Update to Gulp v4

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 
 node_js:
-- "8"
+- latest
 
 branches:
   only:

core/gulpfile.babel.js

@@ -0,0 +1,20 @@
+import gulp from 'gulp';
+import pump from 'pump';
+import babel from 'gulp-babel';
+import watch from 'gulp-watch';
+
+gulp.task('build', function () {
+    return pump([
+        gulp.src('src/**/*.js'),
+        babel(),
+        gulp.dest('dist')
+    ]);
+});
+
+gulp.task('watch', function () {
+    return pump([
+        watch('src/**/*.js'),
+        babel(),
+        gulp.dest('dist')
+    ]);
+});

core/gulpfile.js

@@ -1,27 +0,0 @@
-const
-    gulp = require('gulp'),
-    pump = require('pump'),
-    babel = require('gulp-babel'),
-    plumber = require('gulp-plumber'),
-    watch = require('gulp-watch');
-
-const task_build = function () {
-    return pump([
-        gulp.src('src/**/*js'),
-        plumber(),
-        babel(),
-        gulp.dest('dist')
-    ]);
-}
-
-const task_watch = function () {
-    return pump([
-        watch('src/**/*js'),
-        plumber(),
-        babel(),
-        gulp.dest('dist')
-    ]);
-}
-
-gulp.task('build', task_build);
-gulp.task('watch', task_watch);

gulpfile.babel.js

@@ -0,0 +1,86 @@
+import gulp from 'gulp';
+import pump from 'pump';
+import del from 'del';
+import copy from 'gulp-copy';
+import rename from 'gulp-rename';
+import inject from 'gulp-inject-string';
+import copydeps from 'gulp-npm-copy-deps';
+import file from 'gulp-file';
+import editjson from 'gulp-json-editor';
+
+import corepkg from './core/package';
+import clientpkg from './client/package';
+
+gulp.task('release-package', function () {
+    return pump([
+        gulp.src('package.json'),
+        editjson(function (mainpkg) {
+            delete mainpkg.main;
+            delete mainpkg.devDependencies;
+            delete mainpkg.scripts;
+            return mainpkg;
+        }),
+        gulp.dest('release')
+    ]);
+});
+
+gulp.task('client', function () {
+    return pump([
+        gulp.src('client/dist/*.client-release.js'),
+        rename(`client.${clientpkg.version}.js`),
+        gulp.dest('release')
+    ]);
+});
+
+gulp.task('core', function () {
+    return pump([
+        gulp.src('core/dist/main.js'),
+        inject.after("'use strict';\n", 'const PRODUCTION = true;\n'),
+        rename(`core.${corepkg.version}.js`),
+        gulp.dest('release')
+    ]);
+});
+
+gulp.task('sparkplug', function () {
+    return pump([
+        gulp.src('core/dist/sparkplug.js'),
+        gulp.dest('release')
+    ]);
+});
+
+gulp.task('core-modules', function () {
+    return pump([
+        gulp.src('core/dist/modules/**/*'),
+        copy('release', { prefix: 2 })
+    ]);
+});
+
+gulp.task('index', function () {
+    return pump([
+        file('index.js', `module.exports = require('./core.${corepkg.version}.js');`, {src: true}),
+        gulp.dest('release')
+    ]);
+});
+
+gulp.task('css-editor', function () {
+    return pump([
+        gulp.src('csseditor/dist/csseditor-release.js'),
+        rename('csseditor.js'),
+        gulp.dest('release/csseditor')
+    ]);
+});
+
+gulp.task('dependencies', function () {
+    return copydeps('.', 'release');
+});
+
+gulp.task('node-sass-bindings', function () {
+    return pump([
+        gulp.src('other/node_sass_bindings/**/*'),
+        copy('release/node_modules/node-sass/vendor', { prefix: 2 })
+    ]);
+});
+
+gulp.task('release', gulp.series(function () {
+    return del(['release/**/*']);
+}, gulp.parallel('release-package', 'client', 'core', 'sparkplug', 'core-modules', 'index', 'css-editor', gulp.series('dependencies', 'node-sass-bindings'))));

gulpfile.js

@@ -1,82 +0,0 @@
-const
-    fs = require('fs'),
-    mkdirp = require('mkdirp'),
-    gulp = require('gulp'),
-    del = require('del'),
-    pump = require('pump'),
-    merge = require('gulp-merge'),
-    copy = require('gulp-copy'),
-    rename = require('gulp-rename'),
-    inject = require('gulp-inject-string'),
-    copydeps = require('gulp-npm-copy-deps');
-
-const mainpkg = require('./package.json');
-const corepkg = require('./core/package.json');
-const clientpkg = require('./client/package.json');
-const editorpkg = require('./csseditor/package.json');
-
-const releasepkg = function() {
-    delete mainpkg.main;
-    delete mainpkg.devDependencies;
-    delete mainpkg.scripts;
-    mkdirp.sync('./release');
-    return fs.writeFileSync('./release/package.json', JSON.stringify(mainpkg, null, 2));
-};
-
-const client = function() {
-    return pump([
-        gulp.src('./client/dist/*.client-release.js'),
-        rename(`client.${clientpkg.version}.js`),
-        gulp.dest('./release')
-    ]);
-};
-
-const core = function() {
-    return pump([
-        gulp.src('./core/dist/main.js'),
-        inject.after("'use strict';\n", 'const PRODUCTION = true;\n'),
-        rename(`core.${corepkg.version}.js`),
-        gulp.dest('./release')
-    ]);
-};
-
-const sparkplug = function() {
-    return pump([
-        gulp.src('./core/dist/sparkplug.js'),
-        gulp.dest('./release')
-    ]);
-};
-
-const core_modules = function() {
-    return pump([
-        gulp.src('./core/dist/modules/**/*'),
-        copy('release/', { prefix: 2 })
-    ]);
-};
-
-const index = function() {
-    return fs.writeFileSync('./release/index.js', `module.exports = require('./core.${corepkg.version}.js');`);
-};
-
-const cssEditor = function() {
-    return pump([
-        gulp.src('./csseditor/dist/csseditor-release.js'),
-        rename('csseditor.js'),
-        gulp.dest('./release/csseditor')
-    ]);
-};
-
-const deps = function() {
-    return copydeps('./', './release');
-};
-
-const node_sass_bindings = function() {
-    return pump([
-        gulp.src('./other/node_sass_bindings/**/*'),
-        copy('release/node_modules/node-sass/vendor', { prefix: 2 })
-    ]);
-};
-
-gulp.task('release', function () {
-    return del(['./release/**/*']).then(() => merge(releasepkg(), client(), core(), sparkplug(), core_modules(), index(), cssEditor(), deps(), node_sass_bindings()));
-});

package.json

@@ -36,13 +36,13 @@
     "eslint-plugin-vue": "^4.3.0",
     "file-type": "^7.6.0",
     "filewatcher": "^3.0.1",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.0",
     "gulp-babel": "^7.0.0",
     "gulp-copy": "^1.1.0",
+    "gulp-file": "^0.4.0",
     "gulp-inject-string": "^1.1.1",
-    "gulp-merge": "^0.1.1",
+    "gulp-json-editor": "^2.4.1",
     "gulp-npm-copy-deps": "^1.0.2",
-    "gulp-plumber": "^1.2.0",
     "gulp-rename": "^1.2.2",
     "gulp-watch": "^5.0.0",
     "html-webpack-plugin": "^3.0.6",