FormioUtils class

A set of utility functions used throughout the Form.io Flutter integration.

These functions handle tasks such as safe JSON parsing, null checks, and simple data transformations. Common utility functions used throughout the Form.io Flutter SDK.

Includes validators, date/number formatting helpers, and safe JSON helpers.

Constructors

FormioUtils()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

formatDate(DateTime date, {String? pattern}) → String

Formats a DateTime object to a readable string.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

safeParseDate(String? input) → DateTime?

Safely parses a date string into DateTime. Returns null on failure.

safeParseNumber(String? input) → num?

Parses a string into a num if valid. Returns null otherwise.

toString() → String

A string representation of this object.

inherited

tryGet(Map<String, dynamic>? json, String key) → dynamic

Safely accesses a nested key in a JSON map. Returns null if missing.

validateRequired(String? input, String fieldName) → String?

Validates that a required field is not empty or null.

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Methods

getNested(Map<String, dynamic> json, List<String> path) → dynamic

Safely retrieves a nested property from a Map.

isNullOrEmpty(dynamic value) → bool

Checks if a given value is considered "null" or empty.

parseBool(dynamic value) → bool

Attempts to parse a value to a boolean.