{"id":4463,"date":"2025-12-11T22:27:57","date_gmt":"2025-12-11T13:27:57","guid":{"rendered":"https:\/\/dennie.tokyo\/it\/?p=4463"},"modified":"2025-12-21T17:48:37","modified_gmt":"2025-12-21T08:48:37","slug":"%e3%80%90webpack%e3%80%91%e3%83%91%e3%83%83%e3%82%b1%e3%83%bc%e3%82%b8%e3%81%ae%e5%88%a9%e7%94%a8","status":"publish","type":"post","link":"https:\/\/dennie.tokyo\/it\/?p=4463","title":{"rendered":"\u3010webpack\u3011\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u5229\u7528"},"content":{"rendered":"\n

npm\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3082webpack\u3067\u4f7f\u7528\u3059\u308b\u4e8b\u304c\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n

web\u30da\u30fc\u30b8\u5236\u4f5c\u3067\u306fcss\u3082\u4f7f\u7528\u3059\u308b\u6a5f\u4f1a\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002
\u4eca\u56de\u306fwebpack\u306e\u5b9f\u884c\u6642\u306bcss\u30d5\u30a1\u30a4\u30eb\u3082\u30d0\u30f3\u30c9\u30eb\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002
\u306a\u304a\u3001\u524d\u56de\u307e\u3067\u306e\u5185\u5bb9\u306e\u7d9a\u304d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

\u524d\u56de<\/span>\n

\u3010webpack\u3011\u30d7\u30e9\u30b0\u30a4\u30f3\n<\/a><\/p>\n<\/div>\n\n\n\n

\u5bfe\u8c61\u30d5\u30a1\u30a4\u30eb<\/h1>\n\n\n\n

\u4ee5\u4e0b\u306e\u3088\u3046\u306bcss\u30d5\u30a1\u30a4\u30eb\u3092\u8ffd\u52a0\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   \u251c\u2500\u2500 js\n\u2502   \u2502   \u251c\u2500\u2500 index.js\n\u2502   \u2502   \u2514\u2500\u2500 test.mjs\n\u2502   \u251c\u2500\u2500 css<\/strong>\n\u2502   \u2502   \u2514\u2500\u2500 style.css<\/strong>\n\u2502   \u2514\u2500\u2500 index.html\n\u2514\u2500\u2500 webpack.config.js<\/code><\/pre>\n\n\n\n
\u30d5\u30a1\u30a4\u30eb\u306e\u5185\u5bb9<\/h2>\n\n\n\n
style.css\u3001index.js\u4ee5\u5916\u306f\u524d\u56de\u3068\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
style.css<\/h3>\n\n\n\n
\u4eca\u56de\u306f h1 \u30bf\u30b0\u306e\u6587\u5b57\u306e\u8272\u3092\u8d64\u8272\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
h1 {\n  color: red;\n}<\/code><\/pre><\/div>\n\n\n\n
index.js<\/h3>\n\n\n\n
webpack\u306fimport\u3092\u8fbf\u3063\u3066\u30d0\u30f3\u30c9\u30eb\u30d5\u30a1\u30a4\u30eb\u3092\u4f5c\u6210\u3059\u308b\u306e\u3067\u3001index.js\u5185\u3067css\u30d5\u30a1\u30a4\u30eb\u3092import\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
import {sample} from '.\/test.mjs'\nimport '..\/css\/style.css'\n\nconsole.info(sample());<\/code><\/pre><\/div>\n\n\n\n
css\u3092\u8aad\u307f\u8fbc\u3080\u70ba\u306e\u30d1\u30c3\u30b1\u30fc\u30b8<\/h1>\n\n\n\n
webpack\u3067css\u3092\u8aad\u307f\u8fbc\u3080\u306b\u306f\u4ee5\u4e0b\u306e2\u3064\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    \n
  • css-loader<\/li>\n\n\n\n
  • style-loader<\/li>\n<\/ul>\n\n\n\n
    \u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h1>\n\n\n\n
    \u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    npm i --save-dev css-loader style-loader<\/code><\/pre><\/div>\n\n\n\n
    webpack\u306e\u8a2d\u5b9a<\/h1>\n\n\n\n
    webpack.config.js \u3092\u4fee\u6b63\u3057\u307e\u3059\u3002\u4eca\u56de\u306f module: \u306e\u90e8\u5206\u304c\u8ffd\u8a18\u7b87\u6240\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
    'use strict'\n\nconst path = require('path')\nconst HtmlWebpackPlugin = require('html-webpack-plugin')\n\nmodule.exports = {\n  mode: 'development',\n  entry: '.\/src\/js\/index.js',\n  output: {\n    filename: 'main.js',\n    path: path.resolve(__dirname, 'dist')\n  },\n  plugins: [\n    new HtmlWebpackPlugin({ template: '.\/src\/index.html' })\n  ],\n  module: {\n    rules: [\n      {\n        test: \/\\.(css)$\/,\n        use: [\n          {\n            \/\/ Adds CSS to the DOM by injecting a `<style>` tag\n            loader: 'style-loader'\n          },\n          {\n            \/\/ Interprets `@import` and `url()` like `import\/require()` and will resolve them\n            loader: 'css-loader'\n          }\n        ]\n      }\n    ]\n  }\n}<\/code><\/pre><\/div>\n\n\n\n
    \u8aac\u660e<\/h2>\n\n\n\n
    rules<\/h3>\n\n\n\n
    rules \u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u30eb\u30fc\u30eb\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    test<\/h3>\n\n\n\n
    test \u306b\u306f\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5bfe\u8c61\u3068\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u5f62\u5f0f\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u6b63\u898f\u8868\u73fe\u3067\u6307\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
    use<\/h3>\n\n\n\n
    use \u306bwebpack\u3067\u4f7f\u7528\u3059\u308b\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u8a18\u8f09\u3057\u307e\u3059\u3002<\/p>\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<\/code><\/pre><\/div>\n\n\n\n
    \u524d\u56de\u3068\u540c\u69d8\u3067\u3059\u304c\u3001dist\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306bmain.js\u3068index.html\u304c\u51fa\u529b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n
    \u30d6\u30e9\u30a6\u30b6\u304b\u3089dist\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4ee5\u4e0b\u306b\u3042\u308bindex.html\u3092\u958b\u304d\u307e\u3059\u3002
    h1\u30bf\u30b0\u306e\u6587\u5b57\u304c\u8d64\u6587\u5b57\u306b\u306a\u3063\u3066\u3044\u308b\u4e8b\u304c\u78ba\u8a8d\u51fa\u6765\u307e\u3059\u3002<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    \u6b21\u56de<\/h1>\n\n\n\n
    \u4eca\u56de\u306fcss\u3092\u30d0\u30f3\u30c9\u30eb\u3055\u305b\u307e\u3057\u305f\u3002\u3053\u306e\u5834\u5408\u3001\u53b3\u683c\u306aContent Security Policy\u306b\u9069\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u6b21\u56de\u306fwebpack\u5b9f\u884c\u6642\u306bcss\u3092css\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u3066\u51fa\u529b\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    npm\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u30d1\u30c3\u30b1\u30fc\u30b8\u3082webpack\u3067\u4f7f\u7528\u3059\u308b\u4e8b\u304c\u51fa\u6765\u307e\u3059\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-4463","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\/4463","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=4463"}],"version-history":[{"count":9,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4463\/revisions"}],"predecessor-version":[{"id":4594,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=\/wp\/v2\/posts\/4463\/revisions\/4594"}],"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=4463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dennie.tokyo\/it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}