'use strict';
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const Hoek = require('@hapi/hoek');
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const internals = {};
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exports.create = function (key, options) {
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Hoek.assert(typeof key === 'string', 'Invalid reference key:', key);
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const settings = Hoek.clone(options); // options can be reused and modified
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const ref = function (value, validationOptions) {
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return Hoek.reach(ref.isContext ? validationOptions.context : value, ref.key, settings);
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};
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ref.isContext = (key[0] === ((settings && settings.contextPrefix) || '$'));
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ref.key = (ref.isContext ? key.slice(1) : key);
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ref.path = ref.key.split((settings && settings.separator) || '.');
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ref.depth = ref.path.length;
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ref.root = ref.path[0];
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ref.isJoi = true;
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ref.toString = function () {
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return (ref.isContext ? 'context:' : 'ref:') + ref.key;
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};
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return ref;
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};
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exports.isRef = function (ref) {
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return typeof ref === 'function' && ref.isJoi;
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};
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exports.push = function (array, ref) {
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if (exports.isRef(ref) &&
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!ref.isContext) {
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array.push(ref.root);
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}
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};
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