noe reading correctly

ts/index.ts

@@ -1,9 +1 @@
-import * as plugins from './smartgulp.plugins'
-
-export let src = () => {
-
-}
-
-export let dest = () => {
-  
-}
+export * from './smartgulp.gulpapi'

ts/smartgulp.classes.gulpstream.ts

@@ -0,0 +1,30 @@
+// this file contains the code to generate and handle the stream
+
+import * as plugins from './smartgulp.plugins'
+import { Smartfile } from 'smartfile'
+
+import { Transform } from 'stream'
+
+export class GulpStream {
+  stream = new Transform({ objectMode: true })
+
+  /**
+   * allows you to pipe a SmartfileArray into the stream
+   */
+  async pipeSmartfileArray(smartfileArray: Smartfile[]) {
+    // ensure what we get is an array
+    if (!Array.isArray(smartfileArray)) {
+      throw new Error('fileArg has unknown format')
+    }
+    for (let smartfile of smartfileArray) {
+      let hasWritten = this.stream.push(smartfile)
+      if (!hasWritten) {
+        await plugins.smartevent.once(this.stream, 'drain')
+      } else {
+        // iterate
+      }
+    };
+    // signal end of stream;
+    this.stream.push(null)
+  }
+}

ts/smartgulp.gulpapi.ts

@@ -0,0 +1,26 @@
+// this file contains the implementation of the standard gulp api
+import * as plugins from './smartgulp.plugins'
+import { GulpStream } from './smartgulp.classes.gulpstream'
+import { Transform } from 'stream'
+
+import { Smartfile } from 'smartfile'
+
+export let src = (minimatchPathArrayArg: string[]): Transform => {
+  let gulpStream = new GulpStream()
+  let handleFiles = async () => {
+    let smartfileArray: Smartfile[] = []
+    for (let minimatchPath of minimatchPathArrayArg) {
+      let localSmartfileArray = await plugins.smartfile.fs.fileTreeToObject(process.cwd(), minimatchPath)
+      smartfileArray = plugins.lodash.concat(smartfileArray, localSmartfileArray)
+    }
+    gulpStream.pipeSmartfileArray(smartfileArray)
+  }
+  handleFiles().catch(err => {
+    console.log(err)
+  })
+  return gulpStream.stream
+}
+
+export let dest = () => {
+
+}

ts/smartgulp.plugins.ts

@@ -1,5 +1,11 @@
+import * as smartevent from 'smartevent'
+import * as smartfile from 'smartfile'
 import * as smartstream from 'smartstream'
+import * as lodash from 'lodash'
 
 export {
+  lodash,
+  smartevent,
+  smartfile,
   smartstream
-}
+}