GULP找不到模块

GULP找不到模块,gulp,Gulp,这是我的gulpfile.js var gulp = require( "gulp" ), traceur = require( "traceur" ), babel = require( "babel" ), plumber = require( "plumber" ), es6Path = "es6/*.js", compilePath = "es6/compiled"; gulp.task( "traceur", function () {

这是我的gulpfile.js

var gulp = require( "gulp" ),
    traceur = require( "traceur" ),
    babel = require( "babel" ),
    plumber = require( "plumber" ),
    es6Path = "es6/*.js",
    compilePath = "es6/compiled";

gulp.task( "traceur", function () {
    gulp.src( [ es6Path ] )
        .pipe( plumber() )
        .pipe( traceur( { blockBinding: true } ) )
        .pipe( gulp.dest( compilePath + '/traceur' ) );
});

gulp.task( "babel", function () {
    gulp.src( [ es6Path ] )
        .pipe( plumber() )
        .pipe( babel() )
        .pipe( gulp.dest( compilePath + '/babel' ) );
});

gulp.task( "watch", function() {
    gulp.watch( [ es6Path ], [ "traceur", "babel" ] );
});

gulp.task( "default", [ "traceur", "babel", "watch" ] );
这是我的package.json文件

{
  "name": "ES6Demos",
  "version": "1.0.0",
  "description": "Getting started wtih ES6 using gulp",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Vinayak Phal",
  "license": "ISC",
  "devDependencies": {
    "gulp": "^3.9.0",
    "gulp-babel": "^5.2.1",
    "gulp-concat": "^2.6.0",
    "gulp-plumber": "^1.0.1",
    "gulp-traceur": "^0.17.1",
    "gulp-typescript": "^2.9.0",
    "gulp-uglify": "^1.4.1"
  }
}
安装了所有依赖项和所有内容,但仍然出现以下错误

这不仅适用于traceur,还适用于其他模块。 下一个要吞咽的

您需要“traceur”。你需要“吞咽追踪器”。其他包裹也是一样