Fix: estimates geo v2

This commit is contained in:
Arsen
2026-02-04 00:11:19 +05:00
commit 3f0086f88e
22567 changed files with 4348823 additions and 0 deletions

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{
"root": true,
"extends": "@ljharb",
"rules": {
"consistent-return": 1,
"eqeqeq": [2, "always", { "null": "ignore" }],
"func-name-matching": 0,
"id-length": 0,
"multiline-comment-style": 0,
"new-cap": [2, {
"capIsNewExceptions": [
"GetIntrinsic",
],
}],
"no-magic-numbers": [1, {
"ignore": [1, 0xDC00, 0xD800, 0xDFFF, 0xDBFF],
}],
},
"overrides": [
{
"files": "test/**",
"rules": {
"max-lines-per-function": 0,
"no-magic-numbers": 0,
"no-new-func": 1,
},
},
],
}

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backend/node_modules/es-get-iterator/.github/FUNDING.yml generated vendored Executable file
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# These are supported funding model platforms
github: [ljharb]
patreon: # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: npm/es-get-iterator
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
custom: # Replace with a single custom sponsorship URL

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backend/node_modules/es-get-iterator/.nycrc generated vendored Executable file
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{
"all": true,
"check-coverage": false,
"reporter": ["text-summary", "text", "html", "json"],
"exclude": [
"coverage",
"test"
]
}

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backend/node_modules/es-get-iterator/CHANGELOG.md generated vendored Executable file
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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
Generated by [`auto-changelog`](https://github.com/CookPete/auto-changelog).
## [v1.1.3](https://github.com/ljharb/es-get-iterator/compare/v1.1.2...v1.1.3) - 2023-01-12
### Commits
- [actions] reuse common workflows [`c97cb76`](https://github.com/ljharb/es-get-iterator/commit/c97cb764624f8c0e263695f1dcc9351b11000ea4)
- [actions] use `node/install` instead of `node/run`; use `codecov` action [`6d09911`](https://github.com/ljharb/es-get-iterator/commit/6d09911097b54f59e6b3f3961f57dc594b3c649a)
- [meta] use `npmignore` to autogenerate an npmignore file [`c7e0e85`](https://github.com/ljharb/es-get-iterator/commit/c7e0e85212a756b0989f8ff24896f2a936a3fe20)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es5-shim`, `object-inspect`, `tape` [`1353190`](https://github.com/ljharb/es-get-iterator/commit/13531904d91ee41ea22f02fd2bafd3034fba3758)
- [Refactor] extract logic to `stop-iteration-iterator` [`ab19956`](https://github.com/ljharb/es-get-iterator/commit/ab199561031139e4d5c8249cda77196ff2590aaf)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es5-shim`, `object-inspect`, `safe-publish-latest`, `tape` [`de2ae73`](https://github.com/ljharb/es-get-iterator/commit/de2ae73a1c4395f4459450c11cd146fb73bee90c)
- [Tests] start testing more variants [`e059f33`](https://github.com/ljharb/es-get-iterator/commit/e059f33c5ab89043d731a3ea7c301301ed1b315b)
- [actions] update codecov uploader [`c8ffcec`](https://github.com/ljharb/es-get-iterator/commit/c8ffcec4ff8bfbab82e039f43d3283a345e7c94c)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `es5-shim`, `has-bigints`, `object-inspect`, `tape` [`8cd2e87`](https://github.com/ljharb/es-get-iterator/commit/8cd2e8716d5b175c5f90cce3999e5c0de3b5be69)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape` [`7676030`](https://github.com/ljharb/es-get-iterator/commit/7676030b4aa2d41cb3579c1aaea55911a62ca9ee)
- [actions] update checkout action [`bdbe6c9`](https://github.com/ljharb/es-get-iterator/commit/bdbe6c9664eae9c87fa98128419b2d086a40988f)
- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `es6-shim` [`67cddd6`](https://github.com/ljharb/es-get-iterator/commit/67cddd66e4d9ad51fb9142ff3b1871b1b2fb1cf9)
- [Tests] fix debug output issues in FF 24 [`a726fdc`](https://github.com/ljharb/es-get-iterator/commit/a726fdce1defeb2e0fec0dcc7a645668d574a1ac)
- [Deps] update `has-symbols`, `is-arguments`, `is-string` [`044907b`](https://github.com/ljharb/es-get-iterator/commit/044907b42a2c1950855e9a2d1f455ba3595b2980)
- [Deps] update `get-intrinsic`, `has-symbols` [`e492f8f`](https://github.com/ljharb/es-get-iterator/commit/e492f8f3a1a1d47ed032303bcfebb5d75b756267)
- [meta] use `prepublishOnly` script for npm 7+ [`eccda6b`](https://github.com/ljharb/es-get-iterator/commit/eccda6bbfd20ed1c2ec1ad5c92c02169b50608e6)
- [Dev Deps] update `object-inspect` [`c24dfa5`](https://github.com/ljharb/es-get-iterator/commit/c24dfa542267132515128172955a1d4a4049c14e)
- [Deps] update `get-intrinsic` [`1bd68ce`](https://github.com/ljharb/es-get-iterator/commit/1bd68ceb11bc078edafb80a50631149056e8ffdf)
## [v1.1.2](https://github.com/ljharb/es-get-iterator/compare/v1.1.1...v1.1.2) - 2021-01-26
### Commits
- [meta] npmignore github action workflows [`0cd2f21`](https://github.com/ljharb/es-get-iterator/commit/0cd2f218f16b08efccbc29daf3831f4f37e30a74)
- [readme] remove travis badge [`357065b`](https://github.com/ljharb/es-get-iterator/commit/357065b649cca3122cc32c73ef97739e3ab6cf6c)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `has-bigints`, `object-inspect`, `tape` [`13a77f2`](https://github.com/ljharb/es-get-iterator/commit/13a77f279cda7ddffbb769ea57933ffc3cac62f0)
- [Deps] update `get-intrinsic`, `is-arguments`, `is-map`, `is-set` [`5f8d7f1`](https://github.com/ljharb/es-get-iterator/commit/5f8d7f14c71bffd470bb61f6f0e125da41bfcf06)
- [meta] update actions, dotfiles [`5ea3e50`](https://github.com/ljharb/es-get-iterator/commit/5ea3e506d0ca1d80df6b37836c62e85934804f89)
- [Tests] fix ESM test matrix [`9ab614c`](https://github.com/ljharb/es-get-iterator/commit/9ab614ce13b1a210d18827e47d4ad631a431dd39)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es5-shim` [`e843ad9`](https://github.com/ljharb/es-get-iterator/commit/e843ad96802c3579a79b82ef49d98239f8288db8)
- [Deps] update `call-bind`, `get-intrinsic` [`4301b3e`](https://github.com/ljharb/es-get-iterator/commit/4301b3e70982434feda67e5868d7a50f5101ae8f)
- [meta] avoid upcoming deprecation warning in node; add "browser" field [`57297b1`](https://github.com/ljharb/es-get-iterator/commit/57297b19b54b0970fe986890be6c7a97fa4fdd3a)
- [Tests] skip `npm ls` in node 0.x tests [`1409196`](https://github.com/ljharb/es-get-iterator/commit/1409196062de66d84d3cf1d368bed18488e767f2)
- [Dev Deps] update `eslint` [`e4dcea4`](https://github.com/ljharb/es-get-iterator/commit/e4dcea49104de45a0bcf861f9aa2923f0209ed66)
## [v1.1.1](https://github.com/ljharb/es-get-iterator/compare/v1.1.0...v1.1.1) - 2020-11-06
### Commits
- [Tests] migrate tests to Github Actions [`e10fd31`](https://github.com/ljharb/es-get-iterator/commit/e10fd31909fc6451e4be5d8d9fb031d04ab72267)
- [Fix] Support iterators defined by es6-shim when loaded after es-get-iterator [`f2ef7e1`](https://github.com/ljharb/es-get-iterator/commit/f2ef7e1d1cf5fa3357e460fc0023eaf11e79b573)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es6-shim`, `object-inspect`, `tape` [`1ee86fc`](https://github.com/ljharb/es-get-iterator/commit/1ee86fcf0ff0fa115e78ef589d3a76cd299fe89e)
- [actions] add "Allow Edits" workflow [`c785c69`](https://github.com/ljharb/es-get-iterator/commit/c785c69933afd98a670250f1d52e3b514cbd1d7a)
- [Refactor] use `get-intrinsic` and `call-bind` instead of `es-abstract` [`65f4ef5`](https://github.com/ljharb/es-get-iterator/commit/65f4ef5018688432ca87a4b5aa971fee182722df)
- [Dev Deps] update `auto-changelog`, `es5-shim`, `tape`; add `aud` [`91301ed`](https://github.com/ljharb/es-get-iterator/commit/91301edd87d6b753e0129ac7007e39d410030340)
- [Dev Deps] update `aud` [`afc91d9`](https://github.com/ljharb/es-get-iterator/commit/afc91d98ae243c8563ac7295b8775c5a4b37c92f)
- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`1962743`](https://github.com/ljharb/es-get-iterator/commit/19627437efac78d71d78d5e2ef0192052598bc1b)
- [Deps] update `es-abstract` [`d2b57c8`](https://github.com/ljharb/es-get-iterator/commit/d2b57c8896b22eb90b0b894d80ba34f69ed68c3d)
## [v1.1.0](https://github.com/ljharb/es-get-iterator/compare/v1.0.2...v1.1.0) - 2020-01-25
### Commits
- [New] add native ESM variant via conditional exports [`325629d`](https://github.com/ljharb/es-get-iterator/commit/325629d43b6b8d4f2f5ff7d6623e81e01080dde7)
- [Tests] fix test matrix [`01c20cf`](https://github.com/ljharb/es-get-iterator/commit/01c20cf6ed810e567f5fba5c29425df7f2aceb7a)
- [Docs] Add modern browser example for Rollup [`ab9f17d`](https://github.com/ljharb/es-get-iterator/commit/ab9f17da94542940086280d8792d4e6c71186b47)
- [Deps] update `is-map`, `is-set`, `es-abstract`, `is-string` [`a1b9645`](https://github.com/ljharb/es-get-iterator/commit/a1b964517cbd5b16a34fb15df50ec48d684c34c1)
- [Fix] `node.js` only runs where "exports" is supported, and arguments is iterable there [`ccc7646`](https://github.com/ljharb/es-get-iterator/commit/ccc76469077f2fbc82fd4647894ebd660d21a2cb)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`4281453`](https://github.com/ljharb/es-get-iterator/commit/42814531965adb169abb3186a78c0926d4146232)
- [Dev Deps] update `@ljharb/eslint-config` [`f4fc99c`](https://github.com/ljharb/es-get-iterator/commit/f4fc99c83935d0c03aade04030f103d5328abf15)
- [Deps] update `es-abstract` [`70b0423`](https://github.com/ljharb/es-get-iterator/commit/70b042317239eb79df71b16a9531900bdad812f4)
- [Tests] add string coverage for a lone surrogate not followed by a proper surrogate ending [`796e497`](https://github.com/ljharb/es-get-iterator/commit/796e4979168b6ee8ec323d54ca157296166e36d0)
## [v1.0.2](https://github.com/ljharb/es-get-iterator/compare/v1.0.1...v1.0.2) - 2019-12-16
### Commits
- [Deps] update `es-abstract` [`1554229`](https://github.com/ljharb/es-get-iterator/commit/15542291b91d82ccf9da063d1350e7fe685f6bcd)
- [Dev Deps] update `eslint` [`577bbb1`](https://github.com/ljharb/es-get-iterator/commit/577bbb136f7c44cc2d774b0360061b1f1bb10f30)
## [v1.0.1](https://github.com/ljharb/es-get-iterator/compare/v1.0.0...v1.0.1) - 2019-11-27
### Commits
- [Fix] fix bugs in pre-Symbol environments [`592f78a`](https://github.com/ljharb/es-get-iterator/commit/592f78a1d38a0e3e3c4c3dafe1552899decd8c34)
## v1.0.0 - 2019-11-25
### Commits
- Initial tests. [`71f5fdd`](https://github.com/ljharb/es-get-iterator/commit/71f5fdd9c1fdd7b34b5c6f4e1a14cb0cbffc0d9c)
- Initial implementation [`d7e0480`](https://github.com/ljharb/es-get-iterator/commit/d7e04808b322fb6648f4890d86df7f3384b53421)
- Initial commit [`eb5372c`](https://github.com/ljharb/es-get-iterator/commit/eb5372c438b3ca4136e8253ffc4cc7834a4c8ca8)
- readme [`8d6ad14`](https://github.com/ljharb/es-get-iterator/commit/8d6ad14a7f17339ccc20143562f0618773aba3b8)
- npm init [`9b84446`](https://github.com/ljharb/es-get-iterator/commit/9b84446a4e346d4e12c59da5f2f928e1f71d3d69)
- [meta] add `auto-changelog` [`e2d2e4f`](https://github.com/ljharb/es-get-iterator/commit/e2d2e4f55245b786581ef5d42d03cd0efb62db12)
- [meta] add `funding` field; create FUNDING.yml [`5a31c77`](https://github.com/ljharb/es-get-iterator/commit/5a31c7722fc54edfe56975f5a4b7414c48136d36)
- [actions] add automatic rebasing / merge commit blocking [`644429e`](https://github.com/ljharb/es-get-iterator/commit/644429e791abc1b85b65c90d0ee4aac57416ee90)
- [Tests] add `npm run lint` [`f22172f`](https://github.com/ljharb/es-get-iterator/commit/f22172f2dcdd6f41ca45862698b8ea496134b164)
- Only apps should have lockfiles [`fcf8441`](https://github.com/ljharb/es-get-iterator/commit/fcf8441df29d902647fd87d14224c7af19e40c31)
- [meta] add `safe-publish-latest` [`946befa`](https://github.com/ljharb/es-get-iterator/commit/946befa7eb4a91ca648b98660b086ed7813cd3b1)
- [Tests] only test on majors, since travis has a 200 build limit [`aeb5f09`](https://github.com/ljharb/es-get-iterator/commit/aeb5f09a66957c2cff0af22cb1a731ecafb82f24)

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MIT License
Copyright (c) 2019 Jordan Harband
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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# es-get-iterator <sup>[![Version Badge][npm-version-svg]][package-url]</sup>
[![dependency status][deps-svg]][deps-url]
[![dev dependency status][dev-deps-svg]][dev-deps-url]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][npm-badge-png]][package-url]
Get an iterator for any JS language value. Works robustly across all environments, all versions.
In modern engines, `value[Symbol.iterator]()` is sufficient to produce an iterator (an object with a `.next` method) for that object. However, older engines:
- may lack `Symbol` support altogether
- may have `Symbol.iterator` but not implement it on everything it should, like arguments objects
- may have `Map` and `Set`, but a non-standard name for the iterator-producing method (`.iterator` or `['@@iterator']`, eg)
- may be old versions of Firefox that produce values until they throw a StopIteration exception, rather than having iteration result objects
- may be polyfilled/shimmed/shammed, with `es6-shim` or `core-js` or similar
This library attempts to provide an abstraction over all that complexity!
In node v13+, `exports` is used to provide a lean implementation that lacks all the complexity described above, in combination with the `browser` field so that bundlers will pick up the proper implementation.
## Targeting browsers with Symbol support
If you are targeting browsers that definitely all have Symbol support, then you can configure your bundler to replace `require('has-symbols')()` with a literal `true`, which should allow dead code elimination to reduce the size of the bundled code.
### With `@rollup/plugin-replace`
```js
// rollup.config.js
import replace from '@rollup/plugin-replace';
export default {
...
plugins: [
replace({
"require('has-symbols')()": 'true',
delimiters: ['', '']
})
]
};
```
## Example
```js
var getIterator = require('es-get-iterator');
var assert = require('assert');
var iterator = getIterator('a 💩');
assert.deepEqual(
[iterator.next(), iterator.next(), iterator.next(), iterator.next()],
[{ done: false, value: 'a' }, { done: false, value: ' ' }, { done: false, value: '💩' }, { done: true, value: undefined }]
);
var iterator = getIterator([1, 2]);
assert.deepEqual(
[iterator.next(), iterator.next(), iterator.next()],
[{ done: false, value: 1 }, { done: false, value: 2 }, { done: true, value: undefined }]
);
var iterator = getIterator(new Set([1, 2]));
assert.deepEqual(
[iterator.next(), iterator.next(), iterator.next()],
[{ done: false, value: 1 }, { done: false, value: 2 }, { done: true, value: undefined }]
);
var iterator = getIterator(new Map([[1, 2], [3, 4]]));
assert.deepEqual(
[iterator.next(), iterator.next(), iterator.next()],
[{ done: false, value: [1, 2] }, { done: false, value: [3, 4] }, { done: true, value: undefined }]
);
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[package-url]: https://npmjs.org/package/es-get-iterator
[npm-version-svg]: https://versionbadg.es/ljharb/es-get-iterator.svg
[deps-svg]: https://david-dm.org/ljharb/es-get-iterator.svg
[deps-url]: https://david-dm.org/ljharb/es-get-iterator
[dev-deps-svg]: https://david-dm.org/ljharb/es-get-iterator/dev-status.svg
[dev-deps-url]: https://david-dm.org/ljharb/es-get-iterator#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/es-get-iterator.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/es-get-iterator.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/es-get-iterator.svg
[downloads-url]: https://npm-stat.com/charts.html?package=es-get-iterator

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'use strict';
/* eslint global-require: 0 */
// the code is structured this way so that bundlers can
// alias out `has-symbols` to `() => true` or `() => false` if your target
// environments' Symbol capabilities are known, and then use
// dead code elimination on the rest of this module.
//
// Similarly, `isarray` can be aliased to `Array.isArray` if
// available in all target environments.
var isArguments = require('is-arguments');
var getStopIterationIterator = require('stop-iteration-iterator');
if (require('has-symbols')() || require('has-symbols/shams')()) {
var $iterator = Symbol.iterator;
// Symbol is available natively or shammed
// natively:
// - Chrome >= 38
// - Edge 12-14?, Edge >= 15 for sure
// - FF >= 36
// - Safari >= 9
// - node >= 0.12
module.exports = function getIterator(iterable) {
// alternatively, `iterable[$iterator]?.()`
if (iterable != null && typeof iterable[$iterator] !== 'undefined') {
return iterable[$iterator]();
}
if (isArguments(iterable)) {
// arguments objects lack Symbol.iterator
// - node 0.12
return Array.prototype[$iterator].call(iterable);
}
};
} else {
// Symbol is not available, native or shammed
var isArray = require('isarray');
var isString = require('is-string');
var GetIntrinsic = require('get-intrinsic');
var $Map = GetIntrinsic('%Map%', true);
var $Set = GetIntrinsic('%Set%', true);
var callBound = require('call-bind/callBound');
var $arrayPush = callBound('Array.prototype.push');
var $charCodeAt = callBound('String.prototype.charCodeAt');
var $stringSlice = callBound('String.prototype.slice');
var advanceStringIndex = function advanceStringIndex(S, index) {
var length = S.length;
if ((index + 1) >= length) {
return index + 1;
}
var first = $charCodeAt(S, index);
if (first < 0xD800 || first > 0xDBFF) {
return index + 1;
}
var second = $charCodeAt(S, index + 1);
if (second < 0xDC00 || second > 0xDFFF) {
return index + 1;
}
return index + 2;
};
var getArrayIterator = function getArrayIterator(arraylike) {
var i = 0;
return {
next: function next() {
var done = i >= arraylike.length;
var value;
if (!done) {
value = arraylike[i];
i += 1;
}
return {
done: done,
value: value
};
}
};
};
var getNonCollectionIterator = function getNonCollectionIterator(iterable, noPrimordialCollections) {
if (isArray(iterable) || isArguments(iterable)) {
return getArrayIterator(iterable);
}
if (isString(iterable)) {
var i = 0;
return {
next: function next() {
var nextIndex = advanceStringIndex(iterable, i);
var value = $stringSlice(iterable, i, nextIndex);
i = nextIndex;
return {
done: nextIndex > iterable.length,
value: value
};
}
};
}
// es6-shim and es-shims' es-map use a string "_es6-shim iterator_" property on different iterables, such as MapIterator.
if (noPrimordialCollections && typeof iterable['_es6-shim iterator_'] !== 'undefined') {
return iterable['_es6-shim iterator_']();
}
};
if (!$Map && !$Set) {
// the only language iterables are Array, String, arguments
// - Safari <= 6.0
// - Chrome < 38
// - node < 0.12
// - FF < 13
// - IE < 11
// - Edge < 11
module.exports = function getIterator(iterable) {
if (iterable != null) {
return getNonCollectionIterator(iterable, true);
}
};
} else {
// either Map or Set are available, but Symbol is not
// - es6-shim on an ES5 browser
// - Safari 6.2 (maybe 6.1?)
// - FF v[13, 36)
// - IE 11
// - Edge 11
// - Safari v[6, 9)
var isMap = require('is-map');
var isSet = require('is-set');
// Firefox >= 27, IE 11, Safari 6.2 - 9, Edge 11, es6-shim in older envs, all have forEach
var $mapForEach = callBound('Map.prototype.forEach', true);
var $setForEach = callBound('Set.prototype.forEach', true);
if (typeof process === 'undefined' || !process.versions || !process.versions.node) { // "if is not node"
// Firefox 17 - 26 has `.iterator()`, whose iterator `.next()` either
// returns a value, or throws a StopIteration object. These browsers
// do not have any other mechanism for iteration.
var $mapIterator = callBound('Map.prototype.iterator', true);
var $setIterator = callBound('Set.prototype.iterator', true);
}
// Firefox 27-35, and some older es6-shim versions, use a string "@@iterator" property
// this returns a proper iterator object, so we should use it instead of forEach.
// newer es6-shim versions use a string "_es6-shim iterator_" property.
var $mapAtAtIterator = callBound('Map.prototype.@@iterator', true) || callBound('Map.prototype._es6-shim iterator_', true);
var $setAtAtIterator = callBound('Set.prototype.@@iterator', true) || callBound('Set.prototype._es6-shim iterator_', true);
var getCollectionIterator = function getCollectionIterator(iterable) {
if (isMap(iterable)) {
if ($mapIterator) {
return getStopIterationIterator($mapIterator(iterable));
}
if ($mapAtAtIterator) {
return $mapAtAtIterator(iterable);
}
if ($mapForEach) {
var entries = [];
$mapForEach(iterable, function (v, k) {
$arrayPush(entries, [k, v]);
});
return getArrayIterator(entries);
}
}
if (isSet(iterable)) {
if ($setIterator) {
return getStopIterationIterator($setIterator(iterable));
}
if ($setAtAtIterator) {
return $setAtAtIterator(iterable);
}
if ($setForEach) {
var values = [];
$setForEach(iterable, function (v) {
$arrayPush(values, v);
});
return getArrayIterator(values);
}
}
};
module.exports = function getIterator(iterable) {
return getCollectionIterator(iterable) || getNonCollectionIterator(iterable);
};
}
}

12
backend/node_modules/es-get-iterator/node.js generated vendored Executable file
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@@ -0,0 +1,12 @@
'use strict';
// this should only run in node >= 13.2, so it
// does not need any of the intense fallbacks that old node/browsers do
var $iterator = Symbol.iterator;
module.exports = function getIterator(iterable) {
// alternatively, `iterable[$iterator]?.()`
if (iterable != null && typeof iterable[$iterator] !== 'undefined') {
return iterable[$iterator]();
}
};

11
backend/node_modules/es-get-iterator/node.mjs generated vendored Executable file
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@@ -0,0 +1,11 @@
// this should only run in node >= 13.7, so it
// does not need any of the intense fallbacks that old node/browsers do
var $iterator = Symbol.iterator;
export default function getIterator(iterable) {
// alternatively, `iterable[$iterator]?.()`
if (iterable != null && iterable[$iterator] !== undefined) {
return iterable[$iterator]();
}
}

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@@ -0,0 +1,11 @@
{
"root": true,
"extends": "@ljharb",
"rules": {
"max-statements-per-line": [2, { "max": 2 }],
"no-magic-numbers": 0,
"multiline-comment-style": 0,
}
}

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@@ -0,0 +1,12 @@
# These are supported funding model platforms
github: [ljharb]
patreon: # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: npm/has-symbols
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

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@@ -0,0 +1,9 @@
{
"all": true,
"check-coverage": false,
"reporter": ["text-summary", "text", "html", "json"],
"exclude": [
"coverage",
"test"
]
}

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@@ -0,0 +1,91 @@
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [v1.1.0](https://github.com/inspect-js/has-symbols/compare/v1.0.3...v1.1.0) - 2024-12-02
### Commits
- [actions] update workflows [`548c0bf`](https://github.com/inspect-js/has-symbols/commit/548c0bf8c9b1235458df7a1c0490b0064647a282)
- [actions] further shard; update action deps [`bec56bb`](https://github.com/inspect-js/has-symbols/commit/bec56bb0fb44b43a786686b944875a3175cf3ff3)
- [meta] use `npmignore` to autogenerate an npmignore file [`ac81032`](https://github.com/inspect-js/has-symbols/commit/ac81032809157e0a079e5264e9ce9b6f1275777e)
- [New] add types [`6469cbf`](https://github.com/inspect-js/has-symbols/commit/6469cbff1866cfe367b2b3d181d9296ec14b2a3d)
- [actions] update rebase action to use reusable workflow [`9c9d4d0`](https://github.com/inspect-js/has-symbols/commit/9c9d4d0d8938e4b267acdf8e421f4e92d1716d72)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`adb5887`](https://github.com/inspect-js/has-symbols/commit/adb5887ca9444849b08beb5caaa9e1d42320cdfb)
- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`13ec198`](https://github.com/inspect-js/has-symbols/commit/13ec198ec80f1993a87710af1606a1970b22c7cb)
- [Dev Deps] update `auto-changelog`, `core-js`, `tape` [`941be52`](https://github.com/inspect-js/has-symbols/commit/941be5248387cab1da72509b22acf3fdb223f057)
- [Tests] replace `aud` with `npm audit` [`74f49e9`](https://github.com/inspect-js/has-symbols/commit/74f49e9a9d17a443020784234a1c53ce765b3559)
- [Dev Deps] update `npmignore` [`9c0ac04`](https://github.com/inspect-js/has-symbols/commit/9c0ac0452a834f4c2a4b54044f2d6a89f17e9a70)
- [Dev Deps] add missing peer dep [`52337a5`](https://github.com/inspect-js/has-symbols/commit/52337a5621cced61f846f2afdab7707a8132cc12)
## [v1.0.3](https://github.com/inspect-js/has-symbols/compare/v1.0.2...v1.0.3) - 2022-03-01
### Commits
- [actions] use `node/install` instead of `node/run`; use `codecov` action [`518b28f`](https://github.com/inspect-js/has-symbols/commit/518b28f6c5a516cbccae30794e40aa9f738b1693)
- [meta] add `bugs` and `homepage` fields; reorder package.json [`c480b13`](https://github.com/inspect-js/has-symbols/commit/c480b13fd6802b557e1cef9749872cb5fdeef744)
- [actions] reuse common workflows [`01d0ee0`](https://github.com/inspect-js/has-symbols/commit/01d0ee0a8d97c0947f5edb73eb722027a77b2b07)
- [actions] update codecov uploader [`6424ebe`](https://github.com/inspect-js/has-symbols/commit/6424ebe86b2c9c7c3d2e9bd4413a4e4f168cb275)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `tape` [`dfa7e7f`](https://github.com/inspect-js/has-symbols/commit/dfa7e7ff38b594645d8c8222aab895157fa7e282)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `tape` [`0c8d436`](https://github.com/inspect-js/has-symbols/commit/0c8d43685c45189cea9018191d4fd7eca91c9d02)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`9026554`](https://github.com/inspect-js/has-symbols/commit/902655442a1bf88e72b42345494ef0c60f5d36ab)
- [readme] add actions and codecov badges [`eaa9682`](https://github.com/inspect-js/has-symbols/commit/eaa9682f990f481d3acf7a1c7600bec36f7b3adc)
- [Dev Deps] update `eslint`, `tape` [`bc7a3ba`](https://github.com/inspect-js/has-symbols/commit/bc7a3ba46f27b7743f8a2579732d59d1b9ac791e)
- [Dev Deps] update `eslint`, `auto-changelog` [`0ace00a`](https://github.com/inspect-js/has-symbols/commit/0ace00af08a88cdd1e6ce0d60357d941c60c2d9f)
- [meta] use `prepublishOnly` script for npm 7+ [`093f72b`](https://github.com/inspect-js/has-symbols/commit/093f72bc2b0ed00c781f444922a5034257bf561d)
- [Tests] test on all 16 minors [`9b80d3d`](https://github.com/inspect-js/has-symbols/commit/9b80d3d9102529f04c20ec5b1fcc6e38426c6b03)
## [v1.0.2](https://github.com/inspect-js/has-symbols/compare/v1.0.1...v1.0.2) - 2021-02-27
### Fixed
- [Fix] use a universal way to get the original Symbol [`#11`](https://github.com/inspect-js/has-symbols/issues/11)
### Commits
- [Tests] migrate tests to Github Actions [`90ae798`](https://github.com/inspect-js/has-symbols/commit/90ae79820bdfe7bc703d67f5f3c5e205f98556d3)
- [meta] do not publish github action workflow files [`29e60a1`](https://github.com/inspect-js/has-symbols/commit/29e60a1b7c25c7f1acf7acff4a9320d0d10c49b4)
- [Tests] run `nyc` on all tests [`8476b91`](https://github.com/inspect-js/has-symbols/commit/8476b915650d360915abe2522505abf4b0e8f0ae)
- [readme] fix repo URLs, remove defunct badges [`126288e`](https://github.com/inspect-js/has-symbols/commit/126288ecc1797c0a40247a6b78bcb2e0bc5d7036)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `core-js`, `get-own-property-symbols` [`d84bdfa`](https://github.com/inspect-js/has-symbols/commit/d84bdfa48ac5188abbb4904b42614cd6c030940a)
- [Tests] fix linting errors [`0df3070`](https://github.com/inspect-js/has-symbols/commit/0df3070b981b6c9f2ee530c09189a7f5c6def839)
- [actions] add "Allow Edits" workflow [`1e6bc29`](https://github.com/inspect-js/has-symbols/commit/1e6bc29b188f32b9648657b07eda08504be5aa9c)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`36cea2a`](https://github.com/inspect-js/has-symbols/commit/36cea2addd4e6ec435f35a2656b4e9ef82498e9b)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1278338`](https://github.com/inspect-js/has-symbols/commit/127833801865fbc2cc8979beb9ca869c7bfe8222)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape` [`1493254`](https://github.com/inspect-js/has-symbols/commit/1493254eda13db5fb8fc5e4a3e8324b3d196029d)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js` [`b090bf2`](https://github.com/inspect-js/has-symbols/commit/b090bf214d3679a30edc1e2d729d466ab5183e1d)
- [actions] switch Automatic Rebase workflow to `pull_request_target` event [`4addb7a`](https://github.com/inspect-js/has-symbols/commit/4addb7ab4dc73f927ae99928d68817554fc21dc0)
- [Dev Deps] update `auto-changelog`, `tape` [`81d0baf`](https://github.com/inspect-js/has-symbols/commit/81d0baf3816096a89a8558e8043895f7a7d10d8b)
- [Dev Deps] update `auto-changelog`; add `aud` [`1a4e561`](https://github.com/inspect-js/has-symbols/commit/1a4e5612c25d91c3a03d509721d02630bc4fe3da)
- [readme] remove unused testling URLs [`3000941`](https://github.com/inspect-js/has-symbols/commit/3000941f958046e923ed8152edb1ef4a599e6fcc)
- [Tests] only audit prod deps [`692e974`](https://github.com/inspect-js/has-symbols/commit/692e9743c912410e9440207631a643a34b4741a1)
- [Dev Deps] update `@ljharb/eslint-config` [`51c946c`](https://github.com/inspect-js/has-symbols/commit/51c946c7f6baa793ec5390bb5a45cdce16b4ba76)
## [v1.0.1](https://github.com/inspect-js/has-symbols/compare/v1.0.0...v1.0.1) - 2019-11-16
### Commits
- [Tests] use shared travis-ci configs [`ce396c9`](https://github.com/inspect-js/has-symbols/commit/ce396c9419ff11c43d0da5d05cdbb79f7fb42229)
- [Tests] up to `node` `v12.4`, `v11.15`, `v10.15`, `v9.11`, `v8.15`, `v7.10`, `v6.17`, `v4.9`; use `nvm install-latest-npm` [`0690732`](https://github.com/inspect-js/has-symbols/commit/0690732801f47ab429f39ba1962f522d5c462d6b)
- [meta] add `auto-changelog` [`2163d0b`](https://github.com/inspect-js/has-symbols/commit/2163d0b7f36343076b8f947cd1667dd1750f26fc)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `core-js`, `safe-publish-latest`, `tape` [`8e0951f`](https://github.com/inspect-js/has-symbols/commit/8e0951f1a7a2e52068222b7bb73511761e6e4d9c)
- [actions] add automatic rebasing / merge commit blocking [`b09cdb7`](https://github.com/inspect-js/has-symbols/commit/b09cdb7cd7ee39e7a769878f56e2d6066f5ccd1d)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `core-js`, `get-own-property-symbols`, `tape` [`1dd42cd`](https://github.com/inspect-js/has-symbols/commit/1dd42cd86183ed0c50f99b1062345c458babca91)
- [meta] create FUNDING.yml [`aa57a17`](https://github.com/inspect-js/has-symbols/commit/aa57a17b19708906d1927f821ea8e73394d84ca4)
- Only apps should have lockfiles [`a2d8bea`](https://github.com/inspect-js/has-symbols/commit/a2d8bea23a97d15c09eaf60f5b107fcf9a4d57aa)
- [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops [`9e96cb7`](https://github.com/inspect-js/has-symbols/commit/9e96cb783746cbed0c10ef78e599a8eaa7ebe193)
- [meta] add `funding` field [`a0b32cf`](https://github.com/inspect-js/has-symbols/commit/a0b32cf68e803f963c1639b6d47b0a9d6440bab0)
- [Dev Deps] update `safe-publish-latest` [`cb9f0a5`](https://github.com/inspect-js/has-symbols/commit/cb9f0a521a3a1790f1064d437edd33bb6c3d6af0)
## v1.0.0 - 2016-09-19
### Commits
- Tests. [`ecb6eb9`](https://github.com/inspect-js/has-symbols/commit/ecb6eb934e4883137f3f93b965ba5e0a98df430d)
- package.json [`88a337c`](https://github.com/inspect-js/has-symbols/commit/88a337cee0864a0da35f5d19e69ff0ef0150e46a)
- Initial commit [`42e1e55`](https://github.com/inspect-js/has-symbols/commit/42e1e5502536a2b8ac529c9443984acd14836b1c)
- Initial implementation. [`33f5cc6`](https://github.com/inspect-js/has-symbols/commit/33f5cc6cdff86e2194b081ee842bfdc63caf43fb)
- read me [`01f1170`](https://github.com/inspect-js/has-symbols/commit/01f1170188ff7cb1558aa297f6ba5b516c6d7b0c)

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MIT License
Copyright (c) 2016 Jordan Harband
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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# has-symbols <sup>[![Version Badge][2]][1]</sup>
[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![dependency status][5]][6]
[![dev dependency status][7]][8]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][11]][1]
Determine if the JS environment has Symbol support. Supports spec, or shams.
## Example
```js
var hasSymbols = require('has-symbols');
hasSymbols() === true; // if the environment has native Symbol support. Not polyfillable, not forgeable.
var hasSymbolsKinda = require('has-symbols/shams');
hasSymbolsKinda() === true; // if the environment has a Symbol sham that mostly follows the spec.
```
## Supported Symbol shams
- get-own-property-symbols [npm](https://www.npmjs.com/package/get-own-property-symbols) | [github](https://github.com/WebReflection/get-own-property-symbols)
- core-js [npm](https://www.npmjs.com/package/core-js) | [github](https://github.com/zloirock/core-js)
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[1]: https://npmjs.org/package/has-symbols
[2]: https://versionbadg.es/inspect-js/has-symbols.svg
[5]: https://david-dm.org/inspect-js/has-symbols.svg
[6]: https://david-dm.org/inspect-js/has-symbols
[7]: https://david-dm.org/inspect-js/has-symbols/dev-status.svg
[8]: https://david-dm.org/inspect-js/has-symbols#info=devDependencies
[11]: https://nodei.co/npm/has-symbols.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/has-symbols.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/has-symbols.svg
[downloads-url]: https://npm-stat.com/charts.html?package=has-symbols
[codecov-image]: https://codecov.io/gh/inspect-js/has-symbols/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/has-symbols/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-symbols
[actions-url]: https://github.com/inspect-js/has-symbols/actions

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declare function hasNativeSymbols(): boolean;
export = hasNativeSymbols;

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'use strict';
var origSymbol = typeof Symbol !== 'undefined' && Symbol;
var hasSymbolSham = require('./shams');
/** @type {import('.')} */
module.exports = function hasNativeSymbols() {
if (typeof origSymbol !== 'function') { return false; }
if (typeof Symbol !== 'function') { return false; }
if (typeof origSymbol('foo') !== 'symbol') { return false; }
if (typeof Symbol('bar') !== 'symbol') { return false; }
return hasSymbolSham();
};

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{
"name": "has-symbols",
"version": "1.1.0",
"description": "Determine if the JS environment has Symbol support. Supports spec, or shams.",
"main": "index.js",
"scripts": {
"prepack": "npmignore --auto --commentLines=autogenerated",
"prepublishOnly": "safe-publish-latest",
"prepublish": "not-in-publish || npm run prepublishOnly",
"pretest": "npm run --silent lint",
"test": "npm run tests-only",
"posttest": "npx npm@'>=10.2' audit --production",
"tests-only": "npm run test:stock && npm run test:shams",
"test:stock": "nyc node test",
"test:staging": "nyc node --harmony --es-staging test",
"test:shams": "npm run --silent test:shams:getownpropertysymbols && npm run --silent test:shams:corejs",
"test:shams:corejs": "nyc node test/shams/core-js.js",
"test:shams:getownpropertysymbols": "nyc node test/shams/get-own-property-symbols.js",
"lint": "eslint --ext=js,mjs .",
"postlint": "tsc -p . && attw -P",
"version": "auto-changelog && git add CHANGELOG.md",
"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
},
"repository": {
"type": "git",
"url": "git://github.com/inspect-js/has-symbols.git"
},
"keywords": [
"Symbol",
"symbols",
"typeof",
"sham",
"polyfill",
"native",
"core-js",
"ES6"
],
"author": {
"name": "Jordan Harband",
"email": "ljharb@gmail.com",
"url": "http://ljharb.codes"
},
"contributors": [
{
"name": "Jordan Harband",
"email": "ljharb@gmail.com",
"url": "http://ljharb.codes"
}
],
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/ljharb/has-symbols/issues"
},
"homepage": "https://github.com/ljharb/has-symbols#readme",
"devDependencies": {
"@arethetypeswrong/cli": "^0.17.0",
"@ljharb/eslint-config": "^21.1.1",
"@ljharb/tsconfig": "^0.2.0",
"@types/core-js": "^2.5.8",
"@types/tape": "^5.6.5",
"auto-changelog": "^2.5.0",
"core-js": "^2.6.12",
"encoding": "^0.1.13",
"eslint": "=8.8.0",
"get-own-property-symbols": "^0.9.5",
"in-publish": "^2.0.1",
"npmignore": "^0.3.1",
"nyc": "^10.3.2",
"safe-publish-latest": "^2.0.0",
"tape": "^5.9.0",
"typescript": "next"
},
"testling": {
"files": "test/index.js",
"browsers": [
"iexplore/6.0..latest",
"firefox/3.0..6.0",
"firefox/15.0..latest",
"firefox/nightly",
"chrome/4.0..10.0",
"chrome/20.0..latest",
"chrome/canary",
"opera/10.0..latest",
"opera/next",
"safari/4.0..latest",
"ipad/6.0..latest",
"iphone/6.0..latest",
"android-browser/4.2"
]
},
"engines": {
"node": ">= 0.4"
},
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false,
"hideCredit": true
},
"publishConfig": {
"ignore": [
".github/workflows",
"types"
]
}
}

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declare function hasSymbolShams(): boolean;
export = hasSymbolShams;

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@@ -0,0 +1,45 @@
'use strict';
/** @type {import('./shams')} */
/* eslint complexity: [2, 18], max-statements: [2, 33] */
module.exports = function hasSymbols() {
if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
if (typeof Symbol.iterator === 'symbol') { return true; }
/** @type {{ [k in symbol]?: unknown }} */
var obj = {};
var sym = Symbol('test');
var symObj = Object(sym);
if (typeof sym === 'string') { return false; }
if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
// temp disabled per https://github.com/ljharb/object.assign/issues/17
// if (sym instanceof Symbol) { return false; }
// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
// if (!(symObj instanceof Symbol)) { return false; }
// if (typeof Symbol.prototype.toString !== 'function') { return false; }
// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }
var symVal = 42;
obj[sym] = symVal;
for (var _ in obj) { return false; } // eslint-disable-line no-restricted-syntax, no-unreachable-loop
if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
var syms = Object.getOwnPropertySymbols(obj);
if (syms.length !== 1 || syms[0] !== sym) { return false; }
if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
if (typeof Object.getOwnPropertyDescriptor === 'function') {
// eslint-disable-next-line no-extra-parens
var descriptor = /** @type {PropertyDescriptor} */ (Object.getOwnPropertyDescriptor(obj, sym));
if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
}
return true;
};

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@@ -0,0 +1,22 @@
'use strict';
var test = require('tape');
var hasSymbols = require('../');
var runSymbolTests = require('./tests');
test('interface', function (t) {
t.equal(typeof hasSymbols, 'function', 'is a function');
t.equal(typeof hasSymbols(), 'boolean', 'returns a boolean');
t.end();
});
test('Symbols are supported', { skip: !hasSymbols() }, function (t) {
runSymbolTests(t);
t.end();
});
test('Symbols are not supported', { skip: hasSymbols() }, function (t) {
t.equal(typeof Symbol, 'undefined', 'global Symbol is undefined');
t.equal(typeof Object.getOwnPropertySymbols, 'undefined', 'Object.getOwnPropertySymbols does not exist');
t.end();
});

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@@ -0,0 +1,29 @@
'use strict';
var test = require('tape');
if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
test('has native Symbol support', function (t) {
t.equal(typeof Symbol, 'function');
t.equal(typeof Symbol(), 'symbol');
t.end();
});
// @ts-expect-error TS is stupid and doesn't know about top level return
return;
}
var hasSymbols = require('../../shams');
test('polyfilled Symbols', function (t) {
/* eslint-disable global-require */
t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
require('core-js/fn/symbol');
require('core-js/fn/symbol/to-string-tag');
require('../tests')(t);
var hasSymbolsAfter = hasSymbols();
t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
/* eslint-enable global-require */
t.end();
});

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@@ -0,0 +1,29 @@
'use strict';
var test = require('tape');
if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') {
test('has native Symbol support', function (t) {
t.equal(typeof Symbol, 'function');
t.equal(typeof Symbol(), 'symbol');
t.end();
});
// @ts-expect-error TS is stupid and doesn't know about top level return
return;
}
var hasSymbols = require('../../shams');
test('polyfilled Symbols', function (t) {
/* eslint-disable global-require */
t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling');
require('get-own-property-symbols');
require('../tests')(t);
var hasSymbolsAfter = hasSymbols();
t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling');
/* eslint-enable global-require */
t.end();
});

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@@ -0,0 +1,58 @@
'use strict';
/** @type {(t: import('tape').Test) => false | void} */
// eslint-disable-next-line consistent-return
module.exports = function runSymbolTests(t) {
t.equal(typeof Symbol, 'function', 'global Symbol is a function');
if (typeof Symbol !== 'function') { return false; }
t.notEqual(Symbol(), Symbol(), 'two symbols are not equal');
/*
t.equal(
Symbol.prototype.toString.call(Symbol('foo')),
Symbol.prototype.toString.call(Symbol('foo')),
'two symbols with the same description stringify the same'
);
*/
/*
var foo = Symbol('foo');
t.notEqual(
String(foo),
String(Symbol('bar')),
'two symbols with different descriptions do not stringify the same'
);
*/
t.equal(typeof Symbol.prototype.toString, 'function', 'Symbol#toString is a function');
// t.equal(String(foo), Symbol.prototype.toString.call(foo), 'Symbol#toString equals String of the same symbol');
t.equal(typeof Object.getOwnPropertySymbols, 'function', 'Object.getOwnPropertySymbols is a function');
/** @type {{ [k in symbol]?: unknown }} */
var obj = {};
var sym = Symbol('test');
var symObj = Object(sym);
t.notEqual(typeof sym, 'string', 'Symbol is not a string');
t.equal(Object.prototype.toString.call(sym), '[object Symbol]', 'symbol primitive Object#toStrings properly');
t.equal(Object.prototype.toString.call(symObj), '[object Symbol]', 'symbol primitive Object#toStrings properly');
var symVal = 42;
obj[sym] = symVal;
// eslint-disable-next-line no-restricted-syntax, no-unused-vars
for (var _ in obj) { t.fail('symbol property key was found in for..in of object'); }
t.deepEqual(Object.keys(obj), [], 'no enumerable own keys on symbol-valued object');
t.deepEqual(Object.getOwnPropertyNames(obj), [], 'no own names on symbol-valued object');
t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'one own symbol on symbol-valued object');
t.equal(Object.prototype.propertyIsEnumerable.call(obj, sym), true, 'symbol is enumerable');
t.deepEqual(Object.getOwnPropertyDescriptor(obj, sym), {
configurable: true,
enumerable: true,
value: 42,
writable: true
}, 'property descriptor is correct');
};

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{
"extends": "@ljharb/tsconfig",
"compilerOptions": {
"target": "ES2021",
"maxNodeModuleJsDepth": 0,
},
"exclude": [
"coverage"
]
}

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root = true
[*]
indent_style = tab
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
[{package.json,*.yml}]
indent_style = space
indent_size = 2
[*.md]
trim_trailing_whitespace = false

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@@ -0,0 +1,5 @@
{
"root": true,
"extends": "@ljharb",
}

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* text=auto

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# These are supported funding model platforms
github: [ljharb]
patreon: # Replace with a single Patreon username
open_collective: # Replace with a single Open Collective username
ko_fi: # Replace with a single Ko-fi username
tidelift: npm/is-map
community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
liberapay: # Replace with a single Liberapay username
issuehunt: # Replace with a single IssueHunt username
otechie: # Replace with a single Otechie username
custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

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{
"all": true,
"check-coverage": false,
"reporter": ["text-summary", "text", "html", "json"],
"exclude": [
"coverage",
"test"
]
}

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@@ -0,0 +1,89 @@
# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [v2.0.3](https://github.com/inspect-js/is-map/compare/v2.0.2...v2.0.3) - 2024-03-08
### Commits
- [actions] reuse common workflows [`ce10d0f`](https://github.com/inspect-js/is-map/commit/ce10d0f82fcec150b5d283202c1988887d618895)
- [meta] use `npmignore` to autogenerate an npmignore file [`e07e23a`](https://github.com/inspect-js/is-map/commit/e07e23affca99f469937dade44abc02e05a26739)
- add types [`cd13cfb`](https://github.com/inspect-js/is-map/commit/cd13cfb54647def94a0df9a276a92298891f7bdd)
- [actions] use `node/install` instead of `node/run`; use `codecov` action [`1e055f9`](https://github.com/inspect-js/is-map/commit/1e055f9ea79c6c7cb6f8182e644c08ae167d358b)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `object-inspect`, `safe-publish-latest`, `tape` [`12d125e`](https://github.com/inspect-js/is-map/commit/12d125ef5bd4d6cf0468f406bf3dd3b873aa3af9)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es5-shim`, `object-inspect`, `tape` [`adfb18e`](https://github.com/inspect-js/is-map/commit/adfb18ee26fa3ecadfdb16657a5423dda4248ca3)
- [actions] remove redundant finisher [`c5511b7`](https://github.com/inspect-js/is-map/commit/c5511b79c739a08f7da40b9cae2391d10b4b613c)
- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `es6-shim`, `npmignore`, `object-inspect`, `tape` [`b2c7d67`](https://github.com/inspect-js/is-map/commit/b2c7d674d2e78f5fb67a7e69b83ae177255fb8da)
- [actions] update rebase action to use reusable workflow [`bbad644`](https://github.com/inspect-js/is-map/commit/bbad64428c5b777070ed86130669211ec1645714)
- [actions] update codecov uploader [`8f57f98`](https://github.com/inspect-js/is-map/commit/8f57f98d3e3897fa82e87a155f05b7fdb174c222)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `auto-changelog`, `es5-shim`, `object-inspect`, `tape` [`d330ff4`](https://github.com/inspect-js/is-map/commit/d330ff4cbdbbce8402da928cab040e2c85126506)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape` [`454e31c`](https://github.com/inspect-js/is-map/commit/454e31ccecaa2ac78c7397afe2b0101576ad5b11)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es5-shim`, `tape` [`b43283d`](https://github.com/inspect-js/is-map/commit/b43283dcd906d2024d2b78448bf8b679922d791b)
- [readme] add actions and codecov badges [`0fc119e`](https://github.com/inspect-js/is-map/commit/0fc119ed01da39b3444478f7912447f6f298339f)
- [Dev Deps] update `eslint`, `object-inspect` [`e2311f8`](https://github.com/inspect-js/is-map/commit/e2311f8984f2e2efda5011b4636275bfa7b17e8d)
- [meta] add missing `engines.node` [`9bddaf2`](https://github.com/inspect-js/is-map/commit/9bddaf20a47fc5f359d171c8a7d43ac667d4680d)
- [meta] use `prepublishOnly` script for npm 7+ [`d3b7661`](https://github.com/inspect-js/is-map/commit/d3b76613fcd34381a1ccdf17f4ab6e3e892dfc5f)
- [Dev Deps] update `safe-publish-latest` [`00d7b69`](https://github.com/inspect-js/is-map/commit/00d7b69c315b9404b49c8d0ca85774f739f25a61)
- [meta] add `sideEffects` flag [`bab4457`](https://github.com/inspect-js/is-map/commit/bab445707d11d590f2650f43b58bf9fa8dd664d1)
## [v2.0.2](https://github.com/inspect-js/is-map/compare/v2.0.1...v2.0.2) - 2020-12-13
### Commits
- [Tests] migrate tests to Github Actions [`349a036`](https://github.com/inspect-js/is-map/commit/349a0362a744d024937a4356134389cbebf0c1a7)
- [meta] do not publish github action workflow files [`f473ae7`](https://github.com/inspect-js/is-map/commit/f473ae777d15c5d247002f5aaa52ed4ada3a5dd4)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `auto-changelog`, `es6-shim`, `object-inspect`, `tape` [`12dbda3`](https://github.com/inspect-js/is-map/commit/12dbda37a97c0dab0a3874a6cff086cd44f1c94c)
- [Tests] run `nyc` on all tests; use `tape` runner; add `core-js` tests [`b280737`](https://github.com/inspect-js/is-map/commit/b280737c513588fef4b88c16328627744c8ab946)
- [actions] add "Allow Edits" workflow [`d8dcf17`](https://github.com/inspect-js/is-map/commit/d8dcf17dd6b1cc09b8de369aa87188f469297b7c)
- [readme] remove travis badge [`eab86f9`](https://github.com/inspect-js/is-map/commit/eab86f94cca4941861784e5eb8b7ca05e847e0b5)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`9c87af5`](https://github.com/inspect-js/is-map/commit/9c87af5008a4ff79bffc3a6de55bf2d65979db6d)
- [actions] switch Automatic Rease workflow to `pull_request_tarbget` event [`71647b8`](https://github.com/inspect-js/is-map/commit/71647b805066ecbc096d5742fd69046d22f2b5c4)
- [Dev Deps] update `es5-shim`, `tape` [`3a91230`](https://github.com/inspect-js/is-map/commit/3a912305d7d836e8d6e4f80e9047e3beff8ea887)
- [Dev Deps] update `auto-changelog`; add `aud` [`d3cd3da`](https://github.com/inspect-js/is-map/commit/d3cd3da9008756a02c2b26b45292c477bf9594a9)
- [Tests] only audit prod deps [`83ef327`](https://github.com/inspect-js/is-map/commit/83ef327c62d54a48193bf95ed8cb6c4dff0a2035)
- [meta] normalize line endings [`81a9eec`](https://github.com/inspect-js/is-map/commit/81a9eec713f8e309fa1f0ffb7e4b154c359b367b)
## [v2.0.1](https://github.com/inspect-js/is-map/compare/v2.0.0...v2.0.1) - 2019-12-17
### Fixed
- [Refactor] avoid top-level return, because babel and webpack are broken [`#5`](https://github.com/inspect-js/is-map/issues/5) [`#4`](https://github.com/inspect-js/is-map/issues/4) [`#3`](https://github.com/inspect-js/is-map/issues/3) [`#78`](https://github.com/inspect-js/node-deep-equal/issues/78) [`#7`](https://github.com/es-shims/Promise.allSettled/issues/7) [`#12`](https://github.com/airbnb/js-shims/issues/12)
### Commits
- [actions] add automatic rebasing / merge commit blocking [`743f29f`](https://github.com/inspect-js/is-map/commit/743f29fc527b4a8a56a7045ad3d56ecfc798b1a3)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape` [`8ced854`](https://github.com/inspect-js/is-map/commit/8ced854c842c86cb126b86618cb4f90ef6a04f2b)
## [v2.0.0](https://github.com/inspect-js/is-map/compare/v1.0.1...v2.0.0) - 2019-11-12
### Commits
- Initial commit [`38592bc`](https://github.com/inspect-js/is-map/commit/38592bcb928d97b244cca6cee91142a44bcf5ab1)
- Tests [`ca54632`](https://github.com/inspect-js/is-map/commit/ca546326943385052e8b5a04377f1f8b110b7306)
- readme [`9ad8bb6`](https://github.com/inspect-js/is-map/commit/9ad8bb6bc2fb295ada21e1cd901c89aa55acad37)
- implementation [`03e1dbc`](https://github.com/inspect-js/is-map/commit/03e1dbc64eb09e6caba919c9ae5662992f0a9b52)
- npm init [`d05ce8b`](https://github.com/inspect-js/is-map/commit/d05ce8b0ad797c97ed23a7730a9e211e5fe0fe92)
- [meta] add `funding` field; create `FUNDING.yml` [`2d56b4e`](https://github.com/inspect-js/is-map/commit/2d56b4e2a44e6eb4557d9d192a863c92b68c6597)
- [meta] add `safe-publish-latest`, `auto-changelog` [`2ebecb5`](https://github.com/inspect-js/is-map/commit/2ebecb5a3fe5fa682d5d04d1cd87f4d88ba22ec9)
- [Tests] add `npm run lint` [`ddc3e32`](https://github.com/inspect-js/is-map/commit/ddc3e320c3d181b9111dd3a86df486604710e08c)
- [Tests] use shared travis-ci configs [`69f6d9c`](https://github.com/inspect-js/is-map/commit/69f6d9c52a06dda27419eb41572b8db6009f6d49)
- Only apps should have lockfiles [`408cccd`](https://github.com/inspect-js/is-map/commit/408cccdc824c017547573d816b2201e9cfb9a292)
- [Tests] add `npx aud` in `posttest` [`5eadb02`](https://github.com/inspect-js/is-map/commit/5eadb02075754732df3532bc2e98ca6307c46537)
## [v1.0.1](https://github.com/inspect-js/is-map/compare/v1.0.0...v1.0.1) - 2015-07-02
### Commits
- small tweaks [`2bd7622`](https://github.com/inspect-js/is-map/commit/2bd762263930d4f72eedd3a54678e1692062d53f)
- Add `related` section to readme [`3231e74`](https://github.com/inspect-js/is-map/commit/3231e748fbf1d4d7d1662b8a559e73cc1e69468b)
- Update license info in `readme.md` [`3a03b38`](https://github.com/inspect-js/is-map/commit/3a03b387b798d5eda09965dcf63e0c9fb9c7ddac)
- editorconfig: indent yml using 2 spaces [`d724177`](https://github.com/inspect-js/is-map/commit/d724177b7eb103174cd9ca1dce4a914e3dfdb1cd)
## v1.0.0 - 2015-02-18
### Commits
- init [`73b9f38`](https://github.com/inspect-js/is-map/commit/73b9f38e3d3c0435e639a7e054714d71b6ddae9b)

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@@ -0,0 +1,21 @@
MIT License
Copyright (c) 2019 Inspect JS
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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# is-map <sup>[![Version Badge][2]][1]</sup>
[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![dependency status][5]][6]
[![dev dependency status][7]][8]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][11]][1]
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
## Example
```js
var isMap = require('is-map');
assert(!isMap(function () {}));
assert(!isMap(null));
assert(!isMap(function* () { yield 42; return Infinity; });
assert(!isMap(Symbol('foo')));
assert(!isMap(1n));
assert(!isMap(Object(1n)));
assert(!isMap(new Set()));
assert(!isMap(new WeakSet()));
assert(!isMap(new WeakMap()));
assert(isMap(new Map()));
class MyMap extends Map {}
assert(isMap(new MyMap()));
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[1]: https://npmjs.org/package/is-map
[2]: https://versionbadg.es/inspect-js/is-map.svg
[5]: https://david-dm.org/inspect-js/is-map.svg
[6]: https://david-dm.org/inspect-js/is-map
[7]: https://david-dm.org/inspect-js/is-map/dev-status.svg
[8]: https://david-dm.org/inspect-js/is-map#info=devDependencies
[11]: https://nodei.co/npm/is-map.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/is-map.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/is-map.svg
[downloads-url]: https://npm-stat.com/charts.html?package=is-map
[codecov-image]: https://codecov.io/gh/inspect-js/is-map/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/is-map/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-map
[actions-url]: https://github.com/inspect-js/is-map/actions

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declare function isMap<K = unknown, V = unknown>(x: unknown): x is Map<K, V>;
export = isMap;

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'use strict';
/** @const */
var $Map = typeof Map === 'function' && Map.prototype ? Map : null;
var $Set = typeof Set === 'function' && Set.prototype ? Set : null;
var exported;
if (!$Map) {
/** @type {import('.')} */
// eslint-disable-next-line no-unused-vars
exported = function isMap(x) {
// `Map` is not present in this environment.
return false;
};
}
var $mapHas = $Map ? Map.prototype.has : null;
var $setHas = $Set ? Set.prototype.has : null;
if (!exported && !$mapHas) {
/** @type {import('.')} */
// eslint-disable-next-line no-unused-vars
exported = function isMap(x) {
// `Map` does not have a `has` method
return false;
};
}
/** @type {import('.')} */
module.exports = exported || function isMap(x) {
if (!x || typeof x !== 'object') {
return false;
}
try {
$mapHas.call(x);
if ($setHas) {
try {
$setHas.call(x);
} catch (e) {
return true;
}
}
// @ts-expect-error TS can't figure out that $Map is always truthy here
return x instanceof $Map; // core-js workaround, pre-v2.5.0
} catch (e) {}
return false;
};

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{
"name": "is-map",
"version": "2.0.3",
"description": "Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.",
"main": "index.js",
"sideEffects": false,
"scripts": {
"prepack": "npmignore --auto --commentLines=autogenerated",
"version": "auto-changelog && git add CHANGELOG.md",
"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\"",
"prepublishOnly": "safe-publish-latest",
"prepublish": "not-in-publish || npm run prepublishOnly",
"pretest": "npm run lint",
"lint": "eslint --ext=js,mjs .",
"postlint": "tsc -p . && attw -P",
"tests-only": "nyc tape 'test/**/*.js'",
"tests:shims": "nyc tape --require=es5-shim --require=es5-shim 'test/**/*.js'",
"tests:corejs": "nyc tape --require=core-js 'test/**/*.js'",
"test": "npm run tests-only && npm run tests:shims && npm run tests:corejs",
"posttest": "aud --production"
},
"repository": {
"type": "git",
"url": "git+https://github.com/inspect-js/is-map.git"
},
"keywords": [
"map",
"set",
"collection",
"is",
"robust"
],
"author": "Jordan Harband <ljharb@gmail.com>",
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/inspect-js/is-map/issues"
},
"homepage": "https://github.com/inspect-js/is-map#readme",
"devDependencies": {
"@arethetypeswrong/cli": "^0.15.0",
"@ljharb/eslint-config": "^21.1.0",
"@types/for-each": "^0.3.3",
"@types/object-inspect": "^1.8.4",
"@types/tape": "^5.6.4",
"aud": "^2.0.4",
"auto-changelog": "^2.4.0",
"core-js": "^2.6.12",
"es5-shim": "^4.6.7",
"es6-shim": "^0.35.8",
"eslint": "=8.8.0",
"for-each": "^0.3.3",
"in-publish": "^2.0.1",
"npmignore": "^0.3.1",
"nyc": "^10.3.2",
"object-inspect": "^1.13.1",
"safe-publish-latest": "^2.0.0",
"tape": "^5.7.5",
"typescript": "^5.5.0-dev.20240308"
},
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false,
"hideCredit": true
},
"publishConfig": {
"ignore": [
".github/workflows"
]
},
"engines": {
"node": ">= 0.4"
}
}

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@@ -0,0 +1,59 @@
'use strict';
var test = require('tape');
var debug = require('object-inspect');
var forEach = require('for-each');
var isMap = require('..');
test('non-collections', function (t) {
forEach([
null,
undefined,
true,
false,
42,
0,
-0,
NaN,
Infinity,
'',
'foo',
/a/g,
[],
{},
function () {}
], function (nonCollection) {
t.equal(isMap(nonCollection), false, debug(nonCollection) + ' is not a Map');
});
t.end();
});
test('Maps', { skip: typeof Map !== 'function' }, function (t) {
var m = new Map();
t.equal(isMap(m), true, debug(m) + ' is a Map');
t.end();
});
test('Sets', { skip: typeof Set !== 'function' }, function (t) {
var s = new Set();
t.equal(isMap(s), false, debug(s) + ' is not a Map');
t.end();
});
test('WeakMaps', { skip: typeof WeakMap !== 'function' }, function (t) {
var wm = new WeakMap();
t.equal(isMap(wm), false, debug(wm) + ' is not a Map');
t.end();
});
test('WeakSets', { skip: typeof WeakSet !== 'function' }, function (t) {
var ws = new WeakSet();
t.equal(isMap(ws), false, debug(ws) + ' is not a Map');
t.end();
});

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@@ -0,0 +1,49 @@
{
"compilerOptions": {
/* Visit https://aka.ms/tsconfig to read more about this file */
/* Projects */
/* Language and Environment */
"target": "ESNext", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
// "lib": [], /* Specify a set of bundled library declaration files that describe the target runtime environment. */
// "noLib": true, /* Disable including any library files, including the default lib.d.ts. */
"useDefineForClassFields": true, /* Emit ECMAScript-standard-compliant class fields. */
// "moduleDetection": "auto", /* Control what method is used to detect module-format JS files. */
/* Modules */
"module": "commonjs", /* Specify what module code is generated. */
// "rootDir": "./", /* Specify the root folder within your source files. */
// "moduleResolution": "node10", /* Specify how TypeScript looks up a file from a given module specifier. */
// "baseUrl": "./", /* Specify the base directory to resolve non-relative module names. */
// "paths": {}, /* Specify a set of entries that re-map imports to additional lookup locations. */
// "rootDirs": [], /* Allow multiple folders to be treated as one when resolving modules. */
"typeRoots": ["types"], /* Specify multiple folders that act like './node_modules/@types'. */
"resolveJsonModule": true, /* Enable importing .json files. */
// "allowArbitraryExtensions": true, /* Enable importing files with any extension, provided a declaration file is present. */
/* JavaScript Support */
"allowJs": true, /* Allow JavaScript files to be a part of your program. Use the 'checkJS' option to get errors from these files. */
"checkJs": true, /* Enable error reporting in type-checked JavaScript files. */
"maxNodeModuleJsDepth": 0, /* Specify the maximum folder depth used for checking JavaScript files from 'node_modules'. Only applicable with 'allowJs'. */
/* Emit */
"declaration": true, /* Generate .d.ts files from TypeScript and JavaScript files in your project. */
"declarationMap": true, /* Create sourcemaps for d.ts files. */
"noEmit": true, /* Disable emitting files from a compilation. */
/* Interop Constraints */
"allowSyntheticDefaultImports": true, /* Allow 'import x from y' when a module doesn't have a default export. */
"esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */
"forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */
/* Type Checking */
"strict": true, /* Enable all strict type-checking options. */
/* Completeness */
//"skipLibCheck": true /* Skip type checking all .d.ts files. */
},
"exclude": [
"coverage"
]
}

102
backend/node_modules/es-get-iterator/package.json generated vendored Executable file
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@@ -0,0 +1,102 @@
{
"name": "es-get-iterator",
"version": "1.1.3",
"description": "Get an iterator for any JS language value. Works robustly across all environments, all versions.",
"main": "./index.js",
"browser": "./index.js",
"exports": {
".": [
{
"browser": "./index.js",
"import": "./node.mjs",
"default": "./node.js"
},
"./node.js"
],
"./package": "./package.json",
"./package.json": "./package.json"
},
"type": "commonjs",
"scripts": {
"prepack": "npmignore --auto --commentLines=autogenerated",
"prepublish": "not-in-publish || npm run prepublishOnly",
"prepublishOnly": "safe-publish-latest",
"lint": "eslint --ext=js,mjs .",
"pretest": "npm run lint",
"tests-only": "nyc node test/${TEST_VARIANT-}",
"tests-esm": "TEST_VARIANT=node.mjs npm run tests-only",
"tests-preload-es6-shim": "TEST_VARIANT=es6-shim PRELOAD_GET_ITERATOR=true npm run tests-only",
"test": "npm run tests-only && TEST_VARIANT=node npm run tests-only && npm run tests-esm && npm run tests-preload-es6-shim",
"posttest": "aud --production",
"version": "auto-changelog && git add CHANGELOG.md",
"postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\""
},
"repository": {
"type": "git",
"url": "git+https://github.com/ljharb/es-get-iterator.git"
},
"keywords": [
"iterator",
"Symbol.iterator",
"iterable",
"collection",
"next",
"iteration"
],
"author": "Jordan Harband <ljharb@gmail.com>",
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"license": "MIT",
"bugs": {
"url": "https://github.com/ljharb/es-get-iterator/issues"
},
"homepage": "https://github.com/ljharb/es-get-iterator#readme",
"devDependencies": {
"@ljharb/eslint-config": "^21.0.1",
"aud": "^2.0.2",
"auto-changelog": "^2.4.0",
"core-js": "^2.6.10 || ^3.4.2",
"es5-shim": "^4.6.7",
"es6-shim": "^0.35.7",
"eslint": "=8.8.0",
"for-each": "^0.3.3",
"has-bigints": "^1.0.2",
"npmignore": "^0.3.0",
"nyc": "^10.3.2",
"object-inspect": "^1.12.3",
"safe-publish-latest": "^2.0.0",
"tape": "^5.6.1"
},
"testling": {
"files": "./test/index.js"
},
"greenkeeper": {
"ignore": [
"nyc"
]
},
"dependencies": {
"call-bind": "^1.0.2",
"get-intrinsic": "^1.1.3",
"has-symbols": "^1.0.3",
"is-arguments": "^1.1.1",
"is-map": "^2.0.2",
"is-set": "^2.0.2",
"is-string": "^1.0.7",
"isarray": "^2.0.5",
"stop-iteration-iterator": "^1.0.0"
},
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false
},
"publishConfig": {
"ignore": [
".github/workflows"
]
}
}

5
backend/node_modules/es-get-iterator/test/core-js.js generated vendored Executable file
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@@ -0,0 +1,5 @@
'use strict';
require('core-js');
require('./');

11
backend/node_modules/es-get-iterator/test/es6-shim.js generated vendored Executable file
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@@ -0,0 +1,11 @@
'use strict';
if (process.env.PRELOAD_GET_ITERATOR) {
// eslint-disable-next-line global-require
require('../');
}
require('es5-shim');
require('es6-shim');
require('./');

178
backend/node_modules/es-get-iterator/test/index.js generated vendored Executable file
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@@ -0,0 +1,178 @@
'use strict';
var test = require('tape');
var Test = require('tape/lib/test');
var inspect = require('object-inspect');
// eslint-disable-next-line global-require
var hasSymbols = require('has-symbols')() || require('has-symbols/shams')();
var hasBigInts = require('has-bigints')();
var forEach = require('for-each');
var getIterator = process.env.TEST_VARIANT === 'node' ? require('../node') : require('../');
Test.prototype.iterate = function (value, expected, message) {
var i = 0;
this.test(message, function (t) {
var iterator = getIterator(value);
if (!iterator) {
t.fail(inspect(value) + ' is not iterable');
return t.end();
}
if (typeof iterator.next !== 'function') {
t.fail('iterator does not have a next function, got ' + inspect(iterator));
return t.end();
}
var result;
while ((result = iterator.next()) && !result.done) {
var expectedDebug = typeof expected[i] === 'string' ? expected[i].charCodeAt(0) : expected[i];
var actualDebug = typeof result.value === 'string' ? result.value.charCodeAt(0) : result.value;
t.deepEqual(result.value, expected[i], 'index ' + i + ': expected ' + inspect(expectedDebug) + ', got ' + inspect(actualDebug));
i += 1;
}
t.equal(i, expected.length, 'expected ' + expected.length + ' values, got ' + i + ' values');
t.end();
});
};
Test.prototype.noIterate = function (value) {
this.equal(getIterator(value), undefined, inspect(value) + ' is not iterable');
};
Test.prototype.fakeIterator = function (value) {
this.test(inspect(value) + ' with a fake iterator', { skip: !hasSymbols }, function (t) {
var fakeValues = ['fake', 'iterator', 'scary'];
var o = Object(value);
o[Symbol.iterator] = function () {
return getIterator(fakeValues);
};
t.iterate(o, fakeValues, inspect(o) + ' with an overwritten iterator method, yields those values instead');
t.end();
});
};
var getArguments = function () { return arguments; };
var getSloppyArguments = Function('return arguments');
var collect = function createCollection(C, items) {
var c = new C();
forEach(items, function (item) {
if (c.add) {
c.add(item);
} else {
c.set(item[0], item[1]);
}
});
return c;
};
var runTests = function runTests(t) {
t.test('strings', function (st) {
st.iterate('', [], '"" yields nothing');
st.iterate(Object(''), [], inspect(Object('')) + ' yields nothing');
st.iterate('foo', ['f', 'o', 'o'], '"foo" yields three chars');
st.iterate(Object('foo'), ['f', 'o', 'o'], inspect(Object('foo')) + ' yields three chars');
st.iterate('a💩z', ['a', '💩', 'z'], '"a💩z" yields three code points');
st.iterate(Object('a💩z'), ['a', '💩', 'z'], inspect(Object('a💩z')) + ' yields three code points');
st.iterate('\ud83dX', ['\ud83d', 'X'], '(lone surrogate followed by "not a lone surrogate ending") yields one code point');
st.fakeIterator('abc');
st.end();
});
t.test('arrays', function (st) {
st.iterate([], [], '[] yields nothing');
st.iterate([1, 2], [1, 2], '[1, 2] yields [1, 2]');
// eslint-disable-next-line no-sparse-arrays
st.iterate([1, , 3], [1, undefined, 3], 'sparse array does not skip holes');
st.fakeIterator([1, 2, 3]);
st.end();
});
t.test('arguments', function (st) {
st.iterate(getArguments(), [], 'empty arguments object yields nothing');
st.iterate(getSloppyArguments(), [], 'empty sloppy arguments object yields nothing');
st.iterate(getArguments(1, 2, 3), [1, 2, 3], 'arguments object yields all args');
st.iterate(getSloppyArguments(1, 2, 3), [1, 2, 3], 'sloppy arguments object yields all args');
st.fakeIterator(getArguments(1, 2, 3));
st.fakeIterator(getSloppyArguments(1, 2, 3));
st.end();
});
t.test('non-iterables', function (st) {
var numbers = [0, -0, NaN, Infinity, 42];
var nonIterables = [
undefined,
null,
true,
false,
{},
/a/g,
function () {}
];
if (hasSymbols) {
nonIterables.push(Symbol.iterator);
}
if (hasBigInts) {
nonIterables.push(BigInt(42), BigInt(0));
}
forEach(nonIterables, function (nonIterable) {
st.noIterate(nonIterable);
if (nonIterable != null) {
st.fakeIterator(nonIterable);
}
});
if (hasSymbols && NaN[Symbol.iterator]) {
st.comment('# SKIP core-js v2 makes numbers iterable, in violation of the spec');
}
forEach(numbers, function (number) {
if (!hasSymbols || !number[Symbol.iterator]) {
st.noIterate(number);
}
st.fakeIterator(number);
});
st.end();
});
t.test('Map', { skip: typeof Map !== 'function' }, function (st) {
st.iterate(new Map(), [], 'empty Map yields nothing');
var entries = [
[1, 'a'],
[2, 'b'],
[3, 'c']
];
var m = collect(Map, entries);
st.iterate(m, entries, inspect(m) + ' yields expected entries');
st.fakeIterator(collect(Map, entries));
st.end();
});
t.test('Set', { skip: typeof Set !== 'function' }, function (st) {
st.iterate(new Set(), [], 'empty Set yields nothing');
var values = [
1,
2,
3
];
var s = collect(Set, values);
st.iterate(s, values, inspect(s) + ' yields expected values');
st.fakeIterator(collect(Set, values));
st.end();
});
};
test((process.env.TEST_VARIANT || 'standard') + ': getIterator tests', function (t) {
runTests(t);
t.end();
});

3
backend/node_modules/es-get-iterator/test/node.js generated vendored Executable file
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@@ -0,0 +1,3 @@
'use strict';
require('./');

10
backend/node_modules/es-get-iterator/test/node.mjs generated vendored Executable file
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@@ -0,0 +1,10 @@
import getIterator from 'es-get-iterator';
import Module from 'module';
const require = Module.createRequire(import.meta.url);
const id = require.resolve('../node');
const mod = new Module(id);
mod.exports = getIterator;
require.cache[id] = mod;
require('./');