source: frontend/node_modules/es-abstract/CHANGELOG.md

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11.24.2 / 2026-04-07
2=================
3 - [Fix] `IfAbruptCloseIterator`: handle all abrupt completions, not just throw
4 - [Robustness] use `+x` instead of `Number(x)`
5 - [Robustness] use `isFinite`/`parseInt` intrinsics, and isNaN helper
6 - [Robustness] ensure `undefined` is `undefined`
7 - [patch] add a TODO to remove an unused helper
8 - [Dev Deps] update `@ljharb/eslint-config`, `npmignore`
9
101.24.1 / 2025-12-12
11=================
12 - [Fix] `ES2025`+: `GeneratorResumeAbrupt`: properly handle return completions
13 - [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `@unicode/unicode-15.0.0`, `make-generator-function`, `npmignore`, `ses`
14
151.24.0 / 2025-05-28
16=================
17 - [New] add `ES2025` (#159)
18 - [New] `ES2023`+: add `GetNamedTimeZoneEpochNanoseconds`, `GetUTCEpochNanoseconds`, `IsTimeZoneOffsetString`
19 - [New] `ES2015`+: `CharacterRange`: also accept CharSets
20 - [New] `ES2024`+: add `AllCharacters`, `CharacterComplement`
21 - [Refactor] StringIndexOf: anticipate ES2025 not found sentinel change
22 - [Deps] update `stop-iteration-iterator`
23 - [Tests] increase coverage
24
251.23.10 / 2025-05-21
26=================
27 - [Fix] properly handle Float16Array
28 - [Fix] `ES2024`+: `IsViewOutOfBounds`: properly handle resizable array buffers
29 - [Fix] `ES2024`+: `IsTypedArrayOutOfBounds`: properly handle resizable arrays
30 - [Fix] `ES2024`+: `GetViewByteLength`, `TypedArrayByteLength`, `TypedArrayLength`: properly handle resizable arrays
31 - [Fix] `ES2020`+: `abs` should accept bigints too
32 - [Fix] `ES2024`+: `ArrayBufferByteLength`: return the byte length for SABs, not NaN
33 - [Fix] `ES2024`+: `ArrayBufferCopyAndDetach`: properly handle resizable ArrayBuffers; add tests
34 - [Fix] `ES2021`: `SetTypedArrayFromTypedArray`: get proper source element size
35 - [Fix] `ES2023`+: `SetTypedArrayFromTypedArray`: ArrayBuffer shouldn‘t be bound
36 - [Fix] `ES2022`,`ES2023`: `ValidateIntegerTypedArray`: return the buffer
37 - [patch] `ES2023`+: `SortIndexedProperties`: improve error message
38 - [patch] clean up some comments
39 - [patch] `ES2023`+: `InternalizeJSONProperty`: remove extra argument
40 - [patch] `ES2020`+`: `GetIterator`: fix comment to indicate that it changed in ES2018
41 - [Refactor] Typed Array stuff: store "choices" string in the table file
42 - [Refactor] `ES2021`+: use isInteger directly in a few AOs
43 - [Refactor] `ES2022`+: `ValidateAndApplyPropertyDescriptor`: use `typeof` over `Type()`
44 - [Refactor] `helpers/getIteratorMethod`: no longer require a passed-in `IsArray`
45 - [Refactor] `ES2017`+: `Num{ber,eric}ToRawBytes`, `RawBytesToNum{ber,eric}`: use TAO table sizes
46 - [Refactor] `ES2015`+: `{,Ordinary}ObjectCreate`: prefer `__proto__` syntax over `Object.create`
47 - [Refactor] `CopyDataProperties` tests are the same in ES2020 as in ES2018
48 - [Refactor] `ES2016` - `ES2020`: `UTF16Encoding`: match `UTF16EncodeCodePoint`
49 - [Refactor] use `es-object-atoms/isObject` directly
50 - [Refactor] add `isSameType` helper, and use it
51 - [Refactor] `ES2017`+: `WordCharacters`: `String.prototype.indexOf` should always be present
52 - [Refactor] use `arr[arr.length] = x` instead of `$push(arr, x)`
53 - [Robustness] `ES2015`+: `ObjectDefineProperties`: use `OrdinaryGetOwnProperty` to handle a missing `gOPD`
54 - [meta] add missing comments
55 - [meta] fix operations npmignores
56 - [meta] fix URL in comment
57 - [meta] note `isNegativeZero` helper is slated for removal (#155)
58 - [Deps] update `call-bound`, `which-typed-array`, `es-object-atoms`, `get-intrinsic`, `get-proto`, `regexp.prototype.flags`, `is-weakref`, `object-inspect`
59 - [Dev Deps] pin `glob` to v7
60 - [Dev Deps] update `@unicode/unicode-15.0.0`, `es-value-fixtures`, `for-each`, `has-strict-mode`, `ses`
61 - [Tests] avoid an OOM in node 20 on SES tests
62 - [Tests] compare correct TA type
63 - [Tests] consolidate map of AO property names to prose names
64 - [Tests] extract common helpers
65 - [Tests] increase coverage
66 - [Tests] increase coverage
67 - [Tests] node 20 throws with RABs that are not a multiple of 4 and 8
68 - [Tests] refactor TA types arrays to year-taking functions
69 - [Tests] refactor test megafile into file-per-method tests
70 - [Tests] remove now-unused test mega-file
71 - [Tests] some cleanups
72 - [Tests] use proper import
73
741.23.9 / 2025-01-02
75=================
76 * [Refactor] use `get-proto` directly
77 * [Refactor] use `set-proto` directly
78 * [Refactor] use `Reflect.setPrototypeOf` and `dunder-proto` in `setProto` helper
79 * [Refactor] `ES2015`+: `ArrayCreate`: use `setProto` helper
80 * [Deps] update `es-set-tostringtag`, `own-keys`
81 * [Dev Deps] update `is-core-module`
82 * [Tests] use `own-keys` directly
83
841.23.8 / 2024-12-28
85=================
86 * [Refactor] use `own-keys`
87 * [Refactor] use `safe-push-apply`
88
891.23.7 / 2024-12-20
90=================
91 * [Refactor] create and use `helpers/isPropertyKey`
92 * [Refactor] add `timeValue` helper, use it
93 * [Deps] update `array-buffer-byte-length`, `data-view-buffer`, `data-view-byte-length`, `data-view-byte-offset`, `function.prototype.name`, `get-symbol-description`, `is-array-buffer`, `is-shared-array-buffer`, `is-typed-array`, `math-intrinsics`, `object.assign`, `typed-array-buffer`, `typed-array-byte-length`, `typed-array-byte-offset`, `unbox-primitive`, `which-typed-array`
94 * [Deps] remove unused dep
95 * [Dev Deps] update `array.prototype.indexof`, `has-bigints`, `is-registered-symbol`, `safe-bigint`
96
971.23.6 / 2024-12-15
98=================
99 * [Fix] `ES2015` - `ES2019`: `IntegerIndexedElementSet`: reject BigInt Typed Arrays prior to ES2020
100 * [Fix] `ES2023`+: `SetTypedArrayFromTypedArray`: provide missing `cloneConstructor` argument to `CloneArrayBuffer`
101 * [Fix] `ES2024`+: `FindViaPredicate`: spec enums are uppercase now
102 * [Fix] `ES2017` - `ES2019`: `SetValueInBuffer`: handle proper number of arguments
103 * [Fix] `ES2015`+: `QuoteJSONString`: properly handle surrogates
104 * [Fix] `ES2015`+: `TestIntegrityLevel`: properly handle envs without property descriptors
105 * [patch] `ES2018` - `ES2023`: `thisSymbolValue`: only require `Symbol.prototype.valueOf` for boxed Symbols
106 * [Robustness] `ES2015` - `ES2016`: `SetValueInBuffer`: salt dictionary keys in case of pre-proto envs
107 * [Refactor] use `math-intrinsics`
108 * [Refactor] use `call-bound` directly
109 * [Refactor] `ES2015`+: `GetIterator`: hoist an object to module scope
110 * [Refactor] use `typeof` over `Type()` when possible
111 * [Refactor] `ES2015` - `ES2016`: `GetValueFromBuffer`: remove unnecessary extra helper argument
112 * [Refactor] misc cleanups
113 * [Refactor] make and use `isObject` helper
114 * [Refactor] `ES5`+: `MonthFromTime`: throw a `RangeError` for an out of range timestamp
115 * [Refactor] use `+` over `Number()`
116 * [Deps] update `arraybuffer.prototype.slice`, `call-bind`, `es-define-property`, `es-to-primitive`, `function.prototype.name`, `get-intrinsic`, `gopd`, `has-proto`, `has-symbols`, `internal-slot`, `is-data-view`, `is-regex`, `is-string`, `which-typed-array`, `is-weakref`, `safe-array-concat`, `safe-regex-test`, `string.prototype.trim`, `string.prototype.trimend`, `typed-array-byte-offset`, `typed-array-length`
117 * [meta] remove unnecessary unspackles
118 * [Tests] `isStringOrUndefined`: increase coverage
119 * [Tests] bigint tests are ES2020+ only
120 * [Dev Deps] update `array.prototype.flatmap`, `is-core-module`, `is-registered-symbol`
121
1221.23.5 / 2024-11-14
123=================
124 * [Fix] `ES2015`+: `CompletionRecord`: ensure `?` works on any non-abrupt completion
125
1261.23.4 / 2024-11-12
127=================
128 * [Fix] `ES2024`+: Iterator Records can now have non-functions in `[[NextMethod]]`
129 * [meta] update spec URL comments
130 * [Deps] update `globalthis`, `object-inspect`, `regexp.prototype.flags`
131 * [Dev Deps] update `@ljharb/eslint-config`, `@unicode/unicode-15.0.0`, `diff`, `es-value-fixtures`, `is-core-module`, `mock-property`, `ses`, `tape`
132 * [actions] split out node 10-20, and 20+
133 * [Tests] switch to `npm audit` from `aud`
134 * [Tests] use `.assertion` instead of monkeypatching tape
135 * [Tests] increase coverage
136
1371.23.3 / 2024-03-29
138=================
139 * [Fix] `ES2024`: `StringPad`, `StringPaddingBuiltinsImpl`: prefer uppercase spec enums
140 * [Fix] `helpers/bytesAsInteger`: avoid a crash in node 10.4 - 10.8
141 * [Fix] `ES5`: `CheckObjectCoercible`: restore `optMessage` optional arg
142 * [Refactor] `ES2022`+: update `TimeString` to use `ToZeroPaddedDecimalString`
143 * [Robustness] use cached copies of builtins
144 * [Deps] update `string.prototype.trimstart`, `typed-array-length`
145 * [Dev Deps] update `array.from`, `array.prototype.filter`, `array.prototype.indexof`, `object.fromentries`, `safe-bigint`
146
1471.23.2 / 2024-03-17
148=================
149 * [Fix] `records/regexp-record`: add optional `[[UnicodeSets]]` boolean field
150 * [Fix] `ES2024`+: `AddValueToKeyedGroup`: avoid adding matched values twice
151 * [Fix] `ES5`: `CheckObjectCoercible`: use the right function name
152 * [Fix] `ES2024`+: `AddEntriesFromIterable`, `GetIterator`, `GroupBy`: properly capitalize spec enums
153 * [Deps] update `string.prototype.trim`, `string.prototype.trimend`
154 * [Tests] increase coverage
155
1561.23.1 / 2024-03-16
157=================
158 * [Refactor] use `es-object-atoms`
159 * [Deps] update `hasown`, `which-typed-array`, `data-view-byte-length`, `safe-array-concat`
160 * [Dev Deps] update `diff`
161
1621.23.0 / 2024-03-04
163=================
164 * [New] add `ES2024`
165 * [New] `ES2015`+: add `InternalizeJSONProperty`
166 * [New] `ES2015`+: add `IntegerIndexedElement{Get,Set}`
167 * [New] `ES2018`+: add `TimeZoneString`
168 * [New] `ES2022`+: add `DefineMethodProperty`
169 * [New] `ES2023`: add `DefaultTimeZone`
170 * [Fix] `ES2023`+: `SetTypedArrayFrom{TypedArray,ArrayLike}`: match engine reality
171 * [Fix] `ES2024`+: `GetViewByteLength`, `IsViewOutOfBounds`: support engines with only own DV properties
172 * [Tests] use `safe-bigint`
173
1741.22.5 / 2024-02-28
175=================
176 * [Fix] `ES2015`+: `DetachArrayBuffer`: node v21.0.0+ structuredClone throws with an already-detached ArrayBuffer
177 * [Fix] `helpers/assertRecord`: partial revert of 87c340d2; unintentional breaking change
178 * [patch] records: fix indentation, improve object checks
179 * [Refactor] extract TA tables to separate files
180 * [meta] extract "list spackled files" to separate run-script
181 * [Deps] update `available-typed-arrays`, `es-set-tostringtag`, `has-proto`, `is-negative-zero`, `is-shared-array-buffer`, `typed-array-buffer`, `typed-array-byte-length`, `typed-array-byte-offset`, `typed-array-length`
182 * [Dev Deps] update `available-regexp-flags`, `tape`
183 * [Dev Deps] pin `jackspeak` and `glob`, since v2.1.2+ and v10.3.8+ respectively depend on npm aliases, which kill the install process in npm < 6
184 * [Tests] use `define-{accessor,data}-property`
185 * [Tests] fix some test cases
186 * [Tests] use `safeBigInt` for `Z()` pattern to handle node 10.4 - 10.8
187
1881.22.4 / 2024-02-13
189=================
190 * [Fix] `ES2017`+: `IsDetachedBuffer`: properly allow SABs
191 * [Fix] `ES2022`+: `ToBigInt`: properly throw on an unparseable string
192 * [Fix] `ES2015`+: `ValidateTypedArray`: proper detachment check and return value
193 * [Fix] `ES2022`+: `GetSubstitution`: match updated semantics
194 * [Refactor] prefer `typeof` over `Type()`, except for Object, where possible
195 * [Refactor] use `es-errors` instead of `get-intrinsic` where possible
196 * [Refactor] use `es-define-property`
197 * [Refactor] records: extract predicates to individual files
198 * [Refactor] `ES2015`+: `Canonicalize`, `WordCharacters`: use explicit `.json` extension for imports
199 * [Deps] update `array-buffer-byte-length`, `arraybuffer.prototype.slice`, `available-typed-arrays`, `call-bind`, `es-set-tostringtag`, `get-intrinsic`, `get-symbol-description`, `has-proper ty-descriptors`, `has-property-descriptors`, `hasown`, `internal-slot`, `is-array-buffer`, `is-typed-array`, `object.assign`, `regexp.prototype.flags`, `safe-array-concat`, `safe-regex-test`, `typed-array-buffer`, `which-typed-array`
200 * [eslint] remove unused overrides
201 * [Tests] increase/fix coverage
202 * [Dev Deps] update `aud`, `npmignore`, `mock-property`, `tape`
203
2041.22.3 / 2023-10-20
205=================
206 * [Fix] `ES2015`+: `GetSubstitution`: accept `undefined` instead of a hole
207 * [Refactor] use `hasown` instead of `has`
208 * [Deps] update `call-bind`, `get-intrinsic`, `object-inspect`, `which-typed-array`
209 * [Dev Deps] update `function-bind`, `is-core-module`, `mock-property`, `tape`
210
2111.22.2 / 2023-09-14
212=================
213 * [Fix] `ES2015`+: `NewPromiseCapability`: use AOs from the current year, not 2022
214 * [Refactor] `ES2021`+: `SetTypedArrayFromArrayLike`: use `IsBigIntElementType`
215 * [Refactor] properly name `helpers/typedArrayConstructors`
216 * [Refactor] simplify helpers
217 * [Deps] update `arraybuffer.prototype.slice`, `function.prototype.name`, `is-typed-array`, `regexp.prototype.flags`, `safe-array-concat`, `string.prototype.trim`, `string.prototype.trimend`, `string.prototype.trimstart`, `which-typed-array`
218 * [actions] update actions
219 * [Tests] run SES tests on more node versions
220 * [Dev Deps] update `@unicode/unicode-15.0.0`, `array.from`, `array.prototype.filter`, `array.prototype.flatmap`, `array.prototype.indexof`, `is-core-module`, `object.fromentries`, `ses`, `tape`
221
2221.22.1 / 2023-07-15
223=================
224 * [Deps] add missing `safe-array-concat` dep
225
2261.22.0 / 2023-07-15
227=================
228 * [New] add `ES2023`
229 * [New] `ES2021+`: add `SetTypedArrayFromArrayLike`, `SetTypedArrayFromTypedArray`
230 * [New] `ES2021`+: add `CloneArrayBuffer`
231 * [New] `ES2020`+: add `IsValidIntegerIndex`
232 * [New] `ES2015`+: add `GetValueFromBuffer`, `SetValueInBuffer`
233 * [New] `ES2016`+: add `TypedArrayCreate`, `TypedArraySpeciesCreate`
234 * [New] `ES2015`+: add `IsWordChar`
235 * [New] `ES2017`+ add `WordCharacters`
236 * [New] `ES2015`+: add `Canonicalize`
237 * [New] `ES2015`+: add `NewPromiseCapability`
238 * [Fix] `ES2017+`: `NumberToRawBytes`, `NumericToRawBytes`: reimplement Float64, fix integer scenarios
239 * [Refactor] add `helpers/isLineTerminator`
240 * [Refactor] add `isInteger` helper, and use it
241 * [Refactor] extract `isStringOrHole` to a helper
242 * [Refactor] `ES2017`+: `RawBytesToNumber`, `RawBytesToNumeric`: extract common code to helpers
243 * [Refactor] make a `MAX_VALUE` helper
244 * [Tests] fix RawBytesToNumeric tests in node v10.4-10.8
245 * [Tests] fix buffer test cases in node v10.4-v10.8
246
2471.21.3 / 2023-07-12
248=================
249 * [Fix] `ES2017+`: `RawBytesToNumber`, `RawBytesToNumeric`: properly handle some scenarios
250 * [Fix] `ES2015`+: `GetV`: the receiver is `V`, not `O`
251 * [Fix] `ES2017`+: `RawBytesToNumber`, `RawBytesToNumeric`: fix exponent calculation for Float64, improve tests
252 * [Fix] `ES2017`+: `RawBytesToNumber`, `RawBytesToNumeric`: fix logic, improve tests
253 * [Fix] `ES2019`+: `thisTimeValue`: fix spackling
254 * [Robustness] `ES2017`+: `NumberToRawBytes`, `NumericToRawBytes`: use `SameValue` instead of `Object.is`
255 * [Refactor] `ES2021`+: `ValidateAtomicAccess`: use `typed-array-byte-offset`
256 * [Refactor] `ES2019`+: `AddEntriesFromIterable`: use `ThrowCompletion`
257 * [patch] `ES2015`+: `ObjectDefineProperties`: satisfy TODO
258 * [patch] `ES2015`+: `GetV`: improve error message
259 * [patch] fix spec URLs
260 * [Deps] update `get-intrinsic`, `regexp.prototype.flags`, `which-typed-array`
261 * [actions] fix permissions
262 * [Tests] add buffer test case fixtures + tests
263 * [Tests] skip test that modifies the env in SES
264 * [Tests] fix regex flags tests for node 20
265 * [Dev Deps] update `@ljharb/eslint-config`, `aud`, `available-regexp-flags`, `is-core-module`, `tape`
266
2671.21.2 / 2023-03-12
268=================
269 * [Fix] `ES2015`+: `CreateDataProperty`: use `OrdinaryDefineOwnProperty`
270 * [Fix] `ES2015`+: `CreateDataProperty`: use `OrdinaryDefineOwnProperty`
271 * [Fix] `ES2015`+: `GetPrototypeFromConstructor`: add missing assertion that `intrinsicDefaultProto` is an object
272 * [Fix] `ES2015`+: `IsDetachedBuffer`: ensure a nullish error does not crash
273 * [Fix] `ES2015`+: `ToDateString`: properly handle time values that aren’t "now"
274 * [Fix] `ES2015`+: `ToUint8Clamp`: avoid an extra observable ToNumber
275 * [Fix] `ES2015`+`: `GetMethod`: when `func` is not callable and `P` is a symbol, avoid the wrong TypeError
276 * [Fix] `ES2020`+: `ToBigInt`: properly throw on anything besides string, bigint, boolean
277 * [Fix] `ES2021`+: `SplitMatch`: instead of `false`, return `'not-matched'`
278 * [Fix] `helpers/assertRecord`: handle nullish input
279 * [Fix] `helpers/isFullyPopulatedPropertyDescriptor`: handle primitive inputs
280 * [Robustness] `ES5`: `ToNumber`: avoid relying on runtime `.test` and `.replace`
281 * [Refactor] `ES2015`: mark `IsDataDescriptor` and `IsAccessorDescriptor` as spackled
282 * [Refactor] `ES2015`+: `IsDetachedBuffer`: use `array-buffer-byte-length` package
283 * [Refactor] `ES2015`+: `OrdinaryHasInstance`: rely on falsiness
284 * [Refactor] `ES2016`+: `CreateListFromArrayLike`: hoist default element types to module level
285 * [Refactor] `ES2022`+: `StringToNumber`, `ToNumber`: use `string.prototype.trim`
286 * [patch] `ES2022`+: `IsLessThan`: fix a comment
287 * [patch] `ES2022`+: `TypedArrayElementSize`, `TypedArrayElementType`: throw a SyntaxError with an unknown TA type
288 * [patch] `ES2022`+: `IsLessThan`: fix a comment
289 * [patch] `ES2020`+: `thisBigIntValue`: throw a SyntaxError, not TypeError, for unsupported features
290 * [patch] `helpers/getIteratorMethod`: `String` is always available
291 * [patch] fix commented spec URLs
292 * [patch] omit `%` for `callBound`
293 * [meta] fix spec URLs
294 * [meta] fix spackle metadata, comments
295 * [Deps] update `get-intrinsic`, `internal-slot`, `is-array-buffer`, `object-inspect`
296 * [Deps] move `function-bind` to dev deps
297 * [Tests] String.fromCharCode takes numbers, not strings
298 * [Tests] use `makeIteratorRecord` helper
299 * [Tests] increase coverage
300 * [Tests] fix tests that throw a sentinel
301 * [Dev Deps] update `array.from`, `available-regexp-flags`, `tape`
302
3031.21.1 / 2023-01-10
304=================
305 * [Fix] move `available-typed-arrays` to runtime deps
306 * [Fix] `ES2021`+: `NumberToBigInt`: throw the proper error on an env without BigInts
307 * [Fix] `ES2018`+: `CreateAsyncFromSyncIterator`: properly check `next` method args length
308 * [Fix] `ES2020`-`ES2021`: Abstract Relational Comparison: handle BigInts properly
309 * [Fix] `ES2022`+: `StringToBigInt`: invalid BigInts should be `undefined`, not `NaN` as in previous years
310 * [Fix] `helpers/isFinite`: properly handle BigInt values
311 * [Fix] `ES2020`+: `CreateListFromArrayLike`: accept BigInts
312 * [Fix] `ES2019`+: `AsyncFromSyncIteratorContinuation`: throw a SyntaxError when > 1 arg is passed
313 * [patch] `ES2020`+: `GetIterator`: use SyntaxError for intentionally unsupported
314 * [patch] `ES2015`+: `GetPrototypeFromContructor`: use SyntaxError for intentionally unsupported
315 * [patch] `ES2022`+: `StringToNumber`: fix non-string assertion failure message
316 * [Deps] update `es-set-tostringtag`, `is-array-buffer`
317 * [Tests] increase coverage
318 * [Tests] exclude coverage from files that have been replaced by an extracted package
319
3201.21.0 / 2023-01-04
321=================
322 * [New] `ES2015`+: add `IsDetachedBuffer`
323 * [New] `ES2015+`: add `DetachArrayBuffer`
324 * [New] `ES2020`+: add `NumericToRawBytes`
325 * [New] `ES2017` - `ES2019`: add `NumberToRawBytes`
326 * [New] `ES2020+`: add `RawBytesToNumeric`
327 * [New] `ES2017-ES2019`: add `RawBytesToNumber`
328 * [New] `ES2017`+: add `ValidateAtomicAccess`
329 * [New] `ES2021`+: add `ValidateIntegerTypedArray`
330 * [New] `ES2015`+: add `ValidateTypedArray`
331 * [New] `ES2015`+: add `GetGlobalObject`
332 * [New] `ES2022`+: add `TypedArrayElementSize`, `TypedArrayElementType`
333 * [New] `ES2015`+: add `max`, `min`
334 * [New] `helpers/assertRecord`: add predicates for PromiseCapability and AsyncGeneratorRequest Records
335 * [New] `ES2018`+: add `AsyncIteratorClose`
336 * [New] `ES2015`+: `IteratorClose`: also accept a Completion Record instance instead of a completion thunk
337 * [New] `ES2015`+ (CompletionRecord, NormalCompletion), `ES2018`+ (ThrowCompletion): add new AOs
338 * [New] `ES2015`+ (`ObjectCreate`) and `ES2020`+ (`OrdinaryObjectCreate`): use `internal-slot` to support additional slots
339 * [New] `ES2018`+: add `CreateAsyncFromSyncIterator`
340 * [patch] `ES2015`+: `GetMethod`: better failure message
341 * [Refactor] use `es-set-tostringtag` package
342 * [Refactor] use `has-proto` package
343 * [Deps] update `has-proto`, `es-set-tostringtag`, `internal-slot`
344 * [meta] fix spackle script to `git add` after all writing is done
345 * [meta] autogenerate esX entry points
346 * [meta] use a leading slash in gitattributes for proper spackle matching
347 * [Tests] fix comments on missing AOs
348 * [Tests] filter out host-defined AOs
349 * [Dev Deps] update `@ljharb/eslint-config`, `aud`
350
3511.20.5 / 2022-12-07
352=================
353 * [Fix] `ES2020+`: `floor`: make it work with BigInts as well
354 * [Refactor] use `gopd`
355 * [Tests] add `mod` helper tests (#147)
356 * [Deps] update `string.prototype.trimend`, `string.prototype.trimstart`
357 * [Dev Deps] update `array.prototype.filter`, `array.prototype.flatmap`, `array.prototype.indexof`, `object.fromentries`
358
3591.20.4 / 2022-10-06
360=================
361 * [Fix] `ES2021+`: values that truncate to -0 in `ToIntegerOrInfinity` (#146)
362 * [Deps] update `is-callable`
363
3641.20.3 / 2022-09-22
365=================
366 * [Refactor] extract regex tester to `safe-regex-test` package
367 * [Deps] update `get-intrinsic`, `is-callable`
368 * [Dev Deps] update `aud`, `tape`
369
3701.20.2 / 2022-09-01
371=================
372 * [Fix] `ES2020+`: `SameValueNonNumeric`: properly throw on BigInt values
373 * [Deps] update `object.assign`, `get-intrinsic`, `object-inspect`
374 * [Dev Deps] update `array.prototype.indexof`, `diff`, `es-value-fixtures`, `tape`
375 * [meta] `spackle`: always mkdirp new files to be written
376 * [Tests] fix vscode auto-const from 8fc256d
377
3781.20.1 / 2022-05-16
379=================
380 * [Fix] `thisTimeValue`: use `getTime`, not `valueOf`, to get the time value
381 * [Refactor] create `IsArray` helper
382 * [Deps] update `regexp.prototype.flags`
383 * [Dev Deps] use `for-each` instead of `foreach`
384
3851.20.0 / 2022-05-05
386=================
387 * [New] add ES2022
388 * [New] `ES2015+`: add `ObjectDefineProperties`
389 * [Refactor] create `fromPropertyDescriptor` helper
390 * [Refactor] use `has-property-descriptors`
391 * [Deps] update `string.prototype.trimend`, `string.prototype.trimstart`, `unbox-primitive`
392 * [meta] use `npmignore` to autogenerate an npmignore file
393 * [Dev Deps] update `es-value-fixtures`, `has-bigints`, `functions-have-names`
394 * [Tests] copy GetIntrinsic tests over from `get-intrinsic`
395
3961.19.5 / 2022-04-13
397=================
398 * [Fix] `DefineOwnProperty`: FF 4-22 throws an exception when defining length of an array
399 * [Dev Deps] update `@ljharb/eslint-config`
400
4011.19.4 / 2022-04-12
402=================
403 * [Fix] `ES2015+`: `CreateDataProperty`: a nonwritable but configurable property is still converted to a data property
404
4051.19.3 / 2022-04-11
406=================
407 * [Fix] `ES2015+`: `GetIterator`, `IterableToArrayLike`: in Symbol-less envs, handle boxed string objects
408 * [Robustness] use `exec` instead of `test`, since the latter observably looks up `exec`
409 * [Deps] update `is-shared-array-buffer`
410 * [actions] restrict permissions
411 * [Dev Deps] update `tape`
412 * [Tests] add test coverage
413 * [Tests] avoid a bug in node v4.0 with bound function names
414
4151.19.2 / 2022-03-28
416=================
417 * [Fix] `ES2018+`: `EnumerableOwnPropertyNames`, `ToIntegerOrInfinity`, `UTF16SurrogatePairToCodePoint`: proper function names
418 * [Fix] `ES2015+`: `GetOwnPropertyKeys`/`IsExtensible`/`{Set,Test}IntegrityLevel`: avoid a crash in IE 8 on missing ES5 intrinsics
419 * [Fix] `helpers/DefineOwnProperty`: avoid a crash in IE 8
420 * [Fix] `ES2015+`: `StringCreate`: properly check for `prototype` being `String.prototype`
421 * [Docs] `ES2015+`: `GetV`: Fix spec URL
422 * [meta] operations: use a URL object instead of a URL string
423 * [meta] remove defunct greenkeeper config
424 * [meta] better `eccheck` command; fix indentation
425 * [Tests] node v0.6 lacks `RegExp.prototype.source`
426 * [Tests] remove a stray `console.log`
427 * [Tests] properly set the lastIndex in IE 8
428 * [Tests] skip test due to IE 6-8 sparse/undefined bug
429 * [Tests] in IE 8, an empty regex is `` and not `(?:)`
430 * [Tests] ES3 engines don’t have `.bind`
431 * [Tests] avoid needless failures in ES3 engines that don't support descriptors
432 * [Tests] add test to cover https://github.com/tc39/ecma262/issues/2611
433 * [Deps] update `has-symbols`, `is-negative-zero`, `is-weakref`, `object-inspect`
434 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object.fromentries`, `safe-publish-latest`, `tape`
435 * [actions] reuse common workflows
436 * [actions] update codecov uploader
437
4381.19.1 / 2021-10-02
439=================
440 * [Fix] `ES2020+`: `CreateRegExpStringIterator`: should not have enumerable methods
441 * [Dev Deps] update `array.prototype.filter`, `array.prototype.indexof`
442
4431.19.0 / 2021-09-30
444=================
445 * [New] `ES2021+`: `IterableToList`: make `method` parameter optional (#61)
446 * [New] add ES2021
447 * [New] `ES2020+`: add `StringToBigInt`, `ToBigInt`, `ToBigInt64`, `ToBigUint64`
448 * [New] `ES2017`+: add `IsSharedArrayBuffer`, `OrdinaryToPrimitive`
449 * [New] `ES2015+`: add `CharacterRange`, `IsCompatiblePropertyDescriptor`
450 * [New] `ES2020+`: add `CreateRegExpStringIterator`
451 * [Fix] `ES2020+`: `ToBigInt64`/`ToBigUint64`: avoid node v10.4-v10.8 bug with limited BigInt range
452 * [Fix] `ES2020+`: `AbstractRelationalComparison`, `AbstractEqualityComparison`: support BigInt
453 * [Fix] `ES2020+`: `ToBigInt64`/`ToBigUint64`: Improve the definitions of twoSixtyThree and twoSixtyFour (#140)
454 * [meta] do not publish .gitattributes
455 * [Tests] Correct the behavior of `safeBigInt`
456 * [Tests] Exclude dotfiles from the testing sweep (#141)
457
4581.18.7 / 2021-09-28
459=================
460 * [Fix] `getOwnPropertyDescriptor` helper: avoid crashing in IE < 9
461 * [Fix] `ArraySetLength`: `node` `v0.6` has a bug where array lengths can be Set but not Defined
462 * [eslint] remove unused directive
463 * [Tests] fix spelling
464
4651.18.6 / 2021-09-07
466=================
467 * [Fix] `ES2020+`: `NumberToBigInt`: throw a SyntaxError when BigInts are not supported
468 * [Refactor] extract getSymbolDescription logic to `get-symbol-description`
469 * [Refactor] `ES2018+`: `AbstractRelationalComparison`: use `IsStringPrefix`
470 * [Deps] update `is-callable`, `is-regex`, `is-string`
471 * [Dev Deps] update `@ljharb/eslint-config`, `tape`
472 * [Tests] `GetSubstitution`: add cases
473
4741.18.5 / 2021-08-01
475=================
476 * [meta] remove "exports" (#133)
477 * [Dev Deps] update `eslint`
478
4791.18.4 / 2021-07-29
480=================
481 * [meta] partial revert of b54cfe8525faff482450e843a49d43be3a086225
482 * [Deps] update `internal-slot`, `object-inspect`
483 * [Dev Deps] update `eslint`, `tape`
484 * [Tests] `ArraySetLength`: increase coverage
485
4861.18.3 / 2021-05-27
487=================
488 * [Fix] `ES2020+`: `ToNumber`: ensure it throws on a BigInt (#130)
489
4901.18.2 / 2021-05-25
491=================
492 * [meta] add `helpers` to "exports" field, for back compat
493
4941.18.1 / 2021-05-25
495=================
496 * [readme] update and clarify entry points
497 * [meta] add "exports" field, with escape hatch
498 * [meta] add `sideEffects` field
499 * [meta] use `prepublishOnly`, for npm 7+
500 * [eslint] clean up eslint rules
501 * [Deps] update `is-regex`, `is-string`, `object-inspect`, `unbox-primitive`
502 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape`
503 * [actions] disable fail-fast on matrix jobs
504 * [actions] use `node/install` action instead of `node/run`
505 * [actions] update codeql-analysis to new best practices
506
5071.18.0 / 2021-03-03
508=================
509 * [New] add `ES2020`, and a number of additional AOs: See the changelog entries for the prereleases for more information:
510 - [next.3](./CHANGELOG.md#1180-next3--2021-03-01)
511 - [next.2](./CHANGELOG.md#1180-next2--2021-01-17)
512 - [next.1](./CHANGELOG.md#1180-next1--2020-09-30)
513 - [next.0](./CHANGELOG.md#1180-next0--2020-08-14)
514 * [Refactor] `ES5+`: `Abstract Relational Comparison`: increase coverage
515 * [Tests] increase coverage
516 * [Tests] do not run coverage on node 0.6
517
5181.18.0-next.3 / 2021-03-01
519=================
520 * [New] `ES2015`: add `StringGetIndexProperty`
521 * [New] `ES2015+`: add `RegExpCreate`, `SplitMatch`, `StringCreate`
522 * [New] `ES2016-ES2019`: add `UTF16Decode`
523 * [New] `ES2020+`: add `NumberToBigInt`
524 * [New] `ES2020+: add `BigInt::`/`Number::` methods:
525 * [Fix] `ES5`: `ToNumber`: properly refuse to parse ES6+ forms
526 * [Fix] `ES2015+`: `Invoke`: optional argumentsList must be a List of arguments, not a list of arguments
527 * [Fix] `ES2016+`: `UTF16Encoding`: properly return a string code point instead of a numeric code point
528 * [Fix] `ES2020`: `NumberBitwiseOp`: assert that x and y are Numbers
529 * [readme] remove travis/testling badge, fix repo URLs
530 * [meta] `ES2015`: add missing `CreateArrayIterator` AO
531 * [meta] `ES2015-ES2017`: add missing `DaylightSavingTA` AO
532 * [meta] rerun `npm run spackle` to update URLs left after 11d8c8df11c0d15d094a6035afed662e22b440ef
533 * [meta] update ecma URLs
534 * [meta] unignore 2020 operations list
535 * [meta] update operations scripts linting
536 * [meta] refactor getOps script to fetch all years at once
537 * [meta] refactor operations script to keep years in one place
538 * [meta] fix ES2015 spec URL
539 * [Deps] update `has-symbols`, `string.prototype.trimend`, `string.prototype.trimstart`, `get-intrinsic`, `is-callable`, `is-regex`
540 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `array.prototype.indexof`, `aud`, `es-value-fixtures`, `object.fromentries`, `tape`, `diff`
541 * [operations] detect ES2020+ style `T::` numeric operations
542 * [Tests] increase coverage
543 * [Tests] `BigInt(1e17)` throws on node v10.4-v10.6
544 * [Tests] improve coverage on `Number::` methods
545 * [Tests] `tape` v5 `.equal` now uses strict equality, so no more need for `is()`
546 * [Tests] improve BigInt:: and Number:: coverage
547 * [Tests] actually run all the helpers tests
548 * [Tests] ensure "expected missing" ops list is accurate
549 * [Tests] abstract away per-operation skips
550 * [Tests] skip BigInt:: tests on envs without BigInts
551 * [Tests] use `es-value-fixtures`
552 * [actions] update workflows
553
5541.18.0-next.2 / 2021-01-17
555=================
556 * [New] `helpers`: add `isByteValue`, `isCodePoint`, `some`
557 * [Fix] `ES2018+`: fix `GetSubstitution` with named captures
558 * [Fix] `ES2020`: `GetIterator`: add omitted `hint` parameter
559 * [Fix] `ES2018`/`ES2019`: `SetFunctionLength`: Infinities should throw
560 * [Fix] `ES2020`: `ToIndex` uses `SameValue` instead of `SameValueZero`
561 * [Fix] `ES2020`: `CopyDataProperties` uses `CreateDataPropertyOrThrow` instead of `CreateDataProperty`
562 * [Refactor] use extracted `call-bind` instead of local helpers
563 * [Refactor] use extracted `get-intrinsic` package
564 * [Deps] update `call-bind`, `get-intrinsic`, `is-callable`, `is-negative-zero`, `is-regex`, `object-inspect`, `object.assign`, `string.prototype.trimend`, `string.prototype.trimstart`
565 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `array.prototype.indexof`, `aud`, `diff`, `functions-have-names`, `has-bigints`, `has-strict-mode`, `object-is`, `object.fromentries`, `tape`
566 * [actions] switch Automatic Rebase workflow to `pull_request_target` event
567 * [actions] add "Allow Edits" workflow
568 * [meta] pin cheerio to v1.0.0-rc.3, to fix getOps
569 * [meta] make all URLs consistent, and point to spec artifacts
570 * [meta] refactor `deltas` script; update eslint on operations scripts
571 * [meta] do not publish .github dir (#123)
572 * [Tests] add `v.notNonNegativeIntegers`, `v.nonConstructorFunctions`
573 * [Tests] migrate tests to Github Actions
574 * [Tests] run coverage on all tests
575 * [Tests] add `npm run test:ses`
576
5771.18.0-next.1 / 2020-09-30
578=================
579 * [Fix] `ES2020`: `ToInteger`: `-0` should always be normalized to `+0` (#116)
580 * [patch] `GetIntrinsic`: Adapt to override-mistake-fix pattern (#115)
581 * [Fix] `callBind`: ensure compatibility with SES
582 * [Deps] update `is-callable`, `object.assign`
583 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`
584 * [eslint] fix warning
585 * [Tests] temporarily allow SES tests to fail (#115)
586 * [Tests] ses-compat - initialize module after ses lockdown (#113)
587 * [Tests] [Refactor] use defineProperty helper rather than assignment
588 * [Tests] [Refactor] clean up defineProperty test helper
589
5901.18.0-next.0 / 2020-08-14
591=================
592 * [New] add `ES2020`
593 * [New] `GetIntrinsic`: add `%AggregateError%`, `%FinalizationRegistry%`, and `%WeakRef%`
594 * [New] `ES5`+: add `abs`, `floor`; use `modulo` consistently
595 * [New] `GetIntrinsic`: Cache accessed intrinsics (#98)
596 * [New] `GetIntrinsic`: Add ES201x function intrinsics (#97)
597 * [New] `ES2015`+: add `QuoteJSONString`, `OrdinaryCreateFromConstructor`
598 * [New] `ES2017`+: add `StringGetOwnProperty`
599 * [New] `ES2016`+: add `UTF16Encoding`
600 * [New] `ES2018`+: add `SetFunctionLength`, `UnicodeEscape`
601 * [New] add `isLeadingSurrogate`/`isTrailingSurrogate` helpers
602 * [Fix] `ES5`+: `ToPropertyDescriptor`: use intrinsic TypeError
603 * [Fix] `ES2018+`: `CopyDataProperties`/`NumberToString`: use intrinsic TypeError
604 * [Deps] update `is-regex`, `object-inspect`
605 * [Dev Deps] update `eslint`
606
6071.17.7 / 2020-09-30
608=================
609 * [Fix] `ES2020`: `ToInteger`: `-0` should always be normalized to `+0` (#116)
610 * [patch] `GetIntrinsic`: Adapt to override-mistake-fix pattern (#115)
611 * [Fix] `callBind`: ensure compatibility with SES
612 * [Deps] update `is-callable`, `is-regex`, `object-inspect`, `object.assign`
613 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`
614
6151.17.6 / 2020-06-13
616=================
617 * [Fix] `helpers/getSymbolDescription`: use the global Symbol registry when available (#92)
618 * [Fix] `ES2015+`: `IsConstructor`: when `Reflect.construct` is available, be spec-accurate (#93)
619 * [Fix] `ES2015+`: `Set`: Always return boolean value (#101)
620 * [Fix] `ES2015+`: `Set`: ensure exceptions are thrown in IE 9 when requested
621 * [Fix] Use `Reflect.apply(…)` if available (#99)
622 * [Fix] `helpers/floor`: module-cache `Math.floor`
623 * [Fix] `helpers/getSymbolDescription`: Prefer bound `description` getter when present
624 * [Fix] `2016`: Use `getIteratorMethod` in `IterableToArrayLike` (#94)
625 * [Fix] `helpers/OwnPropertyKeys`: Use `Reflect.ownKeys(…)` if available (#91)
626 * [Fix] `2018+`: Fix `CopyDataProperties` depending on `this` (#95)
627 * [meta] mark spackled files as autogenerated
628 * [meta] `Type`: fix spec URL
629 * [meta] `ES2015`: complete ops list
630 * [Deps] update `is‑callable`, `is‑regex`
631 * [Deps] switch from `string.prototype.trimleft`/`string.prototype.trimright` to `string.prototype.trimstart`/`string.prototype.trimend`
632 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `in-publish`, `object-is`, `tape`; add `aud`
633 * [eslint] `helpers/isPropertyDescriptor`: fix indentation
634 * [Tests] `helpers/getSymbolDescription`: add test cases; some envs have `Symbol.for` but can not infer a name (#92)
635 * [Tests] try out CodeQL analysis
636 * [Tests] reformat expected missing ops
637 * [Tests] Run tests with `undefined` this (#96)
638
6391.17.5 / 2020-03-22
640=================
641 * [Fix] `CreateDataProperty`: update an existing property
642 * [Fix] run missing spackle from cd7504701879ddea0f5981e99cbcf93bfea9171d
643 * [Dev Deps] update `make-arrow-function`, `tape`, `@ljharb/eslint-config`
644
6451.17.4 / 2020-01-21
646=================
647 * [Fix] `2015+`: add code to handle IE 8’s problems
648 * [Tests] fix tests for IE 8
649
6501.17.3 / 2020-01-19
651=================
652 * [Fix] `ObjectCreate` `2015+`: Fall back to `__proto__` and normal `new` in older browsers
653 * [Fix] `GetIntrinsic`: ensure the `allowMissing` property actually works on dotted intrinsics
654
6551.17.2 / 2020-01-14
656=================
657 * [Fix] `helpers/OwnPropertyKeys`: include non-enumerables too
658
6591.17.1 / 2020-01-14
660=================
661 * [Refactor] add `OwnPropertyKeys` helper, use it in `CopyDataProperties`
662 * [Refactor] `IteratorClose`: remove useless assignment
663 * [Dev Deps] update `eslint`, `tape`, `diff`
664
6651.17.0 / 2019-12-20
666=================
667 * [New] Split up each operation into its own file (prereleased)
668 * [Fix] `GetIntrinsic`: IE 8 has a broken `Object.getOwnPropertyDescriptor`
669 * [Fix] `object.assign` is a runtime dep (prereleased)
670 * [Refactor] `GetIntrinsic`: remove the internal property salts, since % already handles that
671 * [Refactor] `GetIntrinsic`: further simplification
672 * [Deps] update `is-callable`, `string.prototype.trimleft`, `string.prototype.trimright`, `is-regex`
673 * [Dev Deps] update `@ljharb/eslint-config`, `object-is`, `object.fromentries`, `tape`
674 * [Tests] add `.eslintignore`
675 * [meta] remove unused Makefile and associated utils
676 * [meta] only run spackle script in publish (#78) (prereleased)
677
6781.17.0-next.1 / 2019-12-11
679=================
680 * [Fix] `object.assign` is a runtime dep
681 * [meta] only run spackle script in publish (#78)
682
6831.17.0-next.0 / 2019-12-11
684=================
685 * [New] Split up each operation into its own file
686
6871.16.3 / 2019-12-04
688=================
689 * [Fix] `GetIntrinsic`: when given a path to a getter, return the actual getter
690 * [Dev Deps] update `eslint`
691
6921.16.2 / 2019-11-24
693=================
694 * [Fix] IE 6-7 lack JSON
695 * [Fix] IE 6-8 strings can’t use array slice, they need string slice
696 * [Dev Deps] update `eslint`
697
6981.16.1 / 2019-11-24
699=================
700 * [Fix] `GetIntrinsics`: turns out IE 8 throws when `Object.getOwnPropertyDescriptor(arguments);`, and does not throw on `callee` anyways
701 * [Deps] update `es-to-primitive`, `has-symbols`, `object-inspect`
702 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`
703 * [meta] re-include year files inside `operations`
704 * [meta] add `funding` field
705 * [actions] add Automatic Rebase github action
706 * [Tests] use shared travis-ci config
707 * [Tests] disable `check-coverage`, and let codecov do it
708
7091.16.0 / 2019-10-18
710=================
711 * [New] `ES2015+`: add `SetFunctionName`
712 * [New] `ES2015+`: add `GetPrototypeFromConstructor`, with caveats
713 * [New] `ES2015+`: add `CreateListFromArrayLike`
714 * [New] `ES2016+`: add `OrdinarySetPrototypeOf`
715 * [New] `ES2016+`: add `OrdinaryGetPrototypeOf`
716 * [New] add `getSymbolDescription` and `getInferredName` helpers
717 * [Fix] `GetIterator`: add fallback for pre-Symbol environments, tests
718 * [Dev Deps] update `object.fromentries`
719 * [Tests] add `node` `v12.2`
720
7211.15.0 / 2019-10-02
722=================
723 * [New] `ES2018`+: add `DateString`, `TimeString`
724 * [New] `ES2015`+: add `ToDateString`
725 * [New] `ES5`+: add `msFromTime`, `SecFromTime`, `MinFromTime`, `HourFromTime`, `TimeWithinDay`, `Day`, `DayFromYear`, `TimeFromYear`, `YearFromTime`, `WeekDay`, `DaysInYear`, `InLeapYear`, `DayWithinYear`, `MonthFromTime`, `DateFromTime`, `MakeDay`, `MakeDate`, `MakeTime`, `TimeClip`, `modulo`
726 * [New] add `regexTester` helper
727 * [New] add `callBound` helper
728 * [New] add ES2020’s intrinsic dot notation
729 * [New] add `isPrefixOf` helper
730 * [New] add `maxSafeInteger` helper
731 * [Deps] update `string.prototype.trimleft`, `string.prototype.trimright`
732 * [Dev Deps] update `eslint`
733 * [Tests] on `node` `v12.11`
734 * [meta] npmignore operations scripts; add "deltas"
735
7361.14.2 / 2019-09-08
737=================
738 * [Fix] `ES2016`: `IterableToArrayLike`: add proper fallback for strings, pre-Symbols
739 * [Tests] on `node` `v12.10`
740
7411.14.1 / 2019-09-03
742=================
743 * [meta] republish with some extra files removed
744
7451.14.0 / 2019-09-02
746=================
747 * [New] add ES2019
748 * [New] `ES2017+`: add `IterableToList`
749 * [New] `ES2016`: add `IterableToArrayLike`
750 * [New] `ES2015+`: add `ArrayCreate`, `ArraySetLength`, `OrdinaryDefineOwnProperty`, `OrdinaryGetOwnProperty`, `OrdinaryHasProperty`, `CreateHTML`, `GetOwnPropertyKeys`, `InstanceofOperator`, `SymbolDescriptiveString`, `GetSubstitution`, `ValidateAndApplyPropertyDescriptor`, `IsPromise`, `OrdinaryHasInstance`, `TestIntegrityLevel`, `SetIntegrityLevel`
751 * [New] add `callBind` helper, and use it
752 * [New] add helpers: `isPropertyDescriptor`, `every`
753 * [New] ES5+: add `Abstract Relational Comparison`
754 * [New] ES5+: add `Abstract Equality Comparison`, `Strict Equality Comparison`
755 * [Fix] `ES2015+`: `GetIterator`: only require native Symbols when `method` is omitted
756 * [Fix] `ES2015`: `Call`: error message now properly displays Symbols using `object-inspect`
757 * [Fix] `ES2015+`: `ValidateAndApplyPropertyDescriptor`: use ES2017 logic to bypass spec bugs
758 * [Fix] `ES2015+`: `CreateDataProperty`, `DefinePropertyOrThrow`, `ValidateAndApplyPropertyDescriptor`: add fallbacks for ES3
759 * [Fix] `ES2015+`: `FromPropertyDescriptor`: no longer requires a fully complete Property Descriptor
760 * [Fix] `ES5`: `IsPropertyDescriptor`: call into `IsDataDescriptor` and `IsAccessorDescriptor`
761 * [Refactor] use `has-symbols` for Symbol detection
762 * [Fix] `helpers/assertRecord`: remove `console.log`
763 * [Deps] update `object-keys`
764 * [readme] add security note
765 * [meta] change http URLs to https
766 * [meta] linter cleanup
767 * [meta] fix getOps script
768 * [meta] add FUNDING.yml
769 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `semver`, `replace`, `cheerio`, `tape`
770 * [Tests] up to `node` `v12.9`, `v11.15`, `v10.16`, `v8.16`, `v6.17`
771 * [Tests] temporarily allow node 0.6 to fail; segfaulting in travis
772 * [Tests] use the values helper more in es5 tests
773 * [Tests] fix linting to apply to all files
774 * [Tests] run `npx aud` only on prod deps
775 * [Tests] add v.descriptors helpers
776 * [Tests] use `npx aud` instead of `npm audit` with hoops
777 * [Tests] use `eclint` instead of `editorconfig-tools`
778 * [Tests] some intrinsic cleanup
779 * [Tests] migrate es5 tests to use values helper
780 * [Tests] add some missing ES2015 ops
781
7821.13.0 / 2019-01-02
783=================
784 * [New] add ES2018
785 * [New] add ES2015/ES2016: EnumerableOwnNames; ES2017: EnumerableOwnProperties
786 * [New] `ES2015+`: add `thisBooleanValue`, `thisNumberValue`, `thisStringValue`, `thisTimeValue`
787 * [New] `ES2015+`: add `DefinePropertyOrThrow`, `DeletePropertyOrThrow`, `CreateMethodProperty`
788 * [New] add `assertRecord` helper
789 * [Deps] update `is-callable`, `has`, `object-keys`, `es-to-primitive`
790 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `semver`, `safe-publish-latest`, `replace`
791 * [Tests] use `npm audit` instead of `nsp`
792 * [Tests] remove `jscs`
793 * [Tests] up to `node` `v11.6`, `v10.15`, `v8.15`, `v6.16`
794 * [Tests] move descriptor factories to `values` helper
795 * [Tests] add `getOps` to programmatically fetch abstract operation names
796
7971.12.0 / 2018-05-31
798=================
799 * [New] add `GetIntrinsic` entry point
800 * [New] `ES2015`+: add `ObjectCreate`
801 * [Robustness]: `ES2015+`: ensure `Math.{abs,floor}` and `Function.call` are cached
802
8031.11.0 / 2018-03-21
804=================
805 * [New] `ES2015+`: add iterator abstract ops
806 * [Dev Deps] update `eslint`, `nsp`, `object.assign`, `semver`, `tape`
807 * [Tests] up to `node` `v9.8`, `v8.10`, `v6.13`
808
8091.10.0 / 2017-11-24
810=================
811 * [New] ES2015+: `AdvanceStringIndex`
812 * [Dev Deps] update `eslint`, `nsp`
813 * [Tests] require node 0.6 to pass again
814 * [Tests] up to `node` `v9.2`, `v8.9`, `v6.12`; use `nvm install-latest-npm`; pin included builds to LTS
815
8161.9.0 / 2017-09-30
817=================
818 * [New] `es2015+`: add `ArraySpeciesCreate`
819 * [New] ES2015+: add `CreateDataProperty` and `CreateDataPropertyOrThrow`
820 * [Tests] consolidate duplicated tests
821 * [Tests] increase coverage
822 * [Dev Deps] update `nsp`, `eslint`
823
8241.8.2 / 2017-09-03
825=================
826 * [Fix] `es2015`+: `ToNumber`: provide the proper hint for Date objects (#27)
827 * [Dev Deps] update `eslint`
828
8291.8.1 / 2017-08-30
830=================
831 * [Fix] ES2015+: `ToPropertyKey`: should return a symbol for Symbols (#26)
832 * [Deps] update `function-bind`
833 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`
834 * [Docs] github broke markdown parsing
835
8361.8.0 / 2017-08-04
837=================
838 * [New] add ES2017
839 * [New] move es6+ to es2015+; leave es6/es7 as aliases
840 * [New] ES5+: add `IsPropertyDescriptor`, `IsAccessorDescriptor`, `IsDataDescriptor`, `IsGenericDescriptor`, `FromPropertyDescriptor`, `ToPropertyDescriptor`
841 * [New] ES2015+: add `CompletePropertyDescriptor`, `Set`, `HasOwnProperty`, `HasProperty`, `IsConcatSpreadable`, `Invoke`, `CreateIterResultObject`, `RegExpExec`
842 * [Fix] es7/es2016: do not mutate ES6
843 * [Fix] assign helper only supports one source
844 * [Deps] update `is-regex`
845 * [Dev Deps] update `nsp`, `eslint`, `@ljharb/eslint-config`
846 * [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `nsp`, `semver`, `tape`
847 * [Tests] add tests for missing and excess operations
848 * [Tests] add codecov for coverage
849 * [Tests] up to `node` `v8.2`, `v7.10`, `v6.11`, `v4.8`; newer npm breaks on older node
850 * [Tests] use same lists of value types across tests; ensure tests are the same when ops are the same
851 * [Tests] ES2015: add ToNumber symbol tests
852 * [Tests] switch to `nyc` for code coverage
853 * [Tests] make IsRegExp tests consistent across editions
854
8551.7.0 / 2017-01-22
856=================
857 * [New] ES6: Add `GetMethod` (#16)
858 * [New] ES6: Add `GetV` (#16)
859 * [New] ES6: Add `Get` (#17)
860 * [Tests] up to `node` `v7.4`, `v6.9`, `v4.6`; improve test matrix
861 * [Dev Deps] update `tape`, `nsp`, `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`
862
8631.6.1 / 2016-08-21
864=================
865 * [Fix] ES6: IsConstructor should return true for `class` constructors.
866
8671.6.0 / 2016-08-20
868=================
869 * [New] ES5 / ES6: add `Type`
870 * [New] ES6: `SpeciesConstructor`
871 * [Dev Deps] update `jscs`, `nsp`, `eslint`, `@ljharb/eslint-config`, `semver`; add `safe-publish-latest`
872 * [Tests] up to `node` `v6.4`, `v5.12`, `v4.5`
873
8741.5.1 / 2016-05-30
875=================
876 * [Fix] `ES.IsRegExp`: actually look up `Symbol.match` on the argument
877 * [Refactor] create `isNaN` helper
878 * [Deps] update `is-callable`, `function-bind`
879 * [Deps] update `es-to-primitive`, fix ES5 tests
880 * [Dev Deps] update `jscs`, `eslint`, `@ljharb/eslint-config`, `tape`, `nsp`
881 * [Tests] up to `node` `v6.2`, `v5.11`, `v4.4`
882 * [Tests] use pretest/posttest for linting/security
883
8841.5.0 / 2015-12-27
885=================
886 * [New] adds `Symbol.toPrimitive` support via `es-to-primitive`
887 * [Deps] update `is-callable`, `es-to-primitive`
888 * [Dev Deps] update `jscs`, `nsp`, `eslint`, `@ljharb/eslint-config`, `semver`, `tape`
889 * [Tests] up to `node` `v5.3`
890
8911.4.3 / 2015-11-04
892=================
893 * [Fix] `ES6.ToNumber`: should give `NaN` for explicitly signed hex strings (#4)
894 * [Refactor] `ES6.ToNumber`: No need to double-trim
895 * [Refactor] group tests better
896 * [Tests] should still pass on `node` `v0.8`
897
8981.4.2 / 2015-11-02
899=================
900 * [Fix] ensure `ES.ToNumber` trims whitespace, and does not trim non-whitespace (#3)
901
9021.4.1 / 2015-10-31
903=================
904 * [Fix] ensure only 0-1 are valid binary and 0-7 are valid octal digits (#2)
905 * [Dev Deps] update `tape`, `jscs`, `nsp`, `eslint`, `@ljharb/eslint-config`
906 * [Tests] on `node` `v5.0`
907 * [Tests] fix npm upgrades for older node versions
908 * package.json: use object form of "authors", add "contributors"
909
9101.4.0 / 2015-09-26
911=================
912 * [Deps] update `is-callable`
913 * [Dev Deps] update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config`
914 * [Tests] on `node` `v4.2`
915 * [New] Add `SameValueNonNumber` to ES7
916
9171.3.2 / 2015-09-26
918=================
919 * [Fix] Fix `ES6.IsRegExp` to properly handle `Symbol.match`, per spec.
920 * [Tests] up to `io.js` `v3.3`, `node` `v4.1`
921 * [Dev Deps] update `tape`, `jscs`, `nsp`, `eslint`, `@ljharb/eslint-config`, `semver`
922
9231.3.1 / 2015-08-15
924=================
925 * [Fix] Ensure that objects that `toString` to a binary or octal literal also convert properly
926
9271.3.0 / 2015-08-15
928=================
929 * [New] ES6’s ToNumber now supports binary and octal literals.
930 * [Dev Deps] update `jscs`, `eslint`, `@ljharb/eslint-config`, `tape`
931 * [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG
932 * [Tests] up to `io.js` `v3.0`
933
9341.2.2 / 2015-07-28
935=================
936 * [Fix] Both `ES5.CheckObjectCoercible` and `ES6.RequireObjectCoercible` return the value if they don't throw.
937 * [Tests] Test on latest `io.js` versions.
938 * [Dev Deps] Update `eslint`, `jscs`, `tape`, `semver`, `covert`, `nsp`
939
9401.2.1 / 2015-03-20
941=================
942 * Fix `isFinite` helper.
943
9441.2.0 / 2015-03-19
945=================
946 * Use `es-to-primitive` for ToPrimitive methods.
947 * Test on latest `io.js` versions; allow failures on all but 2 latest `node`/`io.js` versions.
948
9491.1.2 / 2015-03-20
950=================
951 * Fix isFinite helper.
952
9531.1.1 / 2015-03-19
954=================
955 * Fix isPrimitive check for functions
956 * Update `eslint`, `editorconfig-tools`, `semver`, `nsp`
957
9581.1.0 / 2015-02-17
959=================
960 * Add ES7 export (non-default).
961 * All grade A-supported `node`/`iojs` versions now ship with an `npm` that understands `^`.
962 * Test on `iojs-v1.2`.
963
9641.0.1 / 2015-01-30
965=================
966 * Use `is-callable` instead of an internal function.
967 * Update `tape`, `jscs`, `nsp`, `eslint`
968
9691.0.0 / 2015-01-10
970=================
971 * v1.0.0
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