validation

Utilities in the validation category.

• isArray — Checks whether the given value is an array.
• isBigint — Checks whether the given value is a bigint.
• isBoolean — Checks whether the given value is a boolean.
• isDate — Checks whether the given value is a Date instance.
• isEmptyString — Checks whether the provided value is the empty string literal.
• isFiniteNumber — Checks whether the given value is a finite number.
• isFunction — Checks whether the given value is a function.
• isNaNValue — Checks whether the given value is NaN (Not-a-Number).
• isNull — Checks whether the given value is null.
• isNullable — Checks whether the given value is null or undefined.
• isNumber — Checks whether the given value is a number.
• isObject — Checks whether the given value is an object (including arrays, but excluding null).
• isPlainObject — Checks whether the given value is a plain object.
• isPrimitive — Checks whether the given value is a JavaScript primitive.
• isString — Checks whether the given value is a string.
• isSymbol — Checks whether the given value is a symbol.
• isUndefined — Checks whether the given value is undefined.
• isValidDate — Checks whether the given value is a valid Date instance.