{"id":24,"date":"2022-02-07T21:54:19","date_gmt":"2022-02-07T12:54:19","guid":{"rendered":"https:\/\/engineering.webstudio168.jp\/?p=24"},"modified":"2022-03-18T10:19:17","modified_gmt":"2022-03-18T01:19:17","slug":"react-native%e3%81%aereturn%e3%81%abmap%e3%81%a7%e5%8f%96%e5%be%97%e3%81%97%e3%81%9f%e5%a4%89%e6%95%b0%e3%82%92%e5%85%a5%e3%82%8c%e3%81%a6%e3%82%82%e5%87%ba%e5%8a%9b%e3%81%95%e3%82%8c%e3%81%9a","status":"publish","type":"post","link":"https:\/\/engineering.webstudio168.jp\/blog\/react-native%e3%81%aereturn%e3%81%abmap%e3%81%a7%e5%8f%96%e5%be%97%e3%81%97%e3%81%9f%e5%a4%89%e6%95%b0%e3%82%92%e5%85%a5%e3%82%8c%e3%81%a6%e3%82%82%e5%87%ba%e5%8a%9b%e3%81%95%e3%82%8c%e3%81%9a\/","title":{"rendered":"React Native\u306ereturn\u306bmap\u3067\u53d6\u5f97\u3057\u305f\u5909\u6570\u3092\u5165\u308c\u3066\u3082\u51fa\u529b\u3055\u308c\u305a\u30cf\u30de\u308b"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_89 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/engineering.webstudio168.jp\/blog\/react-native%e3%81%aereturn%e3%81%abmap%e3%81%a7%e5%8f%96%e5%be%97%e3%81%97%e3%81%9f%e5%a4%89%e6%95%b0%e3%82%92%e5%85%a5%e3%82%8c%e3%81%a6%e3%82%82%e5%87%ba%e5%8a%9b%e3%81%95%e3%82%8c%e3%81%9a\/#%E3%81%BE%E3%81%A8%E3%82%81\" >\u307e\u3068\u3081<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">React Native\u3067&lt;View&gt;\u3092\u51fa\u529b\u3059\u308b\u306b\u306freturn\u3067\u5b9f\u88c5\u3057\u307e\u3059\u304c\u3001\u305d\u306ereturn\u306e\u4e2d\u306b\u5909\u6570\u3092\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u306d\u3002\u305f\u3068\u3048\u3070<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-ts\" data-lang=\"TypeScript\"><code>export default function App() {\n\u30fb\n\u30fb\n\u30fb\n  return (\n    &lt;View style={styles.container}&gt;\n      {SomethingItems}\n    &lt;\/View&gt;\n  );\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3066\u3001\u5225\u9014\u5ba3\u8a00\u3057\u305f\u5909\u6570SomethingItems\u3092\u547c\u3073\u51fa\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u65e5\u3053\u306e\u5f62\u614b\u3067map\u95a2\u6570\u3092\u5229\u7528\u3057\u3066\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u305f\u5909\u6570\u3092\u51fa\u529b\u3057\u3088\u3046\u3068\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u5168\u304f\u753b\u9762\u306b\u51fa\u3066\u3053\u306a\u3044\u30fb\u30fb\u30fb<br>\u306a\u3093\u3084\u304b\u3093\u3084\u3084\u3063\u3066\u305f\u3076\u30931\u6642\u9593\u306f\u30cf\u30de\u3063\u3066\u305f\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3093\u306a\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u305f\u304b\u3068\u3044\u3046\u3068\u3001\u3053\u3093\u306a\u98a8\u306b\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-ts\" data-lang=\"TypeScript\"><code>export default function App() {\n\u30fb\n\u30fb\n\u30fb\n  const SomethingItems= shops.map((shop, index) =&gt; {\n    &lt;View key={index.toString()}&gt;\n      &lt;Text&gt;{shop.name}&lt;\/Text&gt;\n    &lt;\/View&gt;\n  });\n\n  return (\n    &lt;View style={styles.container}&gt;\n      {SomethingItems}\n    &lt;\/View&gt;\n  );\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u529b\u306e\u3042\u308b\u7686\u3055\u3093\u306a\u3089\u3059\u3050\u5206\u304b\u308b\u304b\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3060\u3068\u753b\u9762\u306b\u51fa\u529b\u3055\u308c\u307e\u305b\u3093\u3002<br>Visual Studio Code\u3067\u306f\u3001\u4e0a\u8a18\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u3082\u30b7\u30f3\u30bf\u30c3\u30af\u30b9\u30a8\u30e9\u30fc\u306b\u306f\u306a\u3089\u306a\u3044\u306e\u3067\u30c9\u30cf\u30de\u308a\u3057\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u30fb\u30fb\u30fb<br>\u3069\u3053\u304c\u3044\u3051\u306a\u3044\u304b\u304a\u5206\u304b\u308a\u3067\u3057\u3087\u3046\u304b\uff1f\u3061\u306a\u307f\u306bshops\u306f\u5ba3\u8a00\u6e08\u307f\u3067\u3001\u304b\u3064{shop.name}\u3082\u9593\u9055\u3044\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b63\u89e3\u306e\u30b3\u30fc\u30c9\u306f<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-ts\" data-lang=\"TypeScript\"><code>export default function App() {\n\u30fb\n\u30fb\n\u30fb\n  const SomethingItems= shops.map((shop, index) =&gt; (\n    &lt;View key={index.toString()}&gt;\n      &lt;Text&gt;{shop.name}&lt;\/Text&gt;\n    &lt;\/View&gt;\n  ));\n\n  return (\n    &lt;View style={styles.container}&gt;\n      {SomethingItems}\n    &lt;\/View&gt;\n  );\n}<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u3046\u4e8c\u5ea6\u3068\u30df\u30b9\u308b\u3053\u3068\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u3002\u3053\u3093\u306a\u3053\u3068\u30671\u6642\u9593\u304b\u304b\u3063\u305f\u3068\u306f\u30fb\u30fb\u30fb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ff5\u306e\u305f\u3081\u306b\u307e\u3060\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u65b9\u306b\u8aac\u660e\u3059\u308b\u3068\u300c{}\u300d\u4e2d\u304b\u3063\u3053\u3001\u30d6\u30ec\u30fc\u30b9\u304c\u304a\u304b\u3057\u304b\u3063\u305f\u306e\u3067\u3059\u3002\u300c()\u300d\u304b\u3063\u3053\u3001\u5c0f\u304b\u3063\u3053\u3001\u30d1\u30fc\u30ec\u30f3\u3067\u66f8\u304b\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u306b\u3002map\u95a2\u6570\u306e\u4f7f\u3044\u65b9\u304c\u30d0\u30b0\u3063\u3066\uff08\u81ea\u5206\u304c\uff09\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-ts\" data-lang=\"TypeScript\"><code>const SomethingItems= shops.map((shop, index) =&gt; ( \/\/ \u2190\u300c{\u300d\u3067\u306f\u306a\u304f\u300c{\u300d\u3060\u3088\n  )); \/\/ \u2190 \u300c}\u300d\u3058\u3083\u306a\u304f\u3066\u300c)\u300d\u3067\u3059<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7686\u3055\u3093\u3082\u30ab\u30c3\u30b3\u306e\u4f7f\u3044\u65b9\u306b\u306f\u3054\u6ce8\u610f\u3092\u30fb\u30fb\u30fb<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">React Native\u306e\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\u306e\u66f8\u304d\u65b9\u306f\u3001<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-ts\" data-file=\"sample\" data-lang=\"TypeScript\"><code>anything.map((shop, index) =&gt; ()); \/\/ \u2190 \u300c{}\u300d\u3067\u306f\u306a\u304f\u300c()\u300d\u306b\u6ce8\u610f\uff01<\/code><\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3067\u3059\u3002\u300c{}\u300d\u3068\u3046\u3063\u304b\u308a\u66f8\u3044\u3066\u3044\u306a\u3044\u304b\u6ce8\u610f\u3057\u3066\u898b\u76f4\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>React Native\u3067&lt;View&gt;\u3092\u51fa\u529b\u3059\u308b\u306b\u306freturn\u3067\u5b9f\u88c5\u3057\u307e\u3059\u304c\u3001\u305d\u306ereturn\u306e\u4e2d\u306b\u5909\u6570\u3092\u4f7f\u3046\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u306d\u3002\u305f\u3068\u3048\u3070 \u306e\u3088\u3046\u306b\u8a18\u8ff0\u3057\u3066\u3001\u5225\u9014\u5ba3\u8a00\u3057\u305f\u5909\u6570SomethingItems\u3092\u547c\u3073 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":296,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[4,7],"class_list":["post-24","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-react-native","tag-react-native","tag-typescript"],"_links":{"self":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/comments?post=24"}],"version-history":[{"count":7,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/24\/revisions"}],"predecessor-version":[{"id":1500,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/posts\/24\/revisions\/1500"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media\/296"}],"wp:attachment":[{"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/media?parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/categories?post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/engineering.webstudio168.jp\/blog\/wp-json\/wp\/v2\/tags?post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}