Release Date: 25 June 2019
nginx modules:
Improvement: getting of special response headers in r.headersOut{}.
Improvement: working with unknown methods in r.subrequest().
Improvement: added support for null as a second argument of r.subrequest().
Bugfix: fixed processing empty output chain in stream body filter.
Core:
Feature: added runtime support for property getter/setter. Thanks to 洪志道 (Hong Zhi Dao) and Artem S. Povalyukhin.
Feature: added process global object.
Feature: writable most of built-in properties and methods.
Feature: added generic implementation of Array.prototype.fill().
Bugfix: fixed integer-overflow in String.prototype.concat().
Bugfix: fixed setting of object properties.
Bugfix: fixed Array.prototype.toString().
Bugfix: fixed Date.prototype.toJSON().
Bugfix: fixed overwriting “constructor” property of built-in prototypes.
Bugfix: fixed processing of invalid surrogate pairs in strings.
Bugfix: fixed processing of invalid surrogate pairs in JSON strings.
Bugfix: fixed heap-buffer-overflow in toUpperCase() and toLowerCase().
Bugfix: fixed escaping lone closing square brackets in RegExp() constructor.
Bugfix: fixed handling zero byte characters inside RegExp pattern strings.
Bugfix: fixed String.prototype.toBytes() for ASCII strings.
Bugfix: fixed truth value of JSON numbers in JSON.parse().
Bugfix: fixed use-of-uninitialized-value in njs_string_replace_join().
Bugfix: fixed parseInt('-0'). Thanks to Artem S. Povalyukhin.
Release Date: 21 May 2019
Core:
Feature: added support for template literals. Thanks to 洪志道 (Hong Zhi Dao) and Artem S. Povalyukhin.
Feature: executing command from command line arguments.
Feature: added support for RegExp groups object (ES9).
Feature: added block scoped function definitions support.
Feature: added support for building with GNU Readline library.
Feature: made configurable length, name, and most of built-in methods.
Feature: made all constructor properties configurable.
Bugfix: fixed Regexp.prototype.exec() for Unicode-only regexps.
Bugfix: fixed njs_vm_value_dump() for empty string values.
Bugfix: fixed RegExp constructor for regexp value arguments.
Bugfix: fixed walking over prototypes chain during iteration over an object.
Bugfix: fixed overflow in Array.prototype.concat().
Bugfix: fixed length calculation for UTF-8 string with escape characters.
Bugfix: fixed parsing surrogate pair presents as UTF-16 escape sequences.
Bugfix: fixed processing the “*” quantifier for String.prototype.match().
Bugfix: fixed Date() constructor with one argument.
Bugfix: fixed arrays expansion.
Bugfix: fixed heap-buffer-overflow in String.prototype.replace().
Bugfix: fixed heap-buffer-overflow in String.prototype.lastIndexOf().
Bugfix: fixed regexp literals parsing with escaped backslash and backslash in square brackets.
Bugfix: fixed regexp literals with lone closing brackets.
Bugfix: fixed uninitialized-memory-access in Object.defineProperties().
Bugfix: fixed processing the “*” quantifier for String.prototype.replace().
Bugfix: fixed Array.prototype.slice() for UTF8-invalid byte strings.
Bugfix: fixed String.prototype.split() for UTF8-invalid byte strings.
Bugfix: fixed handling of empty block statements.
Release Date: 16 April 2019
Core:
Feature: added arrow functions support. Thanks to 洪志道 (Hong Zhi Dao) and Artem S. Povalyukhin.
Feature: added Object.getOwnPropertyNames(). Thanks to Artem S. Povalyukhin.
Feature: added Object.getOwnPropertyDescriptors(). Thanks to Artem S. Povalyukhin.
Feature: making __proto__ accessor descriptor of Object instances mutable.
Feature: added shebang support in CLI.
Feature: added support for module mode execution in CLI. In module mode global, this is unavailable.
Bugfix: fixed editline detection.
Bugfix: fixed Function.prototype.bind(). Thanks to 洪志道 (Hong Zhi Dao).
Bugfix: fixed checking of duplication of parameters for functions. Thanks to 洪志道 (Hong Zhi Dao).
Bugfix: fixed function declaration with the same name as a variable. Thanks to 洪志道 (Hong Zhi Dao).
Improvement: code related to parsing of objects, variables and functions is refactored. Thanks to 洪志道 (Hong Zhi Dao).
Improvement: large-value output improved in console.log().
Improvement: string output improved in console.log() in a compliant way (without escaping and quotes).
Improvement: using ES6 version of ToInt32(), ToUint32(), ToLength().
Release Date: 26 March 2019
nginx modules:
Change: returning undefined value instead of empty strings for absent properties in the following objects: r.args{}, r.headersIn{}, r.headersOut{}, r.variables{}, s.variables{}.
Change: returning undefined value instead of throwing an exception for r.requestBody when request body is unavailable.
Bugfix: fixed crash while iterating over r.args{} when a value is absent in a key-value pair.
Core:
Feature: added initial ES6 modules support. Default import and default export statements are supported. Thanks to 洪志道 (Hong Zhi Dao).
Feature: added Object.prototype.propertyIsEnumerable().
Feature: reporting file name and function name in disassembler output.
Bugfix: fixed function redeclarations in interactive shell. Thanks to 洪志道 (Hong Zhi Dao).
Bugfix: fixed RegExp literals parsing.
Bugfix: fixed setting length of UTF8 string in fs.readFileSync().
Bugfix: fixed nxt_file_dirname() for paths with no dir component.
Release Date: 26 February 2019
nginx modules:
Change: properties of HTTP request deprecated in 0.2.2 are removed.
Feature: added support for delete operation in r.headersOut{}.
Feature: added support for setting nginx variables.
Bugfix: fixed r.subrequest() for empty body value.
Improvement: setting special response headers in r.headersOut{}.
Core:
Feature: added labels support.
Feature: added setImmediate() method.
Feature: added support for shorthand property names for Object literals.
Bugfix: fixed Function.prototype.bind().
Bugfix: fixed parsing of string literals containing newline characters.
Bugfix: fixed line number in reporting variable reference errors.
Bugfix: fixed creation of long UTF8 strings.
Bugfix: fixed setting special response headers in String.prototype.split() for Unicode strings.
Bugfix: fixed heap-buffer-overflow in String.prototype.split().
Bugfix: fixed Array.prototype.fill(). Thanks to Artem S. Povalyukhin.
Improvement: code related to function invocation is refactored. Thanks to 洪志道 (Hong Zhi Dao).
Improvement: code related to variables is refactored. Thanks to 洪志道 (Hong Zhi Dao).
Improvement: parser is refactored. Thanks to 洪志道 (Hong Zhi Dao).
Improvement: reporting filenames in exceptions.
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
Deprecated members of Response:
res.contentLength (use req.headersOut['Content-Length'])
res.contentType (use req.headersOut['Content-Type'])
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.
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.
© 2002-2019 Igor Sysoev
© 2011-2019 Nginx, Inc.
Licensed under the BSD License.
https://nginx.org/en/docs/njs/changes.html