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历届学生/王凯/11-16/gulpfile.js

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+var gulp = require("gulp"),
+    babel = require("gulp-babel"),
+    watch = require('gulp-watch'),
+    uglify = require('gulp-uglify');
+
+gulp.task('default', function () {
+  return watch('src/es6.js')
+    .pipe(babel())
+    .pipe(uglify())
+    .pipe(gulp.dest('dist'));
+});