変更

Changes with njs 0.7.6

Release Date: 19 July 2022

nginx モジュール:

• 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.

コア:

• Feature: added Symbol.for() and Symbol.keyfor().

• Feature: added atob() and btoa() from WHATWG spec.

• 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.

Changes with njs 0.7.5

Release Date: 21 June 2022

nginx モジュール:

• 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.

コア:

• 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.

Changes with njs 0.7.4

Release Date: 24 May 2022

nginx モジュール:

• Feature: added extended directives for configuring Fetch API. The following directives were added for http and stream:

  • js_fetch_timeout,

  • js_fetch_verify,

  • js_fetch_buffer_size,

  • js_fetch_max_response_buffer_size.

• Change: r.internalRedirect() now accepts escaped URIs.

• Bugfix: fixed Response parsing with more than 8 headers in Fetch API.

コア:

• 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().

Changes with njs 0.7.3

Release Date: 12 April 2022

コア:

• 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.

Changes with njs 0.7.2

Release Date: 25 January 2022

コア:

• 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.

Changes with njs 0.7.1

Release Date: 28 December 2021

nginx モジュール:

• 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.

コア:

• 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().

Changes with njs 0.7.0

Release Date: 19 October 2021

nginx モジュール:

• Feature: Added HTTPS support for Fetch API.

• Feature: Added setReturnValue() method for http and stream.

コア:

• 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.

Changes with njs 0.6.2

Release Date: 31 August 2021

nginx モジュール:

• Bugfix: fixed CPU hog when js_filter is registered in both directions.

コア:

• 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.

Changes with njs 0.6.1

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. Artem S. Povalyukhin に感謝します。

Changes with njs 0.6.0

Release Date: 15 June 2021

コア:

• 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.

Changes with njs 0.5.3

Release Date: 30 March 2021

nginx モジュール:

• Feature: added the js_var directive for http and stream.

Changes with njs 0.5.2

Release Date: 09 March 2021

nginx モジュール:

• Feature: added the js_body_filter directive.

• Feature: introduced the s.status property for Stream Session object.

コア:

• Feature: added njs.on (exit) callback support.

• Bugfix: fixed property descriptor reuse for not extensible objects. Artem S. Povalyukhin に感謝します。

• Bugfix: fixed Object.freeze() and friends according to the specification. Artem S. Povalyukhin に感謝します。

• Bugfix: fixed Function() in CLI mode.

• Bugfix: fixed for-in iteration of typed array values. Artem S. Povalyukhin に感謝します。

Changes with njs 0.5.1

Release Date: 16 February 2021

nginx モジュール:

• 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.

コア:

• Bugfix: fixed safe mode bypass in Function constructor.

• Bugfix: fixed Date.prototype.toISOString() with invalid date values.

Changes with njs 0.5.0

Release Date: 01 December 2020

nginx モジュール:

• Feature: introduced global ngx object.

  The following methods were added:

  • ngx.log(level, message)

  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:

  • r.requestText (r.requestBody), r.responseText (r.responseBody).

• Improvement: throwing an exception in r.internalRedirect() for a subrequest.

• Bugfix: fixed promise r.subrequest() with error_page redirect.

• Bugfix: fixed promise events handling.

コア:

• Feature: added TypeScript definitions for built-in modules. Thanks to Jakub Jirutka.

• Feature: tracking unhandled promise rejection.

• Feature: added initial iterator support. Artem S. Povalyukhin に感謝します。

• 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(). Artem S. Povalyukhin に感謝します。

• Bugfix: fixed the catch handler for Promise.prototype.finally().

• Bugfix: fixed querystring.parse().

Changes with njs 0.4.4

Release Date: 29 September 2020

nginx モジュール:

• Bugfix: fixed location merge.

• Bugfix: fixed r.httpVersion for HTTP/2.

コア:

• 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.

njs 0.4.3 での変更

リリース日: 11 August 2020

コア:

• 機能: Query String モジュールが追加されました。

• 機能: 再帰的なディレクトリの作成をサポートするように fs.mkdir() を改善しました。Artem S. Povalyukhin に感謝します。

• 機能: 再帰的なディレクトリの削除をサポートするように fs.rmdir() を改善しました。Artem S. Povalyukhin に感謝します。

• 機能: WHATWG エンコード仕様に従ってUTF-8デコーダーを導入しました。

• 機能: TextDecoder()とTextEncoder()実装を追加しました。

• バグ修正: セミコロン無しのreturn文のパースを修正しました。

• バグ修正: ビッグエンディアンプラットフォームのnjs_number_to_int32()を修正しました。

• バグ修正: ビッグエンディアンプラットフォームのunitテストを修正しました。

• バグ修正: “=”文字を使ったregexp-literalパースを修正しました。

• バグ修正: 割り当て操作でのpre/postのインクリメント/デクリメントを修正しました。

njs 0.4.2 での変更

リリース日: 07 July 2020

コア:

• Feature: RegExp.prototype[Symbol.replace]を追加しました。

• 機能: 行レベルのバックトレースを導入しました。

• 機能: %TypedArray%.prototype.sort()を追加しました。

• 機能: 拡張fsモジュール。mkdir()、readdir()、rmdir()、その仲間を追加しました。

• 改善: 解析のリファクタリング。

• バグ修正: HTTPヘッダのTypedScript APIの説明を修正しました。

• バグ修正: NjsByteString型のTypedScript APIの説明を修正しました。

• バグ修正: 仕様に従ってString.prototype.repeat()を修正しました。

• バグ修正: 仕様に従ってString.prototype.replace()を修正しました。

• バグ修正: regexp literalのflagのパースを修正しました。

• バグ修正: ジェネレータのグルーバルオブジェクトのインデックス生成を修正しました。

• バグ修正: 非0バイトオフセットの%TypedArray%.prototype.copyWithin()を修正しました。

• バグ修正: sparse配列のArray.prototype.splice()を修正しました。

• バグ修正: sparse配列のArray.prototype.reverse()を修正しました。

• バグ修正: sparse配列のArray.prototype.sort()を修正しました。

Changes with njs 0.4.1

Release Date: 19 May 2020

nginx モジュール:

• 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.

コア:

• Bugfix: fixed Array.prototype.slice() for sparse arrays.

Changes with njs 0.4.0

Release Date: 23 April 2020

nginx モジュール:

• Feature: added support for multi-value headers in r.headersOut{}.

• Feature: added js_import directive for http and stream.

• 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.

コア:

• 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.

Changes with njs 0.3.9

Release Date: 03 March 2020

nginx モジュール:

• Feature: added detached mode for r.subrequest(). 分離されたサブリクエストへの応答は無視されます。通常のサブリクエストとは異なり、分離されたサブリクエストは変数ハンドラの中で作成できます。

コア:

• Feature: added promises API for fs module. Artem S. Povalyukhin に感謝します。

• 機能: 拡張fsモジュール。Added access(), symlink(), unlink(), realpath(), and friends. Artem S. Povalyukhin に感謝します。

• Improvement: introduced memory-efficient ordinary arrays.

• Improvement: lexer refactoring.

• Bugfix: fixed matching of native functions in backtraces.

• Bugfix: fixed callback invocations in fs module. Artem S. Povalyukhin に感謝します。

• 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.

Changes with njs 0.3.8

Release Date: 21 January 2020

nginx モジュール:

• 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.

コア:

• 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. Artem S. Povalyukhin に感謝します。

• Feature: added externals support for JSON.stringify().

• Feature: added Object.is(). Artem S. Povalyukhin に感謝します。

• Feature: added Object.setPrototypeOf(). Artem S. Povalyukhin に感謝します。

• 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. Artem S. Povalyukhin に感謝します。

• 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).

Changes with njs 0.3.7

Release Date: 19 November 2019

nginx モジュール:

• Improvement: refactored iteration over external objects.

コア:

• 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.

Changes with njs 0.3.6

Release Date: 22 October 2019

nginx モジュール:

• Improvement: getting special headers from r.headersIn{}.

コア:

• 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. Artem S. Povalyukhin に感謝します。

• Bugfix: fixed Date.prototype.setTime(). Artem S. Povalyukhin に感謝します。

• Bugfix: fixed default number of arguments expected by built-in functions.

• Bugfix: fixed caller and arguments properties of a function instance. Artem S. Povalyukhin に感謝します。

Changes with njs 0.3.5

Release Date: 15 August 2019

コア:

• Bugfix: fixed module importing using require(). The bug was introduced in 0.3.4.

• Bugfix: fixed [[SetPrototypeOf]].

Changes with njs 0.3.4

Release Date: 13 August 2019

コア:

• 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.

Changes with njs 0.3.3

Release Date: 25 June 2019

nginx モジュール:

• 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.

コア:

• 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'). Artem S. Povalyukhin に感謝します。

Changes with njs 0.3.2

Release Date: 21 May 2019

コア:

• 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.

Changes with njs 0.3.1

Release Date: 16 April 2019

コア:

• Feature: added arrow functions support. Thanks to 洪志道 (Hong Zhi Dao) and Artem S. Povalyukhin.

• Feature: added Object.getOwnPropertyNames(). Artem S. Povalyukhin に感謝します。

• Feature: added Object.getOwnPropertyDescriptors(). Artem S. Povalyukhin に感謝します。

• 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().

Changes with njs 0.3.0

Release Date: 26 March 2019

nginx モジュール:

• Feature: added the js_path directive for http and stream.

• 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.

コア:

• 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.

Changes with njs 0.2.8

Release Date: 26 February 2019

nginx モジュール:

• 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{}.

コア:

• 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(). Artem S. Povalyukhin に感謝します。

• 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.

Changes with njs 0.2.7

Release Date: 25 December 2018

コア:

• 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.

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.2.6

Release Date: 27 November 2018

コア:

• 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.

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.2.5

Release Date: 30 October 2018

nginx モジュール:

• 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.

コア:

• 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

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.2.4

Release Date: 18 September 2018

nginx モジュール:

• 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).

コア:

• 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.

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.2.3

Release Date: 31 July 2018

nginx モジュール:

• 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.

コア:

• 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.

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.2.2

リリース日: 19 June 2018

nginx モジュール:

• Change: merged HTTP Response and Reply into HTTP Request. Requestの新しいメンバー:

  • 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())

  Requestの非推奨のメンバー:

  • req.body (req.requestBody あるいは req.responseBodyを使ってください)

  • req.headers (req.headersIn あるいは req.headersOutを使ってください)

  • 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.

• 機能: HTTP internalRedirect() メソッド。

コア:

• バグ修正: crypto.createHmac()内のheap-buffer-overflowが修正されました。

Changes with njs 0.2.1

リリース日: 31 May 2018

nginx モジュール:

• 機能: HTTP リクエスト ボディのgetter。

• 改善: njs vm をmain 設定に移動しました。

• 改善: js_set と js_content ディレクティブのためのログが改善されました。

• 改善: js_content ハンドラ内でのデフォルトのステータスコードを500に設定

• 改善: js_content ハンドラ内での返されるステータスコードのためのデバッグが追加されました

• バグ修正: js_include内でのエラーログが修正されました。

コア:

• 機能: 配列の長さのsetterが追加されました。

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

• バグ修正: digest() が呼ばれた後の crypto update() メソッドが修正されました。

• バグ修正: size <= alg size かつ > 64 のキーについての crypto.createHmac()が修正されました。

• バグ修正: 空のセルを持つ配列についてのJSON.stringify()が修正されました。

• バグ修正: JSON.stringify()内でのサポートされない型のための例外の型が修正されました。

• バグ修正: 関数の未定義の引数の扱いが修正されました。

• バグ修正: Object.getOwnPropertyDescriptor()の失われたargの扱いが修正されました。

• バグ修正: Object.getOwnPropertyDescriptor()内でのプロパティの扱いが修正されました。

• バグ修正: Array.length プロパティの書き込み可能なフラグが修正されました。

• バグ修正: clearTimeout()の返り値の型が修正されました。

• バグ修正: njs_vm_external_bind()が修正されました。

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.2.0

Release Date: 03 April 2018

• 機能: CLIによるnjsバージョンのレポート。

• 機能: 型の変換の蓮外についての文字での説明。

• 機能: setTimeout() と clearTimeout() メソッド。

• 機能: バイト文字列からhex, base64, base64url エンコーディング。

• 機能: Node.js style Crypto メソッド

• 機能: HTTP と ストリーム warn() と error()メソッド。

• 機能: HTTP subrequest() メソッド。

• 機能: HTTP return() メソッド。

• バグ修正: コアとインタラクティブ シェル内の様々なバグが修正されました。

Changes with njs 0.1.15

Release Date: 20 November 2017

• 機能: Error, EvalError, InternalError, RangeError, ReferenceError, SyntaxError, TypeError, URIError オブジェクト。

• 機能: 8進数文字のサポート。

• 機能: Node.js style File system アクセスメソッド: fs.readFile(), fs.readFileSync(), fs.appendFile(), fs.appendFileSync(), fs.writeFile(), fs.writeFileSync().

• 機能: nginx モジュールの例外時のバックトレースの出力。

• バグ修正: 様々なバグが修正されました。

Changes with njs 0.1.14

Release Date: 09 October 2017

• 機能: JSON オブジェクト。

• 機能: インタラクティブ シェルでのオブジェクト レベルの完全さ。

• 機能: 様々な構成の改善。

• バグ修正: コアとインタラクティブ シェル内の様々なバグが修正されました。

Changes with njs 0.1.13

Release Date: 31 August 2017

• 機能: インタラクティブ シェルでのconsole.log() と console.help()メソッド。

• 機能: インタラクティブ シェルの例外時のバックトレースの出力。

• 機能: libedit が利用可能な場合は、デフォルトでインタラクティブ シェル。

• バグ修正: コマンドライン モードでのstdinからの大きなファイルの処理。

• バグ修正: editlineの検知の改善。

Changes with njs 0.1.12

Release Date: 08 August 2017

• 機能: Interactive shell.

• バグ修正: Object.isSealed()。

Changes with njs 0.1.11

Release Date: 27 June 2017

• 機能: Object.keys(), Object.prototype.hasOwnProperty() メソッド。

• 機能: Object.defineProperty(), Object.defineProperties(), Object.getOwnPropertyDescriptor() メソッド。

• 機能: Object.getPrototypeOf(), Object.prototype.isPrototypeOf() メソッド。

• 機能: Object.preventExtensions(), Object.isExtensible(), Object.freeze(), Object.isFrozen(), Object.seal(), Object.isSealed() メソッド。

• 機能: 科学的な記法(3.35e10) の文字をサポート。

• 機能: 16進数(0x1123) 文字をサポート。

• バグ修正: 大きな配列インデックスの処理。

• バグ修正: parseInt() と Date.parse()。

Changes with njs 0.1.10

Release Date: 04 April 2017

• 機能: 入れ子の関数と関数のclosure。

• 機能: Array.of(), Array.prototype.fill(), Array.prototype.find(), Array.prototype.findIndex() メソッド。

• バグ修正: 様々なバグとセグメンテーション フォールトが修正されました。

Changes with njs 0.1.9

Release Date: 01 February 2017

• バグ修正: njsがnginx内で使われた場合にグローバル変数が初期化されなかった。

Changes with njs 0.1.8

Release Date: 24 January 2017

• 変更: strictモードが強制され、変数は明示的に宣言されなければなりません。

• 機能: for と for-in ループが変数の宣言をサポート。

• バグ修正: グローバルおよび関数スコープが修正されました。

• バグ修正: 今では for-in ループはプロパティ変数の最後の値を破棄しません。

• バグ修正: 様々なバグとセグメンテーション フォールトが修正されました。

Changes with njs 0.1.7

Release Date: 27 December 2016

• 変更: js_include ディレクティブがserverおよびlocationレベルで無効にされました。

• 機能: 指数オペレータ。

• バグ修正: 様々なバグとセグメンテーション フォールトが修正されました。

Changes with njs 0.1.6

Release Date: 13 December 2016

• 変更: js_set ディレクティブがserverおよびlocationレベルで無効にされました。

• 機能: ES6 Math メソッド。

• バグ修正: 様々なバグとセグメンテーション フォールトが修正されました。