pattern;
+      minLength(value, message) {
+        constraint.minLength = {
+          value,
+          message
+        };
+        return this;
+      },
 
-        constraint.pattern = ((_constraint$pattern = constraint.pattern) !== null && _constraint$pattern !== void 0 ? _constraint$pattern : []).concat({
+      maxLength(value, message) {
+        constraint.maxLength = {
           value,
           message
-        });
-      }
+        };
+        return this;
+      },
 
-      return field;
-    },
+      pattern(value, message) {
+        if (value.global || value.ignoreCase || value.multiline) {
+          console.warn("global, ignoreCase, and multiline flags are not supported on the pattern attribute");
+        } else {
+          var _constraint$pattern;
 
-    multiple(value) {
-      constraint.multiple = {
-        value,
-        message
-      };
-      return field;
-    },
+          constraint.pattern = ((_constraint$pattern = constraint.pattern) !== null && _constraint$pattern !== void 0 ? _constraint$pattern : []).concat({
+            value,
+            message
+          });
+        }
 
-    [symbol]: () => constraint
-  }; // @ts-ignore
+        return this;
+      },
 
-  return Object.fromEntries( // @ts-ignore
-  [symbol, ...supportedAttributes].map(key => [key, field[key]]));
+      multiple(value) {
+        constraint.multiple = {
+          value,
+          message
+        };
+        return this;
+      },
+
+      [symbol]: constraint
+    };
+  }
+
+  function input(type, message) {
+    // @ts-expect-error
+    return createField('input', type, message);
+  }
+
+  function select() {
+    return createField('select');
+  }
+
+  function textarea() {
+    return createField('textarea');
+  }
+
+  function fieldset() {
+    return createField('fieldset');
+  }
+
+  return {
+    input,
+    select,
+    textarea,
+    fieldset
+  };
 }
 /**
- * Helpers for constructing the field constraints
+ * Helpers for constructing the field constraint based on the type
  * @see https://developer.mozilla.org/en-US/docs/Web/Guide/HTML/Constraint_validation#validation-related_attributes
@@ -114,63 +116,38 @@ */
 
-var f = {
-  // button: () => createField('button'),
-  checkbox: () => createField('checkbox'),
-  color: () => createField('color'),
-  date: () => createField('date'),
-  // datetime: () => createField('datetime'),
-  datetime: () => createField('datetime-local'),
-  // `datetime` is deprecated
-  email: message => createField('email', message),
-  fieldset: () => createField('fieldset'),
-  file: () => createField('file'),
-  hidden: () => createField('hidden'),
-  // image: () => createField('image'),
-  month: () => createField('month'),
-  number: message => createField('number', message),
-  password: () => createField('password'),
-  radio: () => createField('radio'),
-  range: () => createField('range'),
-  // reset: () => createField('reset'),
-  search: () => createField('search'),
-  select: () => createField('select'),
-  // submit: () => createField('submit'),
-  tel: () => createField('tel'),
-  text: () => createField('text'),
-  textarea: () => createField('textarea'),
-  time: () => createField('time'),
-  url: message => createField('url', message),
-  week: () => createField('week')
-};
+var f = configureF();
 function getConstraint(field) {
-  return field[symbol]();
-} // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  if (typeof field[symbol] === 'undefined') {
+    throw new Error('Provided config is not a field; Please ensure only field object is used');
+  }
 
+  return field[symbol];
+}
 function isElement(element, tag) {
   return !!element && element.tagName.toLowerCase() === tag;
 }
-function isInputElement(element) {
-  return isElement(element, 'input');
-}
-function isSelectElement(element) {
-  return isElement(element, 'select');
-}
-function isTextareaElement(element) {
-  return isElement(element, 'textarea');
-}
-function isButtonElement(element) {
-  return isElement(element, 'button');
-}
-function isDirtyField(element) {
+function isDirty(element) {
+  if (isElement(element, 'form')) {
+    for (var el of element.elements) {
+      if (isDirty(el)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
   if (isElement(element, 'input') || isElement(element, 'textarea')) {
     return element.value !== element.defaultValue;
-  } else if (isElement(element, 'select')) {
+  }
+
+  if (isElement(element, 'select')) {
     var _Array$from$find;
 
     return element.value !== ((_Array$from$find = Array.from(element.options).find(option => option.defaultSelected)) === null || _Array$from$find === void 0 ? void 0 : _Array$from$find.value);
-  } else {
-    return false;
   }
+
+  return false;
 }
 function isValidationConstraintSupported(element) {
-  if (!isInputElement(element) && !isSelectElement(element) && !isTextareaElement(element)) {
+  if (!isElement(element, 'input') && !isElement(element, 'select') && !isElement(element, 'textarea')) {
     return false;
@@ -182,5 +159,106 @@ }
 function shouldSkipValidate(element) {
-  return isButtonElement(element) || isInputElement(element) ? element.formNoValidate : false;
+  return isElement(element, 'button') || isElement(element, 'input') ? element.formNoValidate : false;
 }
+function draftUpdate(name, index) {
+  return {
+    name: '__form-validity__',
+    value: [name].concat(typeof index === 'undefined' ? [] : ["".concat(index)]).join('|')
+  };
+}
+function getDraft(payload) {
+  var update = payload.get('__form-validity__');
 
+  if (!update) {
+    return null;
+  } // We are mutating the payload here
+
+
+  payload.delete('__form-validity__');
+
+  if (update instanceof File) {
+    throw new Error('What?');
+  }
+
+  var [name, indexString] = update.split('|');
+  var index = typeof indexString !== 'undefined' ? Number(indexString) : null;
+  return {
+    name,
+    index
+  };
+}
+function parse(payload, fieldsetCreator) {
+  var valueEntries = payload instanceof URLSearchParams || payload instanceof FormData ? payload : new URLSearchParams(payload);
+  var update = getDraft(valueEntries);
+  var value = unflatten(valueEntries);
+
+  if (update) {
+    var list = getItem(value, update.name);
+
+    if (!Array.isArray(list) || update.index !== null && isNaN(update.index)) {
+      throw new Error('Oops');
+    }
+
+    if (update.index !== null) {
+      list.splice(update.index, 1);
+    } else {
+      list.push({});
+    }
+  }
+
+  var fieldset = typeof fieldsetCreator === 'function' ? fieldsetCreator(value) : fieldsetCreator;
+  var valueByName = Object.fromEntries(valueEntries);
+  var errorEntries = [];
+
+  if (!update) {
+    for (var [name, field] of flatten(fieldset, f => typeof f[symbol] !== 'undefined')) {
+      var constraint = getConstraint(field);
+      var _value = valueByName[name];
+      var validity = validate(_value, constraint);
+
+      var _message = checkCustomValidity(_value, validity, constraint);
+
+      if (_message) {
+        errorEntries.push([name, _message]);
+      }
+    }
+  }
+
+  return {
+    value,
+    error: errorEntries.length > 0 ? unflatten(errorEntries) : null,
+    isDraft: update !== null
+  };
+}
+/**
+ * Helpers
+ */
+
+var pattern = /(\w+)\[(\d+)\]/;
+
+function getPaths(key) {
+  return key.split('.').flatMap(key => {
+    var matches = pattern.exec(key);
+
+    if (!matches) {
+      return key;
+    }
+
+    return [matches[1], Number(matches[2])];
+  });
+}
+
+function getItem(obj, key, defaultValue) {
+  var target = obj;
+
+  for (var path of getPaths(key)) {
+    if (typeof target[path] === 'undefined') {
+      return defaultValue;
+    }
+
+    target = target[path];
+  }
+
+  return target;
+}
+
 function flatten(item, isLeaf) {
@@ -197,4 +275,4 @@ var prefix = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
   } else {
-    for (var [key, _value] of Object.entries(item)) {
-      entries.push(...flatten(_value, isLeaf, prefix ? "".concat(prefix, ".").concat(key) : key));
+    for (var [key, _value2] of Object.entries(item)) {
+      entries.push(...flatten(_value2, isLeaf, prefix ? "".concat(prefix, ".").concat(key) : key));
     }
@@ -207,15 +285,6 @@ }
 function unflatten(entries) {
-  var pattern = /(\w+)\[(\d+)\]/;
   var result = {};
 
-  for (var [key, _value2] of entries) {
-    var paths = key.split('.').flatMap(key => {
-      var matches = pattern.exec(key);
-
-      if (!matches) {
-        return key;
-      }
-
-      return [matches[1], Number(matches[2])];
-    });
+  for (var [key, _value3] of entries) {
+    var paths = getPaths(key);
     var length = paths.length;
@@ -229,3 +298,3 @@ var lastIndex = length - 1;
       var next = paths[index + 1];
-      var newValue = _value2;
+      var newValue = _value3;
 
@@ -247,129 +316,102 @@ if (index != lastIndex) {
 function validate(value, constraint) {
-  var _constraint$pattern2;
+  var badInput = false;
+  var customError = false;
+  var patternMismatch = false;
+  var rangeOverflow = false;
+  var rangeUnderflow = false;
+  var stepMismatch = false;
+  var tooLong = false;
+  var tooShort = false;
+  var typeMismatch = false;
+  var valueMissing = false;
 
   if (value instanceof File) {
-    return 'File is not supported yet';
-  }
+    var _constraint$type;
 
-  if (constraint.required) {
-    if (typeof value === 'undefined' || value === '') {
-      var _constraint$required$;
+    typeMismatch = ((_constraint$type = constraint.type) === null || _constraint$type === void 0 ? void 0 : _constraint$type.value) !== 'file';
+  } else {
+    var _constraint$pattern$s, _constraint$pattern2, _constraint$type2, _constraint$type3;
 
-      return (_constraint$required$ = constraint.required.message) !== null && _constraint$required$ !== void 0 ? _constraint$required$ : 'This field is required';
-    }
-  }
+    var isURL = value => {
+      try {
+        new URL(value);
+        return true;
+      } catch (_unused) {
+        return false;
+      }
+    };
 
-  if (constraint.minLength) {
-    if (typeof value === 'undefined' || value.length < constraint.minLength.value) {
-      var _constraint$minLength;
-
-      return (_constraint$minLength = constraint.minLength.message) !== null && _constraint$minLength !== void 0 ? _constraint$minLength : "This field must be at least ".concat(constraint.minLength.value, " characters");
-    }
+    patternMismatch = (_constraint$pattern$s = (_constraint$pattern2 = constraint.pattern) === null || _constraint$pattern2 === void 0 ? void 0 : _constraint$pattern2.some(pattern => {
+      var match = value === null || value === void 0 ? void 0 : value.match(pattern.value);
+      return !match || value !== match[0];
+    })) !== null && _constraint$pattern$s !== void 0 ? _constraint$pattern$s : false;
+    rangeOverflow = constraint.max ? typeof value !== 'undefined' && constraint.max.value instanceof Date && new Date(value) > constraint.max.value || typeof value !== 'undefined' && typeof constraint.max.value === 'number' && Number(value) > constraint.max.value : false;
+    rangeUnderflow = constraint.min ? constraint.min.value instanceof Date && new Date(value !== null && value !== void 0 ? value : '') < constraint.min.value || typeof constraint.min.value === 'number' && Number(value !== null && value !== void 0 ? value : '') < constraint.min.value : false;
+    tooLong = constraint.maxLength ? typeof value !== 'undefined' && value.length > constraint.maxLength.value : false;
+    tooShort = constraint.minLength ? typeof value === 'undefined' || value.length < constraint.minLength.value : false;
+    typeMismatch = ((_constraint$type2 = constraint.type) === null || _constraint$type2 === void 0 ? void 0 : _constraint$type2.value) === 'email' && !/^\S+@\S+$/.test(value !== null && value !== void 0 ? value : '') || ((_constraint$type3 = constraint.type) === null || _constraint$type3 === void 0 ? void 0 : _constraint$type3.value) === 'url' && !isURL(value !== null && value !== void 0 ? value : '');
+    valueMissing = typeof value === 'undefined' || value === '';
   }
 
-  if (constraint.maxLength) {
-    if (typeof value !== 'undefined' && value.length > constraint.maxLength.value) {
-      var _constraint$maxLength;
+  return {
+    badInput,
+    customError,
+    patternMismatch,
+    rangeOverflow,
+    rangeUnderflow,
+    stepMismatch,
+    tooLong,
+    tooShort,
+    typeMismatch,
+    valid: !patternMismatch && !rangeOverflow && !rangeUnderflow && !stepMismatch && !tooLong && !tooShort && !typeMismatch && !valueMissing,
+    valueMissing
+  };
+}
 
-      return (_constraint$maxLength = constraint.maxLength.message) !== null && _constraint$maxLength !== void 0 ? _constraint$maxLength : "This field must be at most ".concat(constraint.maxLength.value, " characters");
-    }
-  }
+function checkCustomValidity(value, validity, constraint) {
+  if (validity.valueMissing) {
+    var _constraint$required$, _constraint$required;
 
-  if (constraint.min) {
-    if (constraint.min.value instanceof Date && new Date(value !== null && value !== void 0 ? value : '') < constraint.min.value) {
-      var _constraint$min$messa;
+    return (_constraint$required$ = (_constraint$required = constraint.required) === null || _constraint$required === void 0 ? void 0 : _constraint$required.message) !== null && _constraint$required$ !== void 0 ? _constraint$required$ : null;
+  } else if (validity.tooShort) {
+    var _constraint$minLength, _constraint$minLength2;
 
-      return (_constraint$min$messa = constraint.min.message) !== null && _constraint$min$messa !== void 0 ? _constraint$min$messa : "This field must be later than ".concat(constraint.min.value.toISOString());
-    } else if (typeof constraint.min.value === 'number' && Number(value !== null && value !== void 0 ? value : '') < constraint.min.value) {
-      var _constraint$min$messa2;
+    return (_constraint$minLength = (_constraint$minLength2 = constraint.minLength) === null || _constraint$minLength2 === void 0 ? void 0 : _constraint$minLength2.message) !== null && _constraint$minLength !== void 0 ? _constraint$minLength : null;
+  } else if (validity.tooLong) {
+    var _constraint$maxLength, _constraint$maxLength2;
 
-      return (_constraint$min$messa2 = constraint.min.message) !== null && _constraint$min$messa2 !== void 0 ? _constraint$min$messa2 : "This field must be greater than or equal to ".concat(constraint.min.value);
-    }
-  }
+    return (_constraint$maxLength = (_constraint$maxLength2 = constraint.maxLength) === null || _constraint$maxLength2 === void 0 ? void 0 : _constraint$maxLength2.message) !== null && _constraint$maxLength !== void 0 ? _constraint$maxLength : null;
+  } else if (validity.stepMismatch) {
+    var _constraint$step$mess, _constraint$step;
 
-  if (constraint.max) {
-    if (typeof value !== 'undefined' && constraint.max.value instanceof Date && new Date(value) > constraint.max.value) {
-      var _constraint$max$messa;
+    return (_constraint$step$mess = (_constraint$step = constraint.step) === null || _constraint$step === void 0 ? void 0 : _constraint$step.message) !== null && _constraint$step$mess !== void 0 ? _constraint$step$mess : null;
+  } else if (validity.rangeUnderflow) {
+    var _constraint$min$messa, _constraint$min;
 
-      return (_constraint$max$messa = constraint.max.message) !== null && _constraint$max$messa !== void 0 ? _constraint$max$messa : "This field must be at earlier than ".concat(constraint.max.value.toISOString());
-    } else if (typeof value !== 'undefined' && typeof constraint.max.value === 'number' && Number(value) > constraint.max.value) {
-      var _constraint$max$messa2;
+    return (_constraint$min$messa = (_constraint$min = constraint.min) === null || _constraint$min === void 0 ? void 0 : _constraint$min.message) !== null && _constraint$min$messa !== void 0 ? _constraint$min$messa : null;
+  } else if (validity.rangeOverflow) {
+    var _constraint$max$messa, _constraint$max;
 
-      return (_constraint$max$messa2 = constraint.max.message) !== null && _constraint$max$messa2 !== void 0 ? _constraint$max$messa2 : "This field must be less than or equal to ".concat(constraint.max.value);
-    }
-  }
+    return (_constraint$max$messa = (_constraint$max = constraint.max) === null || _constraint$max === void 0 ? void 0 : _constraint$max.message) !== null && _constraint$max$messa !== void 0 ? _constraint$max$messa : null;
+  } else if (validity.typeMismatch || validity.badInput) {
+    var _constraint$type$mess, _constraint$type4;
 
-  if (constraint.step) ;
+    return (_constraint$type$mess = (_constraint$type4 = constraint.type) === null || _constraint$type4 === void 0 ? void 0 : _constraint$type4.message) !== null && _constraint$type$mess !== void 0 ? _constraint$type$mess : null;
+  } else if (validity.patternMismatch) {
+    if (!constraint.pattern) {
+      return null;
+    } else if (constraint.pattern.length === 1) {
+      var _constraint$pattern$;
 
-  if (constraint.type) {
-    switch (constraint.type.value) {
-      case 'email':
-        if (!/^\S+\@\S+$/.test(value !== null && value !== void 0 ? value : '')) {
-          var _constraint$type$mess;
+      return (_constraint$pattern$ = constraint.pattern[0].message) !== null && _constraint$pattern$ !== void 0 ? _constraint$pattern$ : null;
+    } else {
+      var _constraint$pattern$f, _constraint$pattern$f2;
 
-          return (_constraint$type$mess = constraint.type.message) !== null && _constraint$type$mess !== void 0 ? _constraint$type$mess : "This field must be a valid email";
-        }
-
-        break;
-
-      case 'url':
-        var isURL = value => {
-          try {
-            new URL(value);
-            return true;
-          } catch (_unused) {
-            return false;
-          }
-        };
-
-        if (!isURL(value !== null && value !== void 0 ? value : '')) {
-          var _constraint$type$mess2;
-
-          return (_constraint$type$mess2 = constraint.type.message) !== null && _constraint$type$mess2 !== void 0 ? _constraint$type$mess2 : "This field must be a valid URL";
-        }
-
-        break;
+      return (_constraint$pattern$f = (_constraint$pattern$f2 = constraint.pattern.find(pattern => pattern.value.test(value))) === null || _constraint$pattern$f2 === void 0 ? void 0 : _constraint$pattern$f2.message) !== null && _constraint$pattern$f !== void 0 ? _constraint$pattern$f : null;
     }
+  } else {
+    return '';
   }
-
-  if ((_constraint$pattern2 = constraint.pattern) !== null && _constraint$pattern2 !== void 0 && _constraint$pattern2.length) {
-    var _pattern = constraint.pattern.find(pattern => {
-      var match = value === null || value === void 0 ? void 0 : value.match(pattern.value);
-      return !match || value !== match[0];
-    });
-
-    if (_pattern) {
-      var _pattern$message;
-
-      return (_pattern$message = _pattern.message) !== null && _pattern$message !== void 0 ? _pattern$message : "This field must be a valid format";
-    }
-  }
-
-  return null;
 }
 
-function parse(payload, fieldsetCreator) {
-  var valueEntries = payload instanceof URLSearchParams || payload instanceof FormData ? payload : new URLSearchParams(payload);
-  var value = unflatten(valueEntries);
-  var fieldset = typeof fieldsetCreator === 'function' ? fieldsetCreator(value) : fieldsetCreator;
-  var values = Object.fromEntries(valueEntries);
-  var errorEntries = [];
-
-  for (var [name, field] of flatten(fieldset, f => typeof f[symbol] === 'function')) {
-    var constraint = getConstraint(field);
-    var _value3 = values[name];
-
-    var _message = validate(_value3, constraint);
-
-    if (_message) {
-      errorEntries.push([name, _message]);
-    }
-  }
-
-  return {
-    value,
-    error: errorEntries.length > 0 ? unflatten(errorEntries) : null
-  };
-}
-
-export { f, getConstraint, isButtonElement, isDirtyField, isElement, isInputElement, isSelectElement, isTextareaElement, isValidationConstraintSupported, parse, shouldSkipValidate };
+export { checkCustomValidity, draftUpdate, f, getConstraint, getDraft, isDirty, isElement, isValidationConstraintSupported, parse, shouldSkipValidate };

package.json

@@ -5,3 +5,3 @@ {
 	"license": "MIT",
-	"version": "0.0.2",
+	"version": "0.0.3",
 	"main": "index.js",
@@ -8,0 +8,0 @@ "module": "module/index.js",

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increased by4.47%

Lines of code

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increased by2.98%

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No dependency changes