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65 lines
2.2 KiB
65 lines
2.2 KiB
3 years ago
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import Metadata from './metadata.js'
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import checkNumberLength from './helpers/checkNumberLength.js'
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export default function isPossiblePhoneNumber(input, options, metadata) {
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/* istanbul ignore if */
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if (options === undefined) {
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options = {}
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}
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metadata = new Metadata(metadata)
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if (options.v2) {
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if (!input.countryCallingCode) {
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throw new Error('Invalid phone number object passed')
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}
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metadata.selectNumberingPlan(input.countryCallingCode)
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} else {
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if (!input.phone) {
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return false
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}
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if (input.country) {
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if (!metadata.hasCountry(input.country)) {
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throw new Error(`Unknown country: ${input.country}`)
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}
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metadata.country(input.country)
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} else {
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if (!input.countryCallingCode) {
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throw new Error('Invalid phone number object passed')
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}
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metadata.selectNumberingPlan(input.countryCallingCode)
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}
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}
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// Old metadata (< 1.0.18) had no "possible length" data.
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if (metadata.possibleLengths()) {
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return isPossibleNumber(input.phone || input.nationalNumber, metadata)
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} else {
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// There was a bug between `1.7.35` and `1.7.37` where "possible_lengths"
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// were missing for "non-geographical" numbering plans.
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// Just assume the number is possible in such cases:
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// it's unlikely that anyone generated their custom metadata
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// in that short period of time (one day).
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// This code can be removed in some future major version update.
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if (input.countryCallingCode && metadata.isNonGeographicCallingCode(input.countryCallingCode)) {
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// "Non-geographic entities" did't have `possibleLengths`
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// due to a bug in metadata generation process.
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return true
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} else {
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throw new Error('Missing "possibleLengths" in metadata. Perhaps the metadata has been generated before v1.0.18.');
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}
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}
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}
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export function isPossibleNumber(nationalNumber, metadata) { //, isInternational) {
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switch (checkNumberLength(nationalNumber, metadata)) {
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case 'IS_POSSIBLE':
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return true
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// This library ignores "local-only" phone numbers (for simplicity).
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// See the readme for more info on what are "local-only" phone numbers.
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// case 'IS_POSSIBLE_LOCAL_ONLY':
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// return !isInternational
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default:
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return false
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}
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}
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