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

Telephone number input React component

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = parsePhoneNumberCharacter_;
var _core = require("libphonenumber-js/core");
/**
 * Parses next character while parsing phone number digits (including a `+`)
 * from text: discards everything except `+` and digits, and `+` is only allowed
 * at the start of a phone number.
 * For example, is used in `react-phone-number-input` where it uses
 * [`input-format`](https://gitlab.com/catamphetamine/input-format).
 * @param  {string} character - Yet another character from raw input string.
 * @param  {string?} prevParsedCharacters - Previous parsed characters.
 * @param  {object?} context - An optional object that could be used by this function to set arbitrary "flags". The object should be shared within the parsing of the whole string.
 * @return {string?} The parsed character.
 */
function parsePhoneNumberCharacter_(character, prevParsedCharacters, context) {
  // `context` argument was added as a third argument of `parse()` function
  // in `input-format` package on Dec 26th, 2023. So it could potentially be
  // `undefined` here if a 3rd-party app somehow ends up with this newer version
  // of `react-phone-number-input` and an older version of `input-format`.
  // Dunno how, but just in case, it could be `undefined` here and it wouldn't break.
  // Maybe it's not required to handle `undefined` case here.
  //
  // The addition of the `context` argument was to fix the slightly-weird behavior
  // of parsing an input string when the user inputs something like `"2+7"
  // https://github.com/catamphetamine/react-phone-number-input/issues/437
  //
  // If the parser encounters an unexpected `+` in a string being parsed
  // then it simply discards that out-of-place `+` and any following characters.
  //
  if (context && context.ignoreRest) {
    return;
  }
  var emitEvent = function emitEvent(eventName) {
    if (context) {
      switch (eventName) {
        case 'end':
          context.ignoreRest = true;
          break;
      }
    }
  };
  return (0, _core.parsePhoneNumberCharacter)(character, prevParsedCharacters, emitEvent);
}
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