63 lines
1.1 KiB
JavaScript
63 lines
1.1 KiB
JavaScript
function limpiar(rut) {
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rut = rut.replace(/\./g, '').replace(/-/g, '');
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rut = rut.toLowerCase();
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return rut;
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}
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function validar(rut) {
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rut = limpiar(rut);
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let dv = rut.substr(rut.length - 1, 1);
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rut = rut.substr(0, rut.length - 1);
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if (isNaN(rut)) {
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return false;
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}
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if (rut > 50000000) {
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return false;
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}
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if (dv === generarVerificador(rut)) {
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return true;
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}
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else {
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return false;
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}
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}
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function generarVerificador(rut) {
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let multiplier = 2;
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let sum = 0;
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let remainder = 0;
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let division = 0;
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for (let i = rut.length - 1; i >= 0; i--) {
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sum = sum + (rut.substr(i, 1) * multiplier);
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multiplier++;
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if (multiplier === 8) {
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multiplier = 2;
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}
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}
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division = Math.floor(sum / 11);
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division = division * 11;
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remainder = sum - division;
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if (remainder !== 0) {
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remainder = 11 - remainder;
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}
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if (remainder === 10) {
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return "k";
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}
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else {
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return remainder.toString(10);
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}
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}
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module.exports = {
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limpiar,
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validar
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};
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