DevTools: visualize dependencies using jquery.graphviz.svg

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

Index: third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_js.js
diff --git a/third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_js.js b/third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_js.js
index cdf80f5c610016aa62a0f771d3453057f66302e5..e7dc8d707a9adaf4662c5a31c62ff54efd993389 100644
--- a/third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_js.js
+++ b/third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_js.js
@@ -6,9 +6,12 @@ const path = require('path');
 const utils = require('../utils');
 
 const FRONTEND_PATH = path.resolve(__dirname, '..', '..', 'front_end');
-const OUT = path.resolve(__dirname, 'out', 'modules.js');
+const OUT_DIR_PATH = path.resolve(__dirname, 'out');
+const OUT_FILE_PATH = path.resolve(OUT_DIR_PATH, 'modules.js');
 
 function main() {
+  if (!utils.isDir(OUT_DIR_PATH))
+    fs.mkdirSync(OUT_DIR_PATH);
   const modules = new Set();
   const moduleToDependencyList = [];
   fs.readdirSync(FRONTEND_PATH).forEach(function(file) {
@@ -26,7 +29,7 @@ function main() {
     }
   });
   const nodes = Array.from(modules);
-  fs.writeFileSync(OUT, `var modules = ${JSON.stringify(moduleToDependencyList)}; var nodes = ${JSON.stringify(nodes)};`);
+  fs.writeFileSync(OUT_FILE_PATH, `var modules = ${JSON.stringify(moduleToDependencyList)}; var nodes = ${JSON.stringify(nodes)};`);
 }
 
 if (require.main === module)