Add Makefile in order to easily test this addon

.gitignore

@@ -1,5 +1,7 @@
 .vscode/
 .history
+.eslintrc.js
+project
 logs
 *.log
 npm-debug.log*
@@ -10,10 +12,12 @@ yarn-error.log
 node_modules
 build
 dist
-screenshots
 cypress/videos
 cypress/reports
+screenshots
+videos
 .env.local
 .env.development.local
 .env.test.local
 .env.production.local
+*~

.project.eslintrc.js

@@ -0,0 +1,46 @@
+const fs = require('fs');
+const path = require('path');
+
+const projectRootPath = fs.realpathSync('./project');    // __dirname
+const packageJson = require(path.join(projectRootPath, 'package.json'));
+const jsConfig = require(path.join(projectRootPath, 'jsconfig.json')).compilerOptions;
+
+const pathsConfig = jsConfig.paths;
+
+let voltoPath = path.join(projectRootPath, 'node_modules/@plone/volto');
+
+Object.keys(pathsConfig).forEach(pkg => {
+  if (pkg === '@plone/volto') {
+    voltoPath = `./${jsConfig.baseUrl}/${pathsConfig[pkg][0]}`;
+  }
+});
+const AddonConfigurationRegistry = require(`${voltoPath}/addon-registry.js`);
+const reg = new AddonConfigurationRegistry(projectRootPath);
+
+// Extends ESlint configuration for adding the aliases to `src` directories in Volto addons
+const addonAliases = Object.keys(reg.packages).map(o => [
+  o,
+  reg.packages[o].modulePath,
+]);
+
+
+module.exports = {
+  extends: `${projectRootPath}/node_modules/@plone/volto/.eslintrc`,
+  settings: {
+    'import/resolver': {
+      alias: {
+        map: [
+          ['@plone/volto', '@plone/volto/src'],
+          ...addonAliases,
+          ['@package', `${__dirname}/src`],
+          ['~', `${__dirname}/src`],
+        ],
+        extensions: ['.js', '.jsx', '.json'],
+      },
+      'babel-plugin-root-import': {
+        rootPathSuffix: 'src',
+      },
+    },
+  },
+};
+

Makefile

@@ -0,0 +1,39 @@
+SHELL=/bin/bash
+
+DIR=$(shell basename $$(pwd))
+ADDON ?= "@eeacms/volto-accordion-block"
+
+# We like colors
+# From: https://coderwall.com/p/izxssa/colored-makefile-for-golang-projects
+RED=`tput setaf 1`
+GREEN=`tput setaf 2`
+RESET=`tput sgr0`
+YELLOW=`tput setaf 3`
+
+project:
+	npm install -g yo
+	npm install -g @plone/generator-volto
+	npm install -g mrs-developer
+	yo @plone/volto project --addon ${ADDON} --workspace "src/addons/${DIR}" --no-interactive
+	ln -sf $$(pwd) project/src/addons/
+	cp .project.eslintrc.js .eslintrc.js
+	cd project && yarn
+	@echo "-------------------"
+	@echo "$(GREEN)Volto project is ready!$(RESET)"
+	@echo "$(RED)Now run: cd project && yarn start$(RESET)"
+
+all: project
+
+.PHONY: start-test-backend
+start-test-backend: ## Start Test Plone Backend
+	@echo "$(GREEN)==> Start Test Plone Backend$(RESET)"
+	docker run -i --rm -e ZSERVER_HOST=0.0.0.0 -e ZSERVER_PORT=55001 -p 55001:55001 -e SITE=plone -e APPLY_PROFILES=plone.app.contenttypes:plone-content,plone.restapi:default,kitconcept.volto:default-homepage -e CONFIGURE_PACKAGES=plone.app.contenttypes,plone.restapi,kitconcept.volto,kitconcept.volto.cors -e ADDONS='plone.app.robotframework plone.app.contenttypes plone.restapi kitconcept.volto' plone ./bin/robot-server plone.app.robotframework.testing.PLONE_ROBOT_TESTING
+
+.PHONY: start-backend-docker
+start-backend-docker:		## Starts a Docker-based backend
+	@echo "$(GREEN)==> Start Docker-based Plone Backend$(RESET)"
+	docker run -it --rm --name=plone -p 8080:8080 -e SITE=Plone -e ADDONS="kitconcept.volto" -e ZCML="kitconcept.volto.cors" plone
+
+.PHONY: help
+help:		## Show this help.
+	@echo -e "$$(grep -hE '^\S+:.*##' $(MAKEFILE_LIST) | sed -e 's/:.*##\s*/:/' -e 's/^\(.\+\):\(.*\)/\\x1b[36m\1\\x1b[m:\2/' | column -c2 -t -s :)"

package.json

@@ -23,7 +23,7 @@
   "dependencies": {},
   "scripts": {
     "release": "release-it",
-    "bootstrap": "node bootstrap",
+    "bootstrap": "npm install -g ejs; npm link ejs; node bootstrap",
     "stylelint": "../../../node_modules/stylelint/bin/stylelint.js --allow-empty-input 'src/**/*.{css,less}'",
     "stylelint:overrides": "../../../node_modules/.bin/stylelint --syntax less --allow-empty-input 'theme/**/*.overrides' 'src/**/*.overrides'",
     "stylelint:fix": "yarn stylelint --fix && yarn stylelint:overrides --fix",