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authorGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
committerGravatar Piotr Russ <mail@pruss.it> 2020-11-18 23:26:45 +0100
commit81ddf9b700bc48a1f8e472209f080f9c1d9a9b09 (patch)
tree8b959d50c5a614cbf9fcb346ed556140374d4b6d /node_modules/is-callable/test/index.js
parent1870f3fdf43707a15fda0f609a021f516f45eb63 (diff)
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-rw-r--r--node_modules/is-callable/test/index.js190
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diff --git a/node_modules/is-callable/test/index.js b/node_modules/is-callable/test/index.js
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--- a/node_modules/is-callable/test/index.js
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@@ -1,190 +0,0 @@
-'use strict';
-
-/* globals Proxy */
-/* eslint no-magic-numbers: 1 */
-
-var test = require('tape');
-var isCallable = require('../');
-var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';
-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 forEach = require('foreach');
-
-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 (_) {
- // If `Reflect` is supported, then `Function.prototype.toString` isn't used for callability detection.
- if (typeof Reflect !== 'object') {
- // 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 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.test('non-number/string primitives', function (st) {
- st.notOk(isCallable(), 'undefined is not callable');
- st.notOk(isCallable(null), 'null is not callable');
- st.notOk(isCallable(false), 'false is not callable');
- st.notOk(isCallable(true), 'true is not callable');
- st.end();
- });
-
- t.notOk(isCallable([]), 'array is not callable');
- t.notOk(isCallable({}), 'object is not callable');
- t.notOk(isCallable(/a/g), 'regex literal is not callable');
- t.notOk(isCallable(new RegExp('a', 'g')), 'regex object is not callable');
- t.notOk(isCallable(new Date()), 'new Date() is not callable');
-
- t.test('numbers', function (st) {
- st.notOk(isCallable(42), 'number is not callable');
- st.notOk(isCallable(Object(42)), 'number object is not callable');
- st.notOk(isCallable(NaN), 'NaN is not callable');
- st.notOk(isCallable(Infinity), 'Infinity is not callable');
- st.end();
- });
-
- t.test('strings', function (st) {
- st.notOk(isCallable('foo'), 'string primitive is not callable');
- st.notOk(isCallable(Object('foo')), 'string object is not callable');
- st.end();
- });
-
- t.test('non-function with function in its [[Prototype]] chain', function (st) {
- var Foo = function Bar() {};
- Foo.prototype = noop;
- st.equal(true, isCallable(Foo), 'sanity check: Foo is callable');
- st.equal(false, isCallable(new Foo()), 'instance of Foo is not callable');
- st.end();
- });
-
- t.end();
-});
-
-test('@@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, 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();
-});
-
-var typedArrayNames = [
- 'Int8Array',
- 'Uint8Array',
- 'Uint8ClampedArray',
- 'Int16Array',
- 'Uint16Array',
- 'Int32Array',
- 'Uint32Array',
- 'Float32Array',
- 'Float64Array'
-];
-
-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', function (st) {
- forEach(typedArrayNames, function (typedArray) {
- /* istanbul ignore if : covered in node 0.6 */
- if (typeof global[typedArray] === 'undefined') {
- st.comment('# SKIP typed array "' + typedArray + '" not supported');
- } else {
- 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 }, function (t) {
- 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.ok(isCallable(proxy), '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');
-});