

npm install --save-dev gulp-babel babel-preset-es2015
var babel = require("gulp-babel");
// es6
gulp.task('es6', function() {
return gulp.src('./wuqian/**/*.js')
.pipe(babel())
.pipe(gulp.dest('dist/'));
});在项目根路径创建文件 .babelrc。内容为
{ "presets": ["es2015"]
}gulp配置如下:
var gulp = require("gulp");
var babel = require("gulp-babel");
gulp.task("default", function () {
return gulp.src("js**/*.js")// ES6 源码存放的路径
.pipe(babel({
presets: ['es2015']
}))
.pipe(gulp.dest("dist")); //转换成 ES5 存放的路径
});ES6列子:
let [foo, [[bar], baz]] = [1, [[2], 3]]; console.log(foo); console.log(bar); console.log(baz);
转换后的es5:
"use strict"; var foo = 1, bar = 2, baz = 3; console.log(foo); console.log(bar); console.log(baz);
