CLJS-3316: Google Closure Library build script needs to generate deps.js

Author: swannodette

script/closure-library-release/closure-library-release.sh

@@ -112,6 +112,9 @@ third_party_src_dir="$third_party_project_dir/src/main/resources"
 
 mkdir -p "$src_dir" "$third_party_src_dir"
 
+## Generate deps.js
+../closure_deps_graph.sh
+
 ## Copy Closure sources
 
 cp -r \

script/closure_deps_graph.clj

@@ -0,0 +1,39 @@
+(ns closure-deps-graph
+  (:require [clojure.java.io :as io])
+  (:import [java.io File]
+           [com.google.javascript.jscomp SourceFile BasicErrorManager]
+           [com.google.javascript.jscomp.deps
+            BrowserModuleResolver
+            DepsGenerator DepsGenerator$InclusionStrategy ModuleLoader
+            ModuleLoader$PathResolver]))
+
+(defn js-files-in
+  "Return a sequence of all .js files in the given directory."
+  [dir]
+  (filter
+    #(let [name (.getName ^File %)]
+       (and (.endsWith name ".js")
+         (not= \. (first name))))
+    (file-seq dir)))
+
+(spit (io/file "closure-library/closure/goog/deps.js")
+  (.computeDependencyCalls
+    (DepsGenerator.
+      []
+      (map #(SourceFile/fromFile (.getAbsolutePath %))
+        (mapcat (comp js-files-in io/file)
+          ["closure-library/closure/goog"]))
+      DepsGenerator$InclusionStrategy/ALWAYS
+      (.getAbsolutePath (io/file "closure-library/closure/goog"))
+      (proxy [BasicErrorManager] []
+        (report [level error]
+          (println error))
+        (println [level error]
+          (println error)))
+      (-> (ModuleLoader/builder)
+        (.setErrorHandler nil)
+        (.setModuleRoots [])
+        (.setInputs [])
+        (.setFactory BrowserModuleResolver/FACTORY)
+        (.setPathResolver ModuleLoader$PathResolver/ABSOLUTE)
+        (.build)))))

script/closure_deps_graph.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [[ -z "$CLJS_SCRIPT_QUIET" ]]; then
+  set -x
+fi
+
+FILE_SEP='/'
+PATH_SEP=':'
+OS_ID=`uname | tr [:upper:] [:lower:]`
+CLJS_SCRIPT_MVN_OPTS=${CLJS_SCRIPT_MVN_OPTS:-""}
+
+if [[ $OS_ID == *mingw* ]]
+then
+    echo "MINGW detected"
+    # Refer to http://www.mingw.org/wiki/Posix_path_conversion
+    FILE_SEP='//'
+    PATH_SEP=';'
+fi
+
+CP_FILE=`mktemp /tmp/cljs_cp.txt.XXXXXXXXXXX`
+
+mvn -f ../../pom.template.xml dependency:build-classpath -Dmdep.outputFile=$CP_FILE -Dmdep.fileSeparator=$FILE_SEP -Dmdep.pathSeparator=$PATH_SEP $CLJS_SCRIPT_MVN_OPTS
+
+CLJS_CP=`cat $CP_FILE`
+
+# For Hudson server
+if [ "$HUDSON" = "true" ]; then
+    $JAVA_HOME/bin/java -server -cp "$CLJS_CP""$PATH_SEP""src/main/clojure" clojure.main ../closure_deps_graph.clj
+else
+    java -server -cp "$CLJS_CP""$PATH_SEP""src/main/clojure" clojure.main ../closure_deps_graph.clj
+fi