gulpfile.js

const gulp = require('gulp');
const del = require('del');
const replace = require('gulp-string-replace');

const path = require('path');

const editorSrcDir = "editorSrc";
const electronSrcDir = "electron/app";
const electronDistDir = "electron/dist";

gulp.task('clean:editorSrc', function () {
    return del([
        editorSrcDir
    ]);
});

gulp.task('clean:electron', function () {
    return del([
        electronSrcDir,
        electronDistDir
    ]);
});

gulp.task('swagger-editor', ['clean:editorSrc'], function () {
    const swaggerEditorDistDir = path.dirname(require.resolve('swagger-editor-dist'));

    return gulp.src(swaggerEditorDistDir + "/**/*")
        .pipe(gulp.dest(editorSrcDir));
});

gulp.task('clean', ['clean:editorSrc', 'clean:electron']);

gulp.task('main', function() {
    return gulp.src('./main.js')
        .pipe(gulp.dest(electronSrcDir));
});

gulp.task('postinstall', ['swagger-editor']);

gulp.task('package.json', function () {
    return gulp.src('./package.json')
        .pipe(replace('dependencies', 'rendererDependencies'))
        .pipe(replace('electronDependencies', 'dependencies'))
        .pipe(gulp.dest(electronSrcDir));
});

gulp.task('src', ['swagger-editor'], function () {
    return gulp.src(editorSrcDir + "/*", { "base" : "." })
        .pipe(gulp.dest(electronSrcDir));
});


gulp.task('build', ['main', 'package.json', 'src']);

gulp.task('default', ['build']);