react-phone-number-input/commonjs/helpers/isE164Number.js

Telephone number input React component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = isE164Number;
exports.validateE164Number = validateE164Number;
// Tells if `value: string` is an `E.164` phone number.
//
// Returns a boolean.
//
// It doesn't validate that the minimum national (significant) number length
// is at least 2 characters.
//
function isE164Number(value) {
  if (value.length < 2) {
    return false;
  }
  if (value[0] !== '+') {
    return false;
  }
  var i = 1;
  while (i < value.length) {
    var character = value.charCodeAt(i);
    if (character >= 48 && character <= 57) {
      // Is a digit.
    } else {
      return false;
    }
    i++;
  }
  return true;
}
function validateE164Number(value) {
  if (!isE164Number(value)) {
    console.error('[react-phone-number-input] Expected the initial `value` to be a E.164 phone number. Got', value);
  }
}
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