Initial import with skill sheet working

This commit is contained in:
2024-12-04 00:11:23 +01:00
commit 9050c80ab4
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root = true
[*]
indent_style = tab
indent_size = 4
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
max_line_length = 150
[CHANGELOG.md]
indent_style = space
indent_size = 2
max_line_length = off
[README.md]
indent_style = off
indent_size = off
max_line_length = off
[*.json]
max_line_length = off
[Makefile]
max_line_length = off
[coverage*/**/*]
indent_style = off
indent_size = off
max_line_length = off

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{
"root": true,
"extends": "@ljharb",
"rules": {
"id-length": 0,
"max-statements-per-line": [2, { "max": 2 }],
},
}

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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-callable
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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# 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).
## [v1.2.7](https://github.com/inspect-js/is-callable/compare/v1.2.6...v1.2.7) - 2022-09-23
### Commits
- [Fix] recognize `document.all` in IE 6-10 [`06c1db2`](https://github.com/inspect-js/is-callable/commit/06c1db2b9b2e0f28428e1293eb572f8f93871ec7)
- [Tests] improve logic for FF 20-35 [`0f7d9b9`](https://github.com/inspect-js/is-callable/commit/0f7d9b9c7fe149ca87e71f0a125ade251a6a578c)
- [Fix] handle `document.all` in FF 27 (and +, probably) [`696c661`](https://github.com/inspect-js/is-callable/commit/696c661b8c0810c2d05ab172f1607f4e77ddf81e)
- [Tests] fix proxy tests in FF 42-63 [`985df0d`](https://github.com/inspect-js/is-callable/commit/985df0dd36f8cfe6f1993657b7c0f4cfc19dae30)
- [readme] update tested browsers [`389e919`](https://github.com/inspect-js/is-callable/commit/389e919493b1cb2010126b0411e5291bf76169bd)
- [Fix] detect `document.all` in Opera 12.16 [`b9f1022`](https://github.com/inspect-js/is-callable/commit/b9f1022b3d7e466b7f09080bd64c253caf644325)
- [Fix] HTML elements: properly report as callable in Opera 12.16 [`17391fe`](https://github.com/inspect-js/is-callable/commit/17391fe02b895777c4337be28dca3b364b743b34)
- [Tests] fix inverted logic in FF3 test [`056ebd4`](https://github.com/inspect-js/is-callable/commit/056ebd48790f46ca18ff5b12f51b44c08ccc3595)
## [v1.2.6](https://github.com/inspect-js/is-callable/compare/v1.2.5...v1.2.6) - 2022-09-14
### Commits
- [Fix] work for `document.all` in Firefox 3 and IE 6-8 [`015132a`](https://github.com/inspect-js/is-callable/commit/015132aaef886ec777b5b3593ef4ce461dd0c7d4)
- [Test] skip function toString check for nullish values [`8698116`](https://github.com/inspect-js/is-callable/commit/8698116f95eb59df8b48ec8e4585fc1cdd8cae9f)
- [readme] add "supported engines" section [`0442207`](https://github.com/inspect-js/is-callable/commit/0442207a89a1554d41ba36daf21862ef7ccbd500)
- [Tests] skip one of the fixture objects in FF 3.6 [`a501141`](https://github.com/inspect-js/is-callable/commit/a5011410bc6edb276c6ec8b47ce5c5d83c4bee15)
- [Tests] allow `class` constructor tests to fail in FF v45 - v54, which has undetectable classes [`b12e4a4`](https://github.com/inspect-js/is-callable/commit/b12e4a4d8c438678bd7710f9f896680150766b51)
- [Fix] Safari 4: regexes should not be considered callable [`4b732ff`](https://github.com/inspect-js/is-callable/commit/4b732ffa34346db3f0193ea4e46b7d4e637e6c82)
- [Fix] properly recognize `document.all` in Safari 4 [`3193735`](https://github.com/inspect-js/is-callable/commit/319373525dc4603346661641840cd9a3e0613136)
## [v1.2.5](https://github.com/inspect-js/is-callable/compare/v1.2.4...v1.2.5) - 2022-09-11
### Commits
- [actions] reuse common workflows [`5bb4b32`](https://github.com/inspect-js/is-callable/commit/5bb4b32dc93987328ab4f396601f751c4a7abd62)
- [meta] better `eccheck` command [`b9bd597`](https://github.com/inspect-js/is-callable/commit/b9bd597322b6e3a24c74c09881ca73e1d9f9f485)
- [meta] use `npmignore` to autogenerate an npmignore file [`3192d38`](https://github.com/inspect-js/is-callable/commit/3192d38527c7fc461d05d5aa93d47628e658bc45)
- [Fix] for HTML constructors, always use `tryFunctionObject` even in pre-toStringTag browsers [`3076ea2`](https://github.com/inspect-js/is-callable/commit/3076ea21d1f6ecc1cb711dcf1da08f257892c72b)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `available-typed-arrays`, `object-inspect`, `safe-publish-latest`, `tape` [`8986746`](https://github.com/inspect-js/is-callable/commit/89867464c42adc5cd375ee074a4574b0295442cb)
- [meta] add `auto-changelog` [`7dda9d0`](https://github.com/inspect-js/is-callable/commit/7dda9d04e670a69ae566c8fa596da4ff4371e615)
- [Fix] properly report `document.all` [`da90b2b`](https://github.com/inspect-js/is-callable/commit/da90b2b68dc4f33702c2e01ad07b4f89bcb60984)
- [actions] update codecov uploader [`c8f847c`](https://github.com/inspect-js/is-callable/commit/c8f847c90e04e54ff73c7cfae86e96e94990e324)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape` [`899ae00`](https://github.com/inspect-js/is-callable/commit/899ae00b6abd10d81fc8bc7f02b345fd885d5f56)
- [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `es-value-fixtures`, `object-inspect`, `tape` [`344e913`](https://github.com/inspect-js/is-callable/commit/344e913b149609bf741aa7345fa32dc0b90d8893)
- [meta] remove greenkeeper config [`737dce5`](https://github.com/inspect-js/is-callable/commit/737dce5590b1abb16183a63cb9d7d26920b3b394)
- [meta] npmignore coverage output [`680a883`](https://github.com/inspect-js/is-callable/commit/680a8839071bf36a419fe66e1ced7a3303c27b28)
<!-- auto-changelog-above -->
1.2.4 / 2021-08-05
=================
* [Fix] use `has-tostringtag` approach to behave correctly in the presence of symbol shams
* [readme] fix repo URLs
* [readme] add actions and codecov badges
* [readme] remove defunct badges
* [meta] ignore eclint checking coverage output
* [meta] use `prepublishOnly` script for npm 7+
* [actions] use `node/install` instead of `node/run`; use `codecov` action
* [actions] remove unused workflow file
* [Tests] run `nyc` on all tests; use `tape` runner
* [Tests] use `available-typed-arrays`, `for-each`, `has-symbols`, `object-inspect`
* [Dev Deps] update `available-typed-arrays`, `eslint`, `@ljharb/eslint-config`, `aud`, `object-inspect`, `tape`
1.2.3 / 2021-01-31
=================
* [Fix] `document.all` is callable (do not use `document.all`!)
* [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `aud`, `tape`
* [Tests] migrate tests to Github Actions
* [actions] add "Allow Edits" workflow
* [actions] switch Automatic Rebase workflow to `pull_request_target` event
1.2.2 / 2020-09-21
=================
* [Fix] include actual fix from 579179e
* [Dev Deps] update `eslint`
1.2.1 / 2020-09-09
=================
* [Fix] phantomjs Reflect.apply does not throw properly on a bad array-like
* [Dev Deps] update `eslint`, `@ljharb/eslint-config`
* [meta] fix eclint error
1.2.0 / 2020-06-02
=================
* [New] use `Reflect.apply`based callability detection
* [readme] add install instructions (#55)
* [meta] only run `aud` on prod deps
* [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `tape`, `make-arrow-function`, `make-generator-function`; add `aud`, `safe-publish-latest`, `make-async-function`
* [Tests] add tests for function proxies (#53, #25)
1.1.5 / 2019-12-18
=================
* [meta] remove unused Makefile and associated utilities
* [meta] add `funding` field; add FUNDING.yml
* [Dev Deps] update `eslint`, `@ljharb/eslint-config`, `semver`, `tape`, `covert`, `rimraf`
* [Tests] use shared travis configs
* [Tests] use `eccheck` over `editorconfig-tools`
* [Tests] use `npx aud` instead of `nsp` or `npm audit` with hoops
* [Tests] remove `jscs`
* [actions] add automatic rebasing / merge commit blocking
1.1.4 / 2018-07-02
=================
* [Fix] improve `class` and arrow function detection (#30, #31)
* [Tests] on all latest node minors; improve matrix
* [Dev Deps] update all dev deps
1.1.3 / 2016-02-27
=================
* [Fix] ensure “class “ doesnt screw up “class” detection
* [Tests] up to `node` `v5.7`, `v4.3`
* [Dev Deps] update to `eslint` v2, `@ljharb/eslint-config`, `jscs`
1.1.2 / 2016-01-15
=================
* [Fix] Make sure comments dont screw up “class” detection (#4)
* [Tests] up to `node` `v5.3`
* [Tests] Add `parallelshell`, run both `--es-staging` and stock tests at once
* [Dev Deps] update `tape`, `jscs`, `nsp`, `eslint`, `@ljharb/eslint-config`
* [Refactor] convert `isNonES6ClassFn` into `isES6ClassFn`
1.1.1 / 2015-11-30
=================
* [Fix] do not throw when a non-function has a function in its [[Prototype]] (#2)
* [Dev Deps] update `tape`, `eslint`, `@ljharb/eslint-config`, `jscs`, `nsp`, `semver`
* [Tests] up to `node` `v5.1`
* [Tests] no longer allow node 0.8 to fail.
* [Tests] fix npm upgrades in older nodes
1.1.0 / 2015-10-02
=================
* [Fix] Some browsers report TypedArray constructors as `typeof object`
* [New] return false for "class" constructors, when possible.
* [Tests] up to `io.js` `v3.3`, `node` `v4.1`
* [Dev Deps] update `eslint`, `editorconfig-tools`, `nsp`, `tape`, `semver`, `jscs`, `covert`, `make-arrow-function`
* [Docs] Switch from vb.teelaun.ch to versionbadg.es for the npm version badge SVG
1.0.4 / 2015-01-30
=================
* If @@toStringTag is not present, use the old-school Object#toString test.
1.0.3 / 2015-01-29
=================
* Add tests to ensure arrow functions are callable.
* Refactor to aid optimization of non-try/catch code.
1.0.2 / 2015-01-29
=================
* Fix broken package.json
1.0.1 / 2015-01-29
=================
* Add early exit for typeof not "function"
1.0.0 / 2015-01-29
=================
* Initial release.

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The 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.

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# is-callable <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 JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
## Supported engines
Automatically tested in every minor version of node.
Manually tested in:
- Safari: v4 - v15 <sub>(4, 5, 5.1, 6.0.5, 6.2, 7.1, 8, 9.1.3, 10.1.2, 11.1.2, 12.1, 13.1.2, 14.1.2, 15.3, 15.6.1)</sub>
- Note: Safari 9 has `class`, but `Function.prototype.toString` hides that progeny and makes them look like functions, so `class` constructors will be reported by this package as callable, when they are not in fact callable.
- Chrome: v15 - v81, v83 - v106<sub>(every integer version)</sub>
- Note: This includes Edge v80+ and Opera v15+, which matches Chrome
- Firefox: v3, v3.6, v4 - v105 <sub>(every integer version)</sub>
- Note: v45 - v54 has `class`, but `Function.prototype.toString` hides that progeny and makes them look like functions, so `class` constructors will be reported by this package as callable, when they are not in fact callable.
- Note: in v42 - v63, `Function.prototype.toString` throws on HTML element constructors, or a Proxy to a function
- Note: in v20 - v35, HTML element constructors are not callable, despite having typeof `function`.
- Note: in v19, `document.all` is not callable.
- IE: v6 - v11<sub>(every integer version</sub>
- Opera: v11.1, v11.5, v11.6, v12.1, v12.14, v12.15, v12.16, v15+ <sub>v15+ matches Chrome</sub>
## Example
```js
var isCallable = require('is-callable');
var assert = require('assert');
assert.notOk(isCallable(undefined));
assert.notOk(isCallable(null));
assert.notOk(isCallable(false));
assert.notOk(isCallable(true));
assert.notOk(isCallable([]));
assert.notOk(isCallable({}));
assert.notOk(isCallable(/a/g));
assert.notOk(isCallable(new RegExp('a', 'g')));
assert.notOk(isCallable(new Date()));
assert.notOk(isCallable(42));
assert.notOk(isCallable(NaN));
assert.notOk(isCallable(Infinity));
assert.notOk(isCallable(new Number(42)));
assert.notOk(isCallable('foo'));
assert.notOk(isCallable(Object('foo')));
assert.ok(isCallable(function () {}));
assert.ok(isCallable(function* () {}));
assert.ok(isCallable(x => x * x));
```
## Install
Install with
```
npm install is-callable
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[1]: https://npmjs.org/package/is-callable
[2]: https://versionbadg.es/inspect-js/is-callable.svg
[5]: https://david-dm.org/inspect-js/is-callable.svg
[6]: https://david-dm.org/inspect-js/is-callable
[7]: https://david-dm.org/inspect-js/is-callable/dev-status.svg
[8]: https://david-dm.org/inspect-js/is-callable#info=devDependencies
[11]: https://nodei.co/npm/is-callable.png?downloads=true&stars=true
[license-image]: https://img.shields.io/npm/l/is-callable.svg
[license-url]: LICENSE
[downloads-image]: https://img.shields.io/npm/dm/is-callable.svg
[downloads-url]: https://npm-stat.com/charts.html?package=is-callable
[codecov-image]: https://codecov.io/gh/inspect-js/is-callable/branch/main/graphs/badge.svg
[codecov-url]: https://app.codecov.io/gh/inspect-js/is-callable/
[actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-callable
[actions-url]: https://github.com/inspect-js/is-callable/actions

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'use strict';
var fnToStr = Function.prototype.toString;
var reflectApply = typeof Reflect === 'object' && Reflect !== null && Reflect.apply;
var badArrayLike;
var isCallableMarker;
if (typeof reflectApply === 'function' && typeof Object.defineProperty === 'function') {
try {
badArrayLike = Object.defineProperty({}, 'length', {
get: function () {
throw isCallableMarker;
}
});
isCallableMarker = {};
// eslint-disable-next-line no-throw-literal
reflectApply(function () { throw 42; }, null, badArrayLike);
} catch (_) {
if (_ !== isCallableMarker) {
reflectApply = null;
}
}
} else {
reflectApply = null;
}
var constructorRegex = /^\s*class\b/;
var isES6ClassFn = function isES6ClassFunction(value) {
try {
var fnStr = fnToStr.call(value);
return constructorRegex.test(fnStr);
} catch (e) {
return false; // not a function
}
};
var tryFunctionObject = function tryFunctionToStr(value) {
try {
if (isES6ClassFn(value)) { return false; }
fnToStr.call(value);
return true;
} catch (e) {
return false;
}
};
var toStr = Object.prototype.toString;
var objectClass = '[object Object]';
var fnClass = '[object Function]';
var genClass = '[object GeneratorFunction]';
var ddaClass = '[object HTMLAllCollection]'; // IE 11
var ddaClass2 = '[object HTML document.all class]';
var ddaClass3 = '[object HTMLCollection]'; // IE 9-10
var hasToStringTag = typeof Symbol === 'function' && !!Symbol.toStringTag; // better: use `has-tostringtag`
var isIE68 = !(0 in [,]); // eslint-disable-line no-sparse-arrays, comma-spacing
var isDDA = function isDocumentDotAll() { return false; };
if (typeof document === 'object') {
// Firefox 3 canonicalizes DDA to undefined when it's not accessed directly
var all = document.all;
if (toStr.call(all) === toStr.call(document.all)) {
isDDA = function isDocumentDotAll(value) {
/* globals document: false */
// in IE 6-8, typeof document.all is "object" and it's truthy
if ((isIE68 || !value) && (typeof value === 'undefined' || typeof value === 'object')) {
try {
var str = toStr.call(value);
return (
str === ddaClass
|| str === ddaClass2
|| str === ddaClass3 // opera 12.16
|| str === objectClass // IE 6-8
) && value('') == null; // eslint-disable-line eqeqeq
} catch (e) { /**/ }
}
return false;
};
}
}
module.exports = reflectApply
? function isCallable(value) {
if (isDDA(value)) { return true; }
if (!value) { return false; }
if (typeof value !== 'function' && typeof value !== 'object') { return false; }
try {
reflectApply(value, null, badArrayLike);
} catch (e) {
if (e !== isCallableMarker) { return false; }
}
return !isES6ClassFn(value) && tryFunctionObject(value);
}
: function isCallable(value) {
if (isDDA(value)) { return true; }
if (!value) { return false; }
if (typeof value !== 'function' && typeof value !== 'object') { return false; }
if (hasToStringTag) { return tryFunctionObject(value); }
if (isES6ClassFn(value)) { return false; }
var strClass = toStr.call(value);
if (strClass !== fnClass && strClass !== genClass && !(/^\[object HTML/).test(strClass)) { return false; }
return tryFunctionObject(value);
};

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{
"name": "is-callable",
"version": "1.2.7",
"author": {
"name": "Jordan Harband",
"email": "ljharb@gmail.com",
"url": "http://ljharb.codes"
},
"funding": {
"url": "https://github.com/sponsors/ljharb"
},
"contributors": [
{
"name": "Jordan Harband",
"email": "ljharb@gmail.com",
"url": "http://ljharb.codes"
}
],
"description": "Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.",
"license": "MIT",
"main": "index.js",
"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 --silent lint",
"test": "npm run tests-only --",
"posttest": "aud --production",
"tests-only": "nyc tape 'test/**/*.js'",
"prelint": "eclint check $(git ls-files | xargs find 2> /dev/null | grep -vE 'node_modules|\\.git')",
"lint": "eslint --ext=js,mjs ."
},
"repository": {
"type": "git",
"url": "git://github.com/inspect-js/is-callable.git"
},
"keywords": [
"Function",
"function",
"callable",
"generator",
"generator function",
"arrow",
"arrow function",
"ES6",
"toStringTag",
"@@toStringTag"
],
"devDependencies": {
"@ljharb/eslint-config": "^21.0.0",
"aud": "^2.0.0",
"auto-changelog": "^2.4.0",
"available-typed-arrays": "^1.0.5",
"eclint": "^2.8.1",
"es-value-fixtures": "^1.4.2",
"eslint": "=8.8.0",
"for-each": "^0.3.3",
"has-tostringtag": "^1.0.0",
"make-arrow-function": "^1.2.0",
"make-async-function": "^1.0.0",
"make-generator-function": "^2.0.0",
"npmignore": "^0.3.0",
"nyc": "^10.3.2",
"object-inspect": "^1.12.2",
"rimraf": "^2.7.1",
"safe-publish-latest": "^2.0.0",
"tape": "^5.6.0"
},
"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,
"hideCredit": true,
"startingVersion": "v1.2.5"
},
"publishConfig": {
"ignore": [
".github/workflows"
]
}
}

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node_modules/is-callable/test/index.js generated vendored Normal file
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'use strict';
/* eslint no-magic-numbers: 1 */
var test = require('tape');
var isCallable = require('../');
var hasToStringTag = require('has-tostringtag/shams')();
var v = require('es-value-fixtures');
var forEach = require('for-each');
var inspect = require('object-inspect');
var typedArrayNames = require('available-typed-arrays')();
var generators = require('make-generator-function')();
var arrows = require('make-arrow-function').list();
var asyncs = require('make-async-function').list();
var weirdlyCommentedArrowFn;
try {
/* eslint-disable no-new-func */
weirdlyCommentedArrowFn = Function('return cl/*/**/=>/**/ass - 1;')();
/* eslint-enable no-new-func */
} catch (e) { /**/ }
var isIE68 = !(0 in [undefined]);
var isFirefox = typeof window !== 'undefined' && ('netscape' in window) && (/ rv:/).test(navigator.userAgent);
var fnToStringCoerces;
try {
Function.prototype.toString.call(v.uncoercibleFnObject);
fnToStringCoerces = true;
} catch (e) {
fnToStringCoerces = false;
}
var noop = function () {};
var classFake = function classFake() { }; // eslint-disable-line func-name-matching
var returnClass = function () { return ' class '; };
var return3 = function () { return 3; };
/* for coverage */
noop();
classFake();
returnClass();
return3();
/* end for coverage */
var proxy;
if (typeof Proxy === 'function') {
try {
proxy = new Proxy(function () {}, {});
// for coverage
proxy();
String(proxy);
} catch (_) {
// Older engines throw a `TypeError` when `Function.prototype.toString` is called on a Proxy object.
proxy = null;
}
}
var invokeFunction = function invokeFunctionString(str) {
var result;
try {
/* eslint-disable no-new-func */
var fn = Function(str);
/* eslint-enable no-new-func */
result = fn();
} catch (e) {}
return result;
};
var classConstructor = invokeFunction('"use strict"; return class Foo {}');
var hasDetectableClasses = classConstructor && Function.prototype.toString.call(classConstructor) === 'class Foo {}';
var commentedClass = invokeFunction('"use strict"; return class/*kkk*/\n//blah\n Bar\n//blah\n {}');
var commentedClassOneLine = invokeFunction('"use strict"; return class/**/A{}');
var classAnonymous = invokeFunction('"use strict"; return class{}');
var classAnonymousCommentedOneLine = invokeFunction('"use strict"; return class/*/*/{}');
test('not callables', function (t) {
t.notOk(isCallable(), 'implicit undefined is not callable');
forEach(v.nonFunctions.concat([
Object(42),
Object('foo'),
NaN,
[],
/a/g,
new RegExp('a', 'g'),
new Date()
]), function (nonFunction) {
if (fnToStringCoerces && nonFunction === v.coercibleFnObject) {
t.comment('FF 3.6 has a Function toString that coerces its receiver, so this test is skipped');
return;
}
if (nonFunction != null) { // eslint-disable-line eqeqeq
if (isFirefox) {
// Firefox 3 throws some kind of *object* here instead of a proper error
t['throws'](
function () { Function.prototype.toString.call(nonFunction); },
inspect(nonFunction) + ' can not be used with Function toString'
);
} else {
t['throws'](
function () { Function.prototype.toString.call(nonFunction); },
TypeError,
inspect(nonFunction) + ' can not be used with Function toString'
);
}
}
t.equal(isCallable(nonFunction), false, inspect(nonFunction) + ' is not callable');
});
t.test('non-function with function in its [[Prototype]] chain', function (st) {
var Foo = function Bar() {};
Foo.prototype = noop;
st.equal(isCallable(Foo), true, 'sanity check: Foo is callable');
st.equal(isCallable(new Foo()), false, 'instance of Foo is not callable');
st.end();
});
t.end();
});
test('@@toStringTag', { skip: !hasToStringTag }, function (t) {
var fakeFunction = {
toString: function () { return String(return3); },
valueOf: return3
};
fakeFunction[Symbol.toStringTag] = 'Function';
t.equal(String(fakeFunction), String(return3));
t.equal(Number(fakeFunction), return3());
t.notOk(isCallable(fakeFunction), 'fake Function with @@toStringTag "Function" is not callable');
t.end();
});
test('Functions', function (t) {
t.ok(isCallable(noop), 'function is callable');
t.ok(isCallable(classFake), 'function with name containing "class" is callable');
t.ok(isCallable(returnClass), 'function with string " class " is callable');
t.ok(isCallable(isCallable), 'isCallable is callable');
t.end();
});
test('Typed Arrays', { skip: typedArrayNames.length === 0 }, function (st) {
forEach(typedArrayNames, function (typedArray) {
st.ok(isCallable(global[typedArray]), typedArray + ' is callable');
});
st.end();
});
test('Generators', { skip: generators.length === 0 }, function (t) {
forEach(generators, function (genFn) {
t.ok(isCallable(genFn), 'generator function ' + genFn + ' is callable');
});
t.end();
});
test('Arrow functions', { skip: arrows.length === 0 }, function (t) {
forEach(arrows, function (arrowFn) {
t.ok(isCallable(arrowFn), 'arrow function ' + arrowFn + ' is callable');
});
t.ok(isCallable(weirdlyCommentedArrowFn), 'weirdly commented arrow functions are callable');
t.end();
});
test('"Class" constructors', {
skip: !classConstructor || !commentedClass || !commentedClassOneLine || !classAnonymous, todo: !hasDetectableClasses
}, function (t) {
if (!hasDetectableClasses) {
t.comment('WARNING: This engine does not support detectable classes');
}
t.notOk(isCallable(classConstructor), 'class constructors are not callable');
t.notOk(isCallable(commentedClass), 'class constructors with comments in the signature are not callable');
t.notOk(isCallable(commentedClassOneLine), 'one-line class constructors with comments in the signature are not callable');
t.notOk(isCallable(classAnonymous), 'anonymous class constructors are not callable');
t.notOk(isCallable(classAnonymousCommentedOneLine), 'anonymous one-line class constructors with comments in the signature are not callable');
t.end();
});
test('`async function`s', { skip: asyncs.length === 0 }, function (t) {
forEach(asyncs, function (asyncFn) {
t.ok(isCallable(asyncFn), '`async function` ' + asyncFn + ' is callable');
});
t.end();
});
test('proxies of functions', { skip: !proxy }, function (t) {
t.equal(isCallable(proxy), true, 'proxies of functions are callable');
t.end();
});
test('throwing functions', function (t) {
t.plan(1);
var thrower = function (a) { return a.b; };
t.ok(isCallable(thrower), 'a function that throws is callable');
});
test('DOM', function (t) {
/* eslint-env browser */
t.test('document.all', { skip: typeof document !== 'object' }, function (st) {
st.notOk(isCallable(document), 'document is not callable');
var all = document.all;
var isFF3 = !isIE68 && Object.prototype.toString(all) === Object.prototype.toString.call(document.all); // this test is true in IE 6-8 also
var expected = false;
if (!isFF3) {
try {
expected = document.all('') == null; // eslint-disable-line eqeqeq
} catch (e) { /**/ }
}
st.equal(isCallable(document.all), expected, 'document.all is ' + (isFF3 ? 'not ' : '') + 'callable');
st.end();
});
forEach([
'HTMLElement',
'HTMLAnchorElement'
], function (name) {
var constructor = global[name];
t.test(name, { skip: !constructor }, function (st) {
st.match(typeof constructor, /^(?:function|object)$/, name + ' is a function or object');
var callable = isCallable(constructor);
st.equal(typeof callable, 'boolean');
if (callable) {
st.doesNotThrow(
function () { Function.prototype.toString.call(constructor); },
'anything this library claims is callable should be accepted by Function toString'
);
} else {
st['throws'](
function () { Function.prototype.toString.call(constructor); },
TypeError,
'anything this library claims is not callable should not be accepted by Function toString'
);
}
st.end();
});
});
t.end();
});