{"id":229,"date":"2019-10-10T17:50:52","date_gmt":"2019-10-10T08:50:52","guid":{"rendered":"https:\/\/weseek.co.jp\/tech\/?p=229"},"modified":"2023-04-17T10:29:46","modified_gmt":"2023-04-17T01:29:46","slug":"angular-tips-%e3%81%9d%e3%81%ae3","status":"publish","type":"post","link":"https:\/\/weseek.co.jp\/tech\/229\/","title":{"rendered":"Angular\u958b\u767a\u73fe\u5834\u306eTips-\u305d\u306e3"},"content":{"rendered":"<p>\u8a18\u4e8b\u306e\u6700\u5f8c\u306b\u95a2\u9023\u8a18\u4e8b\u3092\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u3088\u308d\u3057\u3051\u308c\u3070\u3054\u53c2\u8003\u306b\u3069\u3046\u305e\u3002<\/p>\n<hr \/>\n<p>\u3055\u3066\u3001\u4eca\u56de\u306f\u524d\u56de\u4e88\u544a\u3057\u305f\u3068\u304a\u308a <code>ng-content<\/code> \u3092\u4f7f\u3063\u305f\u3001\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306b\u5bfe\u3057\u3066\u5916\u90e8\u304b\u3089\u5b50\u8981\u7d20\u3092\u7a81\u3063\u8fbc\u3080\u3088\u3046\u306a\u51e6\u7406\u3092\u66f8\u3044\u3066\u307f\u3088\u3046\u304b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>Angular \u306b\u7f6e\u3044\u3066\u3042\u307e\u308a\u30b5\u30f3\u30d7\u30eb\u8a18\u4e8b\u304c\u306a\u3044\u5370\u8c61\u3067\u3059\u304c\u3001\u4f7f\u3044\u65b9\u3055\u3048\u899a\u3048\u3066\u304a\u3051\u3070\u304d\u3063\u3068\u5f79\u306b\u7acb\u3064\u306f\u305a\u3067\u3059\uff01<\/p>\n<p><!--more--><\/p>\n\n<h1>Tips 4 :ng-content \u3092\u4f7f\u3063\u305f\u5b50\u8981\u7d20\u3078\u306e\u6ce8\u5165<\/h1>\n<p><code>ng-content<\/code> \u3068\u306f\u3001\u4f5c\u6210\u3057\u305f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u5916\u90e8\u304b\u3089\u8981\u7d20\u3092\u6ce8\u5165\u3059\u308b\u3068\u304d\u306b\u4f7f\u3046\u30bf\u30b0\u3067\u3059\u3002<\/p>\n<h2>ng-content \u3092\u4f7f\u3063\u305f\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b<\/h2>\n<p>\u307e\u305a\u306f\u4e00\u756a\u7c21\u5358\u306a\u4f8b\u3092\u3001\u30b3\u30fc\u30c9\u30d9\u30fc\u30b9\u3067\u66f8\u3044\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><strong>selector: \u2018foo\u2019 \u3068\u3059\u308b Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9<\/strong><\/p>\n<pre><code>&lt;div&gt;\n  &lt;h1&gt;header\u8981\u7d20&lt;\/h1&gt;\n  &lt;!-- \u4ee5\u4e0bng-content\u3092\u914d\u7f6e\u3057\u3001\u5916\u90e8\u304b\u3089\u6ce8\u5165\u3059\u308b\u305f\u3081\u306e\u8981\u7d20\u3092\u5ba3\u8a00 --&gt;\n  &lt;ng-content&gt;&lt;\/ng-content&gt;\n&lt;\/div&gt;<\/code><\/pre>\n<p><strong>\u5916\u90e8\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067 foo \u3092\u547c\u3073\u51fa\u3057\u3001\u3055\u3089\u306b\u8981\u7d20\u3092\u6ce8\u5165<\/strong><\/p>\n<pre><code>&lt;foo&gt;\n  &lt;div&gt;test&lt;\/div&gt;\n  &lt;span&gt;test2&lt;\/span&gt;\n&lt;\/foo&gt;<\/code><\/pre>\n<p><strong>\u4e0a\u8a18\u306e foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u547c\u3073\u51fa\u3057\u305f\u7d50\u679c\u306e html<\/strong><\/p>\n<pre><code>&lt;div&gt;\n  &lt;h1&gt;header\u8981\u7d20&lt;\/h1&gt;\n  &lt;!-- angular \u306b\u3088\u3063\u3066\u5c55\u958b\u3055\u308c\u3001foo \u30bf\u30b0\u306b\u66f8\u3044\u305f\u30bf\u30b0\u304c\u5168\u3066 ng-content \u306b\u5c55\u958b\u3055\u308c\u308b --&gt;\n  &lt;div&gt;test&lt;\/div&gt;\n  &lt;span&gt;test2&lt;\/span&gt;\n&lt;\/div&gt;<\/code><\/pre>\n<p>foo \u30bf\u30b0\u5185\u90e8\u306b\u66f8\u3044\u305f\u8981\u7d20\u304c\u3001\u307e\u308b\u307e\u308b <code>ng-content<\/code> \u3068\u7f6e\u304d\u63db\u308f\u308a\u307e\u3059\u306d\u3002<br \/>\n\u4e0a\u8a18\u306e\u7c21\u5358\u306a\u4f8b\u3092\u5b9f\u88c5\u3059\u308b\u4e0a\u3067\u306f\u3046\u307e\u304f\u3044\u304d\u307e\u3057\u305f\u304c\u3001\u3067\u306f\u8907\u6570\u306e\u8981\u7d20\u3092\u5225\u3005\u306e\u5834\u6240\u306b\u6ce8\u5165\u3057\u305f\u3044\u5834\u5408\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\uff1f<\/p>\n<h2>ng-content \u3092\u4f7f\u3044\u8907\u6570\u306e\u8981\u7d20\u3092\u6ce8\u5165\u3059\u308b\u4f8b<\/h2>\n<p>ng-content \u3067\u306f select \u30a2\u30c8\u30ea\u30d3\u30e5\u30fc\u30c8\u3092\u4f7f\u3044\u3001\u6ce8\u5165\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br \/>\n\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3067\u8907\u6570\u306e\u8981\u7d20\u3092\u6ce8\u5165\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><strong>selector: \u2018foo\u2019 \u3068\u3059\u308b Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9<\/strong><\/p>\n<pre><code>&lt;div&gt;\n  &lt;!-- ng-content\u3092\u5ba3\u8a00(select\u3067h1\u3092\u6307\u5b9a) --&gt;\n  &lt;ng-content select=&quot;h1&quot;&gt;&lt;\/ng-content&gt;\n  &lt;!-- ng-content\u3092\u5ba3\u8a00(select\u3067.header\u3092\u6307\u5b9a) --&gt;\n  &lt;ng-content select=&quot;.header&quot;&gt;&lt;\/ng-content&gt;\n  &lt;!-- \u4ee5\u4e0bng-content\u3092\u5ba3\u8a00(select\u7121\u3057) --&gt;\n  &lt;ng-content&gt;&lt;\/ng-content&gt;\n&lt;\/div&gt;<\/code><\/pre>\n<p><strong>\u5916\u90e8\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067 foo \u3092\u547c\u3073\u51fa\u3057\u3001\u3055\u3089\u306b\u8981\u7d20\u3092\u6ce8\u5165<\/strong><\/p>\n<pre><code>&lt;foo&gt;\n&lt;h1&gt;test&lt;\/h1&gt;\n&lt;div class=&quot;header&quot;&gt;test2&lt;\/div&gt;\n&lt;div&gt;test3&lt;\/div&gt;\n&lt;span&gt;test4&lt;\/span&gt;\n&lt;\/foo&gt;<\/code><\/pre>\n<p><strong>\u4e0a\u8a18\u306e foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u547c\u3073\u51fa\u3057\u305f\u7d50\u679c\u306e html<\/strong><\/p>\n<pre><code>&lt;div&gt;\n  &lt;!-- select \u3067 h1 \u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067 h1 \u30bf\u30b0\u306e\u8981\u7d20\u304c\u5c55\u958b\u3055\u308c\u308b --&gt;\n  &lt;h1&gt;test&lt;\/h1&gt;\n  &lt;!-- select \u3067 .header \u3092\u6307\u5b9a\u3057\u3066\u3044\u308b\u306e\u3067 header \u30af\u30e9\u30b9\u3092\u6307\u5b9a\u3057\u305f\u8981\u7d20\u304c\u5c55\u958b\u3055\u308c\u308b --&gt;\n  &lt;div class=&quot;header&quot;&gt;test2&lt;\/div&gt;\n  &lt;!-- \u4e0a\u8a18\u6307\u5b9a\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u30bf\u30b0\u304c\u5168\u3066 ng-content \u306b\u5c55\u958b\u3055\u308c\u308b --&gt;\n  &lt;div&gt;test3&lt;\/div&gt;\n  &lt;span&gt;test4&lt;\/span&gt;\n&lt;\/div&gt;<\/code><\/pre>\n<p>foo \u30bf\u30b0\u5185\u90e8\u306b\u66f8\u3044\u305f\u8981\u7d20\u306e\u4e2d\u3067\u3001Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306e ng-content \u306e select \u3067\u6307\u5b9a\u3057\u305f\u7b87\u6240\u306b\u305d\u308c\u305e\u308c\u7f6e\u304d\u63db\u308f\u308a\u307e\u3059\u306d\u3002<\/p>\n<p>\u3061\u306a\u307f\u306b\u3001\u4e0a\u8a18\u306e\u4f8b\u3067\u8a00\u3046\u3068 h1 \u30bf\u30b0\u304c\u8907\u6570\u3042\u3063\u305f\u5834\u5408\u3001\u307e\u305f\u306f header \u30af\u30e9\u30b9\u304c\u8907\u6570\u3042\u3063\u305f\u5834\u5408\u3067\u3082\u3001select \u306b\u30de\u30c3\u30c1\u3059\u308b\u8981\u7d20\u5206 ng-content \u306f\u7f6e\u304d\u63db\u308f\u308a\u307e\u3059\u3002<\/p>\n<h2>ng-content \u3092\u4f7f\u3063\u305f\u4f8b \u5fdc\u7528\u7de8<\/h2>\n<p>\u4e0a\u8a18\u306e\u4f8b\u306f\u3042\u304f\u307e\u3067\u305f\u3060\u306e\u4f7f\u3044\u65b9\u306e\u4f8b\u3060\u3063\u305f\u306e\u3067\u3001\u3069\u3046\u3044\u3046\u6642\u306b\u5f79\u306b\u7acb\u3064\u304b\u3092\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3092\u4ea4\u3048\u306a\u304c\u3089\u66f8\u3044\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e00\u3064\u306e\u4f8b\u3068\u3057\u3066\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4f5c\u308b\u969b\u306b\u3001\u3042\u308b\u30dc\u30bf\u30f3\u30a4\u30d9\u30f3\u30c8\u3092\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306b EventEmitter \u3092\u4f7f\u3063\u3066\u901a\u77e5\u3057\u3001\u5b9f\u969b\u306e\u51e6\u7406\u306f\u89aa\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3084\u3089\u305b\u3066\u3044\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<p><strong>selector: \u2018foo\u2019 \u3068\u3059\u308b Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9<\/strong><\/p>\n<pre><code>\/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5074\n&lt;div&gt;\n  &lt;button (click)=&quot;clickHandler()&quot;&gt;&lt;\/button&gt;\n&lt;\/div&gt;\n\n\/\/ \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\n@Output()\nonClicked = new EventEmitter();\n\nclickHandler() {\n    onClicked.emit();\n}<\/code><\/pre>\n<p><strong>\u5916\u90e8\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067 foo \u3092\u547c\u3073\u51fa\u3057 onClicked \u306b\u5bfe\u3057\u3066\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u3092\u4ed5\u639b\u3051\u3066\u3044\u308b<\/strong><\/p>\n<pre><code>\/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5074\n&lt;foo (onClicked)=&quot;clickHandler()&quot; &gt;&lt;\/foo&gt;\n\n\/\/ \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\nclickHandler() {\n    \/\/ \u5b9f\u969b\u306e\u51e6\u7406\n}<\/code><\/pre>\n<p>Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\u306e clickHandler \u3067\u3001\u306a\u306b\u304b\u7279\u5225\u306a\u3053\u3068\u3092\u3057\u3066\u3044\u308b\u306e\u306a\u3089\u5225\u3067\u3059\u304c\u3001\u305f\u3060 emit \u3057\u3066\u3044\u308b\u3060\u3051\u306a\u3089\u3070\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u305f\u307b\u3046\u304c\u3001Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u30ed\u30b8\u30c3\u30af\u3092\u6c17\u306b\u305b\u305a\u306b\u305f\u3060\u306e View \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3068\u3057\u3066\u306e\u5f79\u5272\u306b\u5c02\u5ff5\u3067\u304d\u308b\u306e\u3067\u898b\u901a\u3057\u304c\u826f\u3044\u3067\u3059\u3002<\/p>\n<p><strong>selector: \u2018foo\u2019 \u3068\u3059\u308b Foo \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5b9a\u7fa9<\/strong><\/p>\n<pre><code>\/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5074\n&lt;div&gt;\n  &lt;ng-content select=&quot;button&quot;&gt;&lt;\/ng-content&gt;\n&lt;\/div&gt;\n\n\/\/ \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\n\u51e6\u7406\u304c\u306a\u304f\u306a\u308b\uff01\uff01<\/code><\/pre>\n<p><strong>\u5916\u90e8\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067 foo \u3092\u547c\u3073\u51fa\u3057 click \u30cf\u30f3\u30c9\u30e9\u3092\u8a2d\u5b9a\u3057\u3066\u3044\u308b button \u30bf\u30b0\u3092\u8981\u7d20\u3068\u3057\u3066\u6ce8\u5165<\/strong><\/p>\n<pre><code>\/\/ \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5074\n&lt;foo&gt;\n    &lt;button (click)=&quot;clickHandler()&quot;&gt;&lt;\/button&gt;\n&lt;\/foo&gt;\n\n\/\/ \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5074\nclickHandler() {\n    \/\/ \u5b9f\u969b\u306e\u51e6\u7406\n}<\/code><\/pre>\n<p>\u4e0a\u8a18\u306f\u4e00\u4f8b\u306b\u904e\u304e\u307e\u305b\u3093\u304c\u3001\u540c\u3058\u3088\u3046\u306a\u72b6\u6cc1\u306f\u7d50\u69cb\u3042\u308b\u6c17\u304c\u3057\u307e\u3059\u3002<br \/>\n\u3053\u308c\u4f7f\u3063\u305f\u307b\u3046\u304c\u30b3\u30fc\u30c9\u304c\u30ad\u30ec\u30a4\u306b\u306a\u308a\u305d\u3046\u3068\u3044\u3046\u306e\u304c\u3082\u3057\u3042\u308c\u3070\u8a66\u3057\u3066\u307f\u308b\u3068\u826f\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<h1>\u307e\u3068\u3081<\/h1>\n<p>\u4eca\u56de\u306f <code>ng-content<\/code> \u306b\u95a2\u3057\u3066\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u524d\u56de\u306e\u8a18\u4e8b\u3067 <code>ngTemplateOutlet<\/code> \u306b\u3082\u5c11\u3057\u89e6\u308c\u307e\u3057\u305f\u304c\u3001\u3042\u308b\u7279\u5b9a\u306e\u8981\u7d20\u3092\u7f6e\u304d\u63db\u3048\u308b\u3068\u3044\u3046\u5834\u5408\u306b\u3082\u8907\u6570\u306e\u3084\u308a\u65b9\u304c\u3042\u308a\u307e\u3059\u306d\u3002\uff08\u3082\u3061\u308d\u3093\u305d\u308c\u305e\u308c\u3067\u9069\u5207\u306a\u4f7f\u3044\u6240\u306f\u7570\u306a\u308a\u307e\u3059\u304c\uff09<\/p>\n<p>\u5410\u304d\u51fa\u3057\u305f\u3044\u30cd\u30bf\u304c\u4e00\u65e6\u5c3d\u304d\u3066\u3057\u307e\u3063\u305f\u306e\u3067\u3001\u306a\u306b\u304b\u601d\u3044\u3064\u3044\u305f\u3089\u307e\u305f\u30a2\u30c3\u30d7\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u7686\u3055\u3093\u3054\u304d\u3052\u3093\u3088\u3046\u3002<\/p>\n<h1>\u95a2\u9023\u8a18\u4e8b<\/h1>\n<p><a href=\"https:\/\/weseek.co.jp\/tech\/227\/\">Angular Tips \u305d\u306e1<\/a><\/p>\n<p><a href=\"https:\/\/weseek.co.jp\/tech\/245\/\">Angular Tips 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