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const check = require('check-types');
const iso3166 = require('../helper/iso3166');
function _sanitize(raw, clean) {
// error & warning messages
var messages = { errors: [], warnings: [] };
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// target input param
var country = raw['boundary.country'];
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// param 'boundary.country' is optional and should not
// error when simply not set by the user
if (check.assigned(country)){
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// must be valid string
if (!check.nonEmptyString(country)) {
messages.errors.push('boundary.country is not a string');
}
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// must be a valid ISO 3166 code
else if (!containsIsoCode(country)) {
messages.errors.push(country + ' is not a valid ISO2/ISO3 country code');
}
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// valid ISO 3166 country code, set alpha3 code on 'clean.boundary.country'
else {
// the only way for boundary.country to be assigned is if input is
// a string and a known ISO2 or ISO3
clean['boundary.country'] = iso3166.iso3Code(country);
}
}
return messages;
}
function containsIsoCode(isoCode) {
return iso3166.isISO2Code(isoCode) || iso3166.isISO3Code(isoCode);
}
function _expected(){
return [{ name: 'boundary.country' }];
}
module.exports = () => ({
sanitize: _sanitize,
expected: _expected
});