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					34 lines
				
				1.1 KiB
			
		
		
			
		
	
	
					34 lines
				
				1.1 KiB
			| 
											3 years ago
										 | import Metadata from '../metadata.js'; | ||
|  | import { VALID_DIGITS } from '../constants.js'; | ||
|  | var CAPTURING_DIGIT_PATTERN = new RegExp('([' + VALID_DIGITS + '])'); | ||
|  | export default function stripIddPrefix(number, country, callingCode, metadata) { | ||
|  |   if (!country) { | ||
|  |     return; | ||
|  |   } // Check if the number is IDD-prefixed.
 | ||
|  | 
 | ||
|  | 
 | ||
|  |   var countryMetadata = new Metadata(metadata); | ||
|  |   countryMetadata.selectNumberingPlan(country, callingCode); | ||
|  |   var IDDPrefixPattern = new RegExp(countryMetadata.IDDPrefix()); | ||
|  | 
 | ||
|  |   if (number.search(IDDPrefixPattern) !== 0) { | ||
|  |     return; | ||
|  |   } // Strip IDD prefix.
 | ||
|  | 
 | ||
|  | 
 | ||
|  |   number = number.slice(number.match(IDDPrefixPattern)[0].length); // If there're any digits after an IDD prefix,
 | ||
|  |   // then those digits are a country calling code.
 | ||
|  |   // Since no country code starts with a `0`,
 | ||
|  |   // the code below validates that the next digit (if present) is not `0`.
 | ||
|  | 
 | ||
|  |   var matchedGroups = number.match(CAPTURING_DIGIT_PATTERN); | ||
|  | 
 | ||
|  |   if (matchedGroups && matchedGroups[1] != null && matchedGroups[1].length > 0) { | ||
|  |     if (matchedGroups[1] === '0') { | ||
|  |       return; | ||
|  |     } | ||
|  |   } | ||
|  | 
 | ||
|  |   return number; | ||
|  | } | ||
|  | //# sourceMappingURL=stripIddPrefix.js.map
 |