50 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| const Hoek = require('@hapi/hoek');
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| 
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| 
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| const internals = {};
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| 
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| 
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| exports.create = function (key, options) {
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| 
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|     Hoek.assert(typeof key === 'string', 'Invalid reference key:', key);
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| 
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|     const settings = Hoek.clone(options);         // options can be reused and modified
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| 
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|     const ref = function (value, validationOptions) {
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| 
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|         return Hoek.reach(ref.isContext ? validationOptions.context : value, ref.key, settings);
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|     };
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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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| 
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|     ref.toString = function () {
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| 
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|         return (ref.isContext ? 'context:' : 'ref:') + ref.key;
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|     };
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| 
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|     return ref;
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| };
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| 
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| 
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| exports.isRef = function (ref) {
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| 
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|     return typeof ref === 'function' && ref.isJoi;
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| };
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| 
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| 
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| exports.push = function (array, ref) {
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| 
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|     if (exports.isRef(ref) &&
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|         !ref.isContext) {
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| 
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|         array.push(ref.root);
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|     }
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| };
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