initial

ts/index.ts

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+import 'typings-global'
+
+let Module = require('module');
+import path = require('path');
+import sourceMap = require('source-map-support');
+import through2 = require('through2');
+import vm = require('vm');
+
+import { Transform } from 'stream'
+
+sourceMap.install({
+  retrieveFile: function (path) {
+    if (cache[path]) {
+      return cache[path].contents.toString();
+    }
+  }
+});
+
+
+let cache = {};
+let originalLoader = Module._extensions['.js'];
+
+Module._extensions['.js'] = function (module, filename) {
+  let file = cache[filename];
+  if (file) {
+    module._compile(file.contents.toString(), filename);
+  } else {
+    originalLoader.apply(this, arguments);
+  }
+};
+
+let originalModuleResolve = Module._resolveFilename
+
+Module._resolveFilename = function (request, parent, isMain) {
+  let file = cache[request];
+  if (file) {
+    return request;
+  } else {
+    return originalModuleResolve.apply(this, arguments)
+  }
+};
+
+
+export let gulpPipe = function () {
+  return through2.obj(function (file, enc, cb) {
+    cache[file.path] = file;
+    return cb(null, file);
+  });
+};
+
+export interface fileObject {
+  path: string
+  contents: Buffer
+}
+
+export let injectFileArray = async (fileArray: fileObject[]) => {
+  for (let fileObject of fileArray) {
+    cache[fileObject.path] = fileObject
+  }
+  return fileArray
+}