{"id":2992,"date":"2023-01-09T11:58:13","date_gmt":"2023-01-09T02:58:13","guid":{"rendered":"https:\/\/blog.azarashi-server.com\/?p=2992"},"modified":"2023-01-09T11:58:48","modified_gmt":"2023-01-09T02:58:48","slug":"post-2992","status":"publish","type":"post","link":"https:\/\/blog.azarashi-server.com\/?p=2992","title":{"rendered":"\u3010web\u3011Lit \u4f7f\u3063\u3066\u307f\u3088\u3046\u3088\u3010webComponents\u3011"},"content":{"rendered":"\n

\u30a2\u30b6\u30e9\u30b7\u3067\u3059\u3002
\u6700\u8fd1web\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u5c11\u3057\u8abf\u3079\u308b\u6a5f\u4f1a\u304c\u3042\u3063\u305f\u306e\u3067\u3001\u8272\u3005\u6f01\u3063\u3066\u3044\u305f\u6240
Lit \u3068\u3044\u3046\u3061\u3087\u3063\u3068\u9762\u767d\u305d\u3046\u306a\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306b\u51fa\u4f1a\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n

\u6210\u308a\u7acb\u3061\u3084\u6a5f\u80fd\u306a\u3069\u306f\u4ed6\u306e\u30b5\u30a4\u30c8\u306a\u3069\u3067\u66f8\u3044\u3066\u304f\u308c\u3066\u3044\u308b\u4e8b\u304c\u591a\u3044\u306e\u3067
\u5b9f\u969b\u306b\u4f7f\u3063\u3066\u307f\u305f\u308a\u3001\u3053\u3046\u3044\u3046\u5834\u9762\u3067\u306f\u304b\u306a\u308a\u826f\u3044\u304b\u3082\u3068\u3044\u3046\u3053\u3068\u3092
\u8a18\u4e8b\u306b\u306a\u308a\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u305d\u3093\u306a\u306bSPA\u3068\u304b\u3082\u8a73\u3057\u304f\u7121\u3044\u306e\u3067\u3001\u521d\u5fc3\u8005\u76ee\u7dda\u3067\u306e\u8a18\u4e8b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n

0.Lit\u3063\u3066\u306a\u306b\u3088<\/h2>\n\n\n\n

\u516c\u5f0f\u30b5\u30a4\u30c8 : https:\/\/lit.dev\/<\/a>
\u308f\u304b\u308a\u3084\u3059\u304f\u307e\u3068\u3081\u3066\u304f\u308c\u3066\u308b\u6240 : https:\/\/blog1.mammb.com\/entry\/2022\/09\/13\/220500<\/a><\/p>\n\n\n\n

WebComponents\u3092\u5229\u7528\u3059\u308b\u70ba\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3001\u4ed6\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3088\u308a\u3082\u8efd\u91cf\u3067\u3042\u308b\u4e8b\u3084
\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u5229\u7528\u3059\u308b\u969b\u306f\u72ec\u81ea\u306e\u30bf\u30b0\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u305f\u308a\u3001
\u6a5f\u80fd\u304c\u72ec\u7acb\u3057\u3066\u3044\u308b\u306e\u3067\u4ed6\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n

1.\u307e\u305a\u306f\u4f7f\u3063\u3066\u307f\u3088\u3046\u3088<\/h2>\n\n\n\n

\u306a\u306b\u306f\u3068\u3082\u3042\u308c\u4f7f\u3063\u3066\u307f\u308b\u306e\u304c\u4e00\u756a\u624b\u3063\u53d6\u308a\u65e9\u3044\u306e\u3067\u3001
\u4f7f\u3063\u3066\u307f\u308b\u4e8b\u306b\u3057\u307e\u3059\u3002\u3061\u306a\u307f\u306b\u81ea\u8eab\u306e node \u306e\u74b0\u5883\u306f v16.18.0 \u3067\u3059\u3002<\/p>\n\n\n\n

1.1 \u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u4f5c\u6210<\/h3>\n\n\n\n

\u4eca\u56de\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u5f15\u3063\u5f35\u308b\u306b\u3042\u305f\u3063\u3066\u3001vite\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002
vite\u3063\u3066\u306a\u306b\uff1f\u3068\u3044\u3046\u4eba\u3082\u3044\u308b\u3068\u601d\u3046\u306e\u3067\u30ea\u30f3\u30af\u3092\u5f35\u3063\u3066\u304a\u304d\u307e\u3059\u3002
vite : https:\/\/ja.vitejs.dev\/<\/a><\/p>\n\n\n

\n
\"\"<\/figure>\n<\/div>\n\n\n

vite\u3092\u4f7f\u3063\u3066lit\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f<\/p>\n\n\n\n

npm create vite@latest<\/code><\/pre>\n\n\n\n
\u3092\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u6253\u3061\u307e\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u554f\u984c\u7121\u304f\u52d5\u3051\u3070\u3001 Project name \u306f\u306a\u306b\uff1f\u3068\u805e\u304b\u308c\u308b\u306e\u3067\u3001
\u4eca\u56de\u4f5c\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u540d\u524d\u3092\u5165\u308c\u307e\u3059\u3002\u3068\u308a\u3042\u3048\u305a litTest \u3068\u5165\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
Package name \u3092\u805e\u304b\u308c\u307e\u3059\u3002\u7279\u306b\u554f\u984c\u7121\u3051\u308c\u3070\u540c\u3058\u3067\u826f\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u5229\u7528\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u805e\u304b\u308c\u307e\u3059\u3002\u4eca\u56de\u5229\u7528\u3059\u308b\u306e\u306f Lit \u306a\u306e\u3067
Lit \u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/p>\n\n\n
\n
\"\"<\/figure>\n<\/div>\n\n\n
\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u4f55\u3067\u66f8\u304f\u304b\u3092\u805e\u304b\u308c\u307e\u3059\u3002TypeScript\u3092\u5229\u7528\u3059\u308b\u306e\u3067\u305d\u3061\u3089\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u4f5c\u6210\u304c\u5b8c\u4e86\u3059\u308b\u3068\u3001\u4f5c\u6210\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u3066\u3001 
npm install \u3057\u3066 npm run dev \u3057\u3066\u306d\u3002\u3068\u66f8\u304b\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u306e\u901a\u308a\u306b\u3057\u307e\u3059\u3002
\u81ea\u5206\u306fVSCode\u3067\u4f5c\u6210\u3057\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u958b\u3044\u3066\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3067npm install \u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u79fb\u52d5\u3057\u305f\u3089\u3001npm install \u3092\u5b9f\u884c\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u6b21\u306b\u3001npm run dev \u3092\u5b9f\u884c\u3002\u5b9f\u884c\u3059\u308b\u3068\u3001\u30ed\u30fc\u30ab\u30eb\u4e0a\u306b\u30b5\u30fc\u30d0\u30fc\u3092\u7acb\u3061\u4e0a\u3052\u3066\u304f\u308c\u308b\u306e\u3067
URL\u3092\u30d6\u30e9\u30a6\u30b6\u306b\u5165\u529b\u3059\u308b\u306a\u308a\u3001\u30af\u30ea\u30c3\u30af\u3057\u3066\u958b\u304d\u307e\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u7121\u4e8b\u306b\u52d5\u304f\u3068\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30c8\u304c\u958b\u304d\u307e\u3059\u3002\u3084\u3063\u305f\u306d\uff01
\u6b21\u306f\u3053\u308c\u304c\u3069\u3046\u3084\u3063\u3066\u52d5\u3044\u3066\u3044\u308b\u306e\u304b\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
1.2 \u3069\u3046\u3084\u3063\u3066\u52d5\u3044\u3066\u3093\u306e\u3088<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n
index.html \u306e\u4e2d\u8eab\u3092\u898b\u3066\u307f\u308b\u3068\u3053\u3093\u306a\u611f\u3058\u3002\u57fa\u672c\u7684\u306b\u306f\u751f\u306ehtml\u3067\u3059\u304c\u3001
body \u306e\u4e2d\u306b my-element \u3068\u3044\u3046\u898b\u6163\u308c\u306a\u3044\u30bf\u30b0\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u308c\u304cLit\u3067\u5229\u7528\u3067\u304d\u308b\u30ab\u30b9\u30bf\u30e0\u30bf\u30b0\u3067\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u5148\u307b\u3069\u306e\u30ab\u30b9\u30bf\u30e0\u30bf\u30b0\u306f\u3001\/src\/my-element.ts \u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u306e\u4e2d\u8eab\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002
\u3053\u306e\u4e2d\u306e25\u884c\u76ee\u306brender \u3068\u3044\u3046\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u4e2d\u306b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u5316\u3057\u305f\u3044
html\u3092\u8a18\u5165\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002\u66f8\u304d\u65b9\u7684\u306b\u306freact\u306b\u8fd1\u3044\uff1f<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
render \u306e\u90e8\u5206\u3060\u3051\u7740\u76ee\u3002\u5909\u6570\u306a\u3069\u3092\u5229\u7528\u3059\u308b\u969b\u306f ${} \u3067\u56f2\u3080\u4e8b\u3067\u5229\u7528\u51fa\u6765\u308b\u69d8\u3067\u3059\u306d\u3002
32\u884c\u76ee litLogo \u306f3\u884c\u76ee\u3067import\u3057\u305fsvg\u3092\u5165\u308c\u8fbc\u3093\u3067\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
35\u884c\u76ee\u306eslot \u30bf\u30b0\u306f\u3001html\u5074\u3067\u8a18\u8f09\u8a18\u5165\u3057\u305f\u7269\u304c\u3053\u3053\u306b\u5165\u308c\u8fbc\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u3053\u3093\u306a\u611f\u3058\u3067\u5165\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
37\u884c\u76ee @click \u306fvue\u7b49\u306eSPA\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u66f8\u304d\u65b9\u3067\u3001click\u3057\u305f\u3068\u304d\u306e\u6319\u52d5\u306a\u3069\u3092\u4e2d\u306b\u66f8\u304d\u307e\u3059\u3002
\u4eca\u56de\u306f\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306e\u6319\u52d5\u3068\u3057\u3066\u300145\u884c\u76ee\u306e _onClick\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
38\u884c\u76ee\u3067\u306f 37\u884c\u76ee\u306e\u30dc\u30bf\u30f3\u304c\u30af\u30ea\u30c3\u30af\u3055\u308c\u305f\u6642\u306b\u5897\u3048\u308b this.count \u3092\u5165\u308c\u3066\u3044\u307e\u3059\u3002
SPA\u3068\u304b\u3067\u3088\u304f\u3042\u308b\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u306b\u52d5\u4f5c\u3059\u308b\u7269\u3060\u3068\u601d\u3044\u307e\u3059\u3002\uff08\u30ea\u30a2\u30af\u30c6\u30a3\u30d6 : \u5909\u6570\u3076\u3061\u8fbc\u3093\u3067\u4e2d\u8eab\u304c\u5909\u52d5\u3057\u305f\u3089
\u52dd\u624b\u306b\u898b\u305f\u76ee\u306b\u53cd\u6620\u3057\u3066\u304f\u308c\u308b\u5974\uff09<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u6b21\u306fCSS\u3067\u3059\u3002static style = css`...<\/code>`;  \u3068\u8a18\u8ff0\u3057\u3066\u3044\u308b\u90e8\u5206\u304ccss\u3067\u3059\u3002
lit \u304b\u3089import\u3057\u305fcss\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u9069\u7528\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002
SPA\u306e\u82e6\u624b\u306a\u6240\u306f\u3064\u306a\u304c\u308a\u304c\u5e0c\u8584\u306b\u898b\u3048\u308b\u90e8\u5206\u304c\u305f\u307e\u306b\u3042\u3063\u3066\u3061\u3087\u3063\u3068\u7d0d\u5f97\u51fa\u6765\u306a\u3044\u4e8b\u304c\u591a\u3044\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u4e00\u5fdc\u516c\u5f0f\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3082\u8cbc\u3063\u3066\u304a\u304d\u307e\u3059\u306d\u3002
https:\/\/lit.dev\/docs\/components\/styles\/#add-styles<\/a>
<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u4ed6\u306b\u3082\u3001\u7d99\u627f\u5143\u306e\u30b9\u30bf\u30a4\u30eb\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u69d8\u3067\u3001\u3053\u3053\u3089\u8fba\u306f\u5272\u3068\u4f7f\u3046\u4e8b\u3082\u3042\u308b\u3093\u3058\u3083\u7121\u3044\u3093\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n
1.3\u3068\u308a\u3042\u3048\u305a\u30ab\u30b9\u30bf\u30e0\u30bf\u30b0\u3092\u4f5c\u3063\u3066\u898b\u308b<\/h3>\n\n\n\n
\u5148\u307b\u3069\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u5143\u306b\u30ab\u30b9\u30bf\u30e0\u30bf\u30b0\u3092\u4f5c\u6210\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n
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\u7c21\u5358\u306b\u4f5c\u3063\u3066\u898b\u305f\u7269\u304c\u3053\u3061\u3089\u3002test-element\u3068\u3044\u3046\u5185\u5bb9\u3067\u3001render\u306e\u4e2d\u306bhtml\u306e\u8981\u7d20\u3092\u5165\u308c\u305f\u3060\u3051\u306e\u7269\u3067\u3059\u3002<\/p>\n\n\n
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\"\"<\/figure>\n<\/div>\n\n\n
\u5148\u307b\u3069\u4f5c\u6210\u3057\u305ftest-element.ts\u3092html\u5074\u3067\u8aad\u307f\u8fbc\u307f\u307e\u3059\u3002<\/p>\n\n\n
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body\u76f4\u4e0b\u306b test-element \u3068\u3044\u3046\u30bf\u30b0\u3092\u5165\u308c\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n\n\n\n
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2.\u611f\u3058\u305f\u30e1\u30ea\u30c3\u30c8\u30c7\u30e1\u30ea\u30c3\u30c8<\/h2>\n\n\n\n
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