Tamio Honma IOIO72

## convertUmlauts.js
export const convertUmlauts = str => {
  const charMap = {
    'ä': 'ae',
    'ö': 'oe',
    'ü': 'ue',
    'Ä': 'Ae',
    'Ö': 'Oe',
    'Ü': 'Ue',
    'ß': 'ss'
  };

## isValidDate.js
export const isValidDate = d => d instanceof Date && !isNaN(d);

## .htaccess
RewriteEngine On
RewriteCond %{TIME} <20190319010000
RewriteRule ^agb\.html$ /legal/beta [R=302,L]

## .htaccess
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} /.*\.html
RewriteRule ^(.*)\.html$ /$1 [R=301,L]

## removeSymbolPrefix
const removeSymbolPrefix = str => /^([^a-z]*)(.*)$/gi.exec(str)[2] || str;

## normalizeURIComponentName
const normalizeURIComponentName = str => {
  const stripChars = /[^a-z-\s]/gi;
  return (
    str.toLowerCase().replace(stripChars, '').replace(/\s/gi, '-') || str
  );
};

## getKeyValueSafely
const getKeyValueSafely = (obj, key) => (
  obj.hasOwnProperty(key) ? obj[key] : undefined
);

## joinToArrayOrGetString
const joinToArrayOrGetString = (strOrArray1, strOrArray2) => {
  const ret = [...convertToArray(strOrArray1), ...convertToArray(strOrArray2)].filter(item => typeof item === 'string');
  return (ret.length === 1) ? ret[0] : ret;
};

## convertToArray
const convertToArray = any => (Array.isArray(any)) ? any : [any];

## fillWithCharBefore
const fillWithCharBefore = (str, len, chr = '0') => (str.length <= len) ? `${chr.repeat(len - str.length)}${str}` : str;