Changes

Release Date: 25 December 2018

Core:

• Feature: rest parameters syntax (destructuring is not supported). Thanks to Alexander Pyshchev.

• Feature: added Object.entries() method.

• Feature: added Object.values() method.

• Improvement: code generator refactored and simplified.

• Bugfix: fixed automatic semicolon insertion.

• Bugfix: fixed assignment expression from compound assignment.

• Bugfix: fixed comparison of Byte and UTF8 strings.

• Bugfix: fixed type of iteration variable in for-in with array values.

• Bugfix: fixed building on platforms without librt.

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 27 November 2018

Core:

• Feature: making built-in prototypes mutable.

• Feature: making global object mutable.

• Feature: console.time() and console.timeEnd() methods.

• Feature: allowing variables and functions to be redeclared.

• Feature: extending Object.defineProperty() spec conformance.

• Feature: introduced quiet mode for CLI to handle simple expressions from stdin.

• Feature: introduced compact form of backtraces to handle stack overflows.

• Improvement: improved wording for various exceptions.

• Bugfix: fixed closure values handling.

• Bugfix: fixed equality operator for various value types.

• Bugfix: fixed handling of “this” keyword in various scopes.

• Bugfix: fixed handling non-object values in Object.keys().

• Bugfix: fixed parsing of throw statement inside if statement.

• Bugfix: fixed parsing of newline after throw statement.

• Bugfix: fixed parsing of statements in if statement without newline.

• Bugfix: fixed size uint32_t overflow in njs_array_expand().

• Bugfix: fixed typeof operator for object_value type.

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 30 October 2018

nginx modules:

• Bugfix: fixed counting pending events in stream module.

• Bugfix: fixed s.off() in stream module.

• Bugfix: fixed processing of data chunks in js_filter in stream module.

• Bugfix: fixed http status and contentType getter in http module.

• Bugfix: fixed http response and parent getters in http module.

Core:

• Feature: arguments object support.

• Feature: non-integer fractions support.

• Improvement: handling non-array values in Array.prototype.slice().

• Bugfix: fixed Array.prototype.length setter

• Bugfix: fixed njs_array_alloc() for length > 2**31.

• Bugfix: handling int overflow in njs_array_alloc() on 32bit archs.

• Bugfix: fixed code size mismatch error message.

• Bugfix: fixed delete operator in a loop.

• Bugfix: fixed Object.getOwnPropertyDescriptor() for complex object (inherited from Array and string values).

• Bugfix: fixed Object.prototype.hasOwnProperty() for non-object properties

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 18 September 2018

nginx modules:

• Change: stream module handlers refactored.

  New methods and properties: s.on(), s.off(), s.allow(), s.done(), s.decline(), s.deny().

  Removed properties of the Stream object: s.OK, s.ABORT, s.AGAIN, s.DECLINED, s.ERROR (replaced with s.allow(), s.done(), s.deny()).

  s.buffer (for reading replaced with data argument of the corresponding callback, for writing use s.send()).

  s.fromUpstream (replaced with a callback for a corresponding event).

  s.eof (replaced with flags.last).

Core:

• Feature: added Function.prototype.length.

• Feature: introduced sandboxing mode.

• Improvement: added exception strings where appropriate.

• Improvement: improved wording for primitive type conversion exception.

• Bugfix: throwing TypeError for attempts to change frozen properties.

• Bugfix: fixed Object.defineProperty() for existing properties.

• Bugfix: respecting the enumerable attribute while iterating by for in.

• Bugfix: respecting writable attribute for property handlers.

• Bugfix: fixed exception handling in arguments of a function.

• Bugfix: fixed Object.prototype.toString for different value types.

• Bugfix: fixed Object() constructor for object types arguments.

• Bugfix: fixed comparison of objects and strings.

• Bugfix: fixed String.slice() for undefined arguments.

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 31 July 2018

nginx modules:

• Bugfix: making a subrequest from a Reply object caused a segmentation fault.

• Bugfix: getting the parent property of the main HTTP Request object caused a segmentation fault.

Core:

• Feature: added the pretty string representation for values.

• Feature: correctly printing floating point numbers.

• Feature: correctly parsing floating point numbers.

• Feature: String.bytesFrom() method (decoding hex, base64, base64url into a byte string).

• Feature: String.padStart() and String.padEnd() methods.

• Feature: added support of binary literals.

• Improvement: added information about illegal token in number parsing.

• Improvement: allowed uppercased O in octal literal values.

• Improvement: added support for multiple arguments in console.log().

• Bugfix: fixed applying call() to methods of external values.

• Bugfix: fixed addition operator applied to an object.

• Bugfix: fixed exception handling in njs_vm_value_to_ext_string().

• Bugfix: fixed Number() with boolean, null and undefined arguments.

• Bugfix: fixed error handling of setting non-numeric Array.length.

• Bugfix: fixed autocompletion for global objects.

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 19 June 2018

nginx modules:

• Change: merged HTTP Response and Reply into HTTP Request. New members of Request:

  • req.status (res.status)

  • req.parent (reply.parent)

  • req.requestBody (req.body)

  • req.responseBody (reply.body)

  • req.headersIn (req.headers)

  • req.headersOut (res.headers)

  • req.sendHeader() (res.sendHeader())

  • req.send() (res.send())

  • req.finish() (res.finish())

  • req.return() (res.return())

  Deprecated members of Request:

  • req.body (use req.requestBody or req.responseBody)

  • req.headers (use req.headersIn or req.headersOut)

  • req.response

  The deprecated properties will be removed in next releases.

• Feature: HTTP internalRedirect() method.

Core:

• Bugfix: fixed heap-buffer-overflow in crypto.createHmac().

Release Date: 31 May 2018

nginx modules:

• Feature: HTTP request body getter.

• Improvement: moved njs vm to the main configuration.

• Improvement: improved logging for js_set and js_content directives.

• Improvement: setting status code to 500 by default in the js_content handler

• Improvement: added the debug for the returned status code in js_content handler

• Bugfix: fixed error logging in js_include.

Core:

• Feature: added array length setter.

• Improvement: public header cleanup. njscript.h is renamed to njs.h.

• Bugfix: fixed crypto update() method after digest() is called.

• Bugfix: fixed crypto.createHmac() for keys with size <= alg size and > 64.

• Bugfix: fixed JSON.stringify() for arrays with empty cells.

• Bugfix: fixed exception type for unsupported types in JSON.stringify().

• Bugfix: fixed handling of undefined arguments of functions.

• Bugfix: fixed handling of missing arg of Object.getOwnPropertyDescriptor().

• Bugfix: fixed handling of properties in Object.getOwnPropertyDescriptor().

• Bugfix: fixed the writeable flag of Array.length property.

• Bugfix: fixed return value type of clearTimeout().

• Bugfix: fixed njs_vm_external_bind().

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 3 Apr 2018

• Feature: reporting njs version by CLI.

• Feature: textual description for type converting exceptions.

• Feature: setTimeout() and clearTimeout() methods.

• Feature: Byte string to hex, base64, base64url encodings.

• Feature: Node.js style Crypto methods.

• Feature: HTTP and stream warn() and error() methods.

• Feature: HTTP subrequest() method.

• Feature: HTTP return() method.

• Bugfix: miscellaneous bugs have been fixed in the core and interactive shell.

Release Date: 20 Nov 2017

• Feature: Error, EvalError, InternalError, RangeError, ReferenceError, SyntaxError, TypeError, URIError objects.

• Feature: octal literals support.

• Feature: Node.js style File system access methods: fs.readFile(), fs.readFileSync(), fs.appendFile(), fs.appendFileSync(), fs.writeFile(), fs.writeFileSync().

• Feature: nginx modules print backtrace on exception.

• Bugfix: miscellaneous bugs have been fixed.

Release Date: 09 Oct 2017

• Feature: JSON object.

• Feature: object level completions in interactive shell.

• Feature: various configure improvements.

• Bugfix: miscellaneous bugs have been fixed in the core and interactive shell.

Release Date: 31 Aug 2017

• Feature: console.log() and console.help() methods in interactive shell.

• Feature: interactive shell prints backtrace on exception.

• Feature: interactive shell by default if libedit is available.

• Bugfix: processing of large files from stdin in command line mode.

• Bugfix: improved editline detection.

Release Date: 08 Aug 2017

• Feature: Interactive shell.

• Bugfix: in Object.isSealed().

Release Date: 27 Jun 2017

• Feature: Object.keys(), Object.prototype.hasOwnProperty() methods.

• Feature: Object.defineProperty(), Object.defineProperties(), Object.getOwnPropertyDescriptor() methods.

• Feature: Object.getPrototypeOf(), Object.prototype.isPrototypeOf() methods.

• Feature: Object.preventExtensions(), Object.isExtensible(), Object.freeze(), Object.isFrozen(), Object.seal(), Object.isSealed() methods.

• Feature: scientific notation (3.35e10) literals support.

• Feature: hexadecimal (0x1123) literals support.

• Bugfix: processing of large array indexes.

• Bugfix: in parseInt() and Date.parse().

Release Date: 04 Apr 2017

• Feature: nested functions and function closures.

• Feature: Array.of(), Array.prototype.fill(), Array.prototype.find(), Array.prototype.findIndex() methods.

• Bugfix: miscellaneous bugs and segmentation faults have been fixed.

Release Date: 01 Feb 2017

• Bugfix: global variables were not initialized when njs was used in nginx.

Release Date: 24 Jan 2017

• Change: the strict mode is enforced, variables must be explicitly declared.

• Feature: for and for-in loops support variable declaration.

• Bugfix: global and function scopes have been fixed.

• Bugfix: now for-in loop does not discard the last value of property variable.

• Bugfix: miscellaneous bugs and segmentation faults have been fixed.

Release Date: 27 Dec 2016

• Change: the js_include directive has been disabled at server and location levels.

• Feature: exponentiation operators.

• Bugfix: miscellaneous bugs and segmentation faults have been fixed.

Release Date: 13 Dec 2016

• Change: the js_set directive has been disabled at server and location levels.

• Feature: ES6 Math methods.

• Bugfix: miscellaneous bugs and segmentation faults have been fixed.