gulpfile.js

'use strict';
const gulp = require("gulp");
const minify = require('gulp-minify');
const inject = require("gulp-inject-string");
const ts = require('gulp-typescript');
const tsProject = ts.createProject('tsconfig.json');

gulp.task('buildJs', () => {
    return tsProject.src()
        .pipe(tsProject())
        .js.pipe(inject.replace('var ai;', ''))
        .pipe(inject.prepend('window.ai = {};\n'))
        .pipe(inject.replace('var __extends =', 'window.__extends ='))
        .pipe(minify({ext: {min: ".min.js"}}))
        .pipe(gulp.dest('./bin'));
});

gulp.task("buildDts", ["buildJs"], () => {
    return tsProject.src()
        .pipe(tsProject())
        // .dts.pipe(inject.append('import e = framework;'))
        .pipe(gulp.dest('./bin'));
});

gulp.task("build", ["buildDts"], () => {
    return gulp.src('bin/**/*')
        // .pipe(gulp.dest('../demo_egret/libs/framework/'))
});