es6-shim 0.35.5 (7 March 2019)

[Fix] es6-sham: Function.prototype.name: don’t poison the getter when the receiver is Function.prototype (#454)
[Dev Deps] update eslint, @ljharb/eslint-config
[Dev Deps] remove jscs and jshint

es6-shim 0.35.4 (29 October 2018)

[Fix] protect against evil build processes by ensuring these feature tests don‘t look like no-ops that are safe to remove
[Fix] broken hasULPDistance → working withinULPDistance helper
[Fix] acosh: fix precision (#338)
[Fix] Math.{asinh,atanh,cosh,sinh} precision (from #338)
[Fix] Google Translate adds a broken Set to the global scope (#438)
[Fix] Distinguish Set and Map iterators (#387)
[Docs] Tweaking documentation specifying inclusion order (#435)

es6-shim 0.35.3 (23 January 2017)

[Fix] avoid needlessly shimming Array#{find, findIndex} (#433)
[Dev Deps] update eslint, @ljharb/eslint-config, grunt-saucelabs
[Tests] up to node v7.4, v4.7; improve test matrix

es6-shim 0.35.2 (3 December 2016)

[Fix] ensure document.all is not treated as a non-object-coercible (#428)
[Performance] Use original map for data backing when possible (#429, #422)
[Dev Deps] update es5-shim, eslint, @ljharb/eslint-config, jscs, jshint, mocha, promises-plus-tests, uglify-js
[Tests] up to node v7.2, v5.12, v4.6; improve test matrix
[Tests] avoid function name inference in node 7+
[Tests] add Firefox Nightly error messages to fix false failure

es6-shim 0.35.1 (12 May 2016)

[Fix] Functions are objects (#418)
[Fix] use createDataPropertyOrThrow in Array.from, rather than [[Put]] (#415)
[Refactor] Use iteratorResult internally for iterator result objects
[Refactor] Simplify logic for Math.tanh (#412)
[Robustness] cache Math constants
[Robustness] cache Math.exp
[Robustness] don’t rely on a Math lookup inside Math.asinh
[Robustness] use cached Number.isNaN
[Robustness] cache Math.sign
[Dev Deps] update es5-shim, eslint, @ljharb/eslint-config, jscs, uglify-js, grunt-contrib-connect, grunt-contrib-watch, evalmd, jshint
[Tests] up to node v6.1, v5.10, v4.4
[Tests] npm run --silent, use “pretest” for linting
[Tests] RegExp#toString: Chrome Canary 51 produces /undefined/
[Docs] update ES6 draft comment URLs to point to the published spec

es6-shim 0.35.0 (29 Feb 2016)

[Breaking] remove Reflect.enumerate (#405)
[New] Add Array#indexOf from post-ES6 errata
[New] Ensure RegExp#toString is compliant
[New] [sham] Add Function#toString to es6-sham
[Fix] ensure that a non-object globals.Reflect doesn’t break the shim (#392)
[Fix] In ES3 browsers (like Safari 4) Reflect.getPrototypeOf is undefined
[Fix] Object.keys: handle regexes in ES3 browsers (#287)
[Performance] Early exit from tanh for values outside of +-20 at limits of JS precision (#411)
[Tests] Function#name on new Functions is empty string in v8
[Tests] Function#name is non-configurable pre-ES6
[Tests] up to node v5.7, v4.3
[Docs] correct readme; we sham Function#name, not toString

es6-shim 0.34.4 (9 Feb 2016)

[Fix] ‘Uncaught (in promise) TypeError’ in Chrome 48 (#408, #407)
[Fix] handle the obscure case where startsWith throws on the second parameter (#399)
[Tests] silence a promise rejection error in Chrome

es6-shim 0.34.3 (8 Feb 2016)

[Fix] Suppress “uncaught rejection” warnings in Chrome 50 console (#403)
[Fix] ensure ES3 Number constants don’t get lost in ES3 browsers (#402)
[Dev Deps] update chai, es5-shim, jscs, mocha
[Tests] up to node v5.5

es6-shim 0.34.2 (22 Jan 2016)

[Fix] JSON.stringify should ignore a replacer arg unless it’s an array or function.
[Fix] Array#copyWithin: check for inherited properties as well
[Fix] Array#copyWithin: should delete the target key if the source key is not present
[Performance] Optimize Map/Set fast key path (#397)
[Tests] fix Reflect.enumerate tests to not call next too many times
[Dev Deps] update jscs, jshint
[Docs] update license year to 2016 (#400)

es6-shim 0.34.1 (5 Jan 2016)

[Fix] RegExp#[Symbol.search] was broken with a regex argument (#394)
[Fix] ensure that Set#clear works with both primitive and object values
[Fix] static Promise methods have the wrong length in Firefox
[Robustness] Cache Object.keys
[Performance] Avoid accessing arguments array without length check
[Performance] Optimize ES.TypeIsObject (#388)
[Performance] Promises: lots of improvements (#383)
[Performance] Only use slow implementation of IsCallable where necessary (old browsers)
[Performance] Promises: remove unnecessary .bind on setImmediate
[Refactor] extract “decode fast Map key” logic
[Dev Deps] update s5-shim, @ljharb/eslint-config
Don’t npmignore tests
[Tests] Fix a bug with “deep equal” wrt NaN
[Tests] split up Map and Set test files
[Tests] up to node v5.3

es6-shim 0.34.0 (14 Dec 2015)

[Breaking] Remove Symbol.species from Promise.all and Promise.race (#34)
[Fix] Firefox has enumerable Promise static methods
[Fix] prevent crashes in older Firefox when checking if Array methods ToLength correctly
[Fix] Reflect.enumerate: ensure correct property ordering in Firefox 19 (and likely others)
[Fix] Ensure that toLengthsCorrectly returns true when it passes, instead of undefined
[Fix] Don’t call Reflect.construct unless it’s actually present
[Fix] Ensure Map and Set do not have an own constructor property (#368)
[Fix] Add missing checks to Promise.resolve and Promise.reject (#379)
[Fix] Map: older v8s have a SameValueZero bug when a Map has a size > 4 (#378)
[Fix] Map: when provided with an iterable that yields non-Object values, should throw
[Fix] Promise: Make sure to shim broken implementations in Chrome 49 Canary
[Fix] Promise: Chrome does not retrieve a thenable’s .then synchronously (#372)
[New] Add RegExp.prototype[Symbol.{match,search,split,replace}]
[New] support Symbol.match in RegExp constructor
[New] add Symbol.match and ensure String#{match, startsWith, endsWith, includes} support it
[New] add Symbol.split and ensure String#split supports it
[New] add Symbol.replace and ensure String#replace supports it
[New] add Symbol.search and ensure String#search supports it
[Robustness] Add and use ES.ToString so as not to rely on the global String
[Dev Deps] update eslint, jscs, mocha, uglify-js, es5-shim, grunt-saucelabs
[Tests] bailing out of some tests when the feature isn’t present, to clean up native test failure output
[Tests] up to node v5.2
[Tests] fix npm run test:native
[Tests] Ensure Promise.{reject,resolve} throws when the receiver is a primitive (#379)
[Tests] Further ensure that Promise.resolve/reject work with a non-promise receiver (#379)
[Docs] update README URLs (#375)
[Docs] fix some typos (#380)

es6-shim 0.33.13 (12 Nov 2015)

[Fix] Number: when no arguments are passed, return +0.
[Fix] Number: Make sure string values are trimmed before attempting to parse.
[Tests] cleaning up Number tests)
[Dev Deps] update uglify-js

es6-shim 0.33.12 (11 Nov 2015)

[Fix] IE 8: more NFE madness.
[Dev Deps] update es5-shim
[Docs] removing now-fixed Number caveat
[Docs] use assertions so evalmd will test the readme better.
[Docs] fix incorrect isFinite note (#373)

es6-shim 0.33.11 (9 Nov 2015)

[Fix] handle future change of RegExp.prototype not being a regex (#370, #371)
[Fix] disallow invalid hex strings in Number (#369)
[Tests] Tweak “polluted prototype” approach
[Dev Deps] update chai, es5-shim, eslint, @ljharb/eslint-config, jscs

es6-shim 0.33.10 (2 Nov 2015)

[Fix] the Number constructor properly trims (or not) whitespace characters (#368)
[Fix] Number('0b12') and Number('0o18') should both be NaN (#366)
[Tests] Fix npm upgrades in older nodes
[Tests] add npm run tests-only
[Tests] on node v5.0
[Tests] ensure JSON.stringify has the right name
[Tests] add npm run eslint
[Dev Deps] update es5-shim, jscs
[Cleanup] Rearrange things so that they’re defined before they’re used
[Cleanup] Don’t reassign to function or catch parameters
[Cleanup] Remove unused variables
[Refactor] String#trim shim should use defineProperty, and check more non-whitespace chars

es6-shim 0.33.9 (29 Oct 2015)

[Fix] IE 8: Number(new Number(1)) was throwing. More NFE madness. (#365)

es6-shim 0.33.8 (23 Oct 2015)

[Fix] IE 8: Promise.resolve(2) was throwing. More named function expression madness.
[Tests] Reflect: Don’t attempt to define properties on this test object unless we’re in true ES5.

es6-shim 0.33.7 (23 Oct 2015)

[Fix] Ensure preserveToString does not throw when the original does not exist (#359)
[Fix] Promise: properly handle named function expressions in IE 8.
[Fix] Number: wrapConstructor now works in ES3 (#365)
[Docs] Document Number supporting string binary and octal literals.
[Tests] add commented-out test for typeof Number.call(Object(3), 3) === 'number', which fails atm.
[Tests] Fix browser tests sans-npm install
[Dev Deps] update es5-shim, jscs, uglify-js, chai

es6-shim 0.33.6 (29 Sep 2015)

[Fix] In IE 6-8, of course, typeof setTimeout is “object”
[Tests] Upgrade jQuery on the test HTML pages

es6-shim 0.33.5 (28 Sep 2015)

[Fix] IE 6-8 have wacky scoping issues with named function expressions.
[Fix] Apparently in IE 8, RegExp#test is an own property of regexes, not a prototype method
[Fix] Make sure to treat es5-sham’s Object.defineProperty as unsupported, in IE 8

es6-shim 0.33.4 (27 Sep 2015)

[Fix] Add test, and fix, for JSON.stringify(Object(Symbol())) throwing on Chrome 45
[Fix] Wrap JSON.stringify when Symbol exists and it fails to serialize them correctly
[Fix] fix Reflect.defineProperty on edge v0.12
[Robustness] Cache Array.isArray internally
[Refactor] Use internal overrideNative helper for String.prototype HTML methods
[Refactor] Update is-arguments implementation; don’t call down legacy code path in modern engines
[Tests] Add evalmd to verify that example code blocks are valid
[Tests] Adding a test for Safari 7.1 and later (runtime check added in 8a8ddd36186cdc1fcb3fcc259ec9ecef1e141901)
[Tests] Add additional JSON.stringify test for Symbol and object Symbol values
[Tests] up to io.js v3.3, node v4.1
[Dev Deps] update es5-shim, mocha, chai

es6-shim 0.33.3 (31 Aug 2015)

[Fix] Handle Firefox Nightly’s broken construct method
[Tests] Add JSON.stringify tests for handling Symbols

es6-shim 0.33.2 (26 Aug 2015)

[Fix] Make sure that minified code preserves function names.
[Fix] Skip the Promise shim when setTimeout is not available (#301)
[Docs] Add note about setPrototypeOf on null objects

es6-shim 0.33.1 (20 Aug 2015)

[New] Add support for binary and octal literals in strings to the Number constructor (#358)
[Docs] Update spec link to final spec
[Fix] Reflect.enumerate: does not necessarily wait until the first next() to determine keys.
[Refactors] split up some tests; name some functions; remove unnecessary code
{Refactors] make ObjectIterator properties non-enumerable
[Refactors] Refactor RegExp wrapping code so most of it can be reused.
[Tests] up to io.js v3.1
[Dev Deps] update grunt-contrib-connect, jscs

es6-shim 0.33.0 (30 Jul 2015)

[Breaking] Avoid CSP errors in Chrome apps by using global var detection (#301)
[Performance] Rearranging some of the Map/Set runtime shim clobberings to be more efficient.
[Refactor] Implement Array.of directly, rather than in terms of Array.from
[Dev Deps] Update chai, es5-shim, promises-aplus-tests, uglify-js
[Tests] Add test for Object.getPrototypeOf accepting primitives.
[Tests] Bail out of individual Reflect tests when the methods don’t exist
[Tests] Test on latest io.js

es6-shim 0.32.3 (21 Jun 2015)

[Fix] Override or wrap native Reflect methods in Microsoft Edge v0.11 as required.
[Fix] Edge v0.11: Array.from([], undefined) should not throw
[Fix] Fix a bug in Array.from handles iterables runtime clobbering, which would always replace the native function
[Fix] Ensure that Set#has has the correct name in Edge v0.11
[Tests] Add Map/Set error messages for Edge v0.11
[Tests] Fix Math.fround test value for Edge v0.11
[Tests] Bail out of Map/Set test blocks if they don’t exist
[Docs] Update ES5 subclassing instructions in the README.
[Dev Deps] Update es5-shim

es6-shim 0.32.2 (17 Jun 2015)

[Fix] Object.assign with no sources should coerce to an object (#348)
[Fix] String#includes should throw when given a RegExp (#349)
[Fix] RegExp() should not throw (#350)
[Fix] Create Value.defineByDescriptor, fix create when Object.create is unavailable.
[Compliance] Update Promise.reject to match official ECMA-262 spec.
[Dev Deps] Update es5-shim

es6-shim 0.32.1 (13 Jun 2015)

[Fix] Make sure that all Map/Set shim forms properly add an iterable to the collection instance.
[Tests] Make sure none of the Array ToLength tests throw any error (#347)

es6-shim 0.32.0 (7 Jun 2015)

[Spec compliance] Update Promises to match finalized ES6 spec (#345, #344, #239)
[Fix] Ensure Map, Set, and Promise shims all throw when used without “new”.
[Tests] Fix the pending exceptions test for Safari 5.1
[Refactor] Since the String HTML shims will be iterated anyways, no need to defineProperties them twice.
[Deps] Update chai, es5-shim

es6-shim 0.31.3 (2 Jun 2015)

[Fix] Properly name more shim functions
[Fix] Fix an IE bug where the layout engine internally calls the userland Object.getOwnPropertyNames
[Fix] Ensure Map.prototype[Symbol.iterator] === Map.prototype.entries
[Fix] Ensure Set.prototype[Symbol.iterator] === Set.prototype.values
[Tests] Object.assign pending exceptions: IE 9 preventExtensions doesn’t throw, even in strict mode
[Security] Cache more native methods in case they’re overwritten later
[Tests] IE 11 has native Map/Set, but it takes an optional function, not an optional iterable, in the constructor
[Tests] Add more “exists” early bailouts, to declutter native test results
[Docs] Alphabetize shim lists in the README
[Perf] Add more Map/Set fast paths for more primitives: boolean, null, undefined
[Tests] Test up to io.js v2.2
[Deps] Update mocha, es5-shim, uglify-js, jshint
[Refactor] Style cleanups

es6-shim 0.31.2 (9 May 2015)

Fix ES5 Array.prototype method wrappers to return the correct value. (#341)

es6-shim 0.31.1 (7 May 2015)

RegExp should work properly as a wrapper (#340)

es6-shim 0.31.0 (1 May 2015)

All Array.prototype methods should use ToLength, not ToUint32, on this.length.
Preserve and use original Array.prototype functions (for later shimming)
Make String#{startsWith, endsWith, includes} tests a bit more granular.
Fix Map/Set invalid receiver error messages for WebKit
Update grunt-saucelabs, jscs

es6-shim 0.30.0 (26 Apr 2015)

Map and Set methods are not generic, and must only be called on valid Map and Set objects.
Use the native Number#clz (in Safari 8, eg) inside Math.clz32

es6-shim 0.29.0 (26 Apr 2015)

Test on io.js v1.7 and v1.8
Ensure that shallowly wrapped Maps’ and Sets’ prototypes aren’t one level too far away.
Update chai and use new matchers
Avoid reassigning argument variables to avoid deoptimizations
Ensure that ES3 browsers get both Object.is and Object.assign
Improve Object.assign to avoid leaking arguments in v8
Ensuring Number.parseInt === parseInt (failed in FF 37)
a little more accurate Math.cbrt (#335)
Test cleanups
Adding Symbol.unscopables tests
Adding tests to ensure that default iterators on builtins === the appropriate prototype function.

es6-shim 0.28.2 (13 Apr 2015)

Map and Set should have an arity of 0.

es6-shim 0.28.1 (12 Apr 2015)

Ensure Object.assign only includes enumerable Symbols.

es6-shim 0.28.0 (12 Apr 2015)

Ensure Object.assign also includes Symbols.
Make sure to clobber Firefox 37’s very slow native Object.assign, that has “pending exception” logic.
Adding much more granular Set/Map acceptance tests and replacements, to preserve as much of the original implementation as possible. (#326, #328)
Lots of test additions and cleanup
Fill in (and fix) missing name, arity, and enumerability tests.
Using property matcher for a more helpful failure message.
Make sure this test doesn’t fail if Array#values doesn’t exist yet.
Make this @@iterator test not depend on Array#values, and properly skip tests if the symbol isn’t available.
Update Math.fround with a much smaller implementation (#332)
Lock uglify-js down to v2.4.17, since v2.4.18 and v2.4.19 have a breaking change.
Update es5-shim, mocha, grunt-contrib-connect, chai, jshint
IE 11 TP has a broken String.raw implementation
Overwriting some imprecise Math functions on IE 11 TP.
Overwrite Math.imul in Safari 8 to report the correct length.
Fix Math.round for very large numbers
Don’t rely on shims in tests, for better native failure checking.
Shim Object.is in ES3 environments, and add tests.
Test the native Object.assign prior to shimming it.
Tweak the travis-ci config to make a separate “lint only” test run.
Fix Firefox 4 test failures: ensure RegExp global aliases starting with “$” exist.
more efficient Math.clz32 (#327)
Fix Webkit nightly bugs with Array.from and Array.of.
Make sure shims that depend on Number.isNaN and Number.isFinite will always work.
The latest Webkit nightly has a bug with String#includes and a position arg of Infinity.
Webkit r181855 has a noncompliant String#startsWith and String#endsWith
Clean up README; add more accurate note about es5-shim.
Updating the String.raw code to be more in line with the changes in RC2/Rev 35 of the spec.

es6-shim 0.27.1 (5 Mar 2015)

Revert Array#slice changes. (#322)
Test on io.js v1.4

es6-shim 0.27.0 (26 Feb 2015)

Overwrite Array#slice so that it supports Array subclasses.
Improve Map/Set TypeError messages when called as a function. (#321)

es6-shim 0.26.1 (25 Feb 2015)

Ensure Array/Array.prototype functions have the correct name.
Chrome 40 defines the incorrect name for Array#values
Make sure that Array.of works when subclassed.

es6-shim 0.26.0 (24 Feb 2015)

Ensure that remaining Object static methods accept primitives.
Update chai
Document String.prototype HTML methods and Reflect methods in README

es6-shim 0.25.3 (22 Feb 2015)

Removing nonexistent arguments from some String.prototype HTML methods
All grade A-supported node/iojs versions now ship with an npm that understands ^.
Test on iojs-v1.3
Update chai
Add a LICENSE file

es6-shim 0.25.2 (18 Feb 2015)

If someone (looking at you, chalk) has previously modified String.prototype with a non-function “bold”, don‘t break. (#315)

es6-shim 0.25.1 (18 Feb 2015)

Add Annex B String.prototype HTML methods.
Overwriting Annex B String.prototype HTML methods in IE 9, which both uppercases the tag names, and fails to escape double quotes.
Overwriting Annex B String.prototype HTML methods in Safari 4-5, which fails to escape double quotes.
Ensuring that Date#toString returns “Invalid Date” when the date‘s value is NaN.
Test on iojs-v1.2

es6-shim 0.25.0 (16 Feb 2015)

Ensure Object.getOwnPropertyNames accepts primitives.
Make sure the replaced Object.keys is non-enumerable.
Clean up lots of tests to make failures easier to read, and false negatives less common

es6-shim 0.24.0 (5 Feb 2015)

Improving accuracy of Math.expm1 values, and ensuring a shim on Linux FF 35, which reports an inaccurate value for Math.expm1(10).
Fix bug from 7454db144e5aa251d599415cfb296b67aa3cf992 which prevented String#startsWith and String#endsWith from being overwritten in old Firefox.
Improve tests across a wider list of browsers
Ensure that individual Reflect methods are added when possible
Add Reflect (#313)
Fix node 0.11: it has an imprecise Math.sinh with very small numbers.
Alter String#repeat RangeError message to align with Firefox’s native implementation.

es6-shim 0.23.0 (26 Jan 2015)

Use Symbol.species when available, else fall back to “@@species” (renamed from “@@create”)
Fix npm run test-native
Correct broken Math implementations: log1p, exmp1, tanh, acosh, cosh, sinh, round (#314)
Update jscs, grunt-saucelabs, jshint

es6-shim 0.22.2 (4 Jan 2015)

Faster travis-ci builds
Better ES3 support: quoting/avoiding reserved words
Update mocha, jscs, jshint, grunt-saucelabs, uglify-js

es6-shim 0.22.1 (13 Dec 2014)

Make RegExp#flags generic, per spec (#310)

es6-shim 0.22.0 (12 Dec 2014)

Add RegExp#flags
Make new RegExp work with both a regex and a flags string
Remove non-spec Object.{getPropertyNames,getPropertyDescriptor}

es6-shim 0.21.1 (4 Dec 2014)

Promise/Promise.prototype methods, and String#{startsWith,endsWith} are now not enumerable
Array#{keys, values, entries} should all be @@unscopeable in browsers that support that
Ensure that tampering with Function#{call,apply} won’t break internal methods
Add Math.clz32, RegExp tests
Update es6-sham UMD
Update chai, es5-shim, grunt-saucelabs, jscs

es6-shim 0.21.0 (21 Nov 2014)

String#contains → String#includes per 2014-11-19 TC39 meeting
Use an invalid identifier as the es6-shim iterator key, so it doesn’t show up in the console as easily.

es6-shim 0.20.4 (20 Nov 2014)

Performance improvements: avoid slicing arguments, avoid Function#call when possible
Name String.{fromCodePoint,raw} for debugging
Fix String.raw to match spec
Ensure Chrome’s excess Promise methods are purged
Ensure Set#keys === Set#values, per spec

es6-shim 0.20.3 (19 Nov 2014)

Fix Set#add and Map#set to always return “this” (#302)
Clarify TypeError messages thrown by Map/Set
Fix Chrome 38 bug with Array#values

es6-shim 0.20.2 (28 Oct 2014)

Fix AMD (#299)

es6-shim 0.20.1 (27 Oct 2014)

Set#delete and Map#delete should return false unless a deletion occurred. (#298)

es6-shim 0.20.0 (26 Oct 2014)

Use a more reliable UMD
export the global object rather than undefined

es6-shim 0.19.2 (25 Oct 2014)

Set#delete and Map#delete should return a boolean indicating success. (#298)
Make style consistent; add jscs

es6-shim 0.19.1 (14 Oct 2014)

Fix Map#set and Set#add to be chainable (#295)
Update mocha

es6-shim 0.19.0 (9 Oct 2014)

Detect and override noncompliant Map in Firefox 32 (#294)
Fix Map and Set for engines that don’t preserve numeric key order (#292, #290)
Detect and override noncompliant Safari 7.1 Promises (#289)
Fix Array#keys and Array#entries in Safari 7.1
General style and whitespace cleanup
Update dependencies
Clean up tests for ES3 by removing reserved words

es6-shim 0.18.0 (6 Sep 2014)

Speed up String#trim replacement (#284)
named Array#find and Array#findIndex for easier debugging
Replace broken native implementation in Firefox 25-31 for Array#find and Array#findIndex
Ensure String.fromCodePoint has the correct length in Firefox
List the license in package.json for npm
Array.from: fix spec bug with Array.from([], undefined) throwing
Array.from: fix Firefox Array.from bug wrt swallowing negative lengths vs throwing

es6-shim 0.17.0 (31 Aug 2014)

Added es6-sham (#281)
Fixing some flaky tests (#268)
Tweaking how ArrayIterator is checked in its “next” function
Cleaning up some of the logic in Array.from

es6-shim 0.16.0 (6 Aug 2014)

Array#find and Array#findIndex: no longer skips holes in sparse arrays, per https://bugs.ecmascript.org/show_bug.cgi?id=3107

es6-shim 0.15.1 (5 Aug 2014)

Array.from: now correctly throws if provided undefined as a mapper function
Array.from: now correctly works if provided a falsy thisArg
Fix tests so they work properly when Array#(values keys entries) are not present
Add npm run lint to run style checks independently
Add test/native.html so browsers can be easily checked for shim-less compliance.

es6-shim 0.15.0 (31 Jul 2014)

Object.assign no longer throws on null or undefined sources, per https://bugs.ecmascript.org/show_bug.cgi?id=3096

es6-shim 0.14.0 (20 Jul 2014)

Properly recognize Symbol.iterator when it is present (#277)
Fix Math.clz’s improper handling of values that coerce to NaN (#269)
Fix incorrect handling of negative end index on Array#fill (#270)
Removed Object.getOwnPropertyKeys, which shouldn’t be anywhere (#267)
Fixed arity of Map and Set constructors, per 2014.04.27 draft spec (rev 24)
Added a full additional suite of ES6 promise tests (thanks to @smikes!) (#265)
Make Number.isInteger a bit more efficient (#266)
Added npm run test-native to expose how broken implementations are without the shim ;-)
Added additional tests

es6-shim 0.13.0 (11 Jun 2014)

Adapt to new Array.from changes: mapper function is now called with both value and index (#261, #262)
More reliably getting the global object in strict mode to fix node-webkit (#258, #259)
Properly test the global Promise for ignoring non-function callbacks (#258)

es6-shim 0.12.0 (4 Jun 2014)

Fix String#trim implementations that incorrectly trim \u0085
Stop relying on ArrayIterator being a public var, fixing Safari 8

es6-shim 0.11.1 (2 Jun 2014)

Make sure to shim Object.assign in all environments, not just true ES5
Now including minified file and source map

es6-shim 0.11.0 (11 May 2014)

Remove Object.getOwnPropertyDescriptors, per spec. (#234, #235)
IE8 fixes. (#163, #236)
Improve Promise scheduling. (#231)
Add some more standalone shims
Use an Object.create fallback, for better ES3 compatibility
Fix Math.expm1 in more browsers (#84)
Fix es6-shim in Web Workers (#247, #248)
Correct Object.assign to take multiple sources (#241)

es6-shim 0.10.1 (13 Mar 2014)

Update bower.json, component.json, and .npmignore (#229, #230, #233)
Minor updates to Promise implementation and test suite.
Workaround lack of “strict mode” in IE9. (#232)

es6-shim 0.10.0 (1 March 2014)

Implement Promise, per spec. (#209, #215, #224, #225)
Make Map/Set subclassable; support iterable argument to constructor (#218)
Rename Number#clz to Math.clz32 (#217)
Bug fixes to Array#find and Array#findIndex on sparse arrays (#213)
Re-add Number.isInteger (mistakenly removed in 0.9.0)
Allow use of arguments as an iterable
Minor spec-compliance fixes for String.raw
In ES6, Object.keys accepts non-Object types (#220)
Improved browser compatibility with IE 9/10, Opera 12 (#225)

es6-shim 0.9.3 (5 February 2014)

Per spec, removed Object.mixin (#192)
Per spec, treat -0 and +0 keys as identical in Map/Set (#129, #204)
Per spec, ArrayIterator/Array#values() skips sparse indexes now. (#189)
Added Array.from, supporting Map/Set/Array/String iterators (the String iterator iterates over codepoints, not indexes) (#182)
Bug fixes to Map/Set iteration after concurrent delete. (#183)
Bug fixes to Number.clz: 0 and 0x100000000 are handled correctly now. (#196)
Added Math.fround to truncate to a 32-bit floating point number. (#140)
Bug fix for Math.cosh (#178)
Work around Firefox bugs in String#startsWith and String#endsWith (#172)
Work around Safari bug in Math.imul

es6-shim 0.9.2 (18 December 2013)

Negative String#endsWith position is now handled properly.
TypeError is now thrown when string methods are called on null / undefined.

es6-shim 0.9.1 (28 October 2013)

Added Array#copyWithin and Number.MIN_SAFE_INTEGER
Big speed-up of Maps / Sets for string / number keys: they are O(1) now.
Changed Math.hypot according to spec.
Other small fixes.

es6-shim 0.9.0 (30 August 2013)

Added Array iteration methods: Array#keys, Array#values, Array#entries, which return an ArrayIterator
Changed Map and Set constructors to conform to spec when called without new
Added Math.imul
Per spec, removed Number.toInteger, Number.isInteger, and Number.MAX_INTEGER; added Number.isSafeInteger, Number.MAX_SAFE_INTEGER
Added extensive additional tests for many methods

es6-shim 0.8.0 (8 June 2013)

Added Object.setPrototypeOf, Set#keys, Set#values, Map#keys, Map#values, Map#entries, Set#entries.
Fixed String#repeat according to spec.

es6-shim 0.7.0 (2 April 2013)

Added Array#find, Array#findIndex, Object.assign, Object.mixin, Math.cbrt, String.fromCodePoint, String#codePointAt.
Removed Object.isnt.
Made Math functions fully conform spec.

es6-shim 0.6.0 (15 January 2013)

Added Map#keys, Map#values, Map#size, Set#size, Set#clear.

es6-shim 0.5.3 (2 September 2012)

Made String#startsWith, String#endsWith fully conform spec.

es6-shim 0.5.2 (17 June 2012)

Removed String#toArray and Object.isObject as per spec updates.

es6-shim 0.5.1 (14 June 2012)

Made Map and Set follow Spidermonkey implementation instead of V8. var m = Map(); m.set('key', void 0); m.has('key'); now gives true.

es6-shim 0.5.0 (13 June 2012)

Added Number.MAX_INTEGER, Number.EPSILON, Number.parseInt, Number.parseFloat, Number.prototype.clz, Object.isObject.

es6-shim 0.4.1 (11 May 2012)

Fixed boundary checking in Number.isInteger.

es6-shim 0.4.0 (8 February 2012)

Added Math.log10, Math.log2, Math.log1p, Math.expm1, Math.cosh, Math.sinh, Math.tanh, Math.acosh, Math.asinh, Math.atanh, Math.hypot, Math.trunc.

es6-shim 0.3.1 (30 January 2012)

Added IE8 support.

es6-shim 0.3.0 (27 January 2012)

Added Number.isFinite() and Object.isnt().

es6-shim 0.2.1 (7 January 2012)

Fixed a bug in String#endsWith().

es6-shim 0.2.0 (25 December 2011)

Added browser support.
Added tests.
Added Math.sign().

es6-shim 0.1.0 (25 December 2011)

Initial release