{"id":45020,"date":"2023-05-02T23:41:20","date_gmt":"2023-05-02T14:41:20","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=45020&preview=true&preview_id=45020"},"modified":"2023-08-25T22:56:09","modified_gmt":"2023-08-25T13:56:09","slug":"node-js-20","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/node-js-20\/","title":{"rendered":"Node.js v20\u306e\u65b0\u6a5f\u80fd\uff08\u30c6\u30b9\u30c8\u30e9\u30f3\u30ca\u30fc\u3001Permission Model\u3001SEA\u3001V8 JS Engine 11.3\uff09"},"content":{"rendered":"

Node.js v20\u304c\u30ea\u30ea\u30fc\u30b9\u3092\u8fce\u3048\u307e\u3057\u305f\u30022023\u5e744\u670818\u65e5\u306e\u516c\u958b\u3067\u3059\u3002\u3053\u306e\u30ea\u30ea\u30fc\u30b9\u306b\u3088\u308a\u3001Node.js\u306f\u3088\u308a\u5b89\u5168\u306b\u306a\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3082\u3055\u3089\u306a\u308b\u9032\u5316\u3092\u9042\u3052\u307e\u3057\u305f\u3002<\/p>\n

\u4eca\u56de\u306f\u5076\u6570\u756a\u76ee\u306e\u30ea\u30ea\u30fc\u30b9\u3068\u306a\u308a\u307e\u3059\u30022023\u5e7410\u6708\u306b\u9577\u671f\u30b5\u30dd\u30fc\u30c8\uff08LTS\uff09\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u306a\u308a\u30012026\u5e744\u6708\u307e\u3067\u30b5\u30dd\u30fc\u30c8\u304c\u7d99\u7d9a\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002Node.js\u904b\u55b6\u30c1\u30fc\u30e0\u306f\u3001LTS\u3078\u306e\u6607\u683c\u524d\u306b\u554f\u984c\u3092\u7279\u5b9a\u3001\u4fee\u6b63\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u304b\u3089\u306e\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u7a4d\u6975\u7684\u306b\u53d7\u3051\u4ed8\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u6700\u65b0\u30ea\u30ea\u30fc\u30b9\u306b\u306f\u3001\u5b9f\u9a13\u7684\u306aPermission Model\u3001\u540c\u671f\u7684\u306aimport.meta.resolve<\/code>\u3001\u5b89\u5b9a\u7248\u30c6\u30b9\u30c8\u30e9\u30f3\u30ca\u30fc\u3001V8 JavaScript\u30a8\u30f3\u30b8\u30f3\u306e\u30d0\u30fc\u30b8\u30e7\u30f311.3\u3078\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6539\u5584\u3068\u30d0\u30b0\u4fee\u6b63\u306a\u3069\u3001\u958b\u767a\u8005<\/a>\u304c\u559c\u3076\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3084\u6a5f\u80fd\u304c\u3075\u3093\u3060\u3093\u306b\u76db\u308a\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3067\u306f\u3001Node.js v20\u3067\u5c0e\u5165\u3055\u308c\u305f\u70b9\u3092\u63a2\u308a\u3001\u305d\u306e\u65b0\u6a5f\u80fd\u3068\u6027\u80fd\u3092\u8a73\u3057\u304f\u3054\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

<\/div><\/kinsta-auto-toc>\n

Node.js v20\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/h2>\n

Node.js v20\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001\u4ed6\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306eNode.js<\/a>\u3068\u3088\u304f\u4f3c\u3066\u3044\u307e\u3059\u3002\u5fc5\u8981\u306a\u64cd\u4f5c\u306f\u3001\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n

    \n
  1. Node.js\u306e\u516c\u5f0f<\/a>\u30b5\u30a4\u30c8\u304b\u3089\u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u307e\u3059\u3002<\/li>\n
  2. \u30a4\u30f3\u30b9\u30c8\u30fc\u30e9\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u305f\u3089\u3001\u305d\u308c\u3092\u5b9f\u884c\u3057\u3001\u6307\u793a\u306b\u5f93\u3063\u3066\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u4f5c\u696d\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u975e\u5e38\u306b\u7c21\u5358\u3067\u3001\u4f7f\u7528\u8a31\u8afe\u5951\u7d04\u306b\u540c\u610f\u3057\u3066\u300c\u6b21\u3078\u300d\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3060\u3051\u3067OK\u3067\u3059\u3002<\/li>\n
  3. \u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5b8c\u4e86\u3057\u305f\u3089\u3001\u30b7\u30b9\u30c6\u30e0\/\u30de\u30b7\u30f3\u3092\u518d\u8d77\u52d5\u3057\u3066\u3001\u3059\u3079\u3066\u306e\u5909\u66f4\u304c\u53cd\u6620\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/li>\n
  4. \u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001Node.js\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n
    node -v<\/code><\/pre>\n
    \"Node.js
    Node.js v20\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb<\/figcaption><\/figure>\n
    \u30d0\u30fc\u30b8\u30e7\u30f3\u756a\u53f7\uff08v20.0.0\uff09\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308c\u3070\u3001Node.js\u304c\u6b63\u3057\u304f\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3055\u308c\u3001Node.js v20\u3067\u4f5c\u696d\u3092\u958b\u59cb\u3059\u308b\u6e96\u5099\u304c\u3067\u304d\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n\n
    Node.js v20\u306e\u65b0\u6a5f\u80fd<\/h2>\n
    \u3053\u306eNode.js\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u5c0e\u5165\u3055\u308c\u305f5\u3064\u306e\u4e3b\u8981\u306a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9806\u306b\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u305d\u306e\u6a5f\u80fd\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n
    <\/div><\/kinsta-auto-toc>\n
    \u5b9f\u9a13\u7684\u306aPermission Model<\/h3>\n
    Node.js v20\u3067\u306e\u5b9f\u9a13\u7684\u306aPermission Model\u306e\u5c0e\u5165\u306f\u3001\u958b\u767a\u8005\u306b\u3088\u308b\u5b9f\u884c\u4e2d\u306e\u7279\u5b9a\u306e\u30ea\u30bd\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u9650\u3059\u308b\u8853\u3068\u3057\u3066\u6ce8\u76ee\u306b\u5024\u3057\u307e\u3059\u3002<\/p>\n
    \u3053\u306e\u65b0\u6a5f\u80fd\u306f\u3001\u672c\u756a\u74b0\u5883\u306a\u3069\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30ea\u30bd\u30fc\u30b9\u306e\u5229\u7528\u304c\u91cd\u8981\u306a\u5834\u5408\u306b\u6709\u52b9\u3067\u3059\u3002<\/p>\n
    Permission Model\u306b\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3001child_process\u3001worker_threads\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u30a2\u30c9\u30aa\u30f3\u3078\u306e\u30a2\u30af\u30bb\u30b9\u5236\u9650\u306a\u3069\u3001\u3042\u308b\u7a0b\u5ea6\u306e\u5e45\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
    --allow-fs-read<\/code>\u3001--allow-fs-write<\/code>\u3001--allow-child-process<\/code>\u306a\u3069\u3092\u4f7f\u7528\u3057\u3066\u3001\u30a2\u30af\u30bb\u30b9\u53ef\u80fd\u306a\u30ea\u30bd\u30fc\u30b9\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30d5\u30e9\u30b0\u3092\u6709\u52b9\u306b\u3059\u308b\u306b\u306f\u3001--experimental-permission<\/code>\u3092\u5fc5\u8981\u306a\u6a29\u9650\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n
    \u4ee5\u4e0b\u306b\u3001Permission Model\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u8aad\u307f\u53d6\u308a\u3068\u66f8\u304d\u8fbc\u307f\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n
    $ node --experimental-permission --allow-fs-read=* --allow-fs-write=* index.js<\/code><\/pre>\n
    \u7279\u5b9a\u306e\u30d5\u30a9\u30eb\u30c0\u3084\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\/tmp\/<\/strong>\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u66f8\u304d\u8fbc\u307f\u3092\u8a31\u53ef\u3057\u307e\u3059\u3002<\/p>\n
    $ node --experimental-permission --allow-fs-write=\/tmp\/ --allow-fs-read=\/home\/index.js index.js<\/code><\/pre>\n
    Permission Model\u306e\u5927\u304d\u306a\u5229\u70b9\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u306e\u30a2\u30af\u30bb\u30b9\u3092\u3088\u308a\u7d30\u304b\u304f\u5236\u5fa1\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30d1\u30b9\u3084\u30ef\u30a4\u30eb\u30c9\u30ab\u30fc\u30c9\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u6307\u5b9a\u3057\u3066\u3001\u7279\u5b9a\u306e\u30d5\u30a9\u30eb\u30c0\u3084\u30d5\u30a1\u30a4\u30eb\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u8a31\u53ef\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
    $ node --experimental-permission --allow-fs-read=\/home\/user\/* index.js<\/code><\/pre>\n
    \u4e0a\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u306f\u3001\/home\/user\/<\/strong>\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306e\u3059\u3079\u3066\u306e\u30d5\u30a9\u30eb\u30c0\u3078\u306e\u8aad\u307f\u53d6\u308a\u6a29\u9650\u3092\u4ed8\u4e0e\u3057\u307e\u3059\u3002<\/p>\n
    \u30d7\u30ed\u30bb\u30b9\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306epermission\u30d7\u30ed\u30d1\u30c6\u30a3\u306f\u3001\u5b9f\u884c\u6642\u306b\u7279\u5b9a\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u304c\u4ed8\u4e0e\u3055\u308c\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306e\u306b\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001Node.js\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u7279\u5b9a\u306e\u30d5\u30a9\u30eb\u30c0\u3001\/home\/user\/documents<\/strong>\u3078\u306e\u8aad\u307f\u53d6\u308a\u30a2\u30af\u30bb\u30b9\u6a29\u3092\u6301\u3063\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
    if (process.permission.has('fs.read', '\/home\/user\/documents')) {\n  console.log('Read access granted to \/home\/user\/documents');\n} else {\n  console.log('Read access not granted to \/home\/user\/documents');\n}<\/code><\/pre>\n
    Permission Model\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001Node.js\u30d7\u30ed\u30bb\u30b9\u306e\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u3088\u308a\u7d30\u304b\u304f\u5236\u5fa1\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5411\u4e0a\u3084\u30ea\u30bd\u30fc\u30b9\u5229\u7528\u306e\u52b9\u7387\u5316\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n
    \u3053\u306e\u6a5f\u80fd\u306f\u307e\u3060\u5b9f\u9a13\u7684\u3067\u3042\u308a\u3001Node.js\u306e\u5c06\u6765\u306e\u30ea\u30ea\u30fc\u30b9\u3067\u5909\u66f4\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u70b9\u306b\u306f\u3001\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002Permission Model\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u968f\u6642\u30c1\u30a7\u30c3\u30af\u3057\u3001\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u306f\u5341\u5206\u306a\u6ce8\u610f\u3092\u6255\u3046\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n
    \u30c6\u30b9\u30c8\u30e9\u30f3\u30ca\u30fc\u304cstable\u306b<\/h3>\n
    Node.js v20\u3067\u306f\u3001\u8ffd\u52a0\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u305b\u305a\u3001JavaScript<\/a>\u306e\u30c6\u30b9\u30c8\u3092\u7d20\u65e9\u304f\u5bb9\u6613\u306b\u69cb\u7bc9\u3001\u5b9f\u884c\u3067\u304d\u308btest_runner\u30e2\u30b8\u30e5\u30fc\u30eb\u304c\u5b89\u5b9a\u7248\u3068\u3057\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
    \u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u30aa\u30fc\u30b5\u30ea\u30f3\u30b0\u3084\u69cb\u9020\u5316\u306e\u305f\u3081\u306edescribe<\/code>\u3001it<\/code>\/test<\/code>\u3001\u30d5\u30c3\u30af\u306a\u3069\u306e\u30d3\u30eb\u30c7\u30a3\u30f3\u30b0\u30d6\u30ed\u30c3\u30af\u3001\u30e2\u30c3\u30ad\u30f3\u30b0\u3001\u30a6\u30a9\u30c3\u30c1\u30e2\u30fc\u30c9\u3001\u305d\u3057\u3066node --test<\/code>\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u305f\u8907\u6570\u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u306e\u4e26\u5217\u5b9f\u884c\u306a\u3069\u304c\u8ffd\u52a0\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n
    \u4ee5\u4e0b\u306b\u30c6\u30b9\u30c8\u30e9\u30f3\u30ca\u30fc\u306e\u4f7f\u7528\u4f8b\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n
    import { test, mock } from 'node:test';\nimport assert from 'node:assert';\nimport fs from 'node:fs';\n\nmock.method(fs, 'readFile', async () => \"Hello World\");\ntest('synchronous passing test', async (t) => {\n  \/\/ This test passes because it does not throw an exception.\n  assert.strictEqual(await fs.readFile('a.txt'), \"Hello World\");\n});<\/code><\/pre>\n
    \u30c6\u30b9\u30c8\u30e9\u30f3\u30ca\u30fc\u306b\u306f\u3001--test-reporter<\/code>\u30d5\u30e9\u30b0\u306b\u3088\u308b\u30ab\u30b9\u30bf\u30e0\u30c6\u30b9\u30c8\u30ec\u30dd\u30fc\u30c8\u3001--experimental-test-coverage<\/code>\u30d5\u30e9\u30b0\u306b\u3088\u308b\u5b9f\u9a13\u7684\u30c6\u30b9\u30c8\u30ab\u30d0\u30ec\u30c3\u30b8\u3001\u305d\u3057\u3066\u30e2\u30c3\u30ad\u30f3\u30b0\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
    Jest<\/a>\u3084Mocha<\/a>\u306e\u3088\u3046\u306a\u5305\u62ec\u7684\u306a\u6a5f\u80fd\u3092\u642d\u8f09\u3057\u305f\u30c6\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u4ee3\u308f\u308a\u306b\u306a\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u30c6\u30b9\u30c8\u30b9\u30a4\u30fc\u30c8\u3092\u4f5c\u6210\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u4fbf\u5229\u306a\u624b\u6bb5\u3067\u3059\u3002Node.js v19\u3067\u306e\u5c0e\u5165\u4ee5\u6765\u3001\u5927\u5e45\u306b\u5f37\u5316\u3055\u308c\u3001\u30a8\u30f3\u30c9\u30e6\u30fc\u30b6\u30fc\u306e\u30c6\u30b9\u30c8\u3068\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306b\u3088\u308a\u3001Node.js v20\u3067\u306f\u5b89\u5b9a\u7248\u306b\u4f4d\u7f6e\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
    \u8a73\u7d30\u306f\u3001\u30de\u30fc\u30b8\u3055\u308c\u305f\u30d7\u30eb\u30ea\u30af\u30a8\u30b9\u30c8<\/a>\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
    V8 JavaScript\u30a8\u30f3\u30b8\u30f3\u304c11.3\u306b\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7<\/h3>\n
    Node.js\u3092\u52d5\u304b\u3059V8 JavaScript \u30a8\u30f3\u30b8\u30f3<\/a>\u304c\u3001Node.js v20\u3067\u30d0\u30fc\u30b8\u30e7\u30f311.3\u306b\u66f4\u65b0\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u3001\u65b0\u3057\u3044\u8a00\u8a9e\u6a5f\u80fd\u304c\u5c0e\u5165\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306b\u3088\u308b\u65b0\u6a5f\u80fd\u306e\u4e00\u90e8\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n