Fix.

node_modules/is-callable/test.js

@@ -0,0 +1,158 @@
+'use strict';
+
+/* eslint no-magic-numbers: 1 */
+
+var test = require('tape');
+var isCallable = require('./');
+var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';
+var genFn = require('make-generator-function');
+var arrowFn = require('make-arrow-function')();
+var weirdlyCommentedArrowFn;
+var asyncFn;
+var asyncArrowFn;
+try {
+	/* eslint no-new-func: 0 */
+	weirdlyCommentedArrowFn = Function('return cl/*/**/=>/**/ass - 1;')();
+	asyncFn = Function('return async function foo() {};')();
+	asyncArrowFn = Function('return async () => {};')();
+} 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 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: !genFn }, function (t) {
+	t.ok(isCallable(genFn), 'generator function is callable');
+	t.end();
+});
+
+test('Arrow functions', { skip: !arrowFn }, function (t) {
+	t.ok(isCallable(arrowFn), 'arrow function 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: !asyncFn }, function (t) {
+	t.ok(isCallable(asyncFn), '`async function`s are callable');
+	t.ok(isCallable(asyncArrowFn), '`async` arrow functions are callable');
+	t.end();
+});