ParseError class final

A JSON-RPC error indicating that invalid JSON was received by the server. This error is returned when the server cannot parse the JSON text of a message.

Revisions: 2026-07-28.

Inheritance

Constructors

ParseError({Object? data, required String message, Map<String, Object?>? extra})
ParseError.fromJson(Map<String, Object?> json)
Wraps json as received; nothing is dropped.

Properties

code → int
The error type that occurred.
no setter
data → Object?
Additional information about the error. The value of this member is defined by the sender (e.g. detailed error information, nested errors etc.).
no setter
extra → Map<String, Object?>
Keys outside the schema (newer revisions, extensions, applications).
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
message → String
A short description of the error. The message SHOULD be limited to a concise single sentence.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
schemaKeys → Set<String>
Property names the schema defines for this type.
no setteroverride

Methods

$optional<T>(String key, T? read(Object? value, String path)) → T?
Optional property key, converted by read; null when absent or null.
inherited
$required<T>(String key, T read(Object? value, String path)) → T
Required property key, converted by read.
inherited
check() → List<String>
Reads every property this type defines and returns what could not be read (missing required properties, wrong types), nested types included. Empty = the JSON matches the schema's shape for this type.
override
copyWith({Object? data, String? message}) → ParseError
A copy with the given properties replaced; everything else, unknown keys included, is kept.
has(String key) → bool
Whether key is present (a null value counts as present).
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toJson() → Map<String, Object?>
The JSON form of this value.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
Equal when the JSON is equal; key order does not matter.
inherited
operator [](String key) → Object?
The raw JSON value of key.
inherited

Constants

keys → const Set<String>