//プラットフォーム別　最後に読むやつ
//リンクを外部で開くか内部で出すか 
 $(document).on('click', 'a', e => {
  	var $a = $(e.target);
  	var url = $a.attr('href');
  	if (!url) {
  		var url = $a.parent().attr('href');
  	}
  	var urls = url.match(/https?:\/\/([-_.!~*\'()a-zA-Z0-9;\/?:\@&=+\$,%#]+)/);
	//hrefがhttp/httpsならブラウザで
  	if (urls[0]) {
  		const {
  			shell
  		} = require('electron');

  		shell.openExternal(url);
  	} else {

  		location.href = url;
  	}
  	return false;
  });
  
  //よく使うライブラリ
  /*マルチバイト用切り出し*/
  $.isSurrogatePear = function(upper, lower) {
  	return 0xD800 <= upper && upper <= 0xDBFF && 0xDC00 <= lower && lower <=
  		0xDFFF;
  };
  $.mb_strlen = function(str) {
  	var ret = 0;
  	for (var i = 0; i < str.length; i++, ret++) {
  		var upper = str.charCodeAt(i);
  		var lower = str.length > (i + 1) ? str.charCodeAt(i + 1) : 0;
  		if ($.isSurrogatePear(upper, lower)) {
  			i++;
  		}
  	}
  	return ret;
  };
  $.mb_substr = function(str, begin, end) {
  	var ret = '';
  	for (var i = 0, len = 0; i < str.length; i++, len++) {
  		var upper = str.charCodeAt(i);
  		var lower = str.length > (i + 1) ? str.charCodeAt(i + 1) : 0;
  		var s = '';
  		if ($.isSurrogatePear(upper, lower)) {
  			i++;
  			s = String.fromCharCode(upper, lower);
  		} else {
  			s = String.fromCharCode(upper);
  		}
  		if (begin <= len && len < end) {
  			ret += s;
  		}
  	}
  	return ret;
  };
  $.strip_tags = function(str, allowed) {
  	allowed = (((allowed || '') + '').toLowerCase().match(/<[a-z][a-z0-9]*>/g) || [])
  		.join('');
  	var tags = /<\/?([a-z][a-z0-9]*)\b[^>]*>/gi,
  		commentsAndPhpTags = /<!--[\s\S]*?-->|<\?(?:php)?[\s\S]*?\?>/gi;
  	return str.replace(commentsAndPhpTags, '').replace(tags, function($0, $1) {
  		return allowed.indexOf('<' + $1.toLowerCase() + '>') > -1 ? $0 : '';
  	});
  };