import isViablePhoneNumber from '../helpers/isViablePhoneNumber.js'
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import _getNumberType from '../helpers/getNumberType.js'
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import isObject from '../helpers/isObject.js'
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import parse from '../parse.js'
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// Finds out national phone number type (fixed line, mobile, etc)
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export default function getNumberType() {
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const { input, options, metadata } = normalizeArguments(arguments)
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// `parseNumber()` would return `{}` when no phone number could be parsed from the input.
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if (!input.phone) {
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return
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}
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return _getNumberType(input, options, metadata)
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}
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// Sort out arguments
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export function normalizeArguments(args)
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{
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const [arg_1, arg_2, arg_3, arg_4] = Array.prototype.slice.call(args)
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let input
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let options = {}
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let metadata
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// If the phone number is passed as a string.
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// `getNumberType('88005553535', ...)`.
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if (typeof arg_1 === 'string')
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{
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// If "default country" argument is being passed
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// then convert it to an `options` object.
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// `getNumberType('88005553535', 'RU', metadata)`.
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if (!isObject(arg_2))
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{
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if (arg_4)
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{
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options = arg_3
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metadata = arg_4
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}
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else
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{
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metadata = arg_3
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}
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// `parse` extracts phone numbers from raw text,
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// therefore it will cut off all "garbage" characters,
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// while this `validate` function needs to verify
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// that the phone number contains no "garbage"
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// therefore the explicit `isViablePhoneNumber` check.
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if (isViablePhoneNumber(arg_1))
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{
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input = parse(arg_1, { defaultCountry: arg_2 }, metadata)
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}
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else
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{
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input = {}
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}
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}
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// No "resrict country" argument is being passed.
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// International phone number is passed.
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// `getNumberType('+78005553535', metadata)`.
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else
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{
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if (arg_3)
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{
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options = arg_2
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metadata = arg_3
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}
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else
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{
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metadata = arg_2
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}
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// `parse` extracts phone numbers from raw text,
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// therefore it will cut off all "garbage" characters,
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// while this `validate` function needs to verify
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// that the phone number contains no "garbage"
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// therefore the explicit `isViablePhoneNumber` check.
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if (isViablePhoneNumber(arg_1))
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{
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input = parse(arg_1, undefined, metadata)
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}
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else
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{
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input = {}
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}
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}
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}
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// If the phone number is passed as a parsed phone number.
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// `getNumberType({ phone: '88005553535', country: 'RU' }, ...)`.
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else if (isObject(arg_1))
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{
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input = arg_1
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if (arg_3)
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{
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options = arg_2
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metadata = arg_3
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}
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else
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{
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metadata = arg_2
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}
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}
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else throw new TypeError('A phone number must either be a string or an object of shape { phone, [country] }.')
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return {
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input,
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options,
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metadata
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}
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}
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