[WIP] Refactoring

.gitignore

@@ -4,4 +4,5 @@
 /.idea/
 /node_modules/
 /package-lock.json
-/.vscode
+/.vscode
+/dist

.npmignore

@@ -0,0 +1,3 @@
+/src
+/spec
+/*.js

gulpfile.js

@@ -1,6 +1,8 @@
 var gulp = require('gulp');
 var concat = require('gulp-concat');
 var uglify = require('gulp-uglify');
+const ts = require('gulp-typescript')
+const tsProject = ts.createProject('tsconfig.json');
 
 var devFiles = ['./nerdamer.core.js','./Algebra.js', './Calculus.js', './Solve.js', './Extra.js'];
 
@@ -11,6 +13,15 @@ gulp.task('concat_all', function() {
         .pipe(gulp.dest('./'));
 });
 
+gulp.task('build', function() {
+    return tsProject.src()
+        .pipe(tsProject())
+        .js
+        .pipe(concat('all.min.js'))
+        .pipe(uglify())
+        .pipe(gulp.dest('./dist'));
+});
+
 gulp.task('watch', function() {
-  gulp.watch(devFiles, gulp.series('concat_all'));
+    gulp.watch(devFiles, gulp.series('concat_all'));
 });