stdnum
Version:
Standard Number Validation
63 lines • 5.49 kB
JavaScript
import * as exceptions from '../exceptions';
import { strings } from '../util';
function clean(input) {
return strings.cleanUnicode(input, ' -');
}
export function validPrefix(value) {
const prefix = parseInt(value.substr(0, 2), 10);
if ((prefix < 1 || prefix > 24) && !(prefix === 30 || prefix === 50)) {
return false;
}
return true;
}
const impl = {
name: 'Ecuadorian Personal Identity Code',
localName: 'Cédula de Identidad',
abbreviation: 'CI',
compact(input) {
const [value, err] = clean(input);
if (err) {
throw err;
}
return value;
},
format(input) {
const [value] = clean(input);
return strings.splitAt(value, 9).join('-');
},
validate(input) {
const [value, error] = clean(input);
if (error) {
return { isValid: false, error };
}
if (value.length !== 10) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!strings.isdigits(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
if (!validPrefix(value)) {
return { isValid: false, error: new exceptions.InvalidComponent() };
}
if (parseInt(value[2], 10) > 6) {
return { isValid: false, error: new exceptions.InvalidComponent() };
}
const digit = value
.split('')
.map(v => parseInt(v, 10))
.map((v, idx) => (idx % 2 === 0 ? v * 2 : v))
.map(v => (v > 9 ? v - 9 : v))
.reduce((acc, v) => acc + v) % 10;
if (digit !== 0) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: true,
isCompany: false,
};
},
};
export const { name, localName, abbreviation, validate, format, compact } = impl;
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