Use gulp.js

* Switch to gulp build

* Working gulp build

* add script

* Remove npm install from gulp build

.gitignore

@@ -1,6 +1,3 @@
-# Build output
-lib/
-
 # Logs
 logs
 *.log

README.md

@@ -13,19 +13,25 @@ An Azure DevOps javascript library for running the [Microsoft Security DevOps CL
 
 ### Preqrequisities:
 
-* Install [dotnet](https://dotnet.microsoft.com/en-us/)
-* install [node.js](https://nodejs.org/en) (for npm)
-
-To build, run:
-```powershell
-dotnet build ./build.proj [/p:NpmInstall=true|false]
+* Install [node.js](https://nodejs.org/en) (for npm)
+* Install [gulp-cli](https://www.npmjs.com/package/gulp-cli) globally:
+  ```
+  npm install -g gulp-cli
+  ```
+* Install node package dependencies
+  ```
+  npm install
+  ```
+
+To build, simply run `gulp` in the root of the repo:
+```
+gulp
 ```
 
 The build:
-1. If `NpmInstall` is true, runs `npm install` at the root of the repo
 1. Compiles the typescript in the `./src` directory
-1. Outputs javascript to the `./lib` directory
-1. Copies the `./package.json` file to the `./lib` folder
+1. Outputs javascript to the `./dist` directory
+1. Copies the `./package.json` file to the `./dist` folder
 
 ## Publish
 

gulpfile.js

@@ -0,0 +1,31 @@
+const gulp = require('gulp');
+const shell = require('gulp-shell');
+const ts = require('gulp-typescript');
+
+const tsProject = ts.createProject('tsconfig.json');
+
+function clean(cb) {
+    import('del')
+        .then((del) => del.deleteSync(['dist']))
+        .then(() => cb());
+}
+
+function compile(cb) {
+    tsProject
+        .src()
+        .pipe(tsProject()).js
+        .pipe(gulp.dest('dist'));
+    cb();
+}
+
+function copyPackageJson(cb) {
+    gulp
+        .src('package.json')
+        .pipe(gulp.dest('dist'));
+    cb();
+}
+
+exports.clean = clean;
+exports.compile = compile;
+exports.build = gulp.series(clean, compile, copyPackageJson);
+exports.default = exports.build;