gulpfile.js

var gulp = require('gulp');
var concat = require('gulp-concat');
var del = require('del');
var uglifyes = require('uglify-es');
var composer = require('gulp-uglify/composer');
var minify = composer(uglifyes, console);

// //是否开启高可用性检查（浏览器不支持时直接提示）
// let isHightAvailability = false;

let model = [
    "./src/tool.js"
    , "./src/vector2d.js"
    , "./src/ShowObj.js"
    , "./src/jGE.js"
    , "./src/EventManager.js"
    //, "./src/ObjectFactory.js"
    , "./src/ResourceManager.js"
    //, "./src/ResManager.js"
    , "./src/SceneManager.js"
    , "./src/Keyboard.js"
    , "./src/jGE.config.js"
    //,"./lib/jGE.Debug.js"
];

console.log(`准备生成 jGE，包含的模块有：\n${model.join('').replace(/\.\/src\//g, '').replace(/\.js/g, '\n')}`)

gulp.task('clean', function () {
    console.log("....清理输出文件....")
    return del(['release']);
});


gulp.task('jGE-Full', gulp.series('clean', function (cb) {
    let rsl = gulp.src(model)
        .pipe(concat('jGE.js'))
        .pipe(gulp.dest('./release/'));
    return rsl;
})
);

gulp.task('jGE-min', gulp.series('jGE-Full', function () {
    return gulp.src("./release/jGE.js")
        .pipe(concat('jGE.min.js'))
        .pipe(minify({}))
        .pipe(gulp.dest('./release/'));
}));

gulp.task('AvailabilityCheck', gulp.series('jGE-min', function () {
    if (isHightAvailability) {
        gulp.src(["./src/Availability.js", "./release/jGE.js"])
            .pipe(concat('jGE.js'))
            .pipe(gulp.dest('./release/'));

        return gulp.src(["./src/Availability.js", "./release/jGE.min.js"])
            .pipe(concat('jGE.min.js'))
            .pipe(gulp.dest('./release/'));
    }
}));

gulp.task('default', gulp.parallel('jGE-Full', 'jGE-min'/*,'AvailabilityCheck'*/));