{"id":290,"date":"2016-08-05T09:44:02","date_gmt":"2016-08-05T00:44:02","guid":{"rendered":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/blog\/2016\/08\/05\/firstimpressionsofrxjs"},"modified":"2016-08-05T09:44:02","modified_gmt":"2016-08-05T00:44:02","slug":"firstimpressionsofrxjs","status":"publish","type":"post","link":"https:\/\/p-corporate-blog-cms.mmmcorp.co.jp\/blog\/2016\/08\/05\/firstimpressionsofrxjs\/","title":{"rendered":"RxJS\u96d1\u611f"},"content":{"rendered":"<h2 id=\"outline__1\" id=\"\u6982\u8981\">\u6982\u8981<\/h2>\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067RxJS\u3092\u4f7f\u3046\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u3002\u3060\u3044\u3076\u524d\u306b\u5165\u9580\u3057\u3088\u3046\u3068\u3057\u3066\u632b\u6298\u3057\u305f\u304c\u3001\u6539\u3081\u3066\u3084\u3063\u3066\u307f\u3066\u611f\u3058\u305f\u3053\u3068\u3092\u66f8\u3053\u3046\u3068\u601d\u3046\u3002<\/p>\n<h2 id=\"outline__2\" id=\"observable-stream\">Observable Stream?<\/h2>\n<p>RxJS\u3067\u306f\u3001\u76e3\u8996\u53ef\u80fd\u306a\u30a4\u30d9\u30f3\u30c8\u3092Observable Stream\u3068\u3088\u3093\u3067\u3044\u308b\u3002\u3053\u308c\u306fNode.js\u306eStream\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3001\u30c7\u30fc\u30bf\u3092\u4e00\u6c17\u306b\u51e6\u7406\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7d30\u5207\u308c\u306e\u5358\u4f4d\u3067\u8aad\u307f\u53d6\u308b\u3053\u3068\u306e\u3067\u304d\u308b\u3082\u306e\u3001\u3068\u7406\u89e3\u3057\u3066\u3044\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u3069\u3053\u304b\u3067\u30c7\u30fc\u30bf\u304c\u30b9\u30c8\u30c3\u30d7\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u5e38\u306b\u30c7\u30fc\u30bf\u304c\u6d41\u308c\u7d9a\u3051\u308b\u3002<\/p>\n<h2 id=\"outline__3\" id=\"\u5b9f\u88c5\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\">\u5b9f\u88c5\u3059\u308b\u306e\u306f\u96e3\u3057\u3044<\/h2>\n<p>\u3042\u308b\u7a0b\u5ea6\u6982\u5ff5\u3092\u7406\u89e3\u3057\u3066\u304f\u308b\u3068\u3001\u30b3\u30fc\u30c9\u3092\u8aad\u3080\u306e\u306f\u5bb9\u6613\u306b\u306a\u308b\u3002<code>\u3042\u308b\u52d5\u4f5c\u304c\u8d77\u3053\u3063\u305f\u3089\u3053\u308c\u3092\u3057\u3066<\/code>\u3068\u3044\u3046\u3088\u3046\u306a\u30b3\u30fc\u30c9\u304c<code>\u305d\u308c\u304c\u4f55\u3067\u3042\u308b\u304b<\/code>\u3068\u3044\u3046\u3068\u3053\u308d\u306b\u982d\u3092\u3064\u304b\u3046\u3088\u3046\u306b\u306a\u308a\u3001\u30b3\u30fc\u30c9\u306e\u91cf\u306f\u304b\u306a\u308a\u3078\u3089\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3042\u3061\u3053\u3061\u4fee\u6b63\u3059\u308b\u5fc5\u8981\u304c\u7121\u3044\u306e\u3067\u3001\u30ea\u30d5\u30a1\u30af\u30bf\u3082\u697d\u306b\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n<p>\u305f\u3060\u3001\u3055\u3066\u81ea\u5206\u3067\u5b9f\u88c5\u306b\u53d6\u308a\u639b\u304b\u308d\u3046\u3068\u3057\u3066\u307f\u308b\u3068\u3001<code>\u3042\u308c...\u66f8\u3051\u306a\u3044...?<\/code>\u3068\u3044\u3063\u305f\u6c17\u6301\u3061\u3067\u3042\u3063\u305f\u3002\u601d\u3063\u3066\u3044\u305f\u3088\u308a\u306a\u304b\u306a\u304b\u624b\u304c\u6b62\u307e\u3063\u3066\u3057\u307e\u3046\u3002\u30b9\u30c8\u30ea\u30fc\u30e0\u306e\u6982\u5ff5\u3092\u7406\u89e3\u3059\u308b\u306e\u3068\u3001\u305d\u308c\u3092\u30b3\u30fc\u30c9\u306b\u8d77\u3053\u3059\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u308b\u5370\u8c61\u3060\u3063\u305f\u3002\u3057\u304b\u3057\u3001\u3044\u3064\u306e\u9593\u306b\u304b\u5b9f\u88c5\u304c\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u306a\u611f\u3058\u304c\u3042\u3063\u3066\u3001\u30b3\u30fc\u30c9\u3082\u5c11\u306a\u3044\u306e\u3067\u3001\u66f8\u304d\u7d42\u308f\u3063\u305f\u6642\u306b\u306f\u6c17\u6301\u3061\u826f\u3044\u3002\u3082\u3063\u3068\u6163\u308c\u308b\u3068\u3001\u5b9f\u88c5\u5185\u5bb9\u306b\u3088\u3063\u3066\u306f\u3001\u547d\u4ee4\u7684\u306a\u30b3\u30fc\u30c9\u3088\u308a\u30b9\u30d4\u30fc\u30c9\u306f\u4e0a\u304c\u308a\u305d\u3046\u3060\u3068\u611f\u3058\u305f\u304c\u3001\u5b66\u7fd2\u304c\u5fc5\u8981\u3060\u3068\u611f\u3058\u308b\u3002\u305d\u306e\u305f\u3081\u3001\u4fdd\u5b88\u306f\u3057\u3084\u3059\u304f\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u524d\u63d0\u3068\u3057\u3066\u3001\u304b\u306a\u308a\u30b9\u30ad\u30eb\u3092\u6c42\u3081\u3089\u308c\u308b\u3053\u3068\u3068\u601d\u3046\u3002<\/p>\n<h2 id=\"outline__4\" id=\"mvi\">MVI<\/h2>\n<p>\u73fe\u5728\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001MVI(Model\u30fbView\u30fbIntent)\u306a\u8a2d\u8a08\u3092\u4f7f\u3063\u3066\u3044\u308b\u3002\u3053\u308c\u306fRx\u3092\u4f7f\u3046\u3068\u975e\u5e38\u306b\u3046\u307e\u304f\u30b3\u30fc\u30c9\u3092\u5206\u5272\u3067\u304d\u308b\u3002<\/p>\n<h3 id=\"outline__4_1\" id=\"\u305d\u308c\u305e\u308c\u306e\u8cac\u52d9\">\u305d\u308c\u305e\u308c\u306e\u8cac\u52d9<\/h3>\n<p>Intent\u304c\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u767a\u751f\u3057\u305f\u30a4\u30d9\u30f3\u30c8\u3001DOM\u64cd\u4f5c\u306a\u3069\u3092\u3001\u610f\u5473\u306e\u3042\u308b\u8981\u6c42\u306b\u5909\u63db\u3059\u308b\u3082\u306e\u3001\u3068\u3044\u3046\u7406\u89e3\u3002\u4f8b\u3048\u3070\u3001\u30dc\u30bf\u30f3\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3092\u3001<code>\u30d1\u30cd\u30eb\u306e\u958b\u9589\u3092\u3057\u305f\u3044\u3089\u3057\u3044<\/code>\u3068\u3044\u3046\u8981\u6c42\u3092\u610f\u5473\u3057\u305fObservable\u306b\u5909\u63db\u3059\u308b\u3088\u3046\u306a\u30a4\u30e1\u30fc\u30b8\u3002\u3088\u3063\u3066\u3001\u57fa\u672c\u7684\u306b\u306f\u3001\u3053\u3053\u3092\u8d77\u70b9\u306bObservable\u304c\u3064\u304f\u3089\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u305d\u306e\u5f8c\u3001Model\u304c\u305d\u308c\u3092\u53d6\u308a\u307e\u3068\u3081\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u72b6\u614b\u3092\u4f1d\u3048\u3001View\u306f\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u63cf\u753b\u3059\u308b\u5143\u306b\u306a\u308b\u3002\u4eee\u60f3DOM\u306b\u306fReact\u3092\u3064\u304b\u3063\u3066\u3044\u308b\u304c\u3001\u610f\u5473\u306e\u3042\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u305d\u306e\u307e\u307e<code>\u79fb\u3057\u3060\u3059<\/code>\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3067\u3001\u901a\u5e38\u30ed\u30b8\u30c3\u30af\u306f\u306f\u3044\u3089\u306a\u3044\u3002<\/p>\n<h2 id=\"outline__5\" id=\"rxjs\u3092\u958b\u767a\u3057\u3084\u3059\u304f\u3059\u308b\u3082\u306e\">RxJS\u3092\u958b\u767a\u3057\u3084\u3059\u304f\u3059\u308b\u3082\u306e<\/h2>\n<p>\u4ee5\u524d<a href=\"http:\/\/blog.mmmcorp.co.jp\/blog\/2016\/06\/25\/testing-rxjs-5\/\">RxJS(5.x)\u3067\u884c\u3046\u30c6\u30b9\u30c8\u30d5\u30a1\u30fc\u30b9\u30c8\u306a\u6a5f\u80fd\u958b\u767a<\/a>\u3067\u3082\u66f8\u304b\u308c\u305f\u304c\u3001\u3053\u306e\u3084\u308a\u65b9\u3067\u975e\u5e38\u306b\u30c6\u30b9\u30c8\u30d5\u30a1\u30fc\u30b9\u30c8\u306a\u958b\u767a\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u307e\u305f\u3001Rx\u306e\u7406\u89e3\u3057\u306b\u304f\u3044\u90e8\u5206\u3092\u3072\u3068\u3064\u3072\u3068\u3064\u691c\u8a3c\u3067\u304d\u308b\u3068\u3044\u3046\u610f\u5473\u3067\u3001\u30c6\u30b9\u30c8(\u3068TypeScript)\u304c\u3042\u308b\u3068\u304b\u306a\u308a\u6709\u76ca\u306b\u601d\u3048\u305f\u3002\u50d5\u81ea\u8eab\u306e\u7406\u89e3\u3082\u307e\u3060\u6d45\u3044\u305f\u3081\u3001\u9006\u306b\u306a\u3044\u3068\u4e0d\u5b89\u3067\u3082\u3042\u308b\u3002<\/p>\n<p>\u3068\u306f\u3044\u3048\u3001\u6700\u521d\u306f\u30de\u30fc\u30d6\u30eb\u3067\u306e\u30c6\u30b9\u30c8\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u305f\u306e\u3067\u3001\u3056\u3063\u304f\u308a\u3068\u8aac\u660e\u3092\u3057\u3066\u307f\u308b\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u69d8\u306a\u30de\u30fc\u30d6\u30eb\u3092\u8003\u3048\u308b\u3002<\/p>\n<pre><code class=\"language-JavaScript\">&quot;---a&quot;<\/code><\/pre>\n<p>\u3053\u308c\u306f\u300130frame\u76ee\u306b<code>a<\/code>\u3068\u3044\u3046\u30c7\u30fc\u30bf\u304cemit\u3055\u308c\u308b\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u308b(frame\u3068\u3044\u3046\u306e\u306fmillisecond\u3092\u6a21\u3057\u305f\u3082\u306e)\u3002\u6b21\u306b\u3001\u4ee5\u4e0b\u306e\u69d8\u306a\u30de\u30fc\u30d6\u30eb\u3092\u8003\u3048\u308b\u3002<\/p>\n<pre><code class=\"language-JavaScript\">&quot;---a&quot;, { a: &#39;R&#39; }<\/code><\/pre>\n<p>\u3053\u308c\u306f\u3001<code>a<\/code>\u3068\u3044\u3046\u30c7\u30fc\u30bf\u306b\u306f<code>R<\/code>\u3068\u3044\u3046string\u304c\u5165\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u308b\u3002\u3064\u307e\u308a\u300130frame\u76ee\u306b<code>R<\/code>\u304cemit\u3055\u308c\u308b\u3002\u540c\u3058\u3088\u3046\u306b\u8003\u3048\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u69d8\u306a\u30de\u30fc\u30d6\u30eb\u304c\u4f5c\u308c\u308b\u3002<\/p>\n<pre><code class=\"language-JavaScript\">\/\/ 30frame\u76ee\u306b`R`\u300150frame\u76ee\u306b`x`\n&quot;---a-b-&quot;, { a: &#39;R&#39;, b: &#39;x&#39; }<\/code><\/pre>\n<p>\u3053\u308c\u3092\u691c\u8a3c\u3057\u305f\u3044\u6642\u306b\u3001\u3082\u3046\u3072\u3068\u3064\u30de\u30fc\u30d6\u30eb\u3092\u3064\u304f\u3063\u3066\u3001\u7167\u3089\u3057\u3042\u308f\u305b\u3066\u30c6\u30b9\u30c8\u3092\u3059\u308b\u3002\u30a4\u30e1\u30fc\u30b8\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u69d8\u306a\u611f\u3058\u3067\u3042\u308b\u3002\u3053\u306e\u30b3\u30fc\u30c9\u306f\u52d5\u304b\u306a\u3044\u306e\u3067\u3001\u5b9f\u969b\u306e\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306f<a href=\"http:\/\/blog.mmmcorp.co.jp\/blog\/2016\/06\/25\/testing-rxjs-5\/\">\u3053\u3061\u3089<\/a>\u3067\u78ba\u8a8d\u3057\u3066\u307f\u3066\u6b32\u3057\u3044\u3002<\/p>\n<pre><code class=\"language-JavaScript\">\/\/ toBe\u306e\u4e2d\u304c\u671f\u5f85\u3055\u308c\u308bObseravable\nexpect(&quot;---a-b-&quot;, { a: &#39;R&#39;, b: &#39;x&#39; }).toBe(&quot;c--d-e-&quot;, { c: &#39;&#39;, d: &#39;R&#39;, e: &#39;Rx&#39; })<\/code><\/pre>\n<h2 id=\"outline__6\" id=\"\u307e\u3068\u3081\">\u307e\u3068\u3081<\/h2>\n<p>\u521d\u5b66\u8005\u7684\u306a\u89b3\u70b9\u3067RxJS\u306e\u96d1\u611f\u3092\u66f8\u3044\u3066\u307f\u305f\u3002\u53c2\u8003\u306b\u306a\u308b\u3068\u5b09\u3057\u3044\u3002<\/p>\n<h2 id=\"outline__7\" id=\"\u53c2\u8003\">\u53c2\u8003<\/h2>\n<ul>\n<li><a href=\"https:\/\/gist.github.com\/staltz\/868e7e9bc2a7b8c1f754\">The introduction to Reactive Programming you&#39;ve been missing<\/a><\/li>\n<li><a href=\"http:\/\/rxmarbles.com\/\">RxMarbles: Interactive diagrams of Rx Observables<\/a><\/li>\n<li><a href=\"http:\/\/qiita.com\/advent-calendar\/2015\/rxjs\">RxJS Advent Calendar 2015 - Qiita<\/a><\/li>\n<li><a href=\"http:\/\/r7kamura.hatenablog.com\/entry\/2015\/10\/07\/071900\">cycle.js\u3067\u306eMVI\u5206\u5272\u6642\u306b\u3069\u3046\u8003\u3048\u3066\u308b\u304b - \u2718\u2579\u25e1\u2579\u2718<\/a><\/li>\n<li><a href=\"http:\/\/r7kamura.hatenablog.com\/entry\/2015\/10\/04\/062333\">\u30a8\u30c7\u30a3\u30bf\u306e\u5b9f\u88c5\u3092cycle.js\u3067MVI\u30d9\u30fc\u30b9\u306b\u3057\u3066\u307f\u305f\u8a71 - \u2718\u2579\u25e1\u2579\u2718<\/a><\/li>\n<li><a href=\"http:\/\/blog.mmmcorp.co.jp\/blog\/2015\/12\/20\/prepare-to-rxjs\/\">Rx(JS)\u306b\u5165\u9580\u3059\u308b\u524d\u306b\u77e5\u3063\u3066\u304a\u304d\u305f\u3044N\u500b\u306e\u3053\u3068 | MMM\u30d6\u30ed\u30b0<\/a><\/li>\n<li><a href=\"http:\/\/blog.mmmcorp.co.jp\/blog\/2016\/06\/25\/testing-rxjs-5\/\">RxJS(5.x)\u3067\u884c\u3046\u30c6\u30b9\u30c8\u30d5\u30a1\u30fc\u30b9\u30c8\u306a\u6a5f\u80fd\u958b\u767a<\/a><\/li>\n<li><a href=\"http:\/\/blog.mmmcorp.co.jp\/blog\/2016\/07\/22\/why-rx\/\">\u306a\u305cReactive Extensions\u3092\u5c0e\u5165\u3059\u308b\u306e\u304b\uff1f | MMM\u30d6\u30ed\u30b0<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067RxJS\u3092\u4f7f\u3046\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u3002\u3060\u3044\u3076\u524d\u306b\u5165\u9580\u3057\u3088\u3046\u3068\u3057\u3066\u632b\u6298\u3057\u305f\u304c\u3001\u6539\u3081\u3066\u3084\u3063\u3066\u307f\u3066\u611f\u3058\u305f\u3053\u3068\u3092\u66f8\u3053\u3046\u3068\u601d\u3046\u3002 Observable Stream? 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