stdnum
Version:
Standard Number Validation
123 lines • 8.95 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.compact = exports.format = exports.validate = exports.abbreviation = exports.localName = exports.name = void 0;
const exceptions = __importStar(require("../exceptions"));
const util_1 = require("../util");
const rc_1 = require("./rc");
function clean(input) {
const [value, err] = util_1.strings.cleanUnicode(input, ' -');
if (err !== null) {
return [value, err];
}
if (value.startsWith('CZ')) {
return [value.substr(2), null];
}
return [value, null];
}
function checkLegal(value) {
const [front, check] = util_1.strings.splitAt(value, -1);
const sum = (0, util_1.weightedSum)(front, {
modulus: 11,
weights: [8, 7, 6, 5, 4, 3, 2, 1],
});
const v = (11 - sum) % 11;
return (v === 0 ? '1' : String(v % 10)) === check;
}
function checkSpecial(value) {
const [front, check] = util_1.strings.splitAt(value, -1);
const sum = (0, util_1.weightedSum)(front, {
modulus: 11,
weights: [8, 7, 6, 5, 4, 3, 2, 1],
});
const digit = String((8 - ((10 - sum) % 11)) % 10);
return digit === check;
}
const impl = {
name: 'Czech VAT Number',
localName: 'Daňové identifikační číslo',
abbreviation: 'DIČ',
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, 9, 10].includes(value.length)) {
return { isValid: false, error: new exceptions.InvalidLength() };
}
if (!util_1.strings.isdigits(value)) {
return { isValid: false, error: new exceptions.InvalidFormat() };
}
if (value.length === 8) {
if (value.startsWith('9')) {
return { isValid: false, error: new exceptions.InvalidComponent() };
}
if (!checkLegal(value)) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: false,
isCompany: true,
};
}
if (value.length === 9 && value.startsWith('6')) {
if (!checkSpecial(value)) {
return { isValid: false, error: new exceptions.InvalidChecksum() };
}
return {
isValid: true,
compact: value,
isIndividual: false,
isCompany: true,
};
}
return (0, rc_1.validate)(value);
},
};
exports.name = impl.name, exports.localName = impl.localName, exports.abbreviation = impl.abbreviation, exports.validate = impl.validate, exports.format = impl.format, exports.compact = impl.compact;
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