DevTools: visualize deps

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
new file mode 100644
index 0000000000000000000000000000000000000000..cdf80f5c610016aa62a0f771d3453057f66302e5
--- /dev/null
+++ b/third_party/WebKit/Source/devtools/scripts/visualize_deps/generate_js.js
@@ -0,0 +1,33 @@
+"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', 'modules.js');
+
+function main() {
+  const modules = new Set();
+  const moduleToDependencyList = [];
+  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;
+      modules.add(module);
+      const moduleJSON = require(moduleJSONPath);
+      if (moduleJSON.dependencies) {
+        for (let d of moduleJSON.dependencies) {
+          moduleToDependencyList.push([module, d]);
+        }
+      }
+    }
+  });
+  const nodes = Array.from(modules);
+  fs.writeFileSync(OUT, `var modules = ${JSON.stringify(moduleToDependencyList)}; var nodes = ${JSON.stringify(nodes)};`);
+}
+
+if (require.main === module)
+  main();