    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}