{"id":17860,"date":"2022-09-04T16:13:13","date_gmt":"2022-09-04T07:13:13","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=17860"},"modified":"2023-05-27T22:38:38","modified_gmt":"2023-05-27T13:38:38","slug":"%e3%80%90rails%e3%80%91%e3%80%8c%e3%83%ad%e3%83%bc%e3%83%89%e3%83%91%e3%82%b9%e3%80%8d%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=17860","title":{"rendered":"\u3010Rails\u3011\u300c\u30ed\u30fc\u30c9\u30d1\u30b9\u300d\u3001\u300cZeitwerk\u300d\u306b\u3064\u3044\u3066"},"content":{"rendered":"<h2>\u30ed\u30fc\u30c9\u30d1\u30b9\u3068\u306f\uff1f<\/h2>\n<p>require\u306a\u3069\u304c\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3059\u308b\u969b\u306b\u4f7f\u7528\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<h3>\u4f8b<\/h3>\n<p>config\/application.rb\u306e\u4e2d\u306b\u300crequire \"rails\"\u300d\u3068\u3044\u3046\u8a18\u8ff0\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30ed\u30fc\u30c9\u30d1\u30b9\u306e\u8a18\u8ff0\u3092\u8fbf\u3063\u3066Rails\u306b\u305f\u3069\u308a\u7740\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u30ed\u30fc\u30c9\u30d1\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>Rails\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u3067\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">pp $LOAD_PATH<\/pre>\n<h2>\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30d1\u30b9\u3068\u306f\uff1f<\/h2>\n<p>Rails\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u81ea\u52d5\u3067\u8aad\u307f\u8fbc\u3080\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u3053\u3068\u3002Rails6\u304b\u3089\u306f<span style=\"color: #ff0000;\"><strong>\u300cZeitwerk\uff08\u30c4\u30a1\u30a4\u30c8\u30d9\u30eb\u30af\uff09\u300d<\/strong><\/span>\u3068\u8a00\u3046\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30b7\u30b9\u30c6\u30e0\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001JavaScript\u3067\u3042\u308c\u3070\u4ed6\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306e\u8aad\u307f\u8fbc\u307f\u306fimport\u306a\u3069\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u304c\u3001Zeitwerk\u304c\u3042\u308c\u3070imoprt\u6587\u4e0d\u8981\u3067\u4ed6\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u8aad\u307f\u8fbc\u3080\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u5f93\u6765\u306eRails(Rails5\u4ee5\u524d)\u3067\u306f\u3001const_missing\u3068\u3044\u3046\u4ed5\u7d44\u307f\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u51e6\u7406\u9806\u5e8f\u306b\u3088\u3063\u3066\u306f\u4e0d\u5177\u5408\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3068\u306e\u3053\u3068\u3067Rails6\u304b\u3089Zeitwerk\u3068\u3044\u3046\u4ed5\u7d44\u307f\u306b\u7f6e\u304d\u63db\u308f\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001\u5f93\u6765\u306e\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30b7\u30b9\u30c6\u30e0\u306b\u6bd4\u3079\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u5411\u4e0a\u3057\u3066\u304a\u308a\u3001\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u3067\u6c4e\u7528\u6027\u3082\u9ad8\u3044\u4ed5\u7d44\u307f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001Zeitwerk\u306fGem\u306b\u306a\u3063\u3066\u304a\u308a\u3001Rails\u306b\u9650\u3089\u305a\u69d8\u3005\u306aRuby\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6d41\u7528\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002(\u4f7f\u3048\u3070require\u5730\u7344\u304b\u3089\u8131\u51fa\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002)<\/p>\n<h3>Zeitwerk\u306e\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30d1\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5<\/h3>\n<p>Rails\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u3067\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \">pp ActiveSupport::Dependencies.autoload_paths<\/pre>\n<p>\u306a\u304a\u3001\u3082\u3057\u30ed\u30fc\u30c9\u30d1\u30b9\u306bZeitwerk\u306e\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30d1\u30b9\u3092\u4f7f\u3046\u5834\u5408\u306fRails\u306b\u4ee5\u4e0b\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">config.add_autoload_paths_to_load_path = false<\/pre>\n<p>\u306a\u305c\u306a\u3089\u3001\u901a\u5e38\u306eRails\u306e\u30ed\u30fc\u30c9\u30d1\u30b9\u306b\u6bd4\u3079\u3066Zeitwerk\u306e\u30aa\u30fc\u30c8\u30ed\u30fc\u30c9\u30d1\u30b9\u306e\u65b9\u304c\u53b3\u9078\u3055\u308c\u3066\u3044\u3066\u9ad8\u901f\u5316\u3092\u898b\u8fbc\u3081\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n<h3>Zeitwerk\u304c\u6709\u52b9\u5316\u8abf\u3079\u308b\u306b\u306f\uff1f<\/h3>\n<pre class=\"lang:default decode:true\">Rails.autoloaders.zeitwerk_enabled?<\/pre>\n<p>\u3061\u306a\u307f\u306b\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308c\u3070\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4>config<span class=\"token operator\">\/<\/span>application<span class=\"token punctuation\">.<\/span>rb<\/h4>\n<pre class=\"lang:default decode:true  \">config.load_defaults 6.0<\/pre>\n","protected":false},"excerpt":{"rendered":"\u30ed\u30fc\u30c9\u30d1\u30b9\u3068\u306f\uff1f require\u306a\u3069\u304c\u30d5\u30a1\u30a4\u30eb\u3092\u53c2\u7167\u3059\u308b\u969b\u306b\u4f7f\u7528\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u30d1\u30b9\u306e\u3053\u3068\u3067\u3059\u3002 \u4f8b config\/application.rb\u306e\u4e2d\u306b\u300crequire \"rails\"\u300d\u3068\u3044\u3046\u8a18\u8ff0\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30ed\u30fc\u30c9\u30d1\u30b9\u306e [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[36],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/17860"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=17860"}],"version-history":[{"count":9,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/17860\/revisions"}],"predecessor-version":[{"id":20486,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/17860\/revisions\/20486"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=17860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=17860"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=17860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}