cafe-grader-web Files · node_modules/estree-is-function/test.js

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                    node_modules/estree-is-function/test.js
                
             | 32 lines
             | 877 B
             | application/javascript 
             | JavascriptLexer
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      var test = require('tape')

      var isFunction = require('./')

      var parse = require('acorn').parse

      test('throws if not a node', function (t) {

        t.plan(2)

        t.throws(function () { isFunction(null) })

        t.throws(function () { isFunction({ whatever: 'xyz' }) })

      })

      test('FunctionDeclaration', function (t) {

        t.plan(1)

        t.ok(isFunction(parse('function a () {}').body[0]))

      })

      test('ArrowFunction', function (t) {

        t.plan(1)

        t.ok(isFunction(parse('(() => {})').body[0].expression))

      })

      test('FunctionExpression', function (t) {

        t.plan(2)

        t.ok(isFunction(parse('(function () {})').body[0].expression))

        t.ok(isFunction(parse('(function a () {})').body[0].expression))

      })

      test('anything else', function (t) {

        t.plan(3)

        t.notOk(isFunction(parse('10').body[0]))

        t.notOk(isFunction(parse('class A {}').body[0]))

        t.notOk(isFunction(parse('var x = () => {}').body[0]))

      })

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				var test = require('tape')
				var isFunction = require('./')
				var parse = require('acorn').parse

				test('throws if not a node', function (t) {
				t.plan(2)
				t.throws(function () { isFunction(null) })
				t.throws(function () { isFunction({ whatever: 'xyz' }) })
				})

				test('FunctionDeclaration', function (t) {
				t.plan(1)
				t.ok(isFunction(parse('function a () {}').body[0]))
				})

				test('ArrowFunction', function (t) {
				t.plan(1)
				t.ok(isFunction(parse('(() => {})').body[0].expression))
				})

				test('FunctionExpression', function (t) {
				t.plan(2)
				t.ok(isFunction(parse('(function () {})').body[0].expression))
				t.ok(isFunction(parse('(function a () {})').body[0].expression))
				})

				test('anything else', function (t) {
				t.plan(3)
				t.notOk(isFunction(parse('10').body[0]))
				t.notOk(isFunction(parse('class A {}').body[0]))
				t.notOk(isFunction(parse('var x = () => {}').body[0]))
				})