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MIT License
Copyright (c) 2014-present Nicolò Ribaudo and other contributors
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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# babel-plugin-polyfill-corejs3
## Install
Using npm:
```sh
npm install --save-dev babel-plugin-polyfill-corejs3
```
or using yarn:
```sh
yarn add babel-plugin-polyfill-corejs3 --dev
```
## Usage
Add this plugin to your Babel configuration:
```json
{
"plugins": [["polyfill-corejs3", { "method": "usage-global", "version": "3.20" }]]
}
```
This package supports the `usage-pure`, `usage-global`, and `entry-global` methods.
When `entry-global` is used, it replaces imports to `core-js`.

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`core-js-compat` exposes some files as JSON, and they cannot be
imported by Node.js ESM files.
This folder proxies `core-js-compat` to ensure that every entry
is CJS and can be safely imported.

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module.exports = require("core-js-compat/data");

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module.exports = require("core-js-compat/entries");

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module.exports = require("core-js-compat/get-modules-list-for-target-version");

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import corejs3Polyfills from '../core-js-compat/data.js';
import getModulesListForTargetVersion from '../core-js-compat/get-modules-list-for-target-version.js';
import * as babel from '@babel/core';
import corejsEntries from '../core-js-compat/entries.js';
import defineProvider from '@babel/helper-define-polyfill-provider';
// This file is automatically generated by scripts/build-corejs3-shipped-proposals.js
var corejs3ShippedProposalsList = new Set(["esnext.array.find-last", "esnext.array.find-last-index", "esnext.typed-array.find-last", "esnext.typed-array.find-last-index"]);
const polyfillsOrder = {};
Object.keys(corejs3Polyfills).forEach((name, index) => {
polyfillsOrder[name] = index;
});
const define = (pure, global, name = global[0], exclude) => {
return {
name,
pure,
global: global.sort((a, b) => polyfillsOrder[a] - polyfillsOrder[b]),
exclude
};
};
const typed = name => define(null, [name, ...TypedArrayDependencies]);
const ArrayNatureIterators = ["es.array.iterator", "web.dom-collections.iterator"];
const CommonIterators = ["es.string.iterator", ...ArrayNatureIterators];
const ArrayNatureIteratorsWithTag = ["es.object.to-string", ...ArrayNatureIterators];
const CommonIteratorsWithTag = ["es.object.to-string", ...CommonIterators];
const ErrorDependencies = ["es.error.cause", "es.error.to-string"];
const TypedArrayDependencies = ["es.typed-array.at", "es.typed-array.copy-within", "es.typed-array.every", "es.typed-array.fill", "es.typed-array.filter", "es.typed-array.find", "es.typed-array.find-index", "es.typed-array.for-each", "es.typed-array.includes", "es.typed-array.index-of", "es.typed-array.iterator", "es.typed-array.join", "es.typed-array.last-index-of", "es.typed-array.map", "es.typed-array.reduce", "es.typed-array.reduce-right", "es.typed-array.reverse", "es.typed-array.set", "es.typed-array.slice", "es.typed-array.some", "es.typed-array.sort", "es.typed-array.subarray", "es.typed-array.to-locale-string", "es.typed-array.to-string", "es.object.to-string", "es.array.iterator", "es.array-buffer.slice", "esnext.typed-array.filter-reject", "esnext.typed-array.find-last", "esnext.typed-array.find-last-index", "esnext.typed-array.group-by", "esnext.typed-array.to-reversed", "esnext.typed-array.to-sorted", "esnext.typed-array.to-spliced", "esnext.typed-array.unique-by", "esnext.typed-array.with"];
const PromiseDependencies = ["es.promise", "es.object.to-string"];
const PromiseDependenciesWithIterators = [...PromiseDependencies, ...CommonIterators];
const SymbolDependencies = ["es.symbol", "es.symbol.description", "es.object.to-string"];
const MapDependencies = ["es.map", "esnext.map.delete-all", "esnext.map.emplace", "esnext.map.every", "esnext.map.filter", "esnext.map.find", "esnext.map.find-key", "esnext.map.includes", "esnext.map.key-of", "esnext.map.map-keys", "esnext.map.map-values", "esnext.map.merge", "esnext.map.reduce", "esnext.map.some", "esnext.map.update", ...CommonIteratorsWithTag];
const SetDependencies = ["es.set", "esnext.set.add-all", "esnext.set.delete-all", "esnext.set.difference", "esnext.set.every", "esnext.set.filter", "esnext.set.find", "esnext.set.intersection", "esnext.set.is-disjoint-from", "esnext.set.is-subset-of", "esnext.set.is-superset-of", "esnext.set.join", "esnext.set.map", "esnext.set.reduce", "esnext.set.some", "esnext.set.symmetric-difference", "esnext.set.union", ...CommonIteratorsWithTag];
const WeakMapDependencies = ["es.weak-map", "esnext.weak-map.delete-all", "esnext.weak-map.emplace", ...CommonIteratorsWithTag];
const WeakSetDependencies = ["es.weak-set", "esnext.weak-set.add-all", "esnext.weak-set.delete-all", ...CommonIteratorsWithTag];
const DOMExceptionDependencies = ["web.dom-exception.constructor", "web.dom-exception.stack", "web.dom-exception.to-string-tag", "es.error.to-string"];
const URLSearchParamsDependencies = ["web.url-search-params", ...CommonIteratorsWithTag];
const AsyncIteratorDependencies = ["esnext.async-iterator.constructor", ...PromiseDependencies];
const AsyncIteratorProblemMethods = ["esnext.async-iterator.every", "esnext.async-iterator.filter", "esnext.async-iterator.find", "esnext.async-iterator.flat-map", "esnext.async-iterator.for-each", "esnext.async-iterator.map", "esnext.async-iterator.reduce", "esnext.async-iterator.some"];
const IteratorDependencies = ["esnext.iterator.constructor", "es.object.to-string"];
const TypedArrayStaticMethods = {
from: define(null, ["es.typed-array.from"]),
fromAsync: define(null, ["esnext.typed-array.from-async", ...PromiseDependenciesWithIterators]),
of: define(null, ["es.typed-array.of"])
};
const BuiltIns = {
AsyncIterator: define("async-iterator/index", AsyncIteratorDependencies),
AggregateError: define("aggregate-error", ["es.aggregate-error", ...ErrorDependencies, ...CommonIteratorsWithTag, "es.aggregate-error.cause"]),
ArrayBuffer: define(null, ["es.array-buffer.constructor", "es.array-buffer.slice", "es.object.to-string"]),
DataView: define(null, ["es.data-view", "es.array-buffer.slice", "es.object.to-string"]),
Date: define(null, ["es.date.to-string"]),
DOMException: define("dom-exception", DOMExceptionDependencies),
Error: define(null, ErrorDependencies),
EvalError: define(null, ErrorDependencies),
Float32Array: typed("es.typed-array.float32-array"),
Float64Array: typed("es.typed-array.float64-array"),
Int8Array: typed("es.typed-array.int8-array"),
Int16Array: typed("es.typed-array.int16-array"),
Int32Array: typed("es.typed-array.int32-array"),
Iterator: define("iterator/index", IteratorDependencies),
Uint8Array: typed("es.typed-array.uint8-array"),
Uint8ClampedArray: typed("es.typed-array.uint8-clamped-array"),
Uint16Array: typed("es.typed-array.uint16-array"),
Uint32Array: typed("es.typed-array.uint32-array"),
Map: define("map/index", MapDependencies),
Number: define(null, ["es.number.constructor"]),
Observable: define("observable/index", ["esnext.observable", "esnext.symbol.observable", "es.object.to-string", ...CommonIteratorsWithTag]),
Promise: define("promise/index", PromiseDependencies),
RangeError: define(null, ErrorDependencies),
ReferenceError: define(null, ErrorDependencies),
Reflect: define(null, ["es.reflect.to-string-tag", "es.object.to-string"]),
RegExp: define(null, ["es.regexp.constructor", "es.regexp.dot-all", "es.regexp.exec", "es.regexp.sticky", "es.regexp.to-string"]),
Set: define("set/index", SetDependencies),
Symbol: define("symbol/index", SymbolDependencies),
SyntaxError: define(null, ErrorDependencies),
TypeError: define(null, ErrorDependencies),
URIError: define(null, ErrorDependencies),
URL: define("url/index", ["web.url", ...URLSearchParamsDependencies]),
URLSearchParams: define("url-search-params/index", URLSearchParamsDependencies),
WeakMap: define("weak-map/index", WeakMapDependencies),
WeakSet: define("weak-set/index", WeakSetDependencies),
atob: define("atob", ["web.atob", ...DOMExceptionDependencies]),
btoa: define("btoa", ["web.btoa", ...DOMExceptionDependencies]),
clearImmediate: define("clear-immediate", ["web.immediate"]),
compositeKey: define("composite-key", ["esnext.composite-key"]),
compositeSymbol: define("composite-symbol", ["esnext.composite-symbol"]),
escape: define("escape", ["es.escape"]),
fetch: define(null, PromiseDependencies),
globalThis: define("global-this", ["es.global-this"]),
parseFloat: define("parse-float", ["es.parse-float"]),
parseInt: define("parse-int", ["es.parse-int"]),
queueMicrotask: define("queue-microtask", ["web.queue-microtask"]),
setImmediate: define("set-immediate", ["web.immediate"]),
setInterval: define("set-interval", ["web.timers"]),
setTimeout: define("set-timeout", ["web.timers"]),
structuredClone: define("structured-clone", ["web.structured-clone", ...DOMExceptionDependencies, "es.array.iterator", "es.object.keys", "es.object.to-string", "es.map", "es.set"]),
unescape: define("unescape", ["es.unescape"])
};
const StaticProperties = {
AsyncIterator: {
from: define("async-iterator/from", ["esnext.async-iterator.from", ...AsyncIteratorDependencies, ...AsyncIteratorProblemMethods, ...CommonIterators])
},
Array: {
from: define("array/from", ["es.array.from", "es.string.iterator"]),
fromAsync: define("array/from-async", ["esnext.array.from-async", ...PromiseDependenciesWithIterators]),
isArray: define("array/is-array", ["es.array.is-array"]),
isTemplateObject: define("array/is-template-object", ["esnext.array.is-template-object"]),
of: define("array/of", ["es.array.of"])
},
ArrayBuffer: {
isView: define(null, ["es.array-buffer.is-view"])
},
BigInt: {
range: define("bigint/range", ["esnext.bigint.range", "es.object.to-string"])
},
Date: {
now: define("date/now", ["es.date.now"])
},
Function: {
isCallable: define("function/is-callable", ["esnext.function.is-callable"]),
isConstructor: define("function/is-constructor", ["esnext.function.is-constructor"])
},
Iterator: {
from: define("iterator/from", ["esnext.iterator.from", ...IteratorDependencies, ...CommonIterators])
},
JSON: {
stringify: define("json/stringify", ["es.json.stringify"], "es.symbol")
},
Math: {
DEG_PER_RAD: define("math/deg-per-rad", ["esnext.math.deg-per-rad"]),
RAD_PER_DEG: define("math/rad-per-deg", ["esnext.math.rad-per-deg"]),
acosh: define("math/acosh", ["es.math.acosh"]),
asinh: define("math/asinh", ["es.math.asinh"]),
atanh: define("math/atanh", ["es.math.atanh"]),
cbrt: define("math/cbrt", ["es.math.cbrt"]),
clamp: define("math/clamp", ["esnext.math.clamp"]),
clz32: define("math/clz32", ["es.math.clz32"]),
cosh: define("math/cosh", ["es.math.cosh"]),
degrees: define("math/degrees", ["esnext.math.degrees"]),
expm1: define("math/expm1", ["es.math.expm1"]),
fround: define("math/fround", ["es.math.fround"]),
fscale: define("math/fscale", ["esnext.math.fscale"]),
hypot: define("math/hypot", ["es.math.hypot"]),
iaddh: define("math/iaddh", ["esnext.math.iaddh"]),
imul: define("math/imul", ["es.math.imul"]),
imulh: define("math/imulh", ["esnext.math.imulh"]),
isubh: define("math/isubh", ["esnext.math.isubh"]),
log10: define("math/log10", ["es.math.log10"]),
log1p: define("math/log1p", ["es.math.log1p"]),
log2: define("math/log2", ["es.math.log2"]),
radians: define("math/radians", ["esnext.math.radians"]),
scale: define("math/scale", ["esnext.math.scale"]),
seededPRNG: define("math/seeded-prng", ["esnext.math.seeded-prng"]),
sign: define("math/sign", ["es.math.sign"]),
signbit: define("math/signbit", ["esnext.math.signbit"]),
sinh: define("math/sinh", ["es.math.sinh"]),
tanh: define("math/tanh", ["es.math.tanh"]),
trunc: define("math/trunc", ["es.math.trunc"]),
umulh: define("math/umulh", ["esnext.math.umulh"])
},
Map: {
from: define(null, ["esnext.map.from", ...MapDependencies]),
groupBy: define(null, ["esnext.map.group-by", ...MapDependencies]),
keyBy: define(null, ["esnext.map.key-by", ...MapDependencies]),
of: define(null, ["esnext.map.of", ...MapDependencies])
},
Number: {
EPSILON: define("number/epsilon", ["es.number.epsilon"]),
MAX_SAFE_INTEGER: define("number/max-safe-integer", ["es.number.max-safe-integer"]),
MIN_SAFE_INTEGER: define("number/min-safe-integer", ["es.number.min-safe-integer"]),
fromString: define("number/from-string", ["esnext.number.from-string"]),
isFinite: define("number/is-finite", ["es.number.is-finite"]),
isInteger: define("number/is-integer", ["es.number.is-integer"]),
isNaN: define("number/is-nan", ["es.number.is-nan"]),
isSafeInteger: define("number/is-safe-integer", ["es.number.is-safe-integer"]),
parseFloat: define("number/parse-float", ["es.number.parse-float"]),
parseInt: define("number/parse-int", ["es.number.parse-int"]),
range: define("number/range", ["esnext.number.range", "es.object.to-string"])
},
Object: {
assign: define("object/assign", ["es.object.assign"]),
create: define("object/create", ["es.object.create"]),
defineProperties: define("object/define-properties", ["es.object.define-properties"]),
defineProperty: define("object/define-property", ["es.object.define-property"]),
entries: define("object/entries", ["es.object.entries"]),
freeze: define("object/freeze", ["es.object.freeze"]),
fromEntries: define("object/from-entries", ["es.object.from-entries", "es.array.iterator"]),
getOwnPropertyDescriptor: define("object/get-own-property-descriptor", ["es.object.get-own-property-descriptor"]),
getOwnPropertyDescriptors: define("object/get-own-property-descriptors", ["es.object.get-own-property-descriptors"]),
getOwnPropertyNames: define("object/get-own-property-names", ["es.object.get-own-property-names"]),
getOwnPropertySymbols: define("object/get-own-property-symbols", ["es.symbol"]),
getPrototypeOf: define("object/get-prototype-of", ["es.object.get-prototype-of"]),
hasOwn: define("object/has-own", ["es.object.has-own"]),
is: define("object/is", ["es.object.is"]),
isExtensible: define("object/is-extensible", ["es.object.is-extensible"]),
isFrozen: define("object/is-frozen", ["es.object.is-frozen"]),
isSealed: define("object/is-sealed", ["es.object.is-sealed"]),
keys: define("object/keys", ["es.object.keys"]),
preventExtensions: define("object/prevent-extensions", ["es.object.prevent-extensions"]),
seal: define("object/seal", ["es.object.seal"]),
setPrototypeOf: define("object/set-prototype-of", ["es.object.set-prototype-of"]),
values: define("object/values", ["es.object.values"])
},
Promise: {
all: define(null, PromiseDependenciesWithIterators),
allSettled: define(null, ["es.promise.all-settled", ...PromiseDependenciesWithIterators]),
any: define(null, ["es.promise.any", "es.aggregate-error", ...PromiseDependenciesWithIterators]),
race: define(null, PromiseDependenciesWithIterators),
try: define(null, ["esnext.promise.try", ...PromiseDependenciesWithIterators])
},
Reflect: {
apply: define("reflect/apply", ["es.reflect.apply"]),
construct: define("reflect/construct", ["es.reflect.construct"]),
defineMetadata: define("reflect/define-metadata", ["esnext.reflect.define-metadata"]),
defineProperty: define("reflect/define-property", ["es.reflect.define-property"]),
deleteMetadata: define("reflect/delete-metadata", ["esnext.reflect.delete-metadata"]),
deleteProperty: define("reflect/delete-property", ["es.reflect.delete-property"]),
get: define("reflect/get", ["es.reflect.get"]),
getMetadata: define("reflect/get-metadata", ["esnext.reflect.get-metadata"]),
getMetadataKeys: define("reflect/get-metadata-keys", ["esnext.reflect.get-metadata-keys"]),
getOwnMetadata: define("reflect/get-own-metadata", ["esnext.reflect.get-own-metadata"]),
getOwnMetadataKeys: define("reflect/get-own-metadata-keys", ["esnext.reflect.get-own-metadata-keys"]),
getOwnPropertyDescriptor: define("reflect/get-own-property-descriptor", ["es.reflect.get-own-property-descriptor"]),
getPrototypeOf: define("reflect/get-prototype-of", ["es.reflect.get-prototype-of"]),
has: define("reflect/has", ["es.reflect.has"]),
hasMetadata: define("reflect/has-metadata", ["esnext.reflect.has-metadata"]),
hasOwnMetadata: define("reflect/has-own-metadata", ["esnext.reflect.has-own-metadata"]),
isExtensible: define("reflect/is-extensible", ["es.reflect.is-extensible"]),
metadata: define("reflect/metadata", ["esnext.reflect.metadata"]),
ownKeys: define("reflect/own-keys", ["es.reflect.own-keys"]),
preventExtensions: define("reflect/prevent-extensions", ["es.reflect.prevent-extensions"]),
set: define("reflect/set", ["es.reflect.set"]),
setPrototypeOf: define("reflect/set-prototype-of", ["es.reflect.set-prototype-of"])
},
Set: {
from: define(null, ["esnext.set.from", ...SetDependencies]),
of: define(null, ["esnext.set.of", ...SetDependencies])
},
String: {
cooked: define("string/cooked", ["esnext.string.cooked"]),
fromCodePoint: define("string/from-code-point", ["es.string.from-code-point"]),
raw: define("string/raw", ["es.string.raw"])
},
Symbol: {
asyncDispose: define("symbol/async-dispose", ["esnext.symbol.async-dispose"]),
asyncIterator: define("symbol/async-iterator", ["es.symbol.async-iterator"]),
dispose: define("symbol/dispose", ["esnext.symbol.dispose"]),
for: define("symbol/for", [], "es.symbol"),
hasInstance: define("symbol/has-instance", ["es.symbol.has-instance", "es.function.has-instance"]),
isConcatSpreadable: define("symbol/is-concat-spreadable", ["es.symbol.is-concat-spreadable", "es.array.concat"]),
iterator: define("symbol/iterator", ["es.symbol.iterator", ...CommonIteratorsWithTag]),
keyFor: define("symbol/key-for", [], "es.symbol"),
match: define("symbol/match", ["es.symbol.match", "es.string.match"]),
matcher: define("symbol/matcher", ["esnext.symbol.matcher"]),
matchAll: define("symbol/match-all", ["es.symbol.match-all", "es.string.match-all"]),
metadata: define("symbol/metadata", ["esnext.symbol.metadata"]),
observable: define("symbol/observable", ["esnext.symbol.observable"]),
patternMatch: define("symbol/pattern-match", ["esnext.symbol.pattern-match"]),
replace: define("symbol/replace", ["es.symbol.replace", "es.string.replace"]),
search: define("symbol/search", ["es.symbol.search", "es.string.search"]),
species: define("symbol/species", ["es.symbol.species", "es.array.species"]),
split: define("symbol/split", ["es.symbol.split", "es.string.split"]),
toPrimitive: define("symbol/to-primitive", ["es.symbol.to-primitive", "es.date.to-primitive"]),
toStringTag: define("symbol/to-string-tag", ["es.symbol.to-string-tag", "es.object.to-string", "es.math.to-string-tag", "es.json.to-string-tag"]),
unscopables: define("symbol/unscopables", ["es.symbol.unscopables"])
},
WeakMap: {
from: define(null, ["esnext.weak-map.from", ...WeakMapDependencies]),
of: define(null, ["esnext.weak-map.of", ...WeakMapDependencies])
},
WeakSet: {
from: define(null, ["esnext.weak-set.from", ...WeakSetDependencies]),
of: define(null, ["esnext.weak-set.of", ...WeakSetDependencies])
},
Int8Array: TypedArrayStaticMethods,
Uint8Array: TypedArrayStaticMethods,
Uint8ClampedArray: TypedArrayStaticMethods,
Int16Array: TypedArrayStaticMethods,
Uint16Array: TypedArrayStaticMethods,
Int32Array: TypedArrayStaticMethods,
Uint32Array: TypedArrayStaticMethods,
Float32Array: TypedArrayStaticMethods,
Float64Array: TypedArrayStaticMethods,
WebAssembly: {
CompileError: define(null, ErrorDependencies),
LinkError: define(null, ErrorDependencies),
RuntimeError: define(null, ErrorDependencies)
}
};
const InstanceProperties = {
asIndexedPairs: define("instance/asIndexedPairs", ["esnext.async-iterator.as-indexed-pairs", ...AsyncIteratorDependencies, "esnext.iterator.as-indexed-pairs", ...IteratorDependencies]),
at: define("instance/at", [// TODO: We should introduce overloaded instance methods definition
// Before that is implemented, the `esnext.string.at` must be the first
// In pure mode, the provider resolves the descriptor as a "pure" `esnext.string.at`
// and treats the compat-data of `esnext.string.at` as the compat-data of
// pure import `instance/at`. The first polyfill here should have the lowest corejs
// supported versions.
"esnext.string.at", "es.string.at-alternative", "es.array.at"]),
anchor: define(null, ["es.string.anchor"]),
big: define(null, ["es.string.big"]),
bind: define("instance/bind", ["es.function.bind"]),
blink: define(null, ["es.string.blink"]),
bold: define(null, ["es.string.bold"]),
codePointAt: define("instance/code-point-at", ["es.string.code-point-at"]),
codePoints: define("instance/code-points", ["esnext.string.code-points"]),
concat: define("instance/concat", ["es.array.concat"], undefined, ["String"]),
copyWithin: define("instance/copy-within", ["es.array.copy-within"]),
description: define(null, ["es.symbol", "es.symbol.description"]),
dotAll: define("instance/dot-all", ["es.regexp.dot-all"]),
drop: define("instance/drop", ["esnext.async-iterator.drop", ...AsyncIteratorDependencies, "esnext.iterator.drop", ...IteratorDependencies]),
emplace: define("instance/emplace", ["esnext.map.emplace", "esnext.weak-map.emplace"]),
endsWith: define("instance/ends-with", ["es.string.ends-with"]),
entries: define("instance/entries", ArrayNatureIteratorsWithTag),
every: define("instance/every", ["es.array.every", "esnext.async-iterator.every", // TODO: add async iterator dependencies when we support sub-dependencies
// esnext.async-iterator.every depends on es.promise
// but we don't want to pull es.promise when esnext.async-iterator is disabled
//
// ...AsyncIteratorDependencies
"esnext.iterator.every", ...IteratorDependencies]),
exec: define(null, ["es.regexp.exec"]),
fill: define("instance/fill", ["es.array.fill"]),
filter: define("instance/filter", ["es.array.filter", "esnext.async-iterator.filter", "esnext.iterator.filter", ...IteratorDependencies]),
filterReject: define("instance/filterReject", ["esnext.array.filter-reject"]),
finally: define(null, ["es.promise.finally", ...PromiseDependencies]),
find: define("instance/find", ["es.array.find", "esnext.async-iterator.find", "esnext.iterator.find", ...IteratorDependencies]),
findIndex: define("instance/find-index", ["es.array.find-index"]),
findLast: define("instance/find-last", ["esnext.array.find-last"]),
findLastIndex: define("instance/find-last-index", ["esnext.array.find-last-index"]),
fixed: define(null, ["es.string.fixed"]),
flags: define("instance/flags", ["es.regexp.flags"]),
flatMap: define("instance/flat-map", ["es.array.flat-map", "es.array.unscopables.flat-map", "esnext.async-iterator.flat-map", "esnext.iterator.flat-map", ...IteratorDependencies]),
flat: define("instance/flat", ["es.array.flat", "es.array.unscopables.flat"]),
getYear: define(null, ["es.date.get-year"]),
groupBy: define("instance/group-by", ["esnext.array.group-by"]),
groupByToMap: define("instance/group-by-to-map", ["esnext.array.group-by-to-map", "es.map", "es.object.to-string"]),
fontcolor: define(null, ["es.string.fontcolor"]),
fontsize: define(null, ["es.string.fontsize"]),
forEach: define("instance/for-each", ["es.array.for-each", "esnext.async-iterator.for-each", "esnext.iterator.for-each", ...IteratorDependencies, "web.dom-collections.for-each"]),
includes: define("instance/includes", ["es.array.includes", "es.string.includes"]),
indexOf: define("instance/index-of", ["es.array.index-of"]),
italic: define(null, ["es.string.italics"]),
join: define(null, ["es.array.join"]),
keys: define("instance/keys", ArrayNatureIteratorsWithTag),
lastIndex: define(null, ["esnext.array.last-index"]),
lastIndexOf: define("instance/last-index-of", ["es.array.last-index-of"]),
lastItem: define(null, ["esnext.array.last-item"]),
link: define(null, ["es.string.link"]),
map: define("instance/map", ["es.array.map", "esnext.async-iterator.map", "esnext.iterator.map"]),
match: define(null, ["es.string.match", "es.regexp.exec"]),
matchAll: define("instance/match-all", ["es.string.match-all", "es.regexp.exec"]),
name: define(null, ["es.function.name"]),
padEnd: define("instance/pad-end", ["es.string.pad-end"]),
padStart: define("instance/pad-start", ["es.string.pad-start"]),
reduce: define("instance/reduce", ["es.array.reduce", "esnext.async-iterator.reduce", "esnext.iterator.reduce", ...IteratorDependencies]),
reduceRight: define("instance/reduce-right", ["es.array.reduce-right"]),
repeat: define("instance/repeat", ["es.string.repeat"]),
replace: define(null, ["es.string.replace", "es.regexp.exec"]),
replaceAll: define("instance/replace-all", ["es.string.replace-all", "es.string.replace", "es.regexp.exec"]),
reverse: define("instance/reverse", ["es.array.reverse"]),
search: define(null, ["es.string.search", "es.regexp.exec"]),
setYear: define(null, ["es.date.set-year"]),
slice: define("instance/slice", ["es.array.slice"]),
small: define(null, ["es.string.small"]),
some: define("instance/some", ["es.array.some", "esnext.async-iterator.some", "esnext.iterator.some", ...IteratorDependencies]),
sort: define("instance/sort", ["es.array.sort"]),
splice: define("instance/splice", ["es.array.splice"]),
split: define(null, ["es.string.split", "es.regexp.exec"]),
startsWith: define("instance/starts-with", ["es.string.starts-with"]),
sticky: define("instance/sticky", ["es.regexp.sticky"]),
strike: define(null, ["es.string.strike"]),
sub: define(null, ["es.string.sub"]),
substr: define(null, ["es.string.substr"]),
sup: define(null, ["es.string.sup"]),
take: define("instance/take", ["esnext.async-iterator.take", ...AsyncIteratorDependencies, "esnext.iterator.take", ...IteratorDependencies]),
test: define("instance/test", ["es.regexp.test", "es.regexp.exec"]),
toArray: define("instance/to-array", ["esnext.async-iterator.to-array", ...AsyncIteratorDependencies, "esnext.iterator.to-array", ...IteratorDependencies]),
toAsync: define(null, ["esnext.iterator.to-async", ...IteratorDependencies, ...AsyncIteratorDependencies, ...AsyncIteratorProblemMethods]),
toExponential: define(null, ["es.number.to-exponential"]),
toFixed: define(null, ["es.number.to-fixed"]),
toGMTString: define(null, ["es.date.to-gmt-string"]),
toISOString: define(null, ["es.date.to-iso-string"]),
toJSON: define(null, ["es.date.to-json", "web.url.to-json"]),
toPrecision: define(null, ["es.number.to-precision"]),
toReversed: define("instance/to-reversed", ["esnext.array.to-reversed"]),
toSorted: define("instance/to-sorted", ["esnext.array.to-sorted", "es.array.sort"]),
toSpliced: define("instance/to-reversed", ["esnext.array.to-spliced"]),
toString: define(null, ["es.object.to-string", "es.error.to-string", "es.date.to-string", "es.regexp.to-string"]),
trim: define("instance/trim", ["es.string.trim"]),
trimEnd: define("instance/trim-end", ["es.string.trim-end"]),
trimLeft: define("instance/trim-left", ["es.string.trim-start"]),
trimRight: define("instance/trim-right", ["es.string.trim-end"]),
trimStart: define("instance/trim-start", ["es.string.trim-start"]),
uniqueBy: define("instance/unique-by", ["esnext.array.unique-by", "es.map"]),
unThis: define("instance/un-this", ["esnext.function.un-this"]),
values: define("instance/values", ArrayNatureIteratorsWithTag),
with: define("instance/with", ["esnext.array.with"]),
__defineGetter__: define(null, ["es.object.define-getter"]),
__defineSetter__: define(null, ["es.object.define-setter"]),
__lookupGetter__: define(null, ["es.object.lookup-getter"]),
__lookupSetter__: define(null, ["es.object.lookup-setter"])
};
const CommonInstanceDependencies = new Set(["es.object.to-string", "es.object.define-getter", "es.object.define-setter", "es.object.lookup-getter", "es.object.lookup-setter", "es.regexp.exec"]);
const {
types: t$1
} = babel.default || babel;
function callMethod(path, id) {
const {
object
} = path.node;
let context1, context2;
if (t$1.isIdentifier(object)) {
context1 = object;
context2 = t$1.cloneNode(object);
} else {
context1 = path.scope.generateDeclaredUidIdentifier("context");
context2 = t$1.assignmentExpression("=", t$1.cloneNode(context1), object);
}
path.replaceWith(t$1.memberExpression(t$1.callExpression(id, [context2]), t$1.identifier("call")));
path.parentPath.unshiftContainer("arguments", context1);
}
function isCoreJSSource(source) {
if (typeof source === "string") {
source = source.replace(/\\/g, "/").replace(/(\/(index)?)?(\.js)?$/i, "").toLowerCase();
}
return hasOwnProperty.call(corejsEntries, source) && corejsEntries[source];
}
function coreJSModule(name) {
return `core-js/modules/${name}.js`;
}
function coreJSPureHelper(name, useBabelRuntime, ext) {
return useBabelRuntime ? `${useBabelRuntime}/core-js/${name}${ext}` : `core-js-pure/features/${name}.js`;
}
const {
types: t
} = babel.default || babel;
const runtimeCompat = "#__secret_key__@babel/runtime__compatibility";
const esnextFallback = (name, cb) => {
if (cb(name)) return true;
if (!name.startsWith("es.")) return false;
const fallback = `esnext.${name.slice(3)}`;
if (!corejs3Polyfills[fallback]) return false;
return cb(fallback);
};
var index = defineProvider(function ({
getUtils,
method,
shouldInjectPolyfill,
createMetaResolver,
debug,
babel
}, {
version = 3,
proposals,
shippedProposals,
[runtimeCompat]: {
useBabelRuntime,
ext = ".js"
} = {}
}) {
const isWebpack = babel.caller(caller => (caller == null ? void 0 : caller.name) === "babel-loader");
const resolve = createMetaResolver({
global: BuiltIns,
static: StaticProperties,
instance: InstanceProperties
});
const available = new Set(getModulesListForTargetVersion(version));
function getCoreJSPureBase(useProposalBase) {
return useBabelRuntime ? useProposalBase ? `${useBabelRuntime}/core-js` : `${useBabelRuntime}/core-js-stable` : useProposalBase ? "core-js-pure/features" : "core-js-pure/stable";
}
function maybeInjectGlobalImpl(name, utils) {
if (shouldInjectPolyfill(name)) {
debug(name);
utils.injectGlobalImport(coreJSModule(name));
return true;
}
return false;
}
function maybeInjectGlobal(names, utils, fallback = true) {
for (const name of names) {
if (fallback) {
esnextFallback(name, name => maybeInjectGlobalImpl(name, utils));
} else {
maybeInjectGlobalImpl(name, utils);
}
}
}
function maybeInjectPure(desc, hint, utils, object) {
if (desc.pure && !(object && desc.exclude && desc.exclude.includes(object)) && esnextFallback(desc.name, shouldInjectPolyfill)) {
const {
name
} = desc;
let useProposalBase = false;
if (proposals || shippedProposals && name.startsWith("esnext.")) {
useProposalBase = true;
} else if (name.startsWith("es.") && !available.has(name)) {
useProposalBase = true;
}
const coreJSPureBase = getCoreJSPureBase(useProposalBase);
return utils.injectDefaultImport( // $FlowIgnore, we already guard desc.pure
`${coreJSPureBase}/${desc.pure}${ext}`, hint);
}
}
function isFeatureStable(name) {
if (name.startsWith("esnext.")) {
const esName = `es.${name.slice(7)}`; // If its imaginative esName is not in latest compat data, it means
// the proposal is not stage 4
return esName in corejs3Polyfills;
}
return true;
}
return {
name: "corejs3",
polyfills: corejs3Polyfills,
filterPolyfills(name) {
if (!available.has(name)) return false;
if (proposals || method === "entry-global") return true;
if (shippedProposals && corejs3ShippedProposalsList.has(name)) {
return true;
}
return isFeatureStable(name);
},
entryGlobal(meta, utils, path) {
if (meta.kind !== "import") return;
const modules = isCoreJSSource(meta.source);
if (!modules) return;
if (modules.length === 1 && meta.source === coreJSModule(modules[0]) && shouldInjectPolyfill(modules[0])) {
// Avoid infinite loop: do not replace imports with a new copy of
// themselves.
debug(null);
return;
}
const modulesSet = new Set(modules);
const filteredModules = modules.filter(module => {
if (!module.startsWith("esnext.")) return true;
const stable = module.replace("esnext.", "es.");
if (modulesSet.has(stable) && shouldInjectPolyfill(stable)) {
return false;
}
return true;
});
maybeInjectGlobal(filteredModules, utils, false);
path.remove();
},
usageGlobal(meta, utils) {
const resolved = resolve(meta);
if (!resolved) return;
let deps = resolved.desc.global;
if (resolved.kind !== "global" && meta.object && meta.placement === "prototype") {
const low = meta.object.toLowerCase();
deps = deps.filter(m => m.includes(low) || CommonInstanceDependencies.has(m));
}
maybeInjectGlobal(deps, utils);
},
usagePure(meta, utils, path) {
if (meta.kind === "in") {
if (meta.key === "Symbol.iterator") {
path.replaceWith(t.callExpression(utils.injectDefaultImport(coreJSPureHelper("is-iterable", useBabelRuntime, ext), "isIterable"), [path.node.right]));
}
return;
}
if (path.parentPath.isUnaryExpression({
operator: "delete"
})) return;
let isCall;
if (meta.kind === "property") {
// We can't compile destructuring.
if (!path.isMemberExpression()) return;
if (!path.isReferenced()) return;
isCall = path.parentPath.isCallExpression({
callee: path.node
});
if (meta.key === "Symbol.iterator") {
if (!shouldInjectPolyfill("es.symbol.iterator")) return;
if (isCall) {
if (path.parent.arguments.length === 0) {
path.parentPath.replaceWith(t.callExpression(utils.injectDefaultImport(coreJSPureHelper("get-iterator", useBabelRuntime, ext), "getIterator"), [path.node.object]));
path.skip();
} else {
callMethod(path, utils.injectDefaultImport(coreJSPureHelper("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"));
}
} else {
path.replaceWith(t.callExpression(utils.injectDefaultImport(coreJSPureHelper("get-iterator-method", useBabelRuntime, ext), "getIteratorMethod"), [path.node.object]));
}
return;
}
}
let resolved = resolve(meta);
if (!resolved) return;
if (useBabelRuntime && resolved.desc.pure && resolved.desc.pure.slice(-6) === "/index") {
// Remove /index, since it doesn't exist in @babel/runtime-corejs3s
resolved = { ...resolved,
desc: { ...resolved.desc,
pure: resolved.desc.pure.slice(0, -6)
}
};
}
if (resolved.kind === "global") {
const id = maybeInjectPure(resolved.desc, resolved.name, utils);
if (id) path.replaceWith(id);
} else if (resolved.kind === "static") {
const id = maybeInjectPure(resolved.desc, resolved.name, utils, // $FlowIgnore
meta.object);
if (id) path.replaceWith(id);
} else if (resolved.kind === "instance") {
const id = maybeInjectPure(resolved.desc, `${resolved.name}InstanceProperty`, utils, // $FlowIgnore
meta.object);
if (!id) return;
if (isCall) {
callMethod(path, id);
} else {
path.replaceWith(t.callExpression(id, [path.node.object]));
}
}
},
visitor: method === "usage-global" && {
// import("foo")
CallExpression(path) {
if (path.get("callee").isImport()) {
const utils = getUtils(path);
if (isWebpack) {
// Webpack uses Promise.all to handle dynamic import.
maybeInjectGlobal(PromiseDependenciesWithIterators, utils);
} else {
maybeInjectGlobal(PromiseDependencies, utils);
}
}
},
// (async function () { }).finally(...)
Function(path) {
if (path.node.async) {
maybeInjectGlobal(PromiseDependencies, getUtils(path));
}
},
// for-of, [a, b] = c
"ForOfStatement|ArrayPattern"(path) {
maybeInjectGlobal(CommonIterators, getUtils(path));
},
// [...spread]
SpreadElement(path) {
if (!path.parentPath.isObjectExpression()) {
maybeInjectGlobal(CommonIterators, getUtils(path));
}
},
// yield*
YieldExpression(path) {
if (path.node.delegate) {
maybeInjectGlobal(CommonIterators, getUtils(path));
}
}
}
};
});
export default index;
//# sourceMappingURL=index.mjs.map

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{
"name": "babel-plugin-polyfill-corejs3",
"version": "0.5.2",
"description": "A Babel plugin to inject imports to core-js@3 polyfills",
"repository": {
"type": "git",
"url": "https://github.com/babel/babel-polyfills.git",
"directory": "packages/babel-plugin-polyfill-corejs3"
},
"license": "MIT",
"publishConfig": {
"access": "public"
},
"main": "lib/index.js",
"exports": {
".": [
{
"import": "./esm/index.mjs",
"default": "./lib/index.js"
},
"./lib/index.js"
],
"./package.json": "./package.json"
},
"keywords": [
"babel-plugin"
],
"dependencies": {
"@babel/helper-define-polyfill-provider": "^0.3.1",
"core-js-compat": "^3.21.0"
},
"devDependencies": {
"@babel/core": "^7.13.0",
"@babel/helper-plugin-test-runner": "^7.10.4",
"@babel/plugin-syntax-dynamic-import": "^7.8.3",
"@babel/plugin-transform-classes": "^7.13.0",
"@babel/plugin-transform-for-of": "^7.10.4",
"@babel/plugin-transform-modules-commonjs": "^7.10.4",
"@babel/plugin-transform-spread": "^7.13.0",
"core-js": "^3.21.0",
"core-js-pure": "^3.21.0"
},
"peerDependencies": {
"@babel/core": "^7.0.0-0"
},
"gitHead": "dfc74d8a78cb3f655dacf8aceea13a2a6024dee3"
}