wehelpjs/lib/utils.js

wehelpjs is the JavaScript API Library for the WeYouMe blockchain

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.camelCase = camelCase;
exports.validateAccountName = validateAccountName;
const snakeCaseRe = /_([a-z])/g;

function camelCase(str) {
  return str.replace(snakeCaseRe, function (_m, l) {
    return l.toUpperCase();
  });
}

function validateAccountName(value) {
  let i, label, len, suffix;
  suffix = "Account name should ";

  if (!value) {
    return suffix + "not be empty.";
  }

  const length = value.length;

  if (length < 3) {
    return suffix + "be longer.";
  }

  if (length > 16) {
    return suffix + "be shorter.";
  }

  if (/\./.test(value)) {
    suffix = "Each account segment should ";
  }

  const ref = value.split(".");

  for (i = 0, len = ref.length; i < len; i++) {
    label = ref[i];

    if (!/^[a-z]/.test(label)) {
      return suffix + "start with a letter.";
    }

    if (!/^[a-z0-9-]*$/.test(label)) {
      return suffix + "have only letters, digits, or dashes.";
    }

    if (/--/.test(label)) {
      return suffix + "have only one dash in a row.";
    }

    if (!/[a-z0-9]$/.test(label)) {
      return suffix + "end with a letter or digit.";
    }

    if (!(label.length >= 3)) {
      return suffix + "be longer";
    }
  }

  return null;
}