update to latest deps

Author: tailuge

.travis.yml

@@ -1,7 +1,6 @@
 language: node_js
 node_js:
-  - "9.11.1"
-before_script:
+  - "10.16.3"
 after_success:
   - nyc report --reporter=text-lcov | coveralls
 

dist/main.js

@@ -4,7 +4,7 @@ const source = require('vinyl-source-stream');
 const tsify = require("tsify");
 const watchify = require("watchify");
 const gutil = require("gulp-util");
-const uglify = require("gulp-uglify");
+const terser = require("gulp-terser");
 const buffer = require('vinyl-buffer');
 const mocha = require('gulp-mocha');
 
@@ -30,7 +30,7 @@ function bundle() {
     .on('error', onError)
     .pipe(source('main.js'))
     .pipe(buffer())
-    .pipe(uglify())
+    .pipe(terser())
     .pipe(gulp.dest(destination));
 }