Group require from node_modules

Author: tshemsedinov

NodeJS/1-npm/application.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const { fs, path, vm, os, http, util, crypto, timers } = require('./node.js');
+const { pg, redis, ws, metacom, metalog, metavm } = require('./npm.js');
+
+// Use modules as usual
+
+fs.readFile('./application.js', (error, data) => {
+  if (error) {
+    console.log({ error });
+  } else {
+    console.log({ data });
+  }
+});
+
+// Show what we have
+
+const node = { fs, path, vm, os, http, util, crypto, timers };
+const npm = { pg, redis, ws, metacom, metalog, metavm };
+console.log({ node, npm });

NodeJS/1-npm/node.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const node = {};
+const tools = ['util', 'path', 'buffer', 'os', 'v8', 'vm'];
+const multi = ['child_process', 'worker_threads'];
+const streams = ['stream', 'fs', 'crypto', 'zlib', 'readline'];
+const async = ['perf_hooks', 'async_hooks', 'timers', 'events'];
+const network = ['dns', 'net', 'tls', 'http', 'https', 'http2', 'dgram'];
+const internals = [...tools, ...multi, ...streams, ...async, ...network];
+
+for (const name of internals) node[name] = require(`node:${name}`);
+node.process = process;
+node.fsp = node.fs.promises;
+node.timers.promises = node['timers/promises'];
+
+module.exports = Object.freeze(node);

NodeJS/1-npm/npm.js

@@ -0,0 +1,16 @@
+'use strict';
+
+const node = require('./node.js');
+const npm = {};
+
+const pkgPath = node.path.join(node.process.cwd(), 'package.json');
+const pkg = require(pkgPath);
+
+if (pkg.dependencies) {
+  const modules = Object.keys(pkg.dependencies);
+  for (const dependency of modules) {
+    npm[dependency] = require(dependency);
+  }
+}
+
+module.exports = Object.freeze(npm);