DevTools: visualize dependencies using jquery.graphviz.svg

third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_dot.js

-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-"use strict";
-
-const fs = require('fs');
-const path = require('path');
-
-const utils = require('../utils');
-
-const FRONTEND_PATH = path.resolve(__dirname, '..', '..', 'front_end');
-const OUT = path.resolve(__dirname, 'out', 'dependencies.dot');
-
-function main() {
-  const modules = new Set();
-  const moduleToDependencyList = ['digraph dependencies {'];
-  moduleToDependencyList.push('fixedsize = true;')
-  fs.readdirSync(FRONTEND_PATH).forEach(function(file) {
-    const moduleJSONPath = path.join(FRONTEND_PATH, file, 'module.json');
-    if (fs.statSync(path.join(FRONTEND_PATH, file)).isDirectory() &&
-      utils.isFile(moduleJSONPath)) {
-      const module = file;
-      if (module === 'audits2_worker')
-        return;
-      modules.add(module);
-      const moduleJSON = require(moduleJSONPath);
-      let moduleSize = 0;
-
-      let resources = (moduleJSON.scripts || []).concat((moduleJSON.resources || []));
-      for (let script of resources) {
-        if (fs.existsSync(path.join(FRONTEND_PATH, module, script))) {
-          console.log(path.join(FRONTEND_PATH, module, script));
-          moduleSize += fs.statSync(path.join(FRONTEND_PATH, module, script)).size;
-        }
-      }
-      moduleSize /= 200000;
-      moduleSize = Math.max(0.5, moduleSize);
-      let fontSize = Math.max(moduleSize*14, 14);
-
-      moduleToDependencyList.push(`${module} [width=${moduleSize}, height=${moduleSize} fontsize=${fontSize}];`);
-
-      if (moduleJSON.dependencies) {
-        for (let d of moduleJSON.dependencies) {
-          moduleToDependencyList.push(`  ${module} -> ${d}`);
-        }
-      }
-    }
-  });
-  moduleToDependencyList.push('}');
-  const content = moduleToDependencyList.join('\n');
-  fs.writeFileSync(OUT, content);
-}
-
-if (require.main === module)
-  main();