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/*
* Copyright (C) 2023-2024 Yomitan Authors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/**
* Custom error class for the extension which can contain extra data.
* This works around an issue where assigning the `DOMException.data` field can fail on Firefox.
* @see https://bugzilla.mozilla.org/show_bug.cgi?id=1776555
*/
export class ExtensionError extends Error {
/**
* @param {string} message
*/
constructor(message) {
super(message);
/** @type {string} */
this.name = 'ExtensionError';
/** @type {unknown} */
this._data = void 0;
}
/** @type {unknown} */
get data() { return this._data; }
set data(value) { this._data = value; }
/**
* Converts an `Error` object to a serializable JSON object.
* @param {unknown} error An error object to convert.
* @returns {import('core').SerializedError} A simple object which can be serialized by `JSON.stringify()`.
*/
static serialize(error) {
try {
if (typeof error === 'object' && error !== null) {
const {name, message, stack} = /** @type {import('core').SerializableObject} */ (error);
/** @type {import('core').SerializedError1} */
const result = {
name: typeof name === 'string' ? name : '',
message: typeof message === 'string' ? message : '',
stack: typeof stack === 'string' ? stack : ''
};
if (error instanceof ExtensionError) {
result.data = error.data;
}
return result;
}
} catch (e) {
// NOP
}
return /** @type {import('core').SerializedError2} */ ({
value: error,
hasValue: true
});
}
/**
* Converts a serialized error into a standard `Error` object.
* @param {import('core').SerializedError} serializedError A simple object which was initially generated by the `serialize` function.
* @returns {ExtensionError} A new `Error` instance.
*/
static deserialize(serializedError) {
if (serializedError.hasValue) {
const {value} = serializedError;
return new ExtensionError(`Error of type ${typeof value}: ${value}`);
}
const {message, name, stack, data} = serializedError;
const error = new ExtensionError(message);
error.name = name;
error.stack = stack;
if (typeof data !== 'undefined') {
error.data = data;
}
return error;
}
}
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