libphonenumber-js/build/tools/compress.js

A simpler (and smaller) rewrite of Google Android's popular libphonenumber library

"use strict";

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports.default = compress;
function compress(input) {
	var countries = {};

	for (var _iterator = Object.keys(input.countries), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
		var _ref;

		if (_isArray) {
			if (_i >= _iterator.length) break;
			_ref = _iterator[_i++];
		} else {
			_i = _iterator.next();
			if (_i.done) break;
			_ref = _i.value;
		}

		var country_code = _ref;

		var country = input.countries[country_code];

		// When changing this array also change getters in `./metadata.js`
		var country_array = [country.phone_code, country.idd_prefix, country.national_number_pattern, country.possible_lengths,
		// country.possible_lengths_local,

		country.formats.map(function (format) {
			// When changing this array also change getters in `./metadata.js`
			var format_array = [format.pattern, format.format, format.leading_digits_patterns, format.national_prefix_formatting_rule, format.national_prefix_is_optional_when_formatting, format.international_format];

			return trim_array(format_array);
		}), country.national_prefix, country.national_prefix_formatting_rule, country.national_prefix_for_parsing, country.national_prefix_transform_rule, country.national_prefix_is_optional_when_formatting, country.leading_digits];

		if (country.types) {
			var types_array = [
			// These are common
			country.types.fixed_line, country.types.mobile, country.types.toll_free, country.types.premium_rate, country.types.personal_number,

			// These are less common
			country.types.voice_mail, country.types.uan, country.types.pager, country.types.voip, country.types.shared_cost].map(function (type) {
				return type && trim_array([type.pattern, type.possible_lengths
				// type.possible_lengths_local
				]);
			});

			country_array.push(trim_array(types_array));
		} else {
			country_array.push(null);
		}

		country_array.push(country.default_idd_prefix);

		country_array.push(country.ext);

		countries[country_code] = trim_array(country_array);
	}

	return {
		version: input.version,
		country_calling_codes: input.country_calling_codes,
		countries: countries
	};
}

// Empty strings are not considered "empty".
function is_empty(value) {
	return value === undefined || value === null || value === false || Array.isArray(value) && value.length === 0;
}

// Removes trailing empty values from an `array`
function trim_array(array) {
	// First, trim any empty elements.
	while (array.length > 0 && is_empty(array[array.length - 1])) {
		array.pop();
	}

	// Then replace all remaining empty elements with `0`
	// and also `true` with `1`.
	return array.map(function (element) {
		if (is_empty(element)) {
			return 0;
		}
		if (element === true) {
			return 1;
		}
		return element;
	});
}
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