pax_global_header00006660000000000000000000000064135653553020014521gustar00rootroot0000000000000052 comment=f42e0be5f676e6c82c83c9cad70f1fbb3b81c8ca is-symbol-1.0.3/000077500000000000000000000000001356535530200134405ustar00rootroot00000000000000is-symbol-1.0.3/.editorconfig000066400000000000000000000004241356535530200161150ustar00rootroot00000000000000root = true [*] indent_style = tab; insert_final_newline = true; quote_type = auto; space_after_anonymous_functions = true; space_after_control_statements = true; spaces_around_operators = true; trim_trailing_whitespace = true; spaces_in_brackets = false; end_of_line = lf; is-symbol-1.0.3/.eslintrc000066400000000000000000000002271356535530200152650ustar00rootroot00000000000000{ "root": true, "extends": "@ljharb", "overrides": [ { "files": "test/**", "rules": { "no-restricted-properties": 0, }, }, ], } is-symbol-1.0.3/.github/000077500000000000000000000000001356535530200150005ustar00rootroot00000000000000is-symbol-1.0.3/.github/FUNDING.yml000066400000000000000000000011041356535530200166110ustar00rootroot00000000000000# 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-symbol 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'] is-symbol-1.0.3/.github/workflows/000077500000000000000000000000001356535530200170355ustar00rootroot00000000000000is-symbol-1.0.3/.github/workflows/rebase.yml000066400000000000000000000003721356535530200210230ustar00rootroot00000000000000name: Automatic Rebase on: [pull_request] jobs: _: name: "Automatic Rebase" runs-on: ubuntu-latest steps: - uses: actions/checkout@v1 - uses: ljharb/rebase@master env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} is-symbol-1.0.3/.gitignore000066400000000000000000000012361356535530200154320ustar00rootroot00000000000000# Logs logs *.log # Runtime data pids *.pid *.seed # Directory for instrumented libs generated by jscoverage/JSCover lib-cov # Coverage directory used by tools like istanbul coverage # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files) .grunt # Compiled binary addons (http://nodejs.org/api/addons.html) build/Release # Dependency directory # Commenting this out is preferred by some people, see # https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git- node_modules # Users Environment Variables .lock-wscript # Only apps should have lockfiles yarn.lock package-lock.json npm-shrinkwrap.json is-symbol-1.0.3/.npmrc000066400000000000000000000000671356535530200145630ustar00rootroot00000000000000package-lock=false allow-same-version=true message=v%s is-symbol-1.0.3/.nvmrc000066400000000000000000000000051356535530200145610ustar00rootroot00000000000000node is-symbol-1.0.3/.travis.yml000066400000000000000000000003741356535530200155550ustar00rootroot00000000000000version: ~> 1.0 language: node_js os: - linux import: - ljharb/travis-ci:node/all.yml - ljharb/travis-ci:node/pretest.yml - ljharb/travis-ci:node/posttest.yml - ljharb/travis-ci:node/coverage.yml matrix: allow_failures: - env: COVERAGE=true is-symbol-1.0.3/CHANGELOG.md000066400000000000000000000217071356535530200152600ustar00rootroot00000000000000# 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). ## [v1.0.3](https://github.com/inspect-js/is-symbol/compare/v1.0.2...v1.0.3) - 2019-11-21 ### Commits - [Tests] use shared travis-ci configs [`034afdd`](https://github.com/inspect-js/is-symbol/commit/034afdd677c1b72b76751f3e5131acc927a32916) - [Tests] remove `jscs` [`0c026a0`](https://github.com/inspect-js/is-symbol/commit/0c026a06815e46a33a8a5b4b1be8965d32d38e5c) - [meta] add `auto-changelog` [`9a1776b`](https://github.com/inspect-js/is-symbol/commit/9a1776bb49f3e6ac12a5b3a447edcc651216891b) - [Tests] up to `node` `v12.10`, `v11.15`, `v10.16`, `v8.16`, `v6.17` [`23a6db4`](https://github.com/inspect-js/is-symbol/commit/23a6db49a338d19eab19d876745513820bb6a9dc) - [Tests] up to `node` `v11.7`, `v10.15`, `v8.15`, `v6.16` [`892d92e`](https://github.com/inspect-js/is-symbol/commit/892d92e7c40f3c0577583a98134106181c38bb7e) - [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `semver`, `tape` [`c2e6d6a`](https://github.com/inspect-js/is-symbol/commit/c2e6d6a71f839522bbd124b7419f5fc42ffff6d3) - [readme] fix repo URLs [`655c288`](https://github.com/inspect-js/is-symbol/commit/655c288a815856e647dba4b6049b1743cec3533c) - [actions] add automatic rebasing / merge commit blocking [`97b1229`](https://github.com/inspect-js/is-symbol/commit/97b12296bf8fa1ce0c6121bf3de56c413da10aae) - [meta] add FUNDING.yml [`94c64a3`](https://github.com/inspect-js/is-symbol/commit/94c64a367a1c34f960cf6007fc65cfbbcba34ba3) - [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `covert`, `tape`, `semver` [`71ab543`](https://github.com/inspect-js/is-symbol/commit/71ab543e09b820378362f4f66248addd410c6388) - [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `semver`, `tape` [`c6212f9`](https://github.com/inspect-js/is-symbol/commit/c6212f94e28622c94bb37189ffc241ee88b5b1dd) - [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `safe-publish-latest`, `object-inspect` [`91bc802`](https://github.com/inspect-js/is-symbol/commit/91bc802e18e63f4e8230ee0148302ce849e2f733) - [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops [`8cbe69c`](https://github.com/inspect-js/is-symbol/commit/8cbe69c3fafe9cfbe7d27f710c88d02d2d2c6a00) - [Tests] use `npm audit` instead of `nsp` [`741b51d`](https://github.com/inspect-js/is-symbol/commit/741b51dac868f6b22736c204910d257bcf4d5044) - [meta] add `funding` field [`65b58d1`](https://github.com/inspect-js/is-symbol/commit/65b58d1e9fc572712d462d615e6b2418627d8fb9) - [Deps] update `has-symbols` [`9cb5b2a`](https://github.com/inspect-js/is-symbol/commit/9cb5b2a9a3b89e8e0246be8df4fff3f5ceac7309) ## [v1.0.2](https://github.com/inspect-js/is-symbol/compare/v1.0.1...v1.0.2) - 2018-09-20 ### Commits - Update `eslint`, `tape`, `semver`; use my personal shared `eslint` config [`e86aaea`](https://github.com/inspect-js/is-symbol/commit/e86aaea8d81356801ecfc60540523e9b809a55f4) - [Tests] on all node minors; improve test matrix [`50bc07f`](https://github.com/inspect-js/is-symbol/commit/50bc07f2ff73e5499b02a61f0a00ea48a84ae213) - [Dev Deps] update `tape`, `jscs`, `nsp`, `semver`, `eslint`, `@ljharb/eslint-config` [`45e17bd`](https://github.com/inspect-js/is-symbol/commit/45e17bdf145846f30122348a94c5e506b90836ba) - [Tests] up to `node` `v10.0`, `v9.11`, `v8.11`, `v6.14`, `v4.9`; use `nvm install-latest-npm` [`44402cb`](https://github.com/inspect-js/is-symbol/commit/44402cb82d4499e947b48b31b14667d1ebe7e2b4) - [Tests] up to `node` `v8.1`, `v7.10`, `v6.11`, `v4.8`; improve matrix; old npm breaks on newer nodes [`9047c23`](https://github.com/inspect-js/is-symbol/commit/9047c232857ecb80551a21cc0b1cc4c91d28da1f) - Update `tape`, `covert`, `jscs`, `semver` [`d57d1ce`](https://github.com/inspect-js/is-symbol/commit/d57d1ce3fc0b740885a1ed5c0738d4a27b29ab07) - Add `npm run eslint` [`0d75a66`](https://github.com/inspect-js/is-symbol/commit/0d75a6638ad6f7ff7d5bc958531a6328fb13e3fe) - Update `eslint` [`042fb3a`](https://github.com/inspect-js/is-symbol/commit/042fb3aec590f0c0d205b15812b285ad95cfff6b) - [Refactor] use `has-symbols` and `object-inspect` [`129bc68`](https://github.com/inspect-js/is-symbol/commit/129bc68dd619b789b9956ac9b63b46257ee1060c) - [Tests] up to `node` `v10.11`, `v8.12` [`c1822e8`](https://github.com/inspect-js/is-symbol/commit/c1822e84d6cc0cee9f1c2893e91b1aa999ad41db) - Update `tape`, `jscs`, `eslint`, `@ljharb/eslint-config` [`089d2cf`](https://github.com/inspect-js/is-symbol/commit/089d2cf7cad87b75aa534769af11524ad2e79080) - [Tests] up to `node` `v8.4`; newer npm breaks on older node [`05ce701`](https://github.com/inspect-js/is-symbol/commit/05ce701e3c1be8b3266ffac49806832e410491c1) - All grade A-supported `node`/`iojs` versions now ship with an `npm` that understands `^`. [`241e6a6`](https://github.com/inspect-js/is-symbol/commit/241e6a655c0e19e9dcf0ae88e7fddd4cde394c5c) - Test on latest `node` and `io.js` versions. [`5c8d5de`](https://github.com/inspect-js/is-symbol/commit/5c8d5deb9b7c01a8cdf959082a3d619c19751b0a) - [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `nsp`, `semver`, `tape` [`06047bf`](https://github.com/inspect-js/is-symbol/commit/06047bf72b20a66c0b455e80856b2d00b1910391) - [Dev Deps] update `jscs`, `nsp`, `semver`, `eslint`, `@ljharb/eslint-config` [`9d25dd7`](https://github.com/inspect-js/is-symbol/commit/9d25dd79347c89f98207a3bad39f667f1f8a410e) - [Tests] up to `io.js` `v3.3`, `node` `v4.1` [`ce173bd`](https://github.com/inspect-js/is-symbol/commit/ce173bda6e146907e3061a0e70463107d955de35) - Update `nsp`, `eslint` [`29e5214`](https://github.com/inspect-js/is-symbol/commit/29e52140fac2049b4a32e175787bb3b184a1dd72) - Update `semver`, `eslint` [`53be884`](https://github.com/inspect-js/is-symbol/commit/53be884c2811f7a4452581003d9cdaf6f9bddd3c) - [Dev Deps] update `eslint`, `nsp`, `semver`, `tape` [`3bd149c`](https://github.com/inspect-js/is-symbol/commit/3bd149c869c099b07104b06c0692755a01f8298c) - [Dev Deps] update `jscs` [`69b4231`](https://github.com/inspect-js/is-symbol/commit/69b4231632b170e5ddb350db2f0c59e6cad6f548) - Test up to `io.js` `v2.1` [`0b61ac7`](https://github.com/inspect-js/is-symbol/commit/0b61ac7ac4de390296aeefb9395549592ea87da4) - [Dev Deps] update `tape` [`5e1b200`](https://github.com/inspect-js/is-symbol/commit/5e1b2008c910bcdabee299a1ac599143ea07c3f9) - Only apps should have lockfiles. [`a191ff5`](https://github.com/inspect-js/is-symbol/commit/a191ff5f0320fc16db42fdaa40f0c21d4326255e) - [Dev Deps] update `nsp`, `eslint`, `@ljharb/eslint-config` [`97c87ef`](https://github.com/inspect-js/is-symbol/commit/97c87ef52b966f211e231092a54ef6ed05c99a26) - Test on `io.js` `v2.2` [`42560e4`](https://github.com/inspect-js/is-symbol/commit/42560e466e17cbbb9fa71c0121f4bbbcf266c887) - [Dev Deps] Update `tape`, `eslint` [`149b2f2`](https://github.com/inspect-js/is-symbol/commit/149b2f20bde92b2da12ccfeb8988beb2dc95c37c) - [Tests] fix test messages [`28bd1ed`](https://github.com/inspect-js/is-symbol/commit/28bd1eda310590e13ada19cbd718c85c25d8a0c5) - Test up to `io.js` `v3.0` [`c0dcc98`](https://github.com/inspect-js/is-symbol/commit/c0dcc98313d17151ec043e5452df306618be865e) - `node` now supports Symbols now. [`d1853ad`](https://github.com/inspect-js/is-symbol/commit/d1853adf6369ab9d4c4516bdb032c2e42f52f90a) - [Dev Deps] update `tape` [`f7a6575`](https://github.com/inspect-js/is-symbol/commit/f7a6575fbdef13abcc412c63d22b56943ed85969) - Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG. [`aae9c6a`](https://github.com/inspect-js/is-symbol/commit/aae9c6a724578659976ea74e11ec9fe35608607b) - Test on `io.js` `v2.4` [`ab8f449`](https://github.com/inspect-js/is-symbol/commit/ab8f4492115270cc00a479915b02ac1bac75dfed) - Test on `io.js` `v2.3` [`58ce871`](https://github.com/inspect-js/is-symbol/commit/58ce871674e857955b333aa057eeecd68b40e988) ## [v1.0.1](https://github.com/inspect-js/is-symbol/compare/v1.0.0...v1.0.1) - 2015-01-26 ### Commits - Correct package description. [`f4d15b9`](https://github.com/inspect-js/is-symbol/commit/f4d15b928b4b754b097a84f7c3ceac73c486aceb) ## v1.0.0 - 2015-01-24 ### Commits - Dotfiles. [`5d9a744`](https://github.com/inspect-js/is-symbol/commit/5d9a7441f724630070e9bd74a995191cafa1064b) - Tests. [`8af5663`](https://github.com/inspect-js/is-symbol/commit/8af56631950dcee48b36f517837273193a6ba119) - `make release` [`6293446`](https://github.com/inspect-js/is-symbol/commit/629344654a72e7fc8059607d6a86c64b002c3e5d) - package.json [`7d4082c`](https://github.com/inspect-js/is-symbol/commit/7d4082ca9502118e70d24f526704d45a1a7f2067) - Initial commit [`cbb179f`](https://github.com/inspect-js/is-symbol/commit/cbb179f677bd3dcb56ac5e3f0a7a9af503fd8952) - Read me. [`099a775`](https://github.com/inspect-js/is-symbol/commit/099a775e7e751706283ae1cab7a8635c094773a9) - Implementation. [`cb51248`](https://github.com/inspect-js/is-symbol/commit/cb51248eedaf55e0b8ad7dacdab179db2d76e96e) is-symbol-1.0.3/LICENSE000066400000000000000000000020721356535530200144460ustar00rootroot00000000000000The MIT License (MIT) Copyright (c) 2015 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. is-symbol-1.0.3/Makefile000066400000000000000000000073721356535530200151110ustar00rootroot00000000000000# Since we rely on paths relative to the makefile location, abort if make isn't being run from there. $(if $(findstring /,$(MAKEFILE_LIST)),$(error Please only invoke this makefile from the directory it resides in)) # The files that need updating when incrementing the version number. VERSIONED_FILES := *.js *.json README* # Add the local npm packages' bin folder to the PATH, so that `make` can find them, when invoked directly. # Note that rather than using `$(npm bin)` the 'node_modules/.bin' path component is hard-coded, so that invocation works even from an environment # where npm is (temporarily) unavailable due to having deactivated an nvm instance loaded into the calling shell in order to avoid interference with tests. export PATH := $(shell printf '%s' "$$PWD/node_modules/.bin:$$PATH") UTILS := semver # Make sure that all required utilities can be located. UTIL_CHECK := $(or $(shell PATH="$(PATH)" which $(UTILS) >/dev/null && echo 'ok'),$(error Did you forget to run `npm install` after cloning the repo? At least one of the required supporting utilities not found: $(UTILS))) # Default target (by virtue of being the first non '.'-prefixed in the file). .PHONY: _no-target-specified _no-target-specified: $(error Please specify the target to make - `make list` shows targets. Alternatively, use `npm test` to run the default tests; `npm run` shows all tests) # Lists all targets defined in this makefile. .PHONY: list list: @$(MAKE) -pRrn : -f $(MAKEFILE_LIST) 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | command grep -v -e '^[^[:alnum:]]' -e '^$@$$command ' | sort # All-tests target: invokes the specified test suites for ALL shells defined in $(SHELLS). .PHONY: test test: @npm test .PHONY: _ensure-tag _ensure-tag: ifndef TAG $(error Please invoke with `make TAG= release`, where is either an increment specifier (patch, minor, major, prepatch, preminor, premajor, prerelease), or an explicit major.minor.patch version number) endif CHANGELOG_ERROR = $(error No CHANGELOG specified) .PHONY: _ensure-changelog _ensure-changelog: @ (git status -sb --porcelain | command grep -E '^( M|[MA] ) CHANGELOG.md' > /dev/null) || (echo no CHANGELOG.md specified && exit 2) # Ensures that the git workspace is clean. .PHONY: _ensure-clean _ensure-clean: @[ -z "$$((git status --porcelain --untracked-files=no || echo err) | command grep -v 'CHANGELOG.md')" ] || { echo "Workspace is not clean; please commit changes first." >&2; exit 2; } # Makes a release; invoke with `make TAG= release`. .PHONY: release release: _ensure-tag _ensure-changelog _ensure-clean @old_ver=`git describe --abbrev=0 --tags --match 'v[0-9]*.[0-9]*.[0-9]*'` || { echo "Failed to determine current version." >&2; exit 1; }; old_ver=$${old_ver#v}; \ new_ver=`echo "$(TAG)" | sed 's/^v//'`; new_ver=$${new_ver:-patch}; \ if printf "$$new_ver" | command grep -q '^[0-9]'; then \ semver "$$new_ver" >/dev/null || { echo 'Invalid version number specified: $(TAG) - must be major.minor.patch' >&2; exit 2; }; \ semver -r "> $$old_ver" "$$new_ver" >/dev/null || { echo 'Invalid version number specified: $(TAG) - must be HIGHER than current one.' >&2; exit 2; } \ else \ new_ver=`semver -i "$$new_ver" "$$old_ver"` || { echo 'Invalid version-increment specifier: $(TAG)' >&2; exit 2; } \ fi; \ printf "=== Bumping version **$$old_ver** to **$$new_ver** before committing and tagging:\n=== TYPE 'proceed' TO PROCEED, anything else to abort: " && read response && [ "$$response" = 'proceed' ] || { echo 'Aborted.' >&2; exit 2; }; \ replace "$$old_ver" "$$new_ver" -- $(VERSIONED_FILES) && \ git commit -m "v$$new_ver" $(VERSIONED_FILES) CHANGELOG.md && \ git tag -a -m "v$$new_ver" "v$$new_ver" is-symbol-1.0.3/README.md000066400000000000000000000025711356535530200147240ustar00rootroot00000000000000#is-symbol [![Version Badge][2]][1] [![Build Status][3]][4] [![dependency status][5]][6] [![dev dependency status][7]][8] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url] [![npm badge][11]][1] [![browser support][9]][10] Is this an ES6 Symbol value? ## Example ```js var isSymbol = require('is-symbol'); assert(!isSymbol(function () {})); assert(!isSymbol(null)); assert(!isSymbol(function* () { yield 42; return Infinity; }); assert(isSymbol(Symbol.iterator)); assert(isSymbol(Symbol('foo'))); assert(isSymbol(Symbol.for('foo'))); assert(isSymbol(Object(Symbol('foo')))); ``` ## Tests Simply clone the repo, `npm install`, and run `npm test` [1]: https://npmjs.org/package/is-symbol [2]: http://versionbadg.es/inspect-js/is-symbol.svg [3]: https://travis-ci.org/inspect-js/is-symbol.svg [4]: https://travis-ci.org/inspect-js/is-symbol [5]: https://david-dm.org/inspect-js/is-symbol.svg [6]: https://david-dm.org/inspect-js/is-symbol [7]: https://david-dm.org/inspect-js/is-symbol/dev-status.svg [8]: https://david-dm.org/inspect-js/is-symbol#info=devDependencies [11]: https://nodei.co/npm/is-symbol.png?downloads=true&stars=true [license-image]: http://img.shields.io/npm/l/is-symbol.svg [license-url]: LICENSE [downloads-image]: http://img.shields.io/npm/dm/is-symbol.svg [downloads-url]: http://npm-stat.com/charts.html?package=is-symbol is-symbol-1.0.3/index.js000066400000000000000000000013771356535530200151150ustar00rootroot00000000000000'use strict'; var toStr = Object.prototype.toString; var hasSymbols = require('has-symbols')(); if (hasSymbols) { var symToStr = Symbol.prototype.toString; var symStringRegex = /^Symbol\(.*\)$/; var isSymbolObject = function isRealSymbolObject(value) { if (typeof value.valueOf() !== 'symbol') { return false; } return symStringRegex.test(symToStr.call(value)); }; module.exports = function isSymbol(value) { if (typeof value === 'symbol') { return true; } if (toStr.call(value) !== '[object Symbol]') { return false; } try { return isSymbolObject(value); } catch (e) { return false; } }; } else { module.exports = function isSymbol(value) { // this environment does not support Symbols. return false && value; }; } is-symbol-1.0.3/package.json000066400000000000000000000034361356535530200157340ustar00rootroot00000000000000{ "name": "is-symbol", "version": "1.0.3", "description": "Determine if a value is an ES6 Symbol or not.", "main": "index.js", "scripts": { "prepublish": "safe-publish-latest", "pretest": "npm run lint", "tests-only": "node --es-staging --harmony test", "test": "npm run tests-only", "posttest": "npx aud", "coverage": "covert test", "lint": "eslint .", "version": "auto-changelog && git add CHANGELOG.md", "postversion": "auto-changelog && git add CHANGELOG.md && git commit --no-edit --amend && git tag -f \"v$(node -e \"console.log(require('./package.json').version)\")\"" }, "repository": { "type": "git", "url": "git://github.com/inspect-js/is-symbol.git" }, "keywords": [ "symbol", "es6", "is", "Symbol" ], "author": "Jordan Harband ", "funding": { "url": "https://github.com/sponsors/ljharb" }, "license": "MIT", "bugs": { "url": "https://github.com/inspect-js/is-symbol/issues" }, "dependencies": { "has-symbols": "^1.0.1" }, "devDependencies": { "@ljharb/eslint-config": "^15.0.2", "auto-changelog": "^1.16.2", "covert": "^1.1.1", "eslint": "^6.6.0", "object-inspect": "^1.7.0", "safe-publish-latest": "^1.1.4", "semver": "^6.3.0", "tape": "^4.11.0" }, "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 } } is-symbol-1.0.3/test/000077500000000000000000000000001356535530200144175ustar00rootroot00000000000000is-symbol-1.0.3/test/index.js000066400000000000000000000050331356535530200160650ustar00rootroot00000000000000'use strict'; var test = require('tape'); var isSymbol = require('../index'); var forEach = function (arr, func) { var i; for (i = 0; i < arr.length; ++i) { func(arr[i], i, arr); } }; var hasSymbols = require('has-symbols')(); var inspect = require('object-inspect'); var debug = function (v, m) { return inspect(v) + ' ' + m; }; test('non-symbol values', function (t) { var nonSymbols = [ true, false, Object(true), Object(false), null, undefined, {}, [], /a/g, 'string', 42, new Date(), function () {}, NaN ]; t.plan(nonSymbols.length); forEach(nonSymbols, function (nonSymbol) { t.equal(false, isSymbol(nonSymbol), debug(nonSymbol, 'is not a symbol')); }); t.end(); }); test('faked symbol values', function (t) { t.test('real symbol valueOf', { skip: !hasSymbols }, function (st) { var fakeSymbol = { valueOf: function () { return Symbol('foo'); } }; st.equal(false, isSymbol(fakeSymbol), 'object with valueOf returning a symbol is not a symbol'); st.end(); }); t.test('faked @@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, function (st) { var fakeSymbol = { valueOf: function () { return Symbol('foo'); } }; fakeSymbol[Symbol.toStringTag] = 'Symbol'; st.equal(false, isSymbol(fakeSymbol), 'object with fake Symbol @@toStringTag and valueOf returning a symbol is not a symbol'); var notSoFakeSymbol = { valueOf: function () { return 42; } }; notSoFakeSymbol[Symbol.toStringTag] = 'Symbol'; st.equal(false, isSymbol(notSoFakeSymbol), 'object with fake Symbol @@toStringTag and valueOf not returning a symbol is not a symbol'); st.end(); }); var fakeSymbolString = { toString: function () { return 'Symbol(foo)'; } }; t.equal(false, isSymbol(fakeSymbolString), 'object with toString returning Symbol(foo) is not a symbol'); t.end(); }); test('Symbol support', { skip: !hasSymbols }, function (t) { t.test('well-known Symbols', function (st) { var isWellKnown = function filterer(name) { return name !== 'for' && name !== 'keyFor' && !(name in filterer); }; var wellKnownSymbols = Object.getOwnPropertyNames(Symbol).filter(isWellKnown); wellKnownSymbols.forEach(function (name) { var sym = Symbol[name]; st.equal(true, isSymbol(sym), debug(sym, ' is a symbol')); }); st.end(); }); t.test('user-created symbols', function (st) { var symbols = [ Symbol(), Symbol('foo'), Symbol['for']('foo'), Object(Symbol('object')) ]; symbols.forEach(function (sym) { st.equal(true, isSymbol(sym), debug(sym, ' is a symbol')); }); st.end(); }); t.end(); });