pax_global_header00006660000000000000000000000064142262036500014512gustar00rootroot0000000000000052 comment=3771c8b4f20e963d3a64b101b3233c20791c32ae has-property-descriptors-1.0.0/000077500000000000000000000000001422620365000165045ustar00rootroot00000000000000has-property-descriptors-1.0.0/.eslintrc000066400000000000000000000002551422620365000203320ustar00rootroot00000000000000{ "root": true, "extends": "@ljharb", "rules": { "func-name-matching": 0, "id-length": 0, "new-cap": [2, { "capIsNewExceptions": ["GetIntrinsic"], }], }, } has-property-descriptors-1.0.0/.github/000077500000000000000000000000001422620365000200445ustar00rootroot00000000000000has-property-descriptors-1.0.0/.github/FUNDING.yml000066400000000000000000000011231422620365000216560ustar00rootroot00000000000000# 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-property-descriptors 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'] has-property-descriptors-1.0.0/.github/workflows/000077500000000000000000000000001422620365000221015ustar00rootroot00000000000000has-property-descriptors-1.0.0/.github/workflows/node-aught.yml000066400000000000000000000005161422620365000246610ustar00rootroot00000000000000name: 'Tests: node.js < 10' on: [pull_request, push] 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: 'echo tests completed' has-property-descriptors-1.0.0/.github/workflows/node-pretest.yml000066400000000000000000000002061422620365000252330ustar00rootroot00000000000000name: 'Tests: pretest/posttest' on: [pull_request, push] jobs: tests: uses: ljharb/actions/.github/workflows/pretest.yml@main has-property-descriptors-1.0.0/.github/workflows/node-tens.yml000066400000000000000000000005211422620365000245160ustar00rootroot00000000000000name: 'Tests: node.js >= 10' on: [pull_request, push] 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: 'echo tests completed' has-property-descriptors-1.0.0/.github/workflows/rebase.yml000066400000000000000000000004111422620365000240610ustar00rootroot00000000000000name: Automatic Rebase on: [pull_request_target] jobs: _: name: "Automatic Rebase" runs-on: ubuntu-latest steps: - uses: actions/checkout@v2 - uses: ljharb/rebase@master env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} has-property-descriptors-1.0.0/.github/workflows/require-allow-edits.yml000066400000000000000000000003031422620365000265160ustar00rootroot00000000000000name: Require “Allow Edits” on: [pull_request_target] jobs: _: name: "Require “Allow Edits”" runs-on: ubuntu-latest steps: - uses: ljharb/require-allow-edits@main has-property-descriptors-1.0.0/.gitignore000066400000000000000000000032351422620365000204770ustar00rootroot00000000000000# 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 # Bower dependency directory (https://bower.io/) bower_components # node-waf configuration .lock-wscript # Compiled binary addons (https://nodejs.org/api/addons.html) build/Release # Dependency directories node_modules/ jspm_packages/ # TypeScript v1 declaration files typings/ # TypeScript cache *.tsbuildinfo # Optional npm cache directory .npm # Optional eslint cache .eslintcache # Microbundle cache .rpt2_cache/ .rts2_cache_cjs/ .rts2_cache_es/ .rts2_cache_umd/ # Optional REPL history .node_repl_history # Output of 'npm pack' *.tgz # Yarn Integrity file .yarn-integrity # dotenv environment variables file .env .env.test # parcel-bundler cache (https://parceljs.org/) .cache # Next.js build output .next # Nuxt.js build / generate output .nuxt dist # 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 # public # vuepress build output .vuepress/dist # Serverless directories .serverless/ # FuseBox cache .fusebox/ # DynamoDB Local files .dynamodb/ # TernJS port file .tern-port # Only apps should have lockfiles npm-shrinkwrap.json package-lock.json yarn.lock has-property-descriptors-1.0.0/.npmignore000066400000000000000000000017311422620365000205050ustar00rootroot00000000000000# Logs logs *.log npm-debug.log* yarn-debug.log* yarn-error.log* # 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 # nyc test coverage .nyc_output # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) .grunt # Bower dependency directory (https://bower.io/) bower_components # node-waf configuration .lock-wscript # Compiled binary addons (http://nodejs.org/api/addons.html) build/Release # Dependency directories node_modules/ jspm_packages/ # Typescript v1 declaration files typings/ # Optional npm cache directory .npm # Optional eslint cache .eslintcache # Optional REPL history .node_repl_history # Output of 'npm pack' *.tgz # Yarn Integrity file .yarn-integrity # dotenv environment variables file .env # Only apps should have lockfiles npm-shrinkwrap.json package-lock.json yarn.lock .github/workflows has-property-descriptors-1.0.0/.npmrc000066400000000000000000000000671422620365000176270ustar00rootroot00000000000000package-lock=false allow-same-version=true message=v%s has-property-descriptors-1.0.0/.nycrc000066400000000000000000000002131422620365000176170ustar00rootroot00000000000000{ "all": true, "check-coverage": false, "reporter": ["text-summary", "text", "html", "json"], "exclude": [ "coverage", "test" ] } has-property-descriptors-1.0.0/CHANGELOG.md000066400000000000000000000017151422620365000203210ustar00rootroot00000000000000# 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). ## v1.0.0 - 2022-04-14 ### Commits - Initial implementation, tests [`303559f`](https://github.com/inspect-js/has-property-descriptors/commit/303559f2a72dfe7111573a1aec475ed4a184c35a) - Initial commit [`3a7ca2d`](https://github.com/inspect-js/has-property-descriptors/commit/3a7ca2dc49f1fff0279a28bb16265e7615e14749) - read me [`dd73dce`](https://github.com/inspect-js/has-property-descriptors/commit/dd73dce09d89d0f7a4a6e3b1e562a506f979a767) - npm init [`c1e6557`](https://github.com/inspect-js/has-property-descriptors/commit/c1e655779de632d68cb944c50da6b71bcb7b8c85) - Only apps should have lockfiles [`e72f7c6`](https://github.com/inspect-js/has-property-descriptors/commit/e72f7c68de534b2d273ee665f8b18d4ecc7f70b0) has-property-descriptors-1.0.0/LICENSE000066400000000000000000000020531422620365000175110ustar00rootroot00000000000000MIT License Copyright (c) 2022 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. has-property-descriptors-1.0.0/README.md000066400000000000000000000042361422620365000177700ustar00rootroot00000000000000# has-property-descriptors [![Version Badge][npm-version-svg]][package-url] [![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![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] Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD. ## Example ```js var hasPropertyDescriptors = require('has-property-descriptors'); var assert = require('assert'); assert.equal(hasPropertyDescriptors(), true); // will be `false` in IE 6-8, and ES5 engines // Arrays can not have their length `[[Defined]]` in some engines assert.equal(hasPropertyDescriptors.hasArrayLengthDefineBug(), false); // will be `true` in Firefox 4-22, and node v0.6 ``` ## Tests Simply clone the repo, `npm install`, and run `npm test` [package-url]: https://npmjs.org/package/has-property-descriptors [npm-version-svg]: https://versionbadg.es/inspect-js/has-property-descriptors.svg [deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors.svg [deps-url]: https://david-dm.org/inspect-js/has-property-descriptors [dev-deps-svg]: https://david-dm.org/inspect-js/has-property-descriptors/dev-status.svg [dev-deps-url]: https://david-dm.org/inspect-js/has-property-descriptors#info=devDependencies [npm-badge-png]: https://nodei.co/npm/has-property-descriptors.png?downloads=true&stars=true [license-image]: https://img.shields.io/npm/l/has-property-descriptors.svg [license-url]: LICENSE [downloads-image]: https://img.shields.io/npm/dm/has-property-descriptors.svg [downloads-url]: https://npm-stat.com/charts.html?package=has-property-descriptors [codecov-image]: https://codecov.io/gh/inspect-js/has-property-descriptors/branch/main/graphs/badge.svg [codecov-url]: https://app.codecov.io/gh/inspect-js/has-property-descriptors/ [actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/has-property-descriptors [actions-url]: https://github.com/inspect-js/has-property-descriptors/actions has-property-descriptors-1.0.0/index.js000066400000000000000000000014611422620365000201530ustar00rootroot00000000000000'use strict'; var GetIntrinsic = require('get-intrinsic'); var $defineProperty = GetIntrinsic('%Object.defineProperty%', true); var hasPropertyDescriptors = function hasPropertyDescriptors() { if ($defineProperty) { try { $defineProperty({}, 'a', { value: 1 }); return true; } catch (e) { // IE 8 has a broken defineProperty return false; } } return false; }; hasPropertyDescriptors.hasArrayLengthDefineBug = function hasArrayLengthDefineBug() { // node v0.6 has a bug where array lengths can be Set but not Defined if (!hasPropertyDescriptors()) { return null; } try { return $defineProperty([], 'length', { value: 1 }).length !== 1; } catch (e) { // In Firefox 4-22, defining length on an array throws an exception. return true; } }; module.exports = hasPropertyDescriptors; has-property-descriptors-1.0.0/package.json000066400000000000000000000036151422620365000207770ustar00rootroot00000000000000{ "name": "has-property-descriptors", "version": "1.0.0", "description": "Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.", "main": "index.js", "exports": { ".": "./index.js", "./package.json": "./package.json" }, "sideEffects": false, "scripts": { "prepublishOnly": "safe-publish-latest", "prepublish": "not-in-publish || npm run prepublishOnly", "pretest": "npm run lint", "prelint": "evalmd README.md", "lint": "eslint --ext=js,mjs .", "tests-only": "nyc tape 'test/**/*.js'", "test": "npm run tests-only", "posttest": "aud --production", "version": "auto-changelog && git add CHANGELOG.md", "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\"" }, "repository": { "type": "git", "url": "git+https://github.com/inspect-js/has-property-descriptors.git" }, "keywords": [ "property", "descriptors", "has", "environment", "env", "defineProperty", "getOwnPropertyDescriptor" ], "author": "Jordan Harband ", "funding": { "url": "https://github.com/sponsors/ljharb" }, "license": "MIT", "bugs": { "url": "https://github.com/inspect-js/has-property-descriptors/issues" }, "homepage": "https://github.com/inspect-js/has-property-descriptors#readme", "devDependencies": { "@ljharb/eslint-config": "^21.0.0", "aud": "^2.0.0", "auto-changelog": "^2.4.0", "eslint": "=8.8.0", "in-publish": "^2.0.1", "evalmd": "^0.0.19", "nyc": "^10.3.2", "safe-publish-latest": "^2.0.0", "tape": "^5.5.3" }, "dependencies": { "get-intrinsic": "^1.1.1" }, "testling": { "files": "test/index.js" }, "auto-changelog": { "output": "CHANGELOG.md", "template": "keepachangelog", "unreleased": false, "commitLimit": false, "backfillLimit": false, "hideCredit": true } } has-property-descriptors-1.0.0/test/000077500000000000000000000000001422620365000174635ustar00rootroot00000000000000has-property-descriptors-1.0.0/test/index.js000066400000000000000000000025751422620365000211410ustar00rootroot00000000000000'use strict'; var test = require('tape'); var hasPropertyDescriptors = require('../'); var sentinel = {}; test('hasPropertyDescriptors', function (t) { t.equal(typeof hasPropertyDescriptors, 'function', 'is a function'); t.equal(typeof hasPropertyDescriptors.hasArrayLengthDefineBug, 'function', '`hasArrayLengthDefineBug` property is a function'); var yes = hasPropertyDescriptors(); t.test('property descriptors', { skip: !yes }, function (st) { var o = { a: sentinel }; st.deepEqual( Object.getOwnPropertyDescriptor(o, 'a'), { configurable: true, enumerable: true, value: sentinel, writable: true }, 'has expected property descriptor' ); Object.defineProperty(o, 'a', { enumerable: false, writable: false }); st.deepEqual( Object.getOwnPropertyDescriptor(o, 'a'), { configurable: true, enumerable: false, value: sentinel, writable: false }, 'has expected property descriptor after [[Define]]' ); st.end(); }); var arrayBug = hasPropertyDescriptors.hasArrayLengthDefineBug(); t.test('defining array lengths', { skip: !yes || arrayBug }, function (st) { var arr = [1, , 3]; // eslint-disable-line no-sparse-arrays st.equal(arr.length, 3, 'array starts with length 3'); Object.defineProperty(arr, 'length', { value: 5 }); st.equal(arr.length, 5, 'array ends with length 5'); st.end(); }); t.end(); });