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const {
ErrorCaptureStackTrace,
ErrorPrototype,
ObjectDefineProperties,
ObjectDefineProperty,
ObjectSetPrototypeOf,
SafeWeakMap,
SafeMap,
SafeSet,
SymbolToStringTag,
TypeError,
} = primordials;
function throwInvalidThisError(Base, type) {
const err = new Base();
const key = 'ERR_INVALID_THIS';
ObjectDefineProperties(err, {
message: {
value: `Value of "this" must be of ${type}`,
enumerable: false,
writable: true,
configurable: true,
},
toString: {
value() {
return `${this.name} [${key}]: ${this.message}`;
},
enumerable: false,
writable: true,
configurable: true,
},
});
err.code = key;
throw err;
}
let disusedNamesSet;
let internalsMap;
let nameToCodeMap;
let isInitialized = false;
// We need to instantiate the maps lazily because they render
// the snapshot non-rehashable.
// https://bugs.chromium.org/p/v8/issues/detail?id=6593
function ensureInitialized() {
if (isInitialized) {
return;
}
internalsMap = new SafeWeakMap();
nameToCodeMap = new SafeMap();
forEachCode((name, codeName, value) => {
nameToCodeMap.set(name, value);
});
// These were removed from the error names table.
// See https://github.com/heycam/webidl/pull/946.
disusedNamesSet = new SafeSet()
.add('DOMStringSizeError')
.add('NoDataAllowedError')
.add('ValidationError');
isInitialized = true;
}
class DOMException {
constructor(message = '', name = 'Error') {
ensureInitialized();
ErrorCaptureStackTrace(this);
internalsMap.set(this, {
message: `${message}`,
name: `${name}`
});
}
get name() {
ensureInitialized();
const internals = internalsMap.get(this);
if (internals === undefined) {
throwInvalidThisError(TypeError, 'DOMException');
}
return internals.name;
}
get message() {
ensureInitialized();
const internals = internalsMap.get(this);
if (internals === undefined) {
throwInvalidThisError(TypeError, 'DOMException');
}
return internals.message;
}
get code() {
ensureInitialized();
const internals = internalsMap.get(this);
if (internals === undefined) {
throwInvalidThisError(TypeError, 'DOMException');
}
if (disusedNamesSet.has(internals.name)) {
return 0;
}
const code = nameToCodeMap.get(internals.name);
return code === undefined ? 0 : code;
}
}
ObjectSetPrototypeOf(DOMException.prototype, ErrorPrototype);
ObjectDefineProperties(DOMException.prototype, {
[SymbolToStringTag]: { configurable: true, value: 'DOMException' },
name: { enumerable: true, configurable: true },
message: { enumerable: true, configurable: true },
code: { enumerable: true, configurable: true }
});
function forEachCode(fn) {
fn('IndexSizeError', 'INDEX_SIZE_ERR', 1);
fn('DOMStringSizeError', 'DOMSTRING_SIZE_ERR', 2);
fn('HierarchyRequestError', 'HIERARCHY_REQUEST_ERR', 3);
fn('WrongDocumentError', 'WRONG_DOCUMENT_ERR', 4);
fn('InvalidCharacterError', 'INVALID_CHARACTER_ERR', 5);
fn('NoDataAllowedError', 'NO_DATA_ALLOWED_ERR', 6);
fn('NoModificationAllowedError', 'NO_MODIFICATION_ALLOWED_ERR', 7);
fn('NotFoundError', 'NOT_FOUND_ERR', 8);
fn('NotSupportedError', 'NOT_SUPPORTED_ERR', 9);
fn('InUseAttributeError', 'INUSE_ATTRIBUTE_ERR', 10);
fn('InvalidStateError', 'INVALID_STATE_ERR', 11);
fn('SyntaxError', 'SYNTAX_ERR', 12);
fn('InvalidModificationError', 'INVALID_MODIFICATION_ERR', 13);
fn('NamespaceError', 'NAMESPACE_ERR', 14);
fn('InvalidAccessError', 'INVALID_ACCESS_ERR', 15);
fn('ValidationError', 'VALIDATION_ERR', 16);
fn('TypeMismatchError', 'TYPE_MISMATCH_ERR', 17);
fn('SecurityError', 'SECURITY_ERR', 18);
fn('NetworkError', 'NETWORK_ERR', 19);
fn('AbortError', 'ABORT_ERR', 20);
fn('URLMismatchError', 'URL_MISMATCH_ERR', 21);
fn('QuotaExceededError', 'QUOTA_EXCEEDED_ERR', 22);
fn('TimeoutError', 'TIMEOUT_ERR', 23);
fn('InvalidNodeTypeError', 'INVALID_NODE_TYPE_ERR', 24);
fn('DataCloneError', 'DATA_CLONE_ERR', 25);
// There are some more error names, but since they don't have codes assigned,
// we don't need to care about them.
}
forEachCode((name, codeName, value) => {
const desc = { enumerable: true, value };
ObjectDefineProperty(DOMException, codeName, desc);
ObjectDefineProperty(DOMException.prototype, codeName, desc);
});
exports.DOMException = DOMException;
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