function resolveRequire(path, fromDir, fromFile, options, optimizerContext, callback) {
equal(typeof callback, 'function', '"callback" function expected');
var parsedRequire = parseRequire(path);
// Normalize the path by making sure the path separator is always forward slash
// (normalize does nothing on non-Windows platform)
path = _normalizePath(parsedRequire.path);
var dependencyType = parsedRequire.type;
var optimizerJsonPath = nodePath.join(fromDir, 'optimizer.json');
var remap;
if (optimizerContext.cachingFs.existsSync(optimizerJsonPath)) {
var optimizerPackage = optimizerContext.readPackageFile(optimizerJsonPath);
remap = optimizerPackage.getRequireRemap(optimizerContext);
}
if (remap) {
if (options.remap) {
remap = extend({}, remap);
extend(remap, options.remap);
options.remap = remap;
} else {
options.remap = remap;
}
}
var resolved;
try {
resolved = resolver.resolveRequire(path, fromDir, options);
} catch(e) {
if (e.moduleNotFound || e.code === 'ENOENT') {
// Check if it is a builtin module ("path", etc.)
if (path && !dependencyType && builtins[path]) {
return callback(null, builtins[path]);
} else {
return callback(createError(new Error('Unable to resolve required module "' + path + '" (fromDir "' + fromDir + '") referenced in "' + fromFile + '". Exception: ' + e), e));
}
} else {
// Uncaught exception
throw e;
}
}
resolved = extend({}, resolved);
resolved.dependencyType = dependencyType;
if (resolved.isDir && !resolved.main) {
return callback(
new Error(
'require(' + JSON.stringify(path) +
') resolved to a directory at path "' + resolved.filePath +
'" which does not have a main file (referenced in "' + fromFile + '")'));
}
return callback(null, resolved);
}
Object.keys(globals).forEach(function(moduleName) {
var varName = globals[moduleName];
var resolved;
try {
resolved = resolveRequire(moduleName, config.rootDir);
} catch(e) {
if (e.moduleNotFound) {
if (config.globals && config.globals.hasOwnProperty(moduleName)) {
throw e;
}
} else {
throw e;
}
}
delete globals[moduleName];
if (resolved) {
resolved = resolved.main ? resolved.main.filePath : resolved.filePath;
globals[resolved] = varName;
}
});
function resolveBuiltinRequire(name) {
var resolved = resolveRequire(name, __dirname, { makeRoot: true });
extend({}, resolved);
resolved.builtin = true;
return resolved;
}