Release Date: 16 April 2024
nginx modules:
Feature:
the Server header for outgoing header can be set.
Improvement:
validating URI and args arguments in
r.subrequest().
Improvement: checking for duplicate js_set variables.
Bugfix:
fixed
clear()
method of a shared dictionary without a timeout
introduced in 0.8.3.
Bugfix:
fixed
r.send()
method of a shared dictionary without a timeout
with Buffer argument.
Core:
Feature:
added QuickJS engine support in CLI.
Bugfix:
fixed
atob()
with non-padded base64 strings.
Release Date: 07 February 2024
nginx modules:
Bugfix:
fixed
Headers.set().
Bugfix:
fixed
js_set
with Buffer values.
Bugfix:
fixed
clear()
method of a shared dictionary when a timeout is not specified.
Bugfix: fixed stub_status statistics when js_periodic is enabled.
Core:
Bugfix: fixed building with libxml2 2.12 and later.
Bugfix:
fixed Date constructor for overflows
and with NaN values.
Bugfix:
fixed underflow in
querystring.parse().
Bugfix:
fixed potential buffer overread in
String.prototype.match().
Bugfix:
fixed parsing of for-in loops.
Bugfix: fixed parsing of hexadecimal, octal, and binary literals with no digits.
Release Date: 24 October 2023
nginx modules:
Feature:
introduced
console object.
The following methods were introduced:
error(),
info(),
log(),
time(),
timeEnd(),
warn().
Bugfix:
fixed
HEAD response handling with large Content-Length in
Fetch API.
Bugfix:
fixed
items()
method for a shared dictionary.
Bugfix:
fixed
delete()
method for a shared dictionary.
Core:
Feature:
extended
fs module.
Added
fs.existsSync().
Bugfix:
fixed
xml module.
Broken XML exception handling in
xml.parse()
method was fixed.
Bugfix:
fixed
Regexp.prototype.exec() with global regexp and Unicode input.
Release Date: 12 September 2023
nginx modules:
Feature:
introduced the js_periodic directive for
http
and
stream
that allows specifying a JS handler to run at regular intervals.
Feature:
implemented
items()
method of a
shared dictionary.
The method returns all the non-expired key-value pairs.
Bugfix:
fixed
size()
and
keys()
methods of a
shared dictionary.
Bugfix:
fixed erroneous exception in
r.internalRedirect()
introduced in 0.8.0.
Core:
Bugfix:
fixed incorrect order of keys in
Object.getOwnPropertyNames().
Release Date: 06 July 2023
nginx modules:
Change: removed special treatment of forbidden headers in Fetch API introduced in 0.7.10.
Change:
removed deprecated since 0.5.0
r.requestBody
and
r.responseBody
in
http
module.
Change:
throwing an exception in
r.internalRedirect()
while filtering in
http
module.
Feature:
introduced more global
nginx properties:
ngx.build,
ngx.conf_file_path,
ngx.error_log_path,
ngx.prefix,
ngx.version,
ngx.version_number,
and
ngx.worker_id.
Feature:
introduced the js_shared_dict_zone directive for
http
and
stream
that allows declaring a dictionary shared between worker processes.
Feature:
introduced global
nginx.shared
methods and properties for working with shared dictionaries.
Improvement: added compile-time options to disable njs modules. For example, to disable libxslt-related code:
NJS_LIBXSLT=NO ./configure .. --add-module=/path/to/njs/module
Bugfix:
fixed
r.status
setter when filtering in
http
module.
Bugfix:
fixed setting of Location header in
http
module.
Core:
Change:
native methods are provided with retval argument.
This change breaks compatibility with C extension for njs
requiring the modification of the code.
Change:
non-compliant deprecated String methods were removed.
The following methods were removed:
String.bytesFrom(),
String.prototype.fromBytes(),
String.prototype.fromUTF8(),
String.prototype.toBytes(),
String.prototype.toUTF8(),
String.prototype.toString(.
encoding)
Change: removed support for building with GNU readline.
Feature:
added ES13-compliant Array methods:
Array.from(),
Array.prototype.toSorted(),
Array.prototype.toSpliced(),
Array.prototype.toReversed().
Feature:
added ES13-compliant TypedArray methods:
%TypedArray%.prototype.toSorted(),
%TypedArray%.prototype.toSpliced(),
%TypedArray%.prototype.toReversed().
Feature:
added
CryptoKey
properties in
WebCrypto API.
The following properties were added:
algorithm,
extractable,
type,
usages.
Bugfix:
fixed retval of
сrypto.getRandomValues().
Bugfix: fixed evaluation of computed property names with function expressions.
Bugfix: fixed implicit name for a function expression declared in arrays.
Bugfix:
fixed parsing of for-in loops.
Bugfix:
fixed
Date.parse() with ISO-8601 format and UTC time offset.
Release Date: 10 April 2023
nginx modules:
Bugfix:
fixed Headers() constructor in
Fetch API.
Core:
Feature:
added
Hash.copy()
method in
crypto module.
Feature: added zlib module.
Improvement:
added support for
export {name as default} statement.
Bugfix:
fixed Number constructor according to the spec.
Release Date: 09 March 2023
nginx modules:
Core:
Feature: added XMLNode API to modify XML documents.
Change:
removed XML_PARSE_DTDVALID during parsing of an XML document
due to security implications.
The issue was introduced in 0.7.10.
When XML_PARSE_DTDVALID is enabled,
libxml2
parses and executes external entities present inside an XML document.
Bugfix:
fixed the detection of await in arguments.
Bugfix:
fixed Error() instance dumping
when “name” prop is not primitive.
Bugfix:
fixed array instance with a getter property dumping.
Bugfix:
fixed njs_object_property() with
NJS_WHITEOUT properties.
Bugfix:
fixed func instance dumping
with “name” as getter.
Bugfix: fixed attaching of a stack to an error object.
Bugfix:
fixed String.prototype.replace() with replacement
containing “$'”, “$`”.
Release Date: 07 February 2023
nginx modules:
Feature:
added
Request,
Response,
and
Headers
ctors in
Fetch API.
Bugfix: fixed nginx logger callback for calls in the master process.
Core:
Feature: added signal support in CLI.
Feature:
added
xml
module for working with XML documents.
Feature:
extended support for symmetric and asymmetric keys in WebCrypto.
Most notably JWK format for
importKey()
was added.
Feature:
extended support for symmetric and asymmetric keys in
WebCrypto API.
Most notably JWK format for
importKey()
was added.
generateKey()
and
exportKey()
were also implemented.
Feature:
added
String.prototype.replaceAll().
Bugfix:
fixed for(expr1; conditional syntax error handling.
Bugfix:
Object.values()
and
Object.entries()
with external objects.
Bugfix:
fixed RegExp.prototype[@@replace]().
Release Date: 17 November 2022
nginx modules:
Bugfix:
fixed
Fetch
Response prototype reinitialization.
When at least one js_import directive was declared in both
HTTP
and
Stream,
ngx.fetch()
returned inapproriate response in Stream.
The bug was introduced in 0.7.7.
Core:
Bugfix:
fixed String.prototype.replace(re)
if re.exec() returns non-flat array.
Bugfix:
fixed Array.prototype.fill()
when start object changes this.
Bugfix:
fixed description for
fs.mkdir()
and
fs.rmdir()
methods.
Bugfix:
fixed %TypedArray%.prototype.set(s)
when s element changes this.
Bugfix:
fixed Array.prototype.splice(s,d)
when d resizes this during eval.
Bugfix:
fixed for-in loop with left and right hand side expressions.
Release Date: 25 October 2022
nginx modules:
Feature: added js_preload_object directive.
Feature:
added
ngx.conf_prefix
property.
Feature:
added
s.sendUpstream()
and
s.sendDownstream()
in
stream module.
Feature:
added support for HEAD method in
Fetch API.
Improvement:
improved async callback support for
s.send()
in
stream module.
Core:
Feature:
added name instance property for a function object.
Feature:
added
njs.memoryStats
object.
Bugfix:
fixed
String.prototype.trimEnd()
with unicode string.
Bugfix:
fixed Object.freeze() with fast arrays.
Bugfix:
fixed Object.defineProperty() with fast arrays.
Bugfix:
fixed async token as a property name of an object.
Bugfix: fixed property set instruction when key modifies base binding.
Bugfix: fixed complex assignments.
Bugfix: fixed handling of unhandled promise rejection.
Bugfix: fixed process.env when duplicate environ variables are present.
Bugfix: fixed double declaration detection in modules.
Bugfix: fixed bound function calls according to the spec.
Bugfix:
fixed break label for if statement.
Bugfix: fixed labeled empty statements.
Release Date: 30 August 2022
nginx modules:
Feature: the number of nginx configuration contexts where js directives can be specified is extended.
HTTP:
the js_import,
js_path,
js_set, and
js_var directives
are allowed in
server and location contexts.
The js_content,
js_body_filter and
js_header_filter
are allowed in
if context.
Stream:
the js_import,
js_path,
js_set, and
js_var
are allowed in
server context.
Feature:
added
r.internal
property.
Bugfix: fixed reading response body in Fetch API.
Bugfix: fixed js_fetch_timeout in stream.
Bugfix:
fixed socket leak with 0 fetch timeout.
Core:
Feature:
extended
fs module.
Added
fs.openSync(),
fs.promises.open(),
fs.fstatSync(),
fs.readSync(),
fs.writeSync().
The following properties of
FileHandle
are implemented:
fd,
read(),
stat(),
write(),
close().
Bugfix:
fixed parseInt(),
parseFloat(),
Symbol.for()
with no arguments.
Release Date: 19 July 2022
nginx modules:
Feature:
improved
r.args{} object.
Added support for multiple arguments with the same key.
Added case sensitivity for keys.
Keys and values are percent-decoded now.
Bugfix:
fixed
r.headersOut{}
setter for special headers.
Core:
Feature:
added Symbol.for() and Symbol.keyfor().
Bugfix: fixed large non-decimal literals.
Bugfix:
fixed Unicode argument trimming in parseInt().
Bugfix:
fixed break instruction
in try-catch block.
Bugfix:
fixed async function declaration in CLI.
Release Date: 21 June 2022
nginx modules:
Change: adapting to changes in nginx header structures.
Bugfix:
fixed
r.headersOut{}
special getters when value is absent.
Change:
returning undefined value instead of an empty string for
Content-Type when the header is absent.
Core:
Bugfix: fixed catching of the exception thrown from an awaited function.
Bugfix: fixed function value initialization.
Bugfix: fixed interpreter when await fails.
Bugfix: fixed typed-array constructor when source array is changed while iterating.
Bugfix:fixed
String.prototype.replace()
with byte strings.
Bugfix: fixed template literal from producing byte-strings.
Bugfix: fixed array iterator with sparse arrays.
Bugfix: fixed memory free while converting a flat array to a slow array.
Bugfix:
properly handling NJS_DECLINE in
promise native functions.
Bugfix:
fixed working with an array-like object in
Promise.all()
and friends.
Release Date: 24 May 2022
nginx modules:
Feature: added extended directives for configuring Fetch API. The following directives were added for http and stream:
Change:
r.internalRedirect() now accepts escaped URIs.
Bugfix: fixed Response parsing with more than 8 headers in Fetch API.
Core:
Feature:
added
njs.version_number property.
Feature: added compatibility with BoringSSL for WebCrypto API.
Bugfix:
fixed
Array.prototype.sort()
when arr size is changed in a comparator.
Bugfix:
fixed
Array.prototype.slice()
with slow this argument.
Bugfix:
fixed aggregation methods of Promise ctor
with array-like object.
Bugfix:
fixed String.prototype.lastIndexOf()
with Unicode string as this.
Bugfix:
fixed
JSON.parse()
when reviver function is provided.
Bugfix:
fixed
Object.defineProperty()
when a recursive descriptor is provided.
Bugfix:
fixed Array.prototype.fill() for typed-arrays.
Bugfix: making function expression binding immutable according to the specs.
Bugfix:
fixed redefinition of special props in
Object.defineProperty().
Release Date: 12 April 2022
Core:
Feature: added support of module resolution callback. This feature allows the host environment to control how imported modules are loaded.
Bugfix: fixed backtraces while traversing imported user modules.
Bugfix:
fixed
Array.prototype.concat()
when this is a slow array.
Bugfix: fixed frame allocation from an awaited frame.
Bugfix: fixed allocation of large array literals.
Bugfix:
fixed interpreter when toString conversion fails.
Release Date: 25 January 2022
Core:
Bugfix:
fixed
Array.prototype.join()
when array is changed while iterating.
Bugfix:
fixed
Array.prototype.slice()
when array is changed while iterating.
Bugfix:
fixed
Array.prototype.concat()
when array is changed while iterating.
Bugfix:
fixed
Array.prototype.reverse()
when array is changed while iterating.
Bugfix:
fixed
Buffer.concat()
with subarrays.
Thanks to Sylvain Etienne.
Bugfix: fixed type confusion bug while resolving promises.
Bugfix:
fixed
Function.prototype.apply()
with large array arguments.
Bugfix:
fixed recursive async function calls.
Bugfix: fixed function redeclaration. The bug was introduced in 0.7.0.
Release Date: 28 December 2021
nginx modules:
Change: the js_include directive deprecated since 0.4.0 was removed.
Change: PCRE/PCRE2-specific code was moved to the modules. This ensures that njs uses the same RegExp library as nginx.
Core:
Bugfix:
fixed
decodeURI() and
decodeURIComponent()
with invalid byte strings.
The bug was introduced in
0.4.3.
Bugfix:
fixed heap-use-after-free in await frame.
The bug was introduced in
0.7.0.
Bugfix:
fixed WebCrypto sign() and
verify() methods with OpenSSL 3.0.
Bugfix: fixed exception throwing when RegExp match fails. The bug was introduced in 0.1.15.
Bugfix:
fixed catching of exception thrown in try block
of async function.
The bug was introduced in
0.7.0.
Bugfix:
fixed execution of async function in synchronous context.
The bug was introduced in
0.7.0.
Bugfix: fixed function redeclaration in CLI when interactive mode is on. The bug was introduced in 0.6.2.
Bugfix:
fixed typeof operator with
DataView object.
Bugfix: eliminated information leak in Buffer.from().
Release Date: 19 October 2021
nginx modules:
Core:
Feature:
introduced Async/Await implementation.
Feature: added WebCrypto API implementation.
Bugfix: fixed copying of closures for declared functions. The bug was introduced in 0.6.0.
Bugfix:
fixed unhandled promise rejection in handle events.
Bugfix: fixed Response.headers getter in Fetch API.
Release Date: 31 August 2021
nginx modules:
Bugfix:
fixed CPU hog when
js_filter is registered in both directions.
Core:
Feature:
introduced AggregateError implementation.
Feature:
added remaining Promise constructor methods.
The following methods were added:
Promise.all(),
Promise.allSettled(),
Promise.any(),
Promise.race().
Improvement: removed recursion from code generator.
Bugfix: fixed rest parameter parsing without binding identifier.
Bugfix:
fixed resolve/reject callback for
Promise.prototype.finally() .
Bugfix:
fixed %TypedArray%.prototype.join()
with detached buffer.
Bugfix: fixed memory leak in interactive shell.
Release Date: 29 June 2021
Bugfix:
fixed RegExpBuiltinExec() with UTF-8 only regexps.
The bug was introduced in 0.4.2.
Bugfix: fixed parsing of export default declaration with non-assignment expressions. Thanks to Artem S. Povalyukhin.
Release Date: 15 June 2021
Core:
Feature:
added
let and
const declaration support.
Feature:
added RegExp.prototype[Symbol.split].
Feature: added sticky flag support for RegExp.
Bugfix:
fixed heap-buffer-overflow in
String.prototype.lastIndexOf().
Bugfix:
fixed
RegExp.prototype.test()
according to the specification.
Bugfix:
fixed
String.prototype.split()
according to the specification.
Bugfix: fixed use-of-uninitialized-value while tracking rejected promises.
Bugfix:
fixed njs.dump() for objects with circular references.
Release Date: 30 March 2021
nginx modules:
Release Date: 09 March 2021
nginx modules:
Feature:
added the
js_body_filter
directive.
Feature:
introduced the
s.status
property for
Stream Session
object.
Core:
Feature:
added
njs.on
(exit) callback support.
Bugfix: fixed property descriptor reuse for not extensible objects. Thanks to Artem S. Povalyukhin.
Bugfix:
fixed Object.freeze() and friends
according to the specification.
Thanks to Artem S. Povalyukhin.
Bugfix:
fixed Function() in CLI mode.
Bugfix:
fixed for-in iteration of typed array values.
Thanks to Artem S. Povalyukhin.
Release Date: 16 February 2021
nginx modules:
Feature:
introduced
ngx.fetch()
method implementing Fetch API.
The following properties and methods of
Response
object are implemented:
arrayBuffer(),
bodyUsed,
json(),
headers,
ok,
redirect,
status,
statusText,
text(),
type,
url.
Notable limitations:
only the http:// scheme is supported,
redirects are not handled.
In collaboration with 洪志道 (Hong Zhi Dao).
Feature:
added the
js_header_filter
directive.
Bugfix: fixed processing buffered data in body filter in stream module.
Core:
Bugfix:
fixed safe mode bypass in Function constructor.
Bugfix:
fixed Date.prototype.toISOString() with invalid date values.
Release Date: 01 December 2020
nginx modules:
Feature:
introduced global
ngx object.
The following methods were added:
The following properties were added:
ngx.INFO,
ngx.WARN,
ngx.ERR.
Feature:
added support for
Buffer object where string is expected.
Feature: added Buffer version of existing properties.
The following properties were added:
r.requestBuffer
(r.requestBody),
r.responseBuffer
(r.responseBody),
r.rawVariables
(r.variables),
s.rawVariables
(s.variables).
The following events were added in the stream module:
upstream
(upload),
downstream
(download).
Improvement: added aliases to existing properties.
The following properties were added:
Improvement:
throwing an exception in
r.internalRedirect()
for a subrequest.
Bugfix:
fixed promise
r.subrequest()
with
error_page
redirect.
Bugfix:
fixed
promise events handling.
Core:
Feature:
added
TypeScript definitions for built-in modules.
Thanks to Jakub Jirutka.
Feature:
tracking unhandled promise rejection.
Feature: added initial iterator support. Thanks to Artem S. Povalyukhin.
Improvement:
TypeScript definitions are refactored.
Thanks to Jakub Jirutka.
Improvement:
added forgotten support for
Object.prototype.valueOf()
in
Buffer.from().
Bugfix:
fixed heap-use-after-free in
JSON.parse().
Bugfix:
fixed heap-use-after-free in
JSON.stringify().
Bugfix:
fixed
JSON.stringify() for arrays resizable via getters.
Bugfix:
fixed heap-buffer-overflow for
RegExp.prototype[Symbol.replace].
Bugfix:
fixed returned value for
Buffer.prototype.write*
functions.
Bugfix:
fixed
querystring.stringify().
Thanks to Artem S. Povalyukhin.
Bugfix:
fixed the catch handler for
Promise.prototype.finally().
Bugfix:
fixed
querystring.parse().
Release Date: 29 September 2020
nginx modules:
Bugfix: fixed location merge.
Bugfix:
fixed
r.httpVersion
for HTTP/2.
Core:
Feature: added support for numeric separators (ES12).
Feature:
added remaining methods for
%TypedArray%.prototype.
The following methods were added:
every(),
filter(),
find(),
findIndex(),
forEach(),
includes(),
indexOf(),
lastIndexOf(),
map(),
reduce(),
reduceRight(),
reverse(),
some().
Feature:
added %TypedArray% remaining methods.
The following methods were added:
from(),
of().
Feature:
added DataView object.
Feature:
added Buffer object implementation.
Feature:
added support for ArrayBuffer in
TextDecoder.prototype.decode()
Feature:
added support for Buffer object in
crypto
methods.
Feature:
added support for Buffer object in
fs
methods.
Change:
Hash.prototype.digest()
and
Hmac.prototype.digest()
now return a Buffer instance instead of a byte string when
encoding is not provided.
Change:
fs.readFile()
and friends now return a Buffer instance
instead of a byte string when encoding is not provided.
Bugfix:
fixed function prototype property handler while setting.
Bugfix:
fixed function constructor property handler while setting.
Bugfix:
fixed String.prototype.indexOf()
for byte strings.
Bugfix:
fixed RegExpBuiltinExec()
with a global flag and byte strings.
Bugfix:
fixed RegExp.prototype[Symbol.replace]
the when replacement value is a function.
Bugfix:
fixed
TextDecoder.prototype.decode()
with non-zero TypedArray offset.
Release Date: 11 August 2020
Core:
Feature:
added
Query String
module.
Feature:
improved
fs.mkdir()
to support recursive directory creation.
Thanks to Artem S. Povalyukhin.
Feature:
improved
fs.rmdir()
to support recursive directory removal.
Thanks to Artem S. Povalyukhin.
Feature: introduced UTF-8 decoder according to WHATWG encoding spec.
Feature:
added
TextDecoder()
and
TextEncoder()
implementation.
Bugfix: fixed parsing return statement without semicolon.
Bugfix:
fixed njs_number_to_int32() for big-endian platforms.
Bugfix: fixed unit test on big-endian platforms.
Bugfix:
fixed regexp-literals parsing with “=” characters.
Bugfix: fixed pre/post increment/decrement in assignment operations.
Release Date: 07 July 2020
Core:
Feature:
added RegExp.prototype[Symbol.replace].
Feature: introduced line level backtrace.
Feature:
added %TypedArray%.prototype.sort().
Feature:
extended
fs module.
Added
mkdir(),
readdir(),
rmdir(),
and friends.
Improvement: parser refactoring.
Bugfix: fixed TypedScript API description for HTTP headers.
Bugfix:
fixed TypedScript API description for NjsByteString type.
Bugfix:
fixed
String.prototype.repeat()
according to the specification.
Bugfix:
fixed
String.prototype.replace()
according to the specification.
Bugfix: fixed parsing of flags for regexp literals.
Bugfix: fixed index generation for global objects in generator.
Bugfix:
fixed %TypedArray%.prototype.copyWithin()
with nonzero byte offset.
Bugfix:
fixed Array.prototype.splice()
for sparse arrays.
Bugfix:
fixed Array.prototype.reverse()
for sparse arrays.
Bugfix:
fixed Array.prototype.sort()
for sparse arrays.
Release Date: 19 May 2020
nginx modules:
Feature:
added support for multi-value headers in
r.headersIn{}.
Feature:
introduced raw headers API:
r.rawHeadersIn[]
and
r.rawHeadersOut[].
Feature: added TypeScript API description.
Core:
Bugfix:
fixed Array.prototype.slice() for sparse arrays.
Release Date: 23 April 2020
nginx modules:
Feature:
added support for multi-value headers in
r.headersOut{}.
Improvement:
improved iteration over
r.headersOut{}
with special headers.
Improvement:
improved iteration over
r.headersOut{}
with duplicates.
Change:
r.responseBody
property handler now returns
undefined
instead of throwing an exception if the response body is not available.
Core:
Feature: added script arguments support in CLI.
Feature: converting externals values to native js objects.
Bugfix:
fixed NULL-pointer dereference
in __proto__ property handler.
Bugfix: fixed handling of no-newline at the end of the script.
Bugfix:
fixed RegExp() constructor
with empty pattern and non-empty flags.
Bugfix:
fixed
String.prototype.replace()
when function returns non-string.
Bugfix:
fixed reading of pseudofiles in
fs.
Release Date: 03 March 2020
nginx modules:
Feature:
added detached mode for
r.subrequest().
Responses to detached subrequests are ignored.
Unlike ordinary subrequests,
a detached subrequest can be created inside a variable handler.
Core:
Feature:
added promises API for
fs module.
Thanks to Artem S. Povalyukhin.
Feature:
extended fs
module.
Added
access(),
symlink(),
unlink(),
realpath(),
and friends.
Thanks to Artem S. Povalyukhin.
Improvement: introduced memory-efficient ordinary arrays.
Improvement: lexer refactoring.
Bugfix: fixed matching of native functions in backtraces.
Bugfix:
fixed callback invocations in
fs module.
Thanks to Artem S. Povalyukhin.
Bugfix:
fixed Object.getOwnPropertySymbols().
Bugfix:
fixed heap-buffer-overflow in
njs_json_append_string().
Bugfix:
fixed
encodeURI()
and
decodeURI()
according to the specification.
Bugfix:
fixed Number.prototype.toPrecision().
Bugfix:
fixed handling of space argument in
JSON.stringify().
Bugfix:
fixed
JSON.stringify()
with
Number() and
String()
objects.
Bugfix:
fixed Unicode Escaping in
JSON.stringify()
according to specification.
Bugfix: fixed non-native module importing. Thanks to 洪志道 (Hong Zhi Dao).
Bugfix:
fixed
njs.dump() with the
Date()
instance in a container.
Release Date: 21 January 2020
nginx modules:
Feature:
added Promise support for
r.subrequest().
If a callback is not provided,
r.subrequest()
returns an ordinary
Promise object
that resolves to a subrequest response object.
Change:
r.parent
property handler now returns
undefined
instead of throwing an exception if a parent object is not available.
Core:
Feature:
added Promise support.
Implemented according to the specification without:
Promise.all(),
Promise.allSettled(),
Promise.race().
Feature: added initial Typed-arrays support. Thanks to Tiago Natel de Moura.
Feature:
added ArrayBuffer support.
Thanks to Tiago Natel de Moura.
Feature:
added initial Symbol support.
Thanks to Artem S. Povalyukhin.
Feature:
added externals support for
JSON.stringify().
Feature:
added Object.is().
Thanks to Artem S. Povalyukhin.
Feature:
added Object.setPrototypeOf().
Thanks to Artem S. Povalyukhin.
Feature: introduced nullish coalescing operator.
Bugfix:
fixed
Object.getPrototypeOf()
according to the specification.
Bugfix:
fixed
Object.prototype.valueOf()
according to the specification.
Bugfix:
fixed
JSON.stringify()
with unprintable values and replacer function.
Bugfix:
fixed operator in
according to the specification.
Bugfix:
fixed
Object.defineProperties()
according to the specification.
Bugfix:
fixed
Object.create()
according to the specification.
Thanks to Artem S. Povalyukhin.
Bugfix:
fixed
Number.prototype.toString(radix)
when fast-math is enabled.
Bugfix:
fixed RegExp() instance properties.
Bugfix: fixed import segfault. Thanks to 洪志道 (Hong Zhi Dao).
Release Date: 19 November 2019
nginx modules:
Improvement: refactored iteration over external objects.
Core:
Feature:
added Object.assign().
Feature:
added Array.prototype.copyWithin().
Feature:
added support for labels in console.time().
Change:
removed console.help() from CLI.
Improvement: moved constructors and top-level objects to global object.
Improvement: arguments validation for configure script.
Improvement: refactored JSON methods.
Bugfix:
fixed heap-buffer-overflow in
njs_array_reverse_iterator() function.
The following functions were affected:
Array.prototype.lastIndexOf(),
Array.prototype.reduceRight().
Bugfix:
fixed
[[Prototype]] slot of NativeErrors.
Bugfix:
fixed
NativeError.prototype.message properties.
Bugfix:
added conversion of
this value to object in
Array.prototype functions.
Bugfix:
fixed iterator for
Array.prototype.find() and
Array.prototype.findIndex()
functions.
Bugfix:
fixed
Array.prototype.includes() and
Array.prototype.join() with
undefined argument.
Bugfix:
fixed constructor property of
Hash and
Hmac
objects.
Bugfix:
fixed __proto__ property of getters and setters.
Bugfix:
fixed Date object string formatting.
Bugfix:
fixed handling of
NaN and -0 arguments in
Math.min() and
Math.max().
Bugfix:
fixed Math.round()
according to the specification.
Bugfix:
reimplemented bound functions
according to the specification.
Release Date: 22 October 2019
nginx modules:
Improvement:
getting special headers from
r.headersIn{}.
Core:
Feature:
added new Function() support.
Feature:
added Number.prototype.toFixed().
Feature:
added Number.prototype.toPrecision().
Feature:
added Number.prototype.toExponential().
Improvement:
making prototype property of function instances writable.
Improvement: limiting recursion depth while compiling.
Improvement: moving global functions to the global object.
Bugfix: fixed prototype mutation for object literals.
Bugfix: fixed heap-buffer-overflow while parsing regexp literals.
Bugfix: fixed integer-overflow while parsing exponent of number literals.
Bugfix:
fixed parseFloat().
Bugfix:
fixed Array.prototype functions
according to the specification.
The following functions were fixed:
every,
includes,
indexOf,
filter,
find,
findIndex,
forEach,
lastIndexOf,
map,
pop,
push,
reduce,
reduceRight,
shift,
some,
unshift.
Bugfix:
fixed handing of accessor descriptors in Object.freeze().
Bugfix:
fixed
String.prototype.replace()
when first argument is not a string.
Bugfix:
fixed stack-use-after-scope in Array.prototype.map().
Bugfix:
Date.prototype.toUTCString()
format was aligned to ES9.
Bugfix:
fixed buffer overflow in
Number.prototype.toString(radix).
Bugfix:
fixed
Regexp.prototype.test()
for regexps with backreferences.
Bugfix:
fixed
Array.prototype.map()
for objects with nonexistent values.
Bugfix:
fixed
Array.prototype.pop() and
shift() for sparse objects.
Bugfix:
fixed
Date.UTC()
according to the specification.
Bugfix:
fixed
Date() constructor
according to the specification.
Bugfix:
fixed type of
Date.prototype.
Thanks to Artem S. Povalyukhin.
Bugfix:
fixed
Date.prototype.setTime().
Thanks to Artem S. Povalyukhin.
Bugfix: fixed default number of arguments expected by built-in functions.
Bugfix:
fixed
caller and
arguments
properties of a function instance.
Thanks to Artem S. Povalyukhin.
Release Date: 15 August 2019
Core:
Bugfix:
fixed module importing using require().
The bug was introduced in 0.3.4.
Bugfix:
fixed
[[SetPrototypeOf]].
Release Date: 13 August 2019
Core:
Feature:
added
Object
shorthand methods and computed property names.
Thanks to 洪志道 (Hong Zhi Dao) and Artem S. Povalyukhin.
Feature: added getter/setter literal support. Thanks to 洪志道 (Hong Zhi Dao) and Artem S. Povalyukhin.
Feature:
added
fs.renameSync().
Feature:
added
String.prototype.trimEnd()
and
String.prototype.trimStart().
Improvement: added memory-sanitizer support.
Improvement: Unicode case tables updated to version 12.1.
Improvement: added UTF8 validation for string literals.
Bugfix:
fixed reading files with zero size in
fs.readFileSync().
Bugfix:
extended the list of space separators in
String.prototype.trim().
Bugfix:
fixed using of uninitialized value in
String.prototype.padStart().
Bugfix:
fixed
String.prototype.replace()
for $0 and $& replacement string.
Bugfix:
fixed
String.prototype.replace()
for byte strings with regex argument.
Bugfix:
fixed global match in
String.prototype.replace()
with regexp argument.
Bugfix:
fixed
Array.prototype.slice()
for primitive types.
Bugfix: fixed heap-buffer-overflow while importing module.
Bugfix: fixed UTF-8 character escaping.
Bugfix:
fixed
Object.values()
and
Object.entries()
for shared objects.
Bugfix:
fixed uninitialized memory access in
String.prototype.match().
Bugfix:
fixed
String.prototype.match()
for byte strings with regex argument.
Bugfix:
fixed
Array.prototype.lastIndexOf()
with undefined arguments.
Bugfix:
fixed
String.prototype.substring()
with empty substring.
Bugfix:
fixed invalid memory access in
String.prototype.substring().
Bugfix:
fixed
String.fromCharCode()
for code points more than 65535 and NaN.
Bugfix:
fixed
String.prototype.toLowerCase()
and
String.prototype.toUpperCase().
Bugfix:
fixed
Error()
constructor with no arguments.
Bugfix:
fixed
in
operator for values with accessor descriptors.
Bugfix:
fixed
Object.defineProperty()
for non-boolean descriptor props.
Bugfix:
fixed
Error.prototype.toString()
with UTF8 string properties.
Bugfix:
fixed
Error.prototype.toString()
with non-string values for name and message.
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: 03 April 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 November 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 October 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 August 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 August 2017
Feature: Interactive shell.
Bugfix:
in Object.isSealed().
Release Date: 27 June 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 April 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 February 2017
Bugfix: global variables were not initialized when njs was used in nginx.
Release Date: 24 January 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 December 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 December 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.