implement card reference widget, fix DeckIcon.vue

bring back eslint and stylelint on compilation, fix almost all warnings, ignore some

Signed-off-by: Julien Veyssier <eneiluj@posteo.net>

webpack.js

@@ -1,5 +1,10 @@
 const webpackConfig = require('@nextcloud/webpack-vue-config')
 const path = require('path')
+const ESLintPlugin = require('eslint-webpack-plugin')
+const StyleLintPlugin = require('stylelint-webpack-plugin')
+
+const buildMode = process.env.NODE_ENV
+const isDev = buildMode === 'development'
 
 webpackConfig.entry = {
 	...webpackConfig.entry,
@@ -7,6 +12,7 @@ webpackConfig.entry = {
 	dashboard: path.join(__dirname, 'src', 'init-dashboard.js'),
 	calendar: path.join(__dirname, 'src', 'init-calendar.js'),
 	talk: path.join(__dirname, 'src', 'init-talk.js'),
+	'card-reference': path.join(__dirname, 'src', 'init-card-reference.js'),
 }
 
 webpackConfig.stats = {
@@ -17,4 +23,18 @@ webpackConfig.stats = {
 	modules: true,
 }
 
+webpackConfig.plugins.push(
+	new ESLintPlugin({
+		extensions: ['js', 'vue'],
+		files: 'src',
+		failOnError: !isDev,
+	})
+)
+webpackConfig.plugins.push(
+	new StyleLintPlugin({
+		files: 'src/**/*.{css,scss,vue}',
+		failOnError: !isDev,
+	}),
+)
+
 module.exports = webpackConfig