feat: Volto 17 support - refs #264527

.env

@@ -0,0 +1,3 @@
+# Jest configuration variables
+# - possible values: ON, OFF
+JEST_USE_SETUP=OFF

.eslintrc.js

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+const fs = require('fs');
+const path = require('path');
+const projectRootPath = fs.realpathSync(__dirname + '/../../../');
+
+let voltoPath = path.join(projectRootPath, 'node_modules/@plone/volto');
+let configFile;
+if (fs.existsSync(`${projectRootPath}/tsconfig.json`))
+  configFile = `${projectRootPath}/tsconfig.json`;
+else if (fs.existsSync(`${projectRootPath}/jsconfig.json`))
+  configFile = `${projectRootPath}/jsconfig.json`;
+
+if (configFile) {
+  const jsConfig = require(configFile).compilerOptions;
+  const pathsConfig = jsConfig.paths;
+  if (pathsConfig['@plone/volto'])
+    voltoPath = `./${jsConfig.baseUrl}/${pathsConfig['@plone/volto'][0]}`;
+}
+
+const AddonConfigurationRegistry = require(`${voltoPath}/addon-registry.js`);
+const reg = new AddonConfigurationRegistry(projectRootPath);
+
+// Extends ESlint configuration for adding the aliases to `src` directories in Volto addons
+const addonAliases = Object.keys(reg.packages).map((o) => [
+  o,
+  reg.packages[o].modulePath,
+]);
+
+const addonExtenders = reg.getEslintExtenders().map((m) => require(m));
+
+const defaultConfig = {
+  extends: `${voltoPath}/.eslintrc`,
+  settings: {
+    'import/resolver': {
+      alias: {
+        map: [
+          ['@plone/volto', '@plone/volto/src'],
+          ['@plone/volto-slate', '@plone/volto/packages/volto-slate/src'],
+          ...addonAliases,
+          ['@package', `${__dirname}/src`],
+          ['@root', `${__dirname}/src`],
+          ['~', `${__dirname}/src`],
+        ],
+        extensions: ['.js', '.jsx', '.json'],
+      },
+      'babel-plugin-root-import': {
+        rootPathSuffix: 'src',
+      },
+    },
+  },
+  rules: {
+    'react/jsx-no-target-blank': [
+      'error',
+      {
+        allowReferrer: true,
+      },
+    ],
+  }
+};
+
+const config = addonExtenders.reduce(
+  (acc, extender) => extender.modify(acc),
+  defaultConfig,
+);
+
+module.exports = config;

.gitignore

@@ -1,6 +1,5 @@
 .vscode/
 .history
-.eslintrc.js
 .nyc_output
 project
 coverage