loader-runner
import { runLoaders } from "loader-runner";
runLoaders({
resource: "/abs/path/to/file.txt?query",
// String: Absolute path to the resource (optionally including query string)
loaders: ["/abs/path/to/loader.js?query"],
// String[]: Absolute paths to the loaders (optionally including query string)
// {loader, options}[]: Absolute paths to the loaders with options object
context: { minimize: true },
// Additional loader context which is used as base context
readResource: fs.readFile.bind(fs)
// A function to read the resource
// Must have signature function(path, function(err, buffer))
}, function(err, result) {
// err: Error?
// result.result: Buffer | String
// The result
// result.resourceBuffer: Buffer
// The raw resource as Buffer (useful for SourceMaps)
// result.cacheable: Bool
// Is the result cacheable or do it require reexecution?
// result.fileDependencies: String[]
// An array of paths (files) on which the result depends on
// result.contextDependencies: String[]
// An array of paths (directories) on which the result depends on
})

More documentation following...