added external module usage example #65

Author: Umed Khudoiberdiev

sample/sample14-external-imports/FileReader.ts

@@ -0,0 +1,19 @@
+import {Inject, Service} from "../../src";
+import * as fs from "fs";
+
+@Service()
+export class FileReader {
+
+    constructor(@Inject("fs") private fileSystem: typeof fs) {
+    }
+
+    read(filePath: string) {
+        return new Promise((ok, fail) => {
+            this.fileSystem.readFile(filePath, (error, data) => {
+                if (error) return fail(error);
+                ok(data);
+            });
+        });
+    }
+
+}

sample/sample14-external-imports/app.ts

@@ -0,0 +1,10 @@
+import "reflect-metadata";
+import * as fs from "fs";
+import {Container} from "../../src";
+import {FileReader} from "./FileReader";
+
+Container.set("fs", fs);
+
+Container.get(FileReader)
+    .read(__dirname + "/text.txt")
+    .then(data => console.log(data.toString()));

sample/sample14-external-imports/text.txt

@@ -0,0 +1 @@
+Hello World!