/*
* Copyright 2015-present Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. You may obtain
* a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package com.facebook.buck.js;
import com.facebook.buck.cli.BuckConfig;
import com.facebook.buck.rules.BuildRuleResolver;
import com.facebook.buck.rules.SourcePath;
import com.facebook.buck.rules.Tool;
import com.facebook.buck.util.HumanReadableException;
import java.util.Optional;
/** A react-native view of {@link BuckConfig}. */
public class ReactNativeBuckConfig {
private final BuckConfig delegate;
public ReactNativeBuckConfig(BuckConfig delegate) {
this.delegate = delegate;
}
/**
* The JavaScript packager tool to use for React Native rules. Note that callers need to add the
* result of {@link #getPackagerSourcePath()} to the list of deps on the build rule otherwise
* parsing will fail.
*
* @return Tool for the react native javascript packager.
*/
public Tool getPackager(BuildRuleResolver resolver) {
return delegate.getRequiredTool("react-native", "packager_worker", resolver);
}
public SourcePath getPackagerSourcePath() {
Optional<SourcePath> packagerWorker = delegate.getSourcePath("react-native", "packager_worker");
if (!packagerWorker.isPresent()) {
throw new HumanReadableException(
"In order to use a 'react_native_library' rule, please "
+ "specify 'packager_worker' in .buckconfig under the 'react-native' section.");
}
return packagerWorker.get();
}
}