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