com.google.javascript.jscomp.deps.BrowserModuleResolver Maven / Gradle / Ivy
/*
* Copyright 2017 The Closure Compiler Authors.
*
* 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.google.javascript.jscomp.deps;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.javascript.jscomp.CheckLevel;
import com.google.javascript.jscomp.ErrorHandler;
import com.google.javascript.jscomp.JSError;
import javax.annotation.Nullable;
/**
* Resolution algorithm for Browsers.
*
* Only unambiguous paths are supported. Paths must specify a file extension.
*/
public class BrowserModuleResolver extends ModuleResolver {
public BrowserModuleResolver(
ImmutableSet modulePaths,
ImmutableList moduleRootPaths,
ErrorHandler errorHandler) {
super(modulePaths, moduleRootPaths, errorHandler);
}
@Override
@Nullable
public String resolveJsModule(
String scriptAddress, String moduleAddress, String sourcename, int lineno, int colno) {
if (ModuleLoader.isAmbiguousIdentifier(moduleAddress)) {
errorHandler.report(
CheckLevel.WARNING,
JSError.make(
sourcename,
lineno,
colno,
ModuleLoader.INVALID_MODULE_PATH,
moduleAddress,
"BROWSER"));
return null;
}
String loadAddress = locate(scriptAddress, moduleAddress);
if (loadAddress == null) {
errorHandler.report(
CheckLevel.WARNING,
JSError.make(sourcename, lineno, colno, ModuleLoader.LOAD_WARNING, moduleAddress));
}
return loadAddress;
}
}