{"id":2708,"date":"2019-08-11T22:48:10","date_gmt":"2019-08-11T13:48:10","guid":{"rendered":"http:\/\/www.cotegg.com\/blog\/?p=2708"},"modified":"2019-08-11T22:48:10","modified_gmt":"2019-08-11T13:48:10","slug":"typescriptenum%e3%82%92%e4%bb%a3%e5%85%a5%e8%a8%98%e6%b3%95%e3%81%a7%e6%9b%b8%e3%81%84%e3%81%9f%e5%a0%b4%e5%90%88%e3%81%ab%e3%80%81%e5%80%a4%e3%81%8b%e3%82%89%e3%82%ad%e3%83%bc%e3%81%8c%e5%8f%96","status":"publish","type":"post","link":"https:\/\/www.cotegg.com\/blog\/?p=2708","title":{"rendered":"[TypeScript]enum\u3092\u4ee3\u5165\u8a18\u6cd5\u3067\u66f8\u3044\u305f\u5834\u5408\u306b\u3001\u5024\u304b\u3089\u30ad\u30fc\u304c\u53d6\u308c\u308b\u304b\u8abf\u3079\u3066\u307f\u305f\u3002"},"content":{"rendered":"<p>TypeScript\u306eenum\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8(TypeScript Deep Dive)\u3092\u307f\u3066\u3044\u3066\u3001<br \/>\n\u8abf\u3079\u3066\u3044\u3066\u3061\u3087\u3063\u3068\u6c17\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u6587\u5b57\u5217\u4ee3\u5165\u306e\u3068\u304d\u306b\u5024\u304b\u3089\u30ad\u30fc\u53d6\u308c\u308b\u306e\uff1f\u534a\u4fe1\u534a\u7591\u306a\u306e\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<br \/>\nRails\u306eEnum\u3092\u4f7f\u3063\u3066\u3044\u308b\u611f\u3058\u3060\u3068\u3044\u3051\u305d\u3046\u3060\u3051\u3069\u3069\u3046\u3060\u308d\u3046\u304b\u3068\u3002<\/p>\n<p>\u307e\u305a\u306f\u4ee3\u5165\u3057\u306a\u3044\u30bf\u30a4\u30d7\u306eenum\u3067\u3059\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nenum FruitEnum {\n  Banana,\n  Melon\n}\nconsole.log(FruitEnum[&amp;#039;Banana&amp;#039;])\n\/\/ 0\nconsole.log(FruitEnum[0])\n\/\/ Banana\n<\/pre>\n<p>\u6b21\u306b\u4ee3\u5165\u578b\u306eenum\u3067\u3059\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nenum VegetablEnum {\n  Tomato = &amp;#039;red&amp;#039;,\n  Cabbage = &amp;#039;green&amp;#039;\n}\n<\/pre>\n<p>\u3053\u308c\u898b\u308b\u3068\u3044\u3051\u306a\u3055\u305d\u3046&#8230;<br \/>\nTomato: &#8216;red&#8217;\u307f\u305f\u3044\u306a\u8a18\u6cd5\u3060\u3068\u3044\u3051\u305d\u3046\u3067\u3059\u3051\u3069\u306d\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nconsole.log(VegetablEnum.Tomato)\n\/\/ red\nconsole.log(VegetablEnum[&amp;#039;red&amp;#039;])\n\/\/ undifined\n<\/pre>\n<p>\u53d6\u308c\u307e\u305b\u3093\u306d\u3002<\/p>\n<p>\u305d\u308c\u305e\u308c\u51fa\u529b\u3057\u3066\u898b\u308b\u3068\u3001\u69cb\u9020\u304c\u9055\u3044\u307e\u3057\u305f\u3002<br \/>\n\u3053\u308c\u898b\u308b\u3068\u3001\u308f\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u306d\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nconsole.log(FruitEnum)\n\/\/ {0: &amp;quot;Banana&amp;quot;, 1: &amp;quot;Melon&amp;quot;, Banana: 0, Melon: 1}\n\nconsole.log(VegetablEnum)\n\/\/ {Tomato: &amp;quot;red&amp;quot;, Cabbage: &amp;quot;green&amp;quot;}\n\n<\/pre>\n<p>\u3061\u306a\u307f\u306bjs\u306b\u3059\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u3063\u3066\u3044\u308b\u307f\u305f\u3044\u3067\u3059\u3002<\/p>\n<pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nvar Sample;\n(function (Sample) {\n    Sample[Sample[&amp;quot;hoge&amp;quot;] = 0] = &amp;quot;hoge&amp;quot;;\n})(Sample || (Sample = {}));\nconsole.log(Sample[&amp;#039;hoge&amp;#039;]);\n\/\/ 1\nvar Simple;\n(function (Simple) {\n    Simple[&amp;quot;hoge&amp;quot;] = &amp;quot;fuga&amp;quot;;\n})(Simple || (Simple = {}));\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>TypeScript\u306eenum\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8(TypeScript Deep D &#8230; 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