Initial commit

node_modules/pkg/prelude/diagnostic.js

@@ -0,0 +1,93 @@
+/* eslint-disable global-require */
+/* eslint-disable no-console */
+/* global DICT */
+
+'use strict';
+
+(function installDiagnostic() {
+  const fs = require('fs');
+  const path = require('path');
+  const win32 = process.platform === 'win32';
+
+  if (process.env.DEBUG_PKG === '2') {
+    console.log(Object.entries(DICT));
+  }
+  function dumpLevel(filename, level, tree) {
+    let totalSize = 0;
+    const d = fs.readdirSync(filename);
+    for (let j = 0; j < d.length; j += 1) {
+      const f = path.join(filename, d[j]);
+      const realPath = fs.realpathSync(f);
+      const isSymbolicLink2 = f !== realPath;
+
+      const s = fs.statSync(f);
+      totalSize += s.size;
+
+      if (s.isDirectory() && !isSymbolicLink2) {
+        const tree1 = [];
+        totalSize += dumpLevel(f, level + 1, tree1);
+        const str =
+          (' '.padStart(level * 2, ' ') + d[j]).padEnd(40, ' ') +
+          (totalSize.toString().padStart(10, ' ') +
+            (isSymbolicLink2 ? `=> ${realPath}` : ' '));
+        tree.push(str);
+        tree1.forEach((x) => tree.push(x));
+      } else {
+        const str =
+          (' '.padStart(level * 2, ' ') + d[j]).padEnd(40, ' ') +
+          (s.size.toString().padStart(10, ' ') +
+            (isSymbolicLink2 ? `=> ${realPath}` : ' '));
+        tree.push(str);
+      }
+    }
+    return totalSize;
+  }
+  function wrap(obj, name) {
+    const f = fs[name];
+    obj[name] = (...args) => {
+      const args1 = Object.values(args);
+      console.log(
+        `fs.${name}`,
+        args1.filter((x) => typeof x === 'string')
+      );
+      return f.apply(this, args1);
+    };
+  }
+  if (process.env.DEBUG_PKG) {
+    console.log('------------------------------- virtual file system');
+    const startFolder = win32 ? 'C:\\snapshot' : '/snapshot';
+    console.log(startFolder);
+
+    const tree = [];
+    const totalSize = dumpLevel(startFolder, 1, tree);
+    console.log(tree.join('\n'));
+
+    console.log('Total size = ', totalSize);
+    if (process.env.DEBUG_PKG === '2') {
+      wrap(fs, 'openSync');
+      wrap(fs, 'open');
+      wrap(fs, 'readSync');
+      wrap(fs, 'read');
+      wrap(fs, 'writeSync');
+      wrap(fs, 'write');
+      wrap(fs, 'closeSync');
+      wrap(fs, 'readFileSync');
+      wrap(fs, 'close');
+      wrap(fs, 'readFile');
+      wrap(fs, 'readdirSync');
+      wrap(fs, 'readdir');
+      wrap(fs, 'realpathSync');
+      wrap(fs, 'realpath');
+      wrap(fs, 'statSync');
+      wrap(fs, 'stat');
+      wrap(fs, 'lstatSync');
+      wrap(fs, 'lstat');
+      wrap(fs, 'fstatSync');
+      wrap(fs, 'fstat');
+      wrap(fs, 'existsSync');
+      wrap(fs, 'exists');
+      wrap(fs, 'accessSync');
+      wrap(fs, 'access');
+    }
+  }
+})();