drop rsvp and fs-extra dependencies

.npmignore

@@ -37,3 +37,4 @@
 /package.json.ember-try
 /package-lock.json.ember-try
 /yarn.lock.ember-try
+/node-tests

blueprints/ember-bootstrap-power-select/index.js

@@ -1,10 +1,9 @@
 /* eslint-env node */
 'use strict';
 
-const rsvp = require('rsvp');
-const fs = require('fs-extra');
+const fs = require('node:fs');
+const fsPromises = require('node:fs/promises');
 const path = require('path');
-const writeFile = rsvp.denodeify(fs.writeFile);
 const BuildConfigEditor = require('ember-cli-build-config-editor');
 const chalk = require('chalk');
 
@@ -54,7 +53,7 @@ module.exports = {
       });
     } else {
       this.ui.writeLine(`Created ${file}`);
-      return writeFile(file, importStatement);
+      return fsPromises.writeFile(file, importStatement);
     }
   },
 

node-tests/blueprints/ember-bootstrap-power-select-test.js

@@ -0,0 +1,45 @@
+/* eslint-env node, mocha */
+const {
+  setupTestHooks,
+  emberNew,
+  emberGenerate,
+  emberDestroy,
+  modifyPackages,
+} = require('ember-cli-blueprint-test-helpers/helpers');
+
+const { expect, file } = require('ember-cli-blueprint-test-helpers/chai');
+
+describe('Acceptance: ember generate and destroy ember-bootstrap-power-select', function () {
+  // create and destroy temporary working directories
+  setupTestHooks(this);
+
+  it('ember-bootstrap-power-select foo', function () {
+    const args = ['ember-bootstrap-power-select', 'foo'];
+
+    // create a new Ember.js app in the working directory
+    return emberNew()
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file('ember-cli-build.js')).to.contain('ember-power-select');
+      })
+      .then(() => emberDestroy(args));
+  });
+});
+
+describe('Acceptance: ember generate and destroy ember-bootstrap-power-select with style preprocessor', function () {
+  setupTestHooks(this);
+
+  it('ember-bootstrap-power-select foo with style preprocessor', function () {
+    const args = ['ember-bootstrap-power-select', 'foo'];
+
+    return emberNew()
+      .then(() => modifyPackages([{ name: 'ember-cli-sass' }]))
+      .then(() => emberGenerate(args))
+      .then(() => {
+        expect(file('app/styles/app.scss')).to.contain(
+          'ember-power-select/themes/bootstrap'
+        );
+      })
+      .then(() => emberDestroy(args));
+  });
+});

package.json

@@ -25,15 +25,14 @@
     "start": "ember server",
     "test": "concurrently \"npm:lint\" \"npm:test:*\" --names \"lint,test:\"",
     "test:ember": "ember test",
-    "test:ember-compatibility": "ember try:each"
+    "test:ember-compatibility": "ember try:each",
+    "test:blueprint": "mocha node-tests --recursive"
   },
   "dependencies": {
-    "chalk": "^5.0.0",
+    "chalk": "^4.1.2",
     "ember-cli-babel": "^7.26.11",
     "ember-cli-build-config-editor": "^0.5.0",
-    "ember-cli-htmlbars": "^6.2.0",
-    "fs-extra": "^11.0.0",
-    "rsvp": "^4.0.1"
+    "ember-cli-htmlbars": "^6.2.0"
   },
   "devDependencies": {
     "@ember/optional-features": "2.0.0",
@@ -49,6 +48,7 @@
     "ember-auto-import": "2.6.3",
     "ember-bootstrap": "5.1.1",
     "ember-cli": "4.12.1",
+    "ember-cli-blueprint-test-helpers": "^0.19.2",
     "ember-cli-dependency-checker": "3.3.1",
     "ember-cli-inject-live-reload": "2.1.0",
     "ember-cli-sri": "2.1.1",
@@ -69,6 +69,7 @@
     "eslint-plugin-prettier": "4.2.1",
     "eslint-plugin-qunit": "7.3.4",
     "loader.js": "4.7.0",
+    "mocha": "^5.0.0",
     "prettier": "2.8.8",
     "qunit": "2.19.4",
     "qunit-dom": "2.0.0",