{"id":4409,"date":"2025-12-08T18:16:27","date_gmt":"2025-12-08T09:16:27","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=4409"},"modified":"2025-12-20T11:21:00","modified_gmt":"2025-12-20T02:21:00","slug":"%e3%80%90webpack%e3%80%91%e8%a8%ad%e5%ae%9a%e3%81%ae%e5%9f%ba%e6%9c%ac","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=4409","title":{"rendered":"\u3010webpack\u3011\u8a2d\u5b9a\u306e\u57fa\u672c"},"content":{"rendered":"\n

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\u524d\u56de<\/span>\n

\u3010webpack\u3011\u89e6\u3063\u3066\u307f\u3088\u3046 webpack<\/a><\/p>\n<\/div>\n\n\n\n

webpack\u306f\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb(webpack.config.js)\u3092\u4f7f\u7528\u3059\u308b\u4e8b\u3067\u69d8\u3005\u306a\u8a2d\u5b9a\u304c\u884c\u3048\u307e\u3059\u3002\u4eca\u56de\u306fwebpack\u306e\u8a2d\u5b9a\u3092\u884c\u3044webpack\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002\u306a\u304a\u3001\u4eca\u56de\u306f\u524d\u56de\u306e\u7d9a\u304d\u3068\u3057\u3066\u8aac\u660e\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3002<\/p>\n\n\n\n

\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306e\u7f6e\u304d\u5834\u6240<\/h1>\n\n\n\n

\u57fa\u672c\u7684\u306b\u306fwebpack\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u884c\u3063\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b webpack.config.js(webpack\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb) \u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

\u4eca\u56de\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210\u3068\u306a\u308a\u307e\u3059\u3002js\u30d5\u30a1\u30a4\u30eb\u306e\u4f4d\u7f6e\u304c\u524d\u56de\u3068\u7570\u306a\u308a\u307e\u3059\u306e\u3067\u6c17\u3092\u3064\u3051\u3066\u4e0b\u3055\u3044\u3002\u306a\u304a\u3001js\u306e\u5185\u5bb9\u306f\u524d\u56de\u3068\u540c\u3058\u306a\u306e\u3067\u8aac\u660e\u306f\u5272\u611b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n

.\n\u251c\u2500\u2500 node_modules\n\u251c\u2500\u2500 package-lock.json\n\u251c\u2500\u2500 package.json\n\u251c\u2500\u2500 src\n\u2502   \u2514\u2500\u2500 js\n\u2502       \u251c\u2500\u2500 index.js\n\u2502       \u2514\u2500\u2500 test.mjs\n\u2514\u2500\u2500 webpack.config.js<\/strong><\/code><\/pre>\n\n\n\n
\u8a2d\u5b9a\u306e\u57fa\u672c<\/h1>\n\n\n\n
webpack.config.js \u306f javascript(common.js)\u5f62\u5f0f\u3067\u8a18\u8f09\u3059\u308b\u4e8b\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305a\u306f\u57fa\u672c\u306e\u8a2d\u5b9a\u3067\u3042\u308b “entry”\u3001”output” \u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u306a\u304a\u3001\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8f09\u3059\u308b\u9806\u756a\u306b\u6c7a\u307e\u308a\u306f\u306a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n
'use strict'\n\nconst path = require('path')\n\nmodule.exports = {\n  entry: '.\/src\/js\/index.js',\n  output: {\n    filename: 'main.js',\n    path: path.resolve(__dirname, 'dist')\n  }\n}<\/code><\/pre><\/div>\n\n\n\n
entry<\/h2>\n\n\n\n
webpack\u5b9f\u884c\u6642\u3001webpack\u304c\u306f\u3058\u3081\u306b\u8aad\u307f\u8fbc\u3080js\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002webpack\u306f\u3053\u306e\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8(\u306f\u3058\u3081\u306b\u8aad\u307f\u8fbc\u3080js\u30d5\u30a1\u30a4\u30eb)\u304b\u3089\u3001\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8\u306b\u8a18\u8f09\u3055\u308c\u305f import \u3092\u8fbf\u3063\u3066\u30d0\u30f3\u30c9\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4eca\u56de\u306e\u4f8b\u306e\u5834\u5408\u3001”.\/src\/js\/index.js” \u304cwebpack\u304b\u3089\u306f\u3058\u3081\u306b\u8aad\u307f\u8fbc\u307e\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u306b\u306a\u308a\u307e\u3059\u3002index.js \u306f test.mjs \u3092import \u3057\u3066\u3044\u308b\u306e\u3067 webpack\u3092\u5b9f\u884c\u3059\u308b\u3068 test.mjs \u304c\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306bwebpack\u306f import \u3092\u8fbf\u3063\u30661\u3064\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210(\u30d0\u30f3\u30c9\u30eb)\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
output<\/h2>\n\n\n\n
webpack\u304c\u30d0\u30f3\u30c9\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u51fa\u529b\u3059\u308b\u5148\u306e\u30d1\u30b9\u3092 “path” \u3067\u6307\u5b9a\u3057\u307e\u3059\u3002\u307e\u305f\u3001”filename” \u306b\u306f\u51fa\u529b\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u4eca\u56de\u306e\u4f8b\u306e\u5834\u5408\u3001dist\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3078main.js\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
  output: {\n    filename: 'main.js',\n    path: path.resolve(__dirname, 'dist')\n  }<\/code><\/pre><\/div>\n\n\n\n
webpack\u306e\u5b9f\u884c<\/h1>\n\n\n\n
webpack\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
npx webpack\nasset main.js 47 bytes [compared for emit] [minimized] (name: main)\norphan modules 59 bytes [orphan] 1 module\n.\/src\/js\/index.js + 1 modules 116 bytes [built] [code generated]\n\nWARNING in configuration\nThe 'mode' option has not been set, webpack will fallback to 'production' for this value.\nSet 'mode' option to 'development' or 'production' to enable defaults for each environment.\nYou can also set it to 'none' to disable any default behavior. Learn more: https:\/\/webpack.js.org\/configuration\/mode\/\n\nwebpack 5.103.0 compiled with 1 warning in 257 ms<\/code><\/pre><\/div>\n\n\n\n
dist \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u4f5c\u6210\u3055\u308c\u3001\u305d\u306e\u4e0b\u306bmain.js\u304c\u751f\u6210\u3055\u308c\u307e\u3057\u305f\u3002\u8b66\u544a(WARNING)\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u304c\u3001\u30d0\u30f3\u30c9\u30eb\u30d5\u30a1\u30a4\u30eb\u306e\u751f\u6210\u306b\u306f\u6210\u529f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
.\n\u251c\u2500\u2500 dist<\/strong>\n\u2502   \u2514\u2500\u2500 main.js<\/strong>\n\u251c\u2500\u2500 node_modules\n\u251c\u2500\u2500 package-lock.json\n\u251c\u2500\u2500 package.json\n\u251c\u2500\u2500 src\n\u2502   \u2514\u2500\u2500 js\n\u2502       \u251c\u2500\u2500 index.js\n\u2502       \u2514\u2500\u2500 test.mjs\n\u2514\u2500\u2500 webpack.config.js<\/code><\/pre>\n\n\n\n
dist\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306e main.js \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
node dist\/main.js\nhello!!<\/code><\/pre><\/div>\n\n\n\n
\u6b21\u56de<\/h1>\n\n\n\n
webpack\u306e\u5b9f\u884c\u6642\u306b\u8b66\u544a\u304c\u51fa\u3066\u3044\u307e\u3057\u305f\u3002mode \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u3066\u4e0b\u3055\u3044\u3068\u306e\u3053\u3068\u306a\u306e\u3067\u3001mode\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u8a2d\u5b9a\u3057\u8b66\u544a\u3092\u89e3\u6d88\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u6b21\u56de<\/span>\n
\u3010webpack\u3011mode\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u8a2d\u5b9a<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u524d\u56de\u306fwebpack\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u8a2d\u5b9a\u3067\u52d5\u4f5c\u3055\u305b\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"author":1,"featured_media":4329,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[],"class_list":["post-4409","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-webpack"],"_links":{"self":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4409"}],"version-history":[{"count":29,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4409\/revisions"}],"predecessor-version":[{"id":4573,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4409\/revisions\/4573"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/media\/4329"}],"wp:attachment":[{"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}