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ljharb-safe-array-concat-a698ebe/ 0000775 0000000 0000000 00000000000 15171341526 0016763 5 ustar 00root root 0000000 0000000 ljharb-safe-array-concat-a698ebe/.eslintrc 0000664 0000000 0000000 00000000311 15171341526 0020602 0 ustar 00root root 0000000 0000000 {
"root": true,
"extends": "@ljharb",
"rules": {
"id-length": "off",
"max-lines-per-function": "off",
"new-cap": ["error", {
"capIsNewExceptions": [
"GetIntrinsic",
],
}],
},
}
ljharb-safe-array-concat-a698ebe/.github/ 0000775 0000000 0000000 00000000000 15171341526 0020323 5 ustar 00root root 0000000 0000000 ljharb-safe-array-concat-a698ebe/.github/FUNDING.yml 0000664 0000000 0000000 00000001114 15171341526 0022135 0 ustar 00root root 0000000 0000000 # 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/safe-array-concat
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']
ljharb-safe-array-concat-a698ebe/.github/workflows/ 0000775 0000000 0000000 00000000000 15171341526 0022360 5 ustar 00root root 0000000 0000000 ljharb-safe-array-concat-a698ebe/.github/workflows/node-aught.yml 0000664 0000000 0000000 00000000533 15171341526 0025137 0 ustar 00root root 0000000 0000000 name: 'Tests: node.js < 10'
on: [pull_request, push]
permissions:
contents: read
jobs:
tests:
uses: ljharb/actions/.github/workflows/node.yml@main
with:
range: '< 10'
type: minors
command: npm run tests-only
node:
name: 'node < 10'
needs: [tests]
runs-on: ubuntu-latest
steps:
- run: true
ljharb-safe-array-concat-a698ebe/.github/workflows/node-pretest.yml 0000664 0000000 0000000 00000000245 15171341526 0025515 0 ustar 00root root 0000000 0000000 name: 'Tests: pretest/posttest'
on: [pull_request, push]
permissions:
contents: read
jobs:
tests:
uses: ljharb/actions/.github/workflows/pretest.yml@main
ljharb-safe-array-concat-a698ebe/.github/workflows/node-tens.yml 0000664 0000000 0000000 00000000547 15171341526 0025005 0 ustar 00root root 0000000 0000000 name: 'Tests: node.js 10 - 20'
on: [pull_request, push]
permissions:
contents: read
jobs:
tests:
uses: ljharb/actions/.github/workflows/node.yml@main
with:
range: '>= 10 < 20'
type: minors
command: npm run tests-only
node:
name: 'node 10 - 20'
needs: [tests]
runs-on: ubuntu-latest
steps:
- run: true
ljharb-safe-array-concat-a698ebe/.github/workflows/node-twenties.yml 0000664 0000000 0000000 00000000536 15171341526 0025674 0 ustar 00root root 0000000 0000000 name: 'Tests: node.js >= 20'
on: [pull_request, push]
permissions:
contents: read
jobs:
tests:
uses: ljharb/actions/.github/workflows/node.yml@main
with:
range: '>= 20'
type: minors
command: npm run tests-only
node:
name: 'node >= 20'
needs: [tests]
runs-on: ubuntu-latest
steps:
- run: true
ljharb-safe-array-concat-a698ebe/.github/workflows/rebase.yml 0000664 0000000 0000000 00000000473 15171341526 0024350 0 ustar 00root root 0000000 0000000 name: Automatic Rebase
on: [pull_request_target]
permissions:
contents: write # for ljharb/rebase to push code to rebase
pull-requests: read # for ljharb/rebase to get info about PR
jobs:
_:
uses: ljharb/actions/.github/workflows/rebase.yml@main
secrets:
token: ${{ secrets.GITHUB_TOKEN }}
ljharb-safe-array-concat-a698ebe/.github/workflows/require-allow-edits.yml 0000664 0000000 0000000 00000000515 15171341526 0027002 0 ustar 00root root 0000000 0000000 name: Require “Allow Edits”
on: [pull_request_target]
permissions:
contents: read
jobs:
_:
permissions:
pull-requests: read # for ljharb/require-allow-edits to check 'allow edits' on PR
name: "Require “Allow Edits”"
runs-on: ubuntu-latest
steps:
- uses: ljharb/require-allow-edits@main
ljharb-safe-array-concat-a698ebe/.gitignore 0000664 0000000 0000000 00000003251 15171341526 0020754 0 ustar 00root root 0000000 0000000 # Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
lerna-debug.log*
# Diagnostic reports (https://nodejs.org/api/report.html)
report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
# Runtime data
pids
*.pid
*.seed
*.pid.lock
# Directory for instrumented libs generated by jscoverage/JSCover
lib-cov
# Coverage directory used by tools like istanbul
coverage
*.lcov
# nyc test coverage
.nyc_output
# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
.grunt
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bower_components
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# Microbundle cache
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.rts2_cache_umd/
# Optional REPL history
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*.tgz
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# Gatsby files
.cache/
# Comment in the public line in if your project uses Gatsby and *not* Next.js
# https://nextjs.org/blog/next-9-1#public-directory-support
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.tern-port
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ljharb-safe-array-concat-a698ebe/.npmrc 0000664 0000000 0000000 00000000067 15171341526 0020106 0 ustar 00root root 0000000 0000000 package-lock=false
allow-same-version=true
message=v%s
ljharb-safe-array-concat-a698ebe/.nycrc 0000664 0000000 0000000 00000000330 15171341526 0020076 0 ustar 00root root 0000000 0000000 {
"all": true,
"check-coverage": false,
"reporter": ["text-summary", "text", "html", "json"],
"lines": 86,
"statements": 85.93,
"functions": 82.43,
"branches": 76.06,
"exclude": [
"coverage",
"test"
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}
ljharb-safe-array-concat-a698ebe/CHANGELOG.md 0000664 0000000 0000000 00000014556 15171341526 0020607 0 ustar 00root root 0000000 0000000 # 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).
## [v1.1.4](https://github.com/ljharb/safe-array-concat/compare/v1.1.3...v1.1.4) - 2026-04-19
### Commits
- [actions] update workflows [`6747b8f`](https://github.com/ljharb/safe-array-concat/commit/6747b8fb6b6ffe374b4421de5a36d012d7971f7f)
- [Dev Deps] update `@arethetypeswrong/cli`, `@ljharb/eslint-config`, `@ljharb/tsconfig`, `@types/isarray`, `@types/tape`, `eslint`, `npmignore` [`aa30c94`](https://github.com/ljharb/safe-array-concat/commit/aa30c941d4ebda29ec4dfa0e9592e44fbd145342)
- [types] improve types [`21276eb`](https://github.com/ljharb/safe-array-concat/commit/21276eb73f9ec5ed1119655382f38cf79030c9dd)
- [Deps] update `call-bound`, `get-intrinsic` [`efb5138`](https://github.com/ljharb/safe-array-concat/commit/efb513816ab84c1bebc0852d4aca68e5bcd27ff8)
- [Deps] update `call-bind` [`dbe4255`](https://github.com/ljharb/safe-array-concat/commit/dbe42554607a0143e0b4c720266f81c7ecb712fb)
- [Dev Deps] update `@ljharb/eslint-config` [`470988c`](https://github.com/ljharb/safe-array-concat/commit/470988cb3edfe1ffa7313cdb6d1e89101ed1dd15)
- [Dev Deps] update `@ljharb/eslint-config` [`8a8f4ec`](https://github.com/ljharb/safe-array-concat/commit/8a8f4ec87aca0eca53f31d537dd523f2d60803cb)
## [v1.1.3](https://github.com/ljharb/safe-array-concat/compare/v1.1.2...v1.1.3) - 2024-12-11
### Commits
- [Dev Deps] update `@arethetypeswrong/cli`, `@ljharb/eslint-config`, `@ljharb/tsconfig`, `@types/get-intrinsic`, `@types/tape`, `auto-changelog`, `mock-property`, `tape` [`9452ca7`](https://github.com/ljharb/safe-array-concat/commit/9452ca7dc6e22d89fb1bbf4f604d3e058a6813c0)
- [actions] split out node 10-20, and 20+ [`8166059`](https://github.com/ljharb/safe-array-concat/commit/8166059134d555337faf7574f40c746deaecfa99)
- [Deps] update `call-bind`, `get-intrinsic`, `has-symbols` [`d35014a`](https://github.com/ljharb/safe-array-concat/commit/d35014a2f8240ca70c336ef694744726b03a042b)
- [Refactor] use `call-bound` directly [`0bdddbd`](https://github.com/ljharb/safe-array-concat/commit/0bdddbdbdd887f12ecc58ee9fd1f358ec13560d3)
- [Tests] replace `aud` with `npm audit` [`c62dae0`](https://github.com/ljharb/safe-array-concat/commit/c62dae04b6eb56c460132fdd6e10de432228757e)
- [Dev Deps] add missing peer dep [`4860aae`](https://github.com/ljharb/safe-array-concat/commit/4860aae938375ae69ecf1c8d6caf58632ca57715)
## [v1.1.2](https://github.com/ljharb/safe-array-concat/compare/v1.1.1...v1.1.2) - 2024-03-09
### Commits
- [types] use a generic [`a1d744d`](https://github.com/ljharb/safe-array-concat/commit/a1d744d749033c91f0c108b28ac6dbc6016ecce4)
- [Dev Deps] update `@ljharb/tsconfig`, `set-function-length` [`3d3da0a`](https://github.com/ljharb/safe-array-concat/commit/3d3da0ab110bce21f466381c5d09f93200a20f85)
## [v1.1.1](https://github.com/ljharb/safe-array-concat/compare/v1.1.0...v1.1.1) - 2024-03-09
### Commits
- [types] use shared config [`f509f80`](https://github.com/ljharb/safe-array-concat/commit/f509f80fb2dd9734c309ccb59ca9451c5a5de885)
- [actions] remove redundant finisher; use reusable workflows [`b5f5ff4`](https://github.com/ljharb/safe-array-concat/commit/b5f5ff497976a48e291788b26b741cd4f3d388eb)
- [types] use handwritten d.ts instead of emit [`e717048`](https://github.com/ljharb/safe-array-concat/commit/e717048433b52d3a3240b7c697b5736756ed296e)
- [Dev Deps] update `set-function-length`, `tape` [`dde26a7`](https://github.com/ljharb/safe-array-concat/commit/dde26a7600ebe8ebc8f45d1bf8f1a970175604d8)
- [Deps] update `call-bind`, `get-intrinsic` [`d5d2cde`](https://github.com/ljharb/safe-array-concat/commit/d5d2cde9e5b7179d00d85e007b80b138969c5968)
- [Dev Deps] update `tape` [`9454c5a`](https://github.com/ljharb/safe-array-concat/commit/9454c5a3beacb08200b4b00b7ffa54a572cb76ab)
- [Tests] add `@arethetypeswrong/cli [`00a5243`](https://github.com/ljharb/safe-array-concat/commit/00a5243a5b923ff2b694b3b5ef4ce39027e30f6e)
- [Deps] update `get-intrinsic` [`c935764`](https://github.com/ljharb/safe-array-concat/commit/c9357646c3923a1351dca21f175b2b421dd15da5)
## [v1.1.0](https://github.com/ljharb/safe-array-concat/compare/v1.0.1...v1.1.0) - 2024-01-15
### Commits
- [New] add types [`bd92413`](https://github.com/ljharb/safe-array-concat/commit/bd92413643b2bd0ad62e854172fad129d3899dc1)
- [Dev Deps] update `aud`, `mock-property`, `npmignore`, `set-function-length`, `tape` [`497ffcb`](https://github.com/ljharb/safe-array-concat/commit/497ffcbb271ad61752756ec363ad5b9400e4d367)
- [Deps] update `call-bind`, `get-intrinsic` [`770f870`](https://github.com/ljharb/safe-array-concat/commit/770f8704d3751b947c7f4772d9ee38d8bcdecf44)
- [Dev Deps] update `mock-property`, `tape` [`be76bd9`](https://github.com/ljharb/safe-array-concat/commit/be76bd958fa73607a105122a8770677ecbdf78f0)
- [Tests] use `set-function-length/env` [`89b1167`](https://github.com/ljharb/safe-array-concat/commit/89b116758d91ad521f963cccf056f9a3f0b18c20)
- [meta] add missing npmrc values [`3185cc7`](https://github.com/ljharb/safe-array-concat/commit/3185cc7a6773baf625c65bb58ffb9b7ee5f3306e)
- [meta] add `sideEffects` flag [`df6c7eb`](https://github.com/ljharb/safe-array-concat/commit/df6c7ebca7f2fd2f152fe2c2a2260d21728e70a3)
## [v1.0.1](https://github.com/ljharb/safe-array-concat/compare/v1.0.0...v1.0.1) - 2023-09-05
### Fixed
- [Perf] set `Symbol.isConcatSpreadable` only when required [`#2`](https://github.com/ljharb/safe-array-concat/issues/2)
### Commits
- [Dev Deps] update `@ljharb/eslint-config`, `aud`, `tape` [`c0791b0`](https://github.com/ljharb/safe-array-concat/commit/c0791b00b74e70113921c32d4d1fd494b7e8f555)
- [Deps] update `get-intrinsic` [`7d07ae6`](https://github.com/ljharb/safe-array-concat/commit/7d07ae69d512bb3b6fb2131f1c824b5ffd85af9f)
## v1.0.0 - 2023-04-20
### Commits
- Initial implementation, tests, readme [`31b8e70`](https://github.com/ljharb/safe-array-concat/commit/31b8e709bbba4b01ebc51cc15cdcc7012fe58341)
- Initial commit [`83d38c6`](https://github.com/ljharb/safe-array-concat/commit/83d38c6f4cde453063393482d9129b134d403d0a)
- npm init [`516fdc2`](https://github.com/ljharb/safe-array-concat/commit/516fdc2bef306ec13f98b1f1b49c929b5308907f)
- Only apps should have lockfiles [`9cfa07b`](https://github.com/ljharb/safe-array-concat/commit/9cfa07b9112107b5ba22c74baca8cb80934a09f2)
ljharb-safe-array-concat-a698ebe/LICENSE 0000664 0000000 0000000 00000002057 15171341526 0017774 0 ustar 00root root 0000000 0000000 MIT License
Copyright (c) 2023 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.
ljharb-safe-array-concat-a698ebe/README.md 0000664 0000000 0000000 00000005031 15171341526 0020241 0 ustar 00root root 0000000 0000000 # safe-array-concat [![Version Badge][npm-version-svg]][package-url]
[![github actions][actions-image]][actions-url]
[![coverage][codecov-image]][codecov-url]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][npm-badge-png]][package-url]
`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable
## Getting started
```sh
npm install --save safe-array-concat
```
## Usage/Examples
```js
var safeConcat = require('safe-array-concat');
var assert = require('assert');
assert.deepEqual([].concat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'arrays spread as expected with normal concat');
assert.deepEqual(safeConcat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'arrays spread as expected with safe concat');
String.prototype[Symbol.isConcatSpreadable] = true;
assert.deepEqual([].concat('foo', Object('bar')), ['foo', 'b', 'a', 'r'], 'spreadable String objects are spread with normal concat!!!');
assert.deepEqual(safeConcat('foo', Object('bar')), ['foo', Object('bar')], 'spreadable String objects are not spread with safe concat');
Array.prototype[Symbol.isConcatSpreadable] = false;
assert.deepEqual([].concat([1, 2], 3, [[4]]), [[], [1, 2], 3, [[4]]], 'non-concat-spreadable arrays do not spread with normal concat!!!');
assert.deepEqual(safeConcat([1, 2], 3, [[4]]), [1, 2, 3, [4]], 'non-concat-spreadable arrays still spread with safe concat');
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[package-url]: https://npmjs.org/package/safe-array-concat
[npm-version-svg]: https://versionbadg.es/ljharb/safe-array-concat.svg
[deps-svg]: https://david-dm.org/ljharb/safe-array-concat.svg
[deps-url]: https://david-dm.org/ljharb/safe-array-concat
[dev-deps-svg]: https://david-dm.org/ljharb/safe-array-concat/dev-status.svg
[dev-deps-url]: https://david-dm.org/ljharb/safe-array-concat#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/safe-array-concat.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/safe-array-concat.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/safe-array-concat.svg
[downloads-url]: https://npm-stat.com/charts.html?package=safe-array-concat
[codecov-image]: https://codecov.io/gh/ljharb/safe-array-concat/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/ljharb/safe-array-concat/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/ljharb/safe-array-concat
[actions-url]: https://github.com/ljharb/safe-array-concat/actions
ljharb-safe-array-concat-a698ebe/index.d.ts 0000664 0000000 0000000 00000000222 15171341526 0020660 0 ustar 00root root 0000000 0000000 declare function safeArrayConcat(
item: T | readonly T[],
...items: (T | readonly T[])[],
): T[];
export = safeArrayConcat;
ljharb-safe-array-concat-a698ebe/index.js 0000664 0000000 0000000 00000003525 15171341526 0020435 0 ustar 00root root 0000000 0000000 'use strict';
var GetIntrinsic = require('get-intrinsic');
var $concat = GetIntrinsic('%Array.prototype.concat%');
var callBind = require('call-bind');
var callBound = require('call-bound');
var $slice = callBound('Array.prototype.slice');
var hasSymbols = require('has-symbols/shams')();
var isConcatSpreadable = hasSymbols && Symbol.isConcatSpreadable;
/** @type {never[]} */ var empty = [];
var $concatApply = isConcatSpreadable ? callBind.apply($concat, empty) : null;
// eslint-disable-next-line no-extra-parens
var isArray = isConcatSpreadable ? /** @type {(value: unknown) => value is unknown[]} */ (require('isarray')) : null;
/** @type {import('.')} */
module.exports = isConcatSpreadable
// eslint-disable-next-line no-unused-vars
? function safeArrayConcat(item) {
for (var i = 0; i < arguments.length; i += 1) {
/** @type {typeof item} */ var arg = arguments[i];
// @ts-expect-error ts(2538) see https://github.com/microsoft/TypeScript/issues/9998#issuecomment-1890787975; works if `const`
if (arg && typeof arg === 'object' && typeof arg[isConcatSpreadable] === 'boolean') {
// @ts-expect-error ts(7015) TS doesn't yet support Symbol indexing
if (!empty[isConcatSpreadable]) {
// @ts-expect-error ts(7015) TS doesn't yet support Symbol indexing
empty[isConcatSpreadable] = true;
}
// @ts-expect-error ts(2721) ts(18047) not sure why TS can't figure out this can't be null
var arr = isArray(arg) ? $slice(arg) : [arg];
// @ts-expect-error ts(7015) TS can't handle expandos on an array
arr[isConcatSpreadable] = true; // shadow the property. TODO: use [[Define]]
arguments[i] = arr;
}
}
// @ts-expect-error ts(2345) https://github.com/microsoft/TypeScript/issues/57164 TS doesn't understand that apply can take an arguments object
return $concatApply(arguments);
}
: callBind($concat, empty);
ljharb-safe-array-concat-a698ebe/package.json 0000664 0000000 0000000 00000004532 15171341526 0021255 0 ustar 00root root 0000000 0000000 {
"name": "safe-array-concat",
"version": "1.1.4",
"description": "`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable",
"main": "index.js",
"exports": {
".": "./index.js",
"./package.json": "./package.json"
},
"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)\")\"",
"prelint": "evalmd README.md",
"lint": "eslint --ext=js,mjs .",
"postlint": "tsc && attw -P",
"prepublish": "not-in-publish || npm run prepublishOnly",
"prepublishOnly": "safe-publish-latest",
"pretest": "npm run lint",
"tests-only": "nyc tape test",
"test": "npm run tests-only",
"posttest": "npx npm@'>= 10.2' audit --production"
},
"keywords": [
"safe",
"Array",
"concat",
"push",
"isConcatSpreadable"
],
"author": "Jordan Harband ",
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"license": "MIT",
"repository": {
"type": "git",
"url": "git+https://github.com/ljharb/safe-array-concat.git"
},
"bugs": {
"url": "https://github.com/ljharb/safe-array-concat/issues"
},
"homepage": "https://github.com/ljharb/safe-array-concat#readme",
"devDependencies": {
"@arethetypeswrong/cli": "^0.18.2",
"@ljharb/eslint-config": "^22.2.2",
"@ljharb/tsconfig": "^0.3.2",
"@types/call-bind": "^1.0.5",
"@types/get-intrinsic": "^1.2.3",
"@types/isarray": "^2.0.3",
"@types/tape": "^5.8.1",
"auto-changelog": "^2.5.0",
"encoding": "^0.1.13",
"eslint": "^8.57.1",
"evalmd": "^0.0.19",
"in-publish": "^2.0.1",
"mock-property": "^1.1.0",
"npmignore": "^0.3.5",
"nyc": "^10.3.2",
"safe-publish-latest": "^2.0.0",
"set-function-length": "^1.2.2",
"tape": "^5.9.0",
"typescript": "next"
},
"dependencies": {
"call-bind": "^1.0.9",
"call-bound": "^1.0.4",
"get-intrinsic": "^1.3.0",
"has-symbols": "^1.1.0",
"isarray": "^2.0.5"
},
"auto-changelog": {
"output": "CHANGELOG.md",
"template": "keepachangelog",
"unreleased": false,
"commitLimit": false,
"backfillLimit": false,
"hideCredit": true
},
"publishConfig": {
"ignore": [
".github/workflows"
]
},
"engines": {
"node": ">=0.4"
}
}
ljharb-safe-array-concat-a698ebe/test/ 0000775 0000000 0000000 00000000000 15171341526 0017742 5 ustar 00root root 0000000 0000000 ljharb-safe-array-concat-a698ebe/test/index.js 0000664 0000000 0000000 00000006022 15171341526 0021407 0 ustar 00root root 0000000 0000000 'use strict';
var test = require('tape');
var mockProperty = require('mock-property');
var hasSymbols = require('has-symbols/shams')();
var isConcatSpreadable = hasSymbols && Symbol.isConcatSpreadable;
var species = hasSymbols && Symbol.species;
var boundFnsHaveConfigurableLengths = require('set-function-length/env').boundFnsHaveConfigurableLengths;
var safeConcat = require('../');
test('safe-array-concat', function (t) {
t.equal(typeof safeConcat, 'function', 'is a function');
t.equal(
safeConcat.length,
boundFnsHaveConfigurableLengths ? 1 : 0,
'has a length of ' + (boundFnsHaveConfigurableLengths ? 1 : '0 (function lengths are not configurable)')
);
t.deepEqual(
// eslint-disable-next-line no-extra-parens
safeConcat(/** @type {(string | number | number[])[]} */ ([1, 2]), [3, 4], 'foo', 5, 6, [[7]]),
[1, 2, 3, 4, 'foo', 5, 6, [7]],
'works with flat and nested arrays'
);
t.deepEqual(
safeConcat(undefined, 1, 2),
[undefined, 1, 2],
'first item as undefined is not the concat receiver, which would throw via ToObject'
);
t.deepEqual(
safeConcat(null, 1, 2),
[null, 1, 2],
'first item as null is not the concat receiver, which would throw via ToObject'
);
var arr = [1, 2];
arr.constructor = function C() {
return { args: arguments };
};
t.deepEqual(
safeConcat(arr, 3, 4),
[1, 2, 3, 4],
'first item as an array with a nonArray .constructor; ignores constructor'
);
t.test('has Symbol.species', { skip: !species }, function (st) {
var speciesArr = [1, 2];
// @ts-expect-error ts(2740) TS's `constructor` type requires a function
speciesArr.constructor = {};
// @ts-expect-error ts(2538) TS can't type narrow from tape's `skip`
speciesArr.constructor[species] = function Species() {
return { args: arguments };
};
st.deepEqual(
safeConcat(speciesArr, 3, 4),
[1, 2, 3, 4],
'first item as an array with a .constructor object with a Symbol.species; ignores constructor and species'
);
st.end();
});
t.test('has isConcatSpreadable', { skip: !isConcatSpreadable }, function (st) {
// TS can't type narrow from tape's `skip`
if (isConcatSpreadable) {
st.teardown(mockProperty(
// eslint-disable-next-line no-extra-parens
/** @type {Record} */ (/** @type {unknown} */ (String.prototype)),
isConcatSpreadable,
{ value: true }
));
var nonSpreadable = [1, 2];
// @ts-expect-error ts(7015) TS can't handle expandos on an array
nonSpreadable[isConcatSpreadable] = false;
st.deepEqual(
safeConcat(nonSpreadable, 3, 4, 'foo', Object('bar')),
[1, 2, 3, 4, 'foo', Object('bar')],
'a non-concat-spreadable array is spreaded, and a concat-spreadable String is not spreaded'
);
st.teardown(mockProperty(Array.prototype, isConcatSpreadable, { value: false }));
st.deepEqual(
safeConcat([1, 2], 3, 4, 'foo', Object('bar')),
[1, 2, 3, 4, 'foo', Object('bar')],
'all arrays marked non-concat-spreadable are still spreaded, and a concat-spreadable String is not spreaded'
);
}
st.end();
});
t.end();
});
ljharb-safe-array-concat-a698ebe/tsconfig.json 0000664 0000000 0000000 00000000175 15171341526 0021475 0 ustar 00root root 0000000 0000000 {
"extends": "@ljharb/tsconfig",
"compilerOptions": {
"target": "es2021",
},
"exclude": [
"coverage",
],
}