001// Licensed under the Apache License, Version 2.0 (the "License");
002// you may not use this file except in compliance with the License.
003// You may obtain a copy of the License at
004//
005// http://www.apache.org/licenses/LICENSE-2.0
006//
007// Unless required by applicable law or agreed to in writing, software
008// distributed under the License is distributed on an "AS IS" BASIS,
009// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
010// See the License for the specific language governing permissions and
011// limitations under the License.
012
013package org.apache.tapestry5.webresources;
014
015public class WebResourcesSymbols
016{
017    /**
018     * Directory that stores cached copies of compiled CoffeeScript files. The directory will be created
019     * as necessary. This allows compilation (e.g., CoffeeScript to JavaScript) to be avoided after a restart.
020     * The default is under the {@code java.io.tmpdir} system property (which is not necessarily stable between executions).
021     * It is common to set this to {@code target/asset-cache} during development.
022     */
023    public static final String CACHE_DIR = "tapestry.compiled-asset-cache-dir";
024
025    /**
026     * Defines the level at which the Google Closure compiler operations, as per
027     * {@link com.google.javascript.jscomp.CompilationLevel}.  The default is "WHITESPACE_ONLY", though
028     * "SIMPLE_OPTIMIZATIONS" should also work. Advanced optimizations will likely not work, as Tapestry's more
029     * incremental approach to JavaScript (including the use of jQuery and jQuery plugins) is not compatible
030     * with Closure.
031     */
032    public static final String COMPILATION_LEVEL  = "tapestry.closure-compiler-level";
033}