core-js-pure - npm Package Compare versions

Comparing version 3.8.3 to 3.9.0

es/json/stringify.js

@@ -6,5 +6,5 @@ require('../../modules/es.json.stringify');
 
-// eslint-disable-next-line no-unused-vars
+// eslint-disable-next-line no-unused-vars -- required for `.length`
 module.exports = function stringify(it, replacer, space) {
   return core.JSON.stringify.apply(null, arguments);
 };

features/array/index.js

@@ -5,2 +5,4 @@ var parent = require('../../es/array');
 require('../../modules/esnext.array.filter-out');
+require('../../modules/esnext.array.find-last');
+require('../../modules/esnext.array.find-last-index');
 require('../../modules/esnext.array.is-template-object');
@@ -7,0 +9,0 @@ require('../../modules/esnext.array.last-item');

features/array/virtual/index.js

 var parent = require('../../../es/array/virtual');
+require('../../../modules/es.map');
 require('../../../modules/esnext.array.at');
 require('../../../modules/esnext.array.filter-out');
+require('../../../modules/esnext.array.find-last');
+require('../../../modules/esnext.array.find-last-index');
 require('../../../modules/esnext.array.unique-by');
 
 module.exports = parent;

features/typed-array/index.js

 var parent = require('../../es/typed-array');
+require('../../modules/es.map');
 require('../../modules/esnext.typed-array.at');
 require('../../modules/esnext.typed-array.filter-out');
+require('../../modules/esnext.typed-array.find-last');
+require('../../modules/esnext.typed-array.find-last-index');
+require('../../modules/esnext.typed-array.unique-by');
 
 module.exports = parent;

internals/array-for-each.js

 'use strict';
 var $forEach = require('../internals/array-iteration').forEach;
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var STRICT_METHOD = arrayMethodIsStrict('forEach');
-var USES_TO_LENGTH = arrayMethodUsesToLength('forEach');
 
 // `Array.prototype.forEach` method implementation
 // https://tc39.es/ecma262/#sec-array.prototype.foreach
-module.exports = (!STRICT_METHOD || !USES_TO_LENGTH) ? function forEach(callbackfn /* , thisArg */) {
+module.exports = !STRICT_METHOD ? function forEach(callbackfn /* , thisArg */) {
   return $forEach(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);
 } : [].forEach;

internals/array-includes.js

@@ -13,6 +13,6 @@ var toIndexedObject = require('../internals/to-indexed-object');
     // Array#includes uses SameValueZero equality algorithm
-    // eslint-disable-next-line no-self-compare
+    // eslint-disable-next-line no-self-compare -- NaN check
     if (IS_INCLUDES && el != el) while (length > index) {
       value = O[index++];
-      // eslint-disable-next-line no-self-compare
+      // eslint-disable-next-line no-self-compare -- NaN check
       if (value != value) return true;
@@ -19,0 +19,0 @@ // Array#indexOf ignores holes, Array#includes - not

internals/array-last-index-of.js

@@ -6,3 +6,2 @@ 'use strict';
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
@@ -13,5 +12,3 @@ var min = Math.min;
 var STRICT_METHOD = arrayMethodIsStrict('lastIndexOf');
-// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
-var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
-var FORCED = NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH;
+var FORCED = NEGATIVE_ZERO || !STRICT_METHOD;
 
@@ -18,0 +15,0 @@ // `Array.prototype.lastIndexOf` method implementation

internals/array-method-is-strict.js

@@ -7,5 +7,5 @@ 'use strict';
   return !!method && fails(function () {
-    // eslint-disable-next-line no-useless-call,no-throw-literal
+    // eslint-disable-next-line no-useless-call,no-throw-literal -- required for testing
     method.call(null, argument || function () { throw 1; }, 1);
   });
 };

internals/async-iterator-prototype.js

@@ -22,3 +22,3 @@ var global = require('../internals/global');
     try {
-      // eslint-disable-next-line no-new-func
+      // eslint-disable-next-line no-new-func -- we have no alternatives without usage of modern syntax
       prototype = getPrototypeOf(getPrototypeOf(getPrototypeOf(Function('return async function*(){}()')())));
@@ -25,0 +25,0 @@ if (getPrototypeOf(prototype) === Object.prototype) AsyncIteratorPrototype = prototype;

internals/check-correctness-of-iteration.js

@@ -19,3 +19,3 @@ var wellKnownSymbol = require('../internals/well-known-symbol');
   };
-  // eslint-disable-next-line no-throw-literal
+  // eslint-disable-next-line no-throw-literal -- required for testing
   Array.from(iteratorWithReturn, function () { throw 2; });
@@ -22,0 +22,0 @@ } catch (error) { /* empty */ }

internals/function-bind.js

@@ -11,3 +11,3 @@ 'use strict';
     for (var list = [], i = 0; i < argsLength; i++) list[i] = 'a[' + i + ']';
-    // eslint-disable-next-line no-new-func
+    // eslint-disable-next-line no-new-func -- we have no proper alternatives, IE8- only
     factories[argsLength] = Function('C,a', 'return new C(' + list.join(',') + ')');
@@ -14,0 +14,0 @@ } return factories[argsLength](C, args);

internals/get-map-iterator.js

@@ -5,4 +5,4 @@ var IS_PURE = require('../internals/is-pure');
 module.exports = IS_PURE ? getIterator : function (it) {
-  // eslint-disable-next-line no-undef
+  // eslint-disable-next-line no-undef -- safe
   return Map.prototype.entries.call(it);
 };

internals/get-set-iterator.js

@@ -5,4 +5,4 @@ var IS_PURE = require('../internals/is-pure');
 module.exports = IS_PURE ? getIterator : function (it) {
-  // eslint-disable-next-line no-undef
+  // eslint-disable-next-line no-undef -- safe
   return Set.prototype.values.call(it);
 };

internals/global.js

@@ -7,3 +7,3 @@ var check = function (it) {
 module.exports =
-  // eslint-disable-next-line no-undef
+  /* global globalThis -- safe */
   check(typeof globalThis == 'object' && globalThis) ||
@@ -13,3 +13,3 @@ check(typeof window == 'object' && window) ||
   check(typeof global == 'object' && global) ||
-  // eslint-disable-next-line no-new-func
+  // eslint-disable-next-line no-new-func -- fallback
   (function () { return this; })() || Function('return this')();

internals/ieee754.js

 // IEEE754 conversions based on https://github.com/feross/ieee754
-// eslint-disable-next-line no-shadow-restricted-names
-var Infinity = 1 / 0;
 var abs = Math.abs;
@@ -20,5 +18,5 @@ var pow = Math.pow;
   number = abs(number);
-  // eslint-disable-next-line no-self-compare
+  // eslint-disable-next-line no-self-compare -- NaN check
   if (number != number || number === Infinity) {
-    // eslint-disable-next-line no-self-compare
+    // eslint-disable-next-line no-self-compare -- NaN check
     mantissa = number != number ? 1 : 0;
@@ -25,0 +23,0 @@ exponent = eMax;

internals/indexed-object.js

@@ -9,3 +9,3 @@ var fails = require('../internals/fails');
   // throws an error in rhino, see https://github.com/mozilla/rhino/issues/346
-  // eslint-disable-next-line no-prototype-builtins
+  // eslint-disable-next-line no-prototype-builtins -- safe
   return !Object('z').propertyIsEnumerable(0);
@@ -12,0 +12,0 @@ }) ? function (it) {

internals/is-iterable.js

@@ -11,4 +11,4 @@ var classof = require('../internals/classof');
     || '@@iterator' in O
-    // eslint-disable-next-line no-prototype-builtins
+    // eslint-disable-next-line no-prototype-builtins -- safe
     || Iterators.hasOwnProperty(classof(O));
 };

internals/math-fround.js

@@ -23,5 +23,5 @@ var sign = require('../internals/math-sign');
   result = a - (a - $abs);
-  // eslint-disable-next-line no-self-compare
+  // eslint-disable-next-line no-self-compare -- NaN check
   if (result > MAX32 || result != result) return $sign * Infinity;
   return $sign * result;
 };

internals/math-scale.js

@@ -6,3 +6,3 @@ // `Math.scale` method implementation
     arguments.length === 0
-      /* eslint-disable no-self-compare */
+      /* eslint-disable no-self-compare -- NaN check */
       || x != x
@@ -13,3 +13,3 @@ || inLow != inLow
       || outHigh != outHigh
-      /* eslint-enable no-self-compare */
+      /* eslint-enable no-self-compare -- NaN check */
   ) return NaN;
@@ -16,0 +16,0 @@ if (x === Infinity || x === -Infinity) return x;

internals/math-sign.js

 // `Math.sign` method implementation
 // https://tc39.es/ecma262/#sec-math.sign
 module.exports = Math.sign || function sign(x) {
-  // eslint-disable-next-line no-self-compare
+  // eslint-disable-next-line no-self-compare -- NaN check
   return (x = +x) == 0 || x != x ? x : x < 0 ? -1 : 1;
 };

internals/native-symbol.js

@@ -5,4 +5,4 @@ var fails = require('../internals/fails');
   // Chrome 38 Symbol has incorrect toString conversion
-  // eslint-disable-next-line no-undef
+  /* global Symbol -- required for testing */
   return !String(Symbol());
 });

internals/object-assign.js

@@ -29,3 +29,3 @@ 'use strict';
   var B = {};
-  // eslint-disable-next-line no-undef
+  /* global Symbol -- required for testing */
   var symbol = Symbol();
@@ -36,3 +36,3 @@ var alphabet = 'abcdefghijklmnopqrst';
   return nativeAssign({}, A)[symbol] != 7 || objectKeys(nativeAssign({}, B)).join('') != alphabet;
-}) ? function assign(target, source) { // eslint-disable-line no-unused-vars
+}) ? function assign(target, source) { // eslint-disable-line no-unused-vars -- required for `.length`
   var T = toObject(target);
@@ -39,0 +39,0 @@ var argumentsLength = arguments.length;

internals/object-create.js

@@ -55,3 +55,3 @@ var anObject = require('../internals/an-object');
   try {
-    /* global ActiveXObject */
+    /* global ActiveXObject -- old IE */
     activeXDocument = document.domain && new ActiveXObject('htmlfile');
@@ -58,0 +58,0 @@ } catch (error) { /* ignore */ }

internals/object-prototype-accessors-forced.js

@@ -10,5 +10,5 @@ 'use strict';
   // In FF throws only define methods
-  // eslint-disable-next-line no-undef, no-useless-call
+  // eslint-disable-next-line no-undef, no-useless-call -- required for testing
   __defineSetter__.call(null, key, function () { /* empty */ });
   delete global[key];
 });

internals/object-set-prototype-of.js

@@ -0,1 +1,2 @@
+/* eslint-disable no-proto -- safe */
 var anObject = require('../internals/an-object');
@@ -7,3 +8,2 @@ var aPossiblePrototype = require('../internals/a-possible-prototype');
 // Works with __proto__ only. Old v8 can't work with null proto objects.
-/* eslint-disable no-proto */
 module.exports = Object.setPrototypeOf || ('__proto__' in {} ? function () {
@@ -10,0 +10,0 @@ var CORRECT_SETTER = false;

internals/range-iterator.js

@@ -43,3 +43,3 @@ 'use strict';
   }
-  // eslint-disable-next-line no-self-compare
+  // eslint-disable-next-line no-self-compare -- NaN check
   var hitsEnd = start != start || end != end || step != step || (end > start) !== (step > zero);
@@ -46,0 +46,0 @@ setInternalState(this, {

internals/same-value-zero.js

 // `SameValueZero` abstract operation
 // https://tc39.es/ecma262/#sec-samevaluezero
 module.exports = function (x, y) {
-  // eslint-disable-next-line no-self-compare
+  // eslint-disable-next-line no-self-compare -- NaN check
   return x === y || x != x && y != y;
 };

internals/same-value.js

 // `SameValue` abstract operation
 // https://tc39.es/ecma262/#sec-samevalue
 module.exports = Object.is || function is(x, y) {
-  // eslint-disable-next-line no-self-compare
+  // eslint-disable-next-line no-self-compare -- NaN check
   return x === y ? x !== 0 || 1 / x === 1 / y : x != x && y != y;
 };

internals/shared.js

@@ -7,5 +7,5 @@ var IS_PURE = require('../internals/is-pure');
 })('versions', []).push({
-  version: '3.8.3',
+  version: '3.9.0',
   mode: IS_PURE ? 'pure' : 'global',
   copyright: '© 2021 Denis Pushkarev (zloirock.ru)'
 });

internals/string-pad-webkit-bug.js

 // https://github.com/zloirock/core-js/issues/280
 var userAgent = require('../internals/engine-user-agent');
 
-// eslint-disable-next-line unicorn/no-unsafe-regex
+// eslint-disable-next-line unicorn/no-unsafe-regex -- safe
 module.exports = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);

internals/string-punycode-to-ascii.js

@@ -77,3 +77,3 @@ 'use strict';
  */
-// eslint-disable-next-line  max-statements
+// eslint-disable-next-line max-statements -- TODO
 var encode = function (input) {
@@ -80,0 +80,0 @@ var output = [];

internals/task.js

@@ -21,3 +21,3 @@ var global = require('../internals/global');
 var run = function (id) {
-  // eslint-disable-next-line no-prototype-builtins
+  // eslint-disable-next-line no-prototype-builtins -- safe
   if (queue.hasOwnProperty(id)) {
@@ -52,3 +52,3 @@ var fn = queue[id];
     queue[++counter] = function () {
-      // eslint-disable-next-line no-new-func
+      // eslint-disable-next-line no-new-func -- spec requirement
       (typeof fn == 'function' ? fn : Function(fn)).apply(undefined, args);
@@ -55,0 +55,0 @@ };

internals/typed-array-constructors-require-wrappers.js

@@ -1,22 +0,1 @@
-/* eslint-disable no-new */
-var global = require('../internals/global');
-var fails = require('../internals/fails');
-var checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');
-var NATIVE_ARRAY_BUFFER_VIEWS = require('../internals/array-buffer-view-core').NATIVE_ARRAY_BUFFER_VIEWS;
-
-var ArrayBuffer = global.ArrayBuffer;
-var Int8Array = global.Int8Array;
-
-module.exports = !NATIVE_ARRAY_BUFFER_VIEWS || !fails(function () {
-  Int8Array(1);
-}) || !fails(function () {
-  new Int8Array(-1);
-}) || !checkCorrectnessOfIteration(function (iterable) {
-  new Int8Array();
-  new Int8Array(null);
-  new Int8Array(1.5);
-  new Int8Array(iterable);
-}, true) || fails(function () {
-  // Safari (11+) bug - a reason why even Safari 13 should load a typed array polyfill
-  return new Int8Array(new ArrayBuffer(2), 1, undefined).length !== 1;
-});
+// empty

internals/use-symbol-as-uid.js

 var NATIVE_SYMBOL = require('../internals/native-symbol');
 
 module.exports = NATIVE_SYMBOL
-  // eslint-disable-next-line no-undef
+  /* global Symbol -- safe */
   && !Symbol.sham
-  // eslint-disable-next-line no-undef
   && typeof Symbol.iterator == 'symbol';

internals/whitespaces.js

 // a string of all valid unicode whitespaces
-// eslint-disable-next-line max-len
-module.exports = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';
+module.exports = '\u0009\u000A\u000B\u000C\u000D\u0020\u00A0\u1680\u2000\u2001\u2002' +
+  '\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028\u2029\uFEFF';

modules/es.aggregate-error.js

@@ -14,3 +14,3 @@ 'use strict';
   if (setPrototypeOf) {
-    // eslint-disable-next-line unicorn/error-message
+    // eslint-disable-next-line unicorn/error-message -- expected
     that = setPrototypeOf(new Error(undefined), getPrototypeOf(that));
@@ -17,0 +17,0 @@ }

modules/es.array.concat.js

@@ -41,3 +41,4 @@ 'use strict';
 $({ target: 'Array', proto: true, forced: FORCED }, {
-  concat: function concat(arg) { // eslint-disable-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
+  concat: function concat(arg) {
     var O = toObject(this);
@@ -44,0 +45,0 @@ var A = arraySpeciesCreate(O, 0);

modules/es.array.every.js

@@ -5,10 +5,8 @@ 'use strict';
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var STRICT_METHOD = arrayMethodIsStrict('every');
-var USES_TO_LENGTH = arrayMethodUsesToLength('every');
 
 // `Array.prototype.every` method
 // https://tc39.es/ecma262/#sec-array.prototype.every
-$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD }, {
   every: function every(callbackfn /* , thisArg */) {
@@ -15,0 +13,0 @@ return $every(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.filter.js

@@ -5,7 +5,4 @@ 'use strict';
 var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('filter');
-// Edge 14- issue
-var USES_TO_LENGTH = arrayMethodUsesToLength('filter');
 
@@ -15,3 +12,3 @@ // `Array.prototype.filter` method
 // with adding support of @@species
-$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
   filter: function filter(callbackfn /* , thisArg */) {
@@ -18,0 +15,0 @@ return $filter(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.find-index.js

@@ -5,3 +5,2 @@ 'use strict';
 var addToUnscopables = require('../internals/add-to-unscopables');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
@@ -11,4 +10,2 @@ var FIND_INDEX = 'findIndex';
 
-var USES_TO_LENGTH = arrayMethodUsesToLength(FIND_INDEX);
-
 // Shouldn't skip holes
@@ -19,3 +16,3 @@ if (FIND_INDEX in []) Array(1)[FIND_INDEX](function () { SKIPS_HOLES = false; });
 // https://tc39.es/ecma262/#sec-array.prototype.findindex
-$({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: SKIPS_HOLES }, {
   findIndex: function findIndex(callbackfn /* , that = undefined */) {
@@ -22,0 +19,0 @@ return $findIndex(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.find.js

@@ -5,3 +5,2 @@ 'use strict';
 var addToUnscopables = require('../internals/add-to-unscopables');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
@@ -11,4 +10,2 @@ var FIND = 'find';
 
-var USES_TO_LENGTH = arrayMethodUsesToLength(FIND);
-
 // Shouldn't skip holes
@@ -19,3 +16,3 @@ if (FIND in []) Array(1)[FIND](function () { SKIPS_HOLES = false; });
 // https://tc39.es/ecma262/#sec-array.prototype.find
-$({ target: 'Array', proto: true, forced: SKIPS_HOLES || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: SKIPS_HOLES }, {
   find: function find(callbackfn /* , that = undefined */) {
@@ -22,0 +19,0 @@ return $find(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.includes.js

@@ -5,9 +5,6 @@ 'use strict';
 var addToUnscopables = require('../internals/add-to-unscopables');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
-var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
-
 // `Array.prototype.includes` method
 // https://tc39.es/ecma262/#sec-array.prototype.includes
-$({ target: 'Array', proto: true, forced: !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true }, {
   includes: function includes(el /* , fromIndex = 0 */) {
@@ -14,0 +11,0 @@ return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.index-of.js

@@ -5,3 +5,2 @@ 'use strict';
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
@@ -12,7 +11,6 @@ var nativeIndexOf = [].indexOf;
 var STRICT_METHOD = arrayMethodIsStrict('indexOf');
-var USES_TO_LENGTH = arrayMethodUsesToLength('indexOf', { ACCESSORS: true, 1: 0 });
 
 // `Array.prototype.indexOf` method
 // https://tc39.es/ecma262/#sec-array.prototype.indexof
-$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: NEGATIVE_ZERO || !STRICT_METHOD }, {
   indexOf: function indexOf(searchElement /* , fromIndex = 0 */) {
@@ -19,0 +17,0 @@ return NEGATIVE_ZERO

modules/es.array.map.js

@@ -5,7 +5,4 @@ 'use strict';
 var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('map');
-// FF49- issue
-var USES_TO_LENGTH = arrayMethodUsesToLength('map');
 
@@ -15,3 +12,3 @@ // `Array.prototype.map` method
 // with adding support of @@species
-$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
   map: function map(callbackfn /* , thisArg */) {
@@ -18,0 +15,0 @@ return $map(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.reduce-right.js

@@ -5,3 +5,2 @@ 'use strict';
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 var CHROME_VERSION = require('../internals/engine-v8-version');
@@ -11,4 +10,2 @@ var IS_NODE = require('../internals/engine-is-node');
 var STRICT_METHOD = arrayMethodIsStrict('reduceRight');
-// For preventing possible almost infinite loop in non-standard implementations, test the forward version of the method
-var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', { 1: 0 });
 // Chrome 80-82 has a critical bug
@@ -20,3 +17,3 @@ // https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
 // https://tc39.es/ecma262/#sec-array.prototype.reduceright
-$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH || CHROME_BUG }, {
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || CHROME_BUG }, {
   reduceRight: function reduceRight(callbackfn /* , initialValue */) {
@@ -23,0 +20,0 @@ return $reduceRight(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.reduce.js

@@ -5,3 +5,2 @@ 'use strict';
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 var CHROME_VERSION = require('../internals/engine-v8-version');
@@ -11,3 +10,2 @@ var IS_NODE = require('../internals/engine-is-node');
 var STRICT_METHOD = arrayMethodIsStrict('reduce');
-var USES_TO_LENGTH = arrayMethodUsesToLength('reduce', { 1: 0 });
 // Chrome 80-82 has a critical bug
@@ -19,3 +17,3 @@ // https://bugs.chromium.org/p/chromium/issues/detail?id=1049982
 // https://tc39.es/ecma262/#sec-array.prototype.reduce
-$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH || CHROME_BUG }, {
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD || CHROME_BUG }, {
   reduce: function reduce(callbackfn /* , initialValue */) {
@@ -22,0 +20,0 @@ return $reduce(this, callbackfn, arguments.length, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.reverse.js

@@ -14,3 +14,3 @@ 'use strict';
   reverse: function reverse() {
-    // eslint-disable-next-line no-self-assign
+    // eslint-disable-next-line no-self-assign -- dirty hack
     if (isArray(this)) this.length = this.length;
@@ -17,0 +17,0 @@ return nativeReverse.call(this);

modules/es.array.slice.js

@@ -11,6 +11,4 @@ 'use strict';
 var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('slice');
-var USES_TO_LENGTH = arrayMethodUsesToLength('slice', { ACCESSORS: true, 0: 0, 1: 2 });
 
@@ -24,3 +22,3 @@ var SPECIES = wellKnownSymbol('species');
 // fallback for not array-like ES3 strings and DOM objects
-$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
   slice: function slice(start, end) {
@@ -27,0 +25,0 @@ var O = toIndexedObject(this);

modules/es.array.some.js

@@ -5,10 +5,8 @@ 'use strict';
 var arrayMethodIsStrict = require('../internals/array-method-is-strict');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var STRICT_METHOD = arrayMethodIsStrict('some');
-var USES_TO_LENGTH = arrayMethodUsesToLength('some');
 
 // `Array.prototype.some` method
 // https://tc39.es/ecma262/#sec-array.prototype.some
-$({ target: 'Array', proto: true, forced: !STRICT_METHOD || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: !STRICT_METHOD }, {
   some: function some(callbackfn /* , thisArg */) {
@@ -15,0 +13,0 @@ return $some(this, callbackfn, arguments.length > 1 ? arguments[1] : undefined);

modules/es.array.splice.js

@@ -10,6 +10,4 @@ 'use strict';
 var arrayMethodHasSpeciesSupport = require('../internals/array-method-has-species-support');
-var arrayMethodUsesToLength = require('../internals/array-method-uses-to-length');
 
 var HAS_SPECIES_SUPPORT = arrayMethodHasSpeciesSupport('splice');
-var USES_TO_LENGTH = arrayMethodUsesToLength('splice', { ACCESSORS: true, 0: 0, 1: 2 });
 
@@ -24,3 +22,3 @@ var max = Math.max;
 // with adding support of @@species
-$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT || !USES_TO_LENGTH }, {
+$({ target: 'Array', proto: true, forced: !HAS_SPECIES_SUPPORT }, {
   splice: function splice(start, deleteCount /* , ...items */) {
@@ -27,0 +25,0 @@ var O = toObject(this);

modules/es.date.to-json.js

@@ -17,3 +17,3 @@ 'use strict';
 $({ target: 'Date', proto: true, forced: FORCED }, {
-  // eslint-disable-next-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
   toJSON: function toJSON(key) {
@@ -20,0 +20,0 @@ var O = toObject(this);

modules/es.json.stringify.js

@@ -28,3 +28,3 @@ var $ = require('../internals/export');
   $({ target: 'JSON', stat: true, forced: FORCED }, {
-    // eslint-disable-next-line no-unused-vars
+    // eslint-disable-next-line no-unused-vars -- required for `.length`
     stringify: function stringify(it, replacer, space) {
@@ -31,0 +31,0 @@ var result = $stringify.apply(null, arguments);

modules/es.math.hypot.js

@@ -14,3 +14,4 @@ var $ = require('../internals/export');
 $({ target: 'Math', stat: true, forced: BUGGY }, {
-  hypot: function hypot(value1, value2) { // eslint-disable-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
+  hypot: function hypot(value1, value2) {
     var sum = 0;
@@ -17,0 +18,0 @@ var i = 0;

modules/es.number.is-nan.js

@@ -7,5 +7,5 @@ var $ = require('../internals/export');
   isNaN: function isNaN(number) {
-    // eslint-disable-next-line no-self-compare
+    // eslint-disable-next-line no-self-compare -- NaN check
     return number != number;
   }
 });

modules/es.number.to-fixed.js

@@ -28,2 +28,33 @@ 'use strict';
 
+var multiply = function (data, n, c) {
+  var index = -1;
+  var c2 = c;
+  while (++index < 6) {
+    c2 += n * data[index];
+    data[index] = c2 % 1e7;
+    c2 = floor(c2 / 1e7);
+  }
+};
+
+var divide = function (data, n) {
+  var index = 6;
+  var c = 0;
+  while (--index >= 0) {
+    c += data[index];
+    data[index] = floor(c / n);
+    c = (c % n) * 1e7;
+  }
+};
+
+var dataToString = function (data) {
+  var index = 6;
+  var s = '';
+  while (--index >= 0) {
+    if (s !== '' || index === 0 || data[index] !== 0) {
+      var t = String(data[index]);
+      s = s === '' ? t : s + repeat.call('0', 7 - t.length) + t;
+    }
+  } return s;
+};
+
 var FORCED = nativeToFixed && (
@@ -42,3 +73,2 @@ 0.00008.toFixed(3) !== '0.000' ||
 $({ target: 'Number', proto: true, forced: FORCED }, {
-  // eslint-disable-next-line max-statements
   toFixed: function toFixed(fractionDigits) {
@@ -52,35 +82,4 @@ var number = thisNumberValue(this);
 
-    var multiply = function (n, c) {
-      var index = -1;
-      var c2 = c;
-      while (++index < 6) {
-        c2 += n * data[index];
-        data[index] = c2 % 1e7;
-        c2 = floor(c2 / 1e7);
-      }
-    };
-
-    var divide = function (n) {
-      var index = 6;
-      var c = 0;
-      while (--index >= 0) {
-        c += data[index];
-        data[index] = floor(c / n);
-        c = (c % n) * 1e7;
-      }
-    };
-
-    var dataToString = function () {
-      var index = 6;
-      var s = '';
-      while (--index >= 0) {
-        if (s !== '' || index === 0 || data[index] !== 0) {
-          var t = String(data[index]);
-          s = s === '' ? t : s + repeat.call('0', 7 - t.length) + t;
-        }
-      } return s;
-    };
-
     if (fractDigits < 0 || fractDigits > 20) throw RangeError('Incorrect fraction digits');
-    // eslint-disable-next-line no-self-compare
+    // eslint-disable-next-line no-self-compare -- NaN check
     if (number != number) return 'NaN';
@@ -98,22 +97,22 @@ if (number <= -1e21 || number >= 1e21) return String(number);
       if (e > 0) {
-        multiply(0, z);
+        multiply(data, 0, z);
         j = fractDigits;
         while (j >= 7) {
-          multiply(1e7, 0);
+          multiply(data, 1e7, 0);
           j -= 7;
         }
-        multiply(pow(10, j, 1), 0);
+        multiply(data, pow(10, j, 1), 0);
         j = e - 1;
         while (j >= 23) {
-          divide(1 << 23);
+          divide(data, 1 << 23);
           j -= 23;
         }
-        divide(1 << j);
-        multiply(1, 1);
-        divide(2);
-        result = dataToString();
+        divide(data, 1 << j);
+        multiply(data, 1, 1);
+        divide(data, 2);
+        result = dataToString(data);
       } else {
-        multiply(0, z);
-        multiply(1 << -e, 0);
-        result = dataToString() + repeat.call('0', fractDigits);
+        multiply(data, 0, z);
+        multiply(data, 1 << -e, 0);
+        result = dataToString(data) + repeat.call('0', fractDigits);
       }
@@ -120,0 +119,0 @@ }

modules/es.promise.js

@@ -240,3 +240,3 @@ 'use strict';
   };
-  // eslint-disable-next-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
   Internal = function Promise(executor) {
@@ -301,3 +301,3 @@ setInternalState(this, {
     if (typeof $fetch == 'function') $({ global: true, enumerable: true, forced: true }, {
-      // eslint-disable-next-line no-unused-vars
+      // eslint-disable-next-line no-unused-vars -- required for `.length`
       fetch: function fetch(input /* , init */) {
@@ -304,0 +304,0 @@ return promiseResolve(PromiseConstructor, $fetch.apply(global, arguments));

modules/es.reflect.define-property.js

@@ -10,3 +10,3 @@ var $ = require('../internals/export');
 var ERROR_INSTEAD_OF_FALSE = fails(function () {
-  // eslint-disable-next-line no-undef
+  /* global Reflect -- required for testing */
   Reflect.defineProperty(definePropertyModule.f({}, 1, { value: 1 }), 1, { value: 2 });
@@ -13,0 +13,0 @@ });

modules/es.reflect.set.js

@@ -40,3 +40,3 @@ var $ = require('../internals/export');
   var object = definePropertyModule.f(new Constructor(), 'a', { configurable: true });
-  // eslint-disable-next-line no-undef
+  /* global Reflect -- required for testing */
   return Reflect.set(Constructor.prototype, 'a', 1, object) !== false;
@@ -43,0 +43,0 @@ });

modules/es.string.from-code-point.js

@@ -13,3 +13,4 @@ var $ = require('../internals/export');
 $({ target: 'String', stat: true, forced: INCORRECT_LENGTH }, {
-  fromCodePoint: function fromCodePoint(x) { // eslint-disable-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
+  fromCodePoint: function fromCodePoint(x) {
     var elements = [];
@@ -16,0 +17,0 @@ var length = arguments.length;

modules/es.string.match-all.js

@@ -42,3 +42,3 @@ 'use strict';
 
-// eslint-disable-next-line max-len
+// eslint-disable-next-line max-len -- ignore
 var $RegExpStringIterator = createIteratorConstructor(function RegExpStringIterator(regexp, string, global, fullUnicode) {
@@ -45,0 +45,0 @@ setInternalState(this, {

modules/es.symbol.js

@@ -284,3 +284,3 @@ 'use strict';
   $({ target: 'JSON', stat: true, forced: FORCED_JSON_STRINGIFY }, {
-    // eslint-disable-next-line no-unused-vars
+    // eslint-disable-next-line no-unused-vars -- required for `.length`
     stringify: function stringify(it, replacer, space) {
@@ -287,0 +287,0 @@ var args = [it];

modules/esnext.array.unique-by.js

 'use strict';
 var $ = require('../internals/export');
-var toLength = require('../internals/to-length');
-var toObject = require('../internals/to-object');
-var getBuiltIn = require('../internals/get-built-in');
-var arraySpeciesCreate = require('../internals/array-species-create');
 var addToUnscopables = require('../internals/add-to-unscopables');
+var uniqueBy = require('../internals/array-unique-by');
 
-var push = [].push;
-
 // `Array.prototype.uniqueBy` method
 // https://github.com/tc39/proposal-array-unique
 $({ target: 'Array', proto: true }, {
-  uniqueBy: function uniqueBy(resolver) {
-    var that = toObject(this);
-    var length = toLength(that.length);
-    var result = arraySpeciesCreate(that, 0);
-    var Map = getBuiltIn('Map');
-    var map = new Map();
-    var resolverFunction, index, item, key;
-    if (typeof resolver == 'function') resolverFunction = resolver;
-    else if (resolver == null) resolverFunction = function (value) {
-      return value;
-    };
-    else throw new TypeError('Incorrect resolver!');
-    for (index = 0; index < length; index++) {
-      item = that[index];
-      key = resolverFunction(item);
-      if (!map.has(key)) map.set(key, item);
-    }
-    map.forEach(function (value) {
-      push.call(result, value);
-    });
-    return result;
-  }
+  uniqueBy: uniqueBy
 });
 
 addToUnscopables('uniqueBy');

modules/esnext.bigint.range.js

@@ -10,3 +10,3 @@ 'use strict';
     range: function range(start, end, option) {
-      // eslint-disable-next-line no-undef
+      /* global BigInt -- safe */
       return new RangeIterator(start, end, option, 'bigint', BigInt(0), BigInt(1));
@@ -13,0 +13,0 @@ }

modules/esnext.map.merge.js

@@ -11,3 +11,3 @@ 'use strict';
 $({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
-  // eslint-disable-next-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
   merge: function merge(iterable /* ...iterbles */) {
@@ -14,0 +14,0 @@ var map = anObject(this);

modules/web.timers.js

@@ -13,3 +13,3 @@ var $ = require('../internals/export');
     return scheduler(boundArgs ? function () {
-      // eslint-disable-next-line no-new-func
+      // eslint-disable-next-line no-new-func -- spec requirement
       (typeof handler == 'function' ? handler : Function(handler)).apply(this, args);
@@ -16,0 +16,0 @@ } : handler, timeout);

modules/web.url.js

@@ -40,10 +40,8 @@ 'use strict';
 var HEX = /^[\dA-Fa-f]+$/;
-// eslint-disable-next-line no-control-regex
-var FORBIDDEN_HOST_CODE_POINT = /[\u0000\u0009\u000A\u000D #%/:?@[\\]]/;
-// eslint-disable-next-line no-control-regex
-var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\u0009\u000A\u000D #/:?@[\\]]/;
-// eslint-disable-next-line no-control-regex
+/* eslint-disable no-control-regex -- safe */
+var FORBIDDEN_HOST_CODE_POINT = /[\u0000\t\u000A\u000D #%/:?@[\\]]/;
+var FORBIDDEN_HOST_CODE_POINT_EXCLUDING_PERCENT = /[\u0000\t\u000A\u000D #/:?@[\\]]/;
 var LEADING_AND_TRAILING_C0_CONTROL_OR_SPACE = /^[\u0000-\u001F ]+|[\u0000-\u001F ]+$/g;
-// eslint-disable-next-line no-control-regex
-var TAB_AND_NEW_LINE = /[\u0009\u000A\u000D]/g;
+var TAB_AND_NEW_LINE = /[\t\u000A\u000D]/g;
+/* eslint-enable no-control-regex -- safe */
 var EOF;
@@ -114,3 +112,3 @@
 
-// eslint-disable-next-line max-statements
+// eslint-disable-next-line max-statements -- TODO
 var parseIPv6 = function (input) {
@@ -337,3 +335,3 @@ var address = [0, 0, 0, 0, 0, 0, 0, 0];
 
-// eslint-disable-next-line max-statements
+// eslint-disable-next-line max-statements -- TODO
 var parseURL = function (url, input, stateOverride, base) {
@@ -994,3 +992,3 @@ var state = stateOverride || SCHEME_START;
   // https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL
-  // eslint-disable-next-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
   if (nativeCreateObjectURL) redefine(URLConstructor, 'createObjectURL', function createObjectURL(blob) {
@@ -1001,3 +999,3 @@ return nativeCreateObjectURL.apply(NativeURL, arguments);
   // https://developer.mozilla.org/en-US/docs/Web/API/URL/revokeObjectURL
-  // eslint-disable-next-line no-unused-vars
+  // eslint-disable-next-line no-unused-vars -- required for `.length`
   if (nativeRevokeObjectURL) redefine(URLConstructor, 'revokeObjectURL', function revokeObjectURL(url) {
@@ -1004,0 +1002,0 @@ return nativeRevokeObjectURL.apply(NativeURL, arguments);

package.json

 {
   "name": "core-js-pure",
   "description": "Standard library",
-  "version": "3.8.3",
+  "version": "3.9.0",
   "repository": {
@@ -57,3 +57,3 @@ "type": "git",
   },
-  "gitHead": "a88734f1d7d8c1b5bb797e1b8ece2ec1961111c6"
+  "gitHead": "37970c09678489b5663bd051342c2055f6982f37"
 }

postinstall.js

@@ -1,2 +0,2 @@
-/* eslint-disable max-len */
+/* eslint-disable max-len -- for better formatting */
 var fs = require('fs');
@@ -54,3 +54,3 @@ var os = require('os');
 function showBanner() {
-  // eslint-disable-next-line no-console,no-control-regex
+  // eslint-disable-next-line no-console,no-control-regex -- output
   console.log(COLOR ? BANNER : BANNER.replace(/\u001B\[\d+m/g, ''));
@@ -57,0 +57,0 @@ }

proposals/array-unique.js

 // https://github.com/tc39/proposal-array-unique
 require('../modules/es.map');
 require('../modules/esnext.array.unique-by');
+require('../modules/esnext.typed-array.unique-by');

stable/instance/entries.js

@@ -14,4 +14,4 @@ require('../../modules/web.dom-collections.iterator');
   return it === ArrayPrototype || (it instanceof Array && own === ArrayPrototype.entries)
-    // eslint-disable-next-line no-prototype-builtins
+    // eslint-disable-next-line no-prototype-builtins -- safe
     || DOMIterables.hasOwnProperty(classof(it)) ? entries : own;
 };

stable/instance/for-each.js

@@ -14,4 +14,4 @@ require('../../modules/web.dom-collections.iterator');
   return it === ArrayPrototype || (it instanceof Array && own === ArrayPrototype.forEach)
-    // eslint-disable-next-line no-prototype-builtins
+    // eslint-disable-next-line no-prototype-builtins -- safe
     || DOMIterables.hasOwnProperty(classof(it)) ? forEach : own;
 };

stable/instance/keys.js

@@ -14,4 +14,4 @@ require('../../modules/web.dom-collections.iterator');
   return it === ArrayPrototype || (it instanceof Array && own === ArrayPrototype.keys)
-    // eslint-disable-next-line no-prototype-builtins
+    // eslint-disable-next-line no-prototype-builtins -- safe
     || DOMIterables.hasOwnProperty(classof(it)) ? keys : own;
 };

stable/instance/values.js

@@ -14,4 +14,4 @@ require('../../modules/web.dom-collections.iterator');
   return it === ArrayPrototype || (it instanceof Array && own === ArrayPrototype.values)
-    // eslint-disable-next-line no-prototype-builtins
+    // eslint-disable-next-line no-prototype-builtins -- safe
     || DOMIterables.hasOwnProperty(classof(it)) ? values : own;
 };

stage/1.js

 require('../proposals/array-filtering');
+require('../proposals/array-find-from-last');
 require('../proposals/array-last');
@@ -3,0 +4,0 @@ require('../proposals/array-unique');

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increased by0.15%

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increased by0.97%

Lines of code

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increased by0.24%

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