01_dom_exception.ts•3.75 kB
// Defined in WebIDL 4.3.
// https://webidl.spec.whatwg.org/#idl-DOMException
const INDEX_SIZE_ERR = 1;
const DOMSTRING_SIZE_ERR = 2;
const HIERARCHY_REQUEST_ERR = 3;
const WRONG_DOCUMENT_ERR = 4;
const INVALID_CHARACTER_ERR = 5;
const NO_DATA_ALLOWED_ERR = 6;
const NO_MODIFICATION_ALLOWED_ERR = 7;
const NOT_FOUND_ERR = 8;
const NOT_SUPPORTED_ERR = 9;
const INUSE_ATTRIBUTE_ERR = 10;
const INVALID_STATE_ERR = 11;
const SYNTAX_ERR = 12;
const INVALID_MODIFICATION_ERR = 13;
const NAMESPACE_ERR = 14;
const INVALID_ACCESS_ERR = 15;
const VALIDATION_ERR = 16;
const TYPE_MISMATCH_ERR = 17;
const SECURITY_ERR = 18;
const NETWORK_ERR = 19;
const ABORT_ERR = 20;
const URL_MISMATCH_ERR = 21;
const QUOTA_EXCEEDED_ERR = 22;
const TIMEOUT_ERR = 23;
const INVALID_NODE_TYPE_ERR = 24;
const DATA_CLONE_ERR = 25;
// Defined in WebIDL 2.8.1.
// https://webidl.spec.whatwg.org/#dfn-error-names-table
/** @type {Record<string, number>} */
// the prototype should be null, to prevent user code from looking
// up Object.prototype properties, such as "toString"
const nameToCodeMapping: Record<string, number> = Object.create(null, {
IndexSizeError: { value: INDEX_SIZE_ERR },
HierarchyRequestError: { value: HIERARCHY_REQUEST_ERR },
WrongDocumentError: { value: WRONG_DOCUMENT_ERR },
InvalidCharacterError: { value: INVALID_CHARACTER_ERR },
NoModificationAllowedError: { value: NO_MODIFICATION_ALLOWED_ERR },
NotFoundError: { value: NOT_FOUND_ERR },
NotSupportedError: { value: NOT_SUPPORTED_ERR },
InUseAttributeError: { value: INUSE_ATTRIBUTE_ERR },
InvalidStateError: { value: INVALID_STATE_ERR },
SyntaxError: { value: SYNTAX_ERR },
InvalidModificationError: { value: INVALID_MODIFICATION_ERR },
NamespaceError: { value: NAMESPACE_ERR },
InvalidAccessError: { value: INVALID_ACCESS_ERR },
TypeMismatchError: { value: TYPE_MISMATCH_ERR },
SecurityError: { value: SECURITY_ERR },
NetworkError: { value: NETWORK_ERR },
AbortError: { value: ABORT_ERR },
URLMismatchError: { value: URL_MISMATCH_ERR },
QuotaExceededError: { value: QUOTA_EXCEEDED_ERR },
TimeoutError: { value: TIMEOUT_ERR },
InvalidNodeTypeError: { value: INVALID_NODE_TYPE_ERR },
DataCloneError: { value: DATA_CLONE_ERR },
});
class DOMException {
message: string;
name: string;
code: number;
constructor(message = "", name = "Error") {
this.message = message;
this.name = name;
this.code = nameToCodeMapping[name] || 0;
const error = new Error(message);
error.name = "DOMException";
Object.defineProperty(this, "stack", {
value: error.stack,
writable: true,
configurable: true,
});
// This calls `prepareStackTrace` that populates `__frameData`.
error.stack;
(this as any).__frameData = (error as any).__frameData ?? [];
}
get [Symbol.toStringTag]() {
return "DOMException";
}
}
const entries = Object.entries({
INDEX_SIZE_ERR,
DOMSTRING_SIZE_ERR,
HIERARCHY_REQUEST_ERR,
WRONG_DOCUMENT_ERR,
INVALID_CHARACTER_ERR,
NO_DATA_ALLOWED_ERR,
NO_MODIFICATION_ALLOWED_ERR,
NOT_FOUND_ERR,
NOT_SUPPORTED_ERR,
INUSE_ATTRIBUTE_ERR,
INVALID_STATE_ERR,
SYNTAX_ERR,
INVALID_MODIFICATION_ERR,
NAMESPACE_ERR,
INVALID_ACCESS_ERR,
VALIDATION_ERR,
TYPE_MISMATCH_ERR,
SECURITY_ERR,
NETWORK_ERR,
ABORT_ERR,
URL_MISMATCH_ERR,
QUOTA_EXCEEDED_ERR,
TIMEOUT_ERR,
INVALID_NODE_TYPE_ERR,
DATA_CLONE_ERR,
});
for (let i = 0; i < entries.length; ++i) {
const [key, value] = entries[i];
const desc = { value, enumerable: true };
Object.defineProperty(DOMException.prototype, key, desc);
}
Object.setPrototypeOf(DOMException.prototype, Error.prototype);
export const setupDOMException = (global: any) => {
global.DOMException = DOMException;
};