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'use strict' const { format } = require('node:util') function toString () { return `${this.name} [${this.code}]: ${this.message}` } const FastifyGenericErrorSymbol = Symbol.for('fastify-error-generic') function createError (code, message, statusCode = 500, Base = Error, captureStackTrace = createError.captureStackTrace) { const shouldCreateFastifyGenericError = code === FastifyGenericErrorSymbol if (shouldCreateFastifyGenericError) { code = 'FST_ERR' } if (!code) throw new Error('Fastify error code must not be empty') if (!message) throw new Error('Fastify error message must not be empty') code = code.toUpperCase() !statusCode && (statusCode = undefined) const FastifySpecificErrorSymbol = Symbol.for(`fastify-error ${code}`) function FastifyError (...args) { if (!new.target) { return new FastifyError(...args) } this.code = code this.name = 'FastifyError' this.statusCode = statusCode const lastElement = args.length - 1 if (lastElement !== -1 && args[lastElement] && typeof args[lastElement] === 'object' && 'cause' in args[lastElement]) { this.cause = args.pop().cause } this.message = format(message, ...args) Error.stackTraceLimit && captureStackTrace && Error.captureStackTrace(this, FastifyError) } FastifyError.prototype = Object.create(Base.prototype, { constructor: { value: FastifyError, enumerable: false, writable: true, configurable: true }, [FastifyGenericErrorSymbol]: { value: true, enumerable: false, writable: false, configurable: false }, [FastifySpecificErrorSymbol]: { value: true, enumerable: false, writable: false, configurable: false } }) if (shouldCreateFastifyGenericError) { Object.defineProperty(FastifyError, Symbol.hasInstance, { value (instance) { return instance && instance[FastifyGenericErrorSymbol] }, configurable: false, writable: false, enumerable: false }) } else { Object.defineProperty(FastifyError, Symbol.hasInstance, { value (instance) { return instance && instance[FastifySpecificErrorSymbol] }, configurable: false, writable: false, enumerable: false }) } FastifyError.prototype[Symbol.toStringTag] = 'Error' FastifyError.prototype.toString = toString return FastifyError } createError.captureStackTrace = true const FastifyErrorConstructor = createError(FastifyGenericErrorSymbol, 'Fastify Error', 500, Error) module.exports = createError module.exports.FastifyError = FastifyErrorConstructor module.exports.default = createError module.exports.createError = createError