public static string module_resolve(IFileSystem fs, IFileResolver resolver, string module_base_name, string module_id)
{
var parent_id = module_base_name;
var resolving = module_id;
// 将相对目录展开
if (module_id.StartsWith("./") || module_id.StartsWith("../") || module_id.Contains("/./") ||
module_id.Contains("/../"))
{
// 显式相对路径直接从 parent 模块路径拼接
var parent_path = PathUtils.GetDirectoryName(parent_id);
try
{
resolving = PathUtils.ExtractPath(PathUtils.Combine(parent_path, module_id), '/');
}
catch
{
// 不能提升到源代码目录外面
throw new Exception(string.Format("invalid module path (out of sourceRoot): {0}", module_id));
}
}
string resolved;
if (resolver.ResolvePath(fs, resolving, out resolved))
{
return(resolved);
}
throw new Exception(string.Format("module not found: {0}", module_id));
}
public void EvalMain(string fileName)
{
string resolvedPath;
if (_fileResolver.ResolvePath(_fileSystem, fileName, out resolvedPath))
{
var source = _fileSystem.ReadAllBytes(resolvedPath);
_mainContext.EvalMain(source, resolvedPath);
}
}
public void EvalMain(string fileName)
{
string resolvedPath;
if (_fileResolver.ResolvePath(_fileSystem, fileName, out resolvedPath))
{
var source = _fileSystem.ReadAllBytes(resolvedPath);
var input_bytes = TextUtils.GetShebangNullTerminatedCommonJSBytes(source);
_mainContext.EvalMain(input_bytes, resolvedPath);
}
}
public bool ResolvePath(IFileSystem fileSystem, string fileName, out string resolvedPath)
{
return(_resolver.ResolvePath(fileSystem, fileName, out resolvedPath));
}