'use strict'; // Load modules const Hoek = require('hoek'); const ObjectType = require('../object'); const Ref = require('../../ref'); // Declare internals const internals = {}; internals.Func = class extends ObjectType.constructor { constructor() { super(); this._flags.func = true; } arity(n) { Hoek.assert(Number.isSafeInteger(n) && n >= 0, 'n must be a positive integer'); return this._test('arity', n, function (value, state, options) { if (value.length === n) { return value; } return this.createError('function.arity', { n }, state, options); }); } minArity(n) { Hoek.assert(Number.isSafeInteger(n) && n > 0, 'n must be a strict positive integer'); return this._test('minArity', n, function (value, state, options) { if (value.length >= n) { return value; } return this.createError('function.minArity', { n }, state, options); }); } maxArity(n) { Hoek.assert(Number.isSafeInteger(n) && n >= 0, 'n must be a positive integer'); return this._test('maxArity', n, function (value, state, options) { if (value.length <= n) { return value; } return this.createError('function.maxArity', { n }, state, options); }); } ref() { return this._test('ref', null, function (value, state, options) { if (Ref.isRef(value)) { return value; } return this.createError('function.ref', null, state, options); }); } class() { return this._test('class', null, function (value, state, options) { if ((/^\s*class\s/).test(value.toString())) { return value; } return this.createError('function.class', null, state, options); }); } }; module.exports = new internals.Func();