memfs
Version:
In-memory file-system with Node's fs API.
77 lines • 3.16 kB
JavaScript
;
// Adapted from Node.js ../internal/errors.js, used for throwing similar errors to Node.js.
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssertionError = exports.RangeError = exports.TypeError = exports.Error = void 0;
exports.message = message;
exports.E = E;
const util_1 = require("../util");
const kCode = typeof Symbol === 'undefined' ? '_kCode' : Symbol('code');
const messages = {};
function makeNodeError(Base) {
return class NodeError extends Base {
constructor(key, ...args) {
super(message(key, args));
this.code = key;
this[kCode] = key;
this.name = `${super.name} [${this[kCode]}]`;
}
};
}
const g = typeof globalThis !== 'undefined' ? globalThis : global;
class AssertionError extends g.Error {
constructor(options) {
if (typeof options !== 'object' || options === null) {
throw new exports.TypeError('ERR_INVALID_ARG_TYPE', 'options', 'object');
}
if (options.message) {
super(options.message);
}
else {
super(`${(0, util_1.inspect)(options.actual).slice(0, 128)} ` + `${options.operator} ${(0, util_1.inspect)(options.expected).slice(0, 128)}`);
}
this.generatedMessage = !options.message;
this.name = 'AssertionError [ERR_ASSERTION]';
this.code = 'ERR_ASSERTION';
this.actual = options.actual;
this.expected = options.expected;
this.operator = options.operator;
exports.Error.captureStackTrace(this, options.stackStartFunction);
}
}
exports.AssertionError = AssertionError;
function message(key, args) {
if (typeof key !== 'string')
throw new exports.Error('Error message key must be a string');
const msg = messages[key];
if (!msg)
throw new exports.Error(`An invalid error message key was used: ${key}.`);
let fmt;
if (typeof msg === 'function') {
fmt = msg;
}
else {
fmt = util_1.format;
if (args === undefined || args.length === 0)
return msg;
args.unshift(msg);
}
return String(fmt.apply(null, args));
}
// Utility function for registering the error codes. Only used here. Exported
// *only* to allow for testing.
function E(sym, val) {
messages[sym] = typeof val === 'function' ? val : String(val);
}
exports.Error = makeNodeError(g.Error);
exports.TypeError = makeNodeError(g.TypeError);
exports.RangeError = makeNodeError(g.RangeError);
E('ERR_DIR_CLOSED', 'Directory handle was closed');
E('ERR_DIR_CONCURRENT_OPERATION', 'Cannot do synchronous work on directory handle with concurrent asynchronous operations');
E('ERR_INVALID_FILE_URL_HOST', 'File URL host must be "localhost" or empty on %s');
E('ERR_INVALID_FILE_URL_PATH', 'File URL path %s');
E('ERR_INVALID_OPT_VALUE', (name, value) => {
return `The value "${String(value)}" is invalid for option "${name}"`;
});
E('ERR_INVALID_OPT_VALUE_ENCODING', value => `The value "${String(value)}" is invalid for option "encoding"`);
E('ERR_INVALID_ARG_VALUE', 'Unable to open file as blob');
//# sourceMappingURL=errors.js.map