stdnum
Version:
Standard Number Validation
51 lines • 4.04 kB
JavaScript
import * as exceptions from '../exceptions';
import * as strings from '../util/strings';
import { weightedSum } from '../util/checksum';
function clean(input) {
return strings.cleanUnicode(input, ' -');
}
const impl = {
name: 'International Article Number',
localName: 'International Article Number',
abbreviation: 'EAN',
compact(input) {
const [value, err] = clean(input);
if (err) {
throw err;
}
return value;
},
format(input) {
const [value] = clean(input);
return value;
},
validate(input) {
const [value, error] = clean(input);
if (error) {
return { isValid: false, error };
}
if (![8, 12, 13, 14].includes(value.length)) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!strings.isdigits(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
const [front, check] = strings.splitAt(value, -1);
const sum = weightedSum(front, {
modulus: 10,
weights: [3, 1],
reverse: true,
});
if (String((10 - sum) % 10) !== check) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: false,
isCompany: false,
};
},
};
export const { name, localName, abbreviation, validate, format, compact } = impl;
//# sourceMappingURL=data:application/json;base64,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