Update eslint to ecmaVersion 2020 and fix linter

.eslintrc

@@ -1,6 +1,6 @@
 {
   "parserOptions": {
-    "ecmaVersion": 6,
+    "ecmaVersion": 2020,
     "sourceType": "module",
     "ecmaFeatures": {
       "jsx": true

generators/_init-hybrid/index.js

@@ -38,7 +38,7 @@ class Generator extends Base {
 
   default() {
     const types = this.config.get('type').split('-');
-    this.composeWith(['phovea:_node', 'phovea:init-' + types[1], 'phovea:init-' + types[0]], {options: this.options, isWorkspace: this.options.isWorkspace})
+    this.composeWith(['phovea:_node', 'phovea:init-' + types[1], 'phovea:init-' + types[0]], {options: this.options, isWorkspace: this.options.isWorkspace});
   }
 
   end() {

generators/_init-web/index.js

@@ -144,7 +144,7 @@ class Generator extends Base {
 
   install() {
     if (this.options.options.install) {
-      const options = this.cwd ? {cwd: this.cwd} : {}
+      const options = this.cwd ? {cwd: this.cwd} : {};
       this.spawnCommand("npm", ["install"], options);
     }
   }

generators/_init-web/templates/plain/jest.config.js

@@ -46,4 +46,4 @@ module.exports = {
   moduleNameMapper: {
     "^.+\\.(css|less|scss|sass|png|jpg|gif|svg)$": "identity-obj-proxy"
   }
-}
+};

generators/add-extension/index.js

@@ -104,13 +104,13 @@ class Generator extends Base {
     try {
       if (path) {
         const config = this.fs.readJSON(this.destinationPath(path + '.yo-rc.json'), {})[GENERATOR_PHOVEA_CONFIG];
-        return config[key]
+        return config[key];
 
       } else {
         return this.config.get(key);
       }
     } catch (e) {
-      throw new Error(chalk.red('Invalid `yo-rc.json` file in ' + path))
+      throw new Error(chalk.red('Invalid `yo-rc.json` file in ' + path));
     }
   }
 

generators/init-product/templates/plain/build.js

@@ -639,7 +639,7 @@ function showWebDependencies(p) {
   // `npm ls` fails if some peerDependencies are not installed
   // since this function is for debug purposes only, we catch possible errors of `npm()` and resolve it with status code `0`.
   return npm(p.additional.length > 0 ? p.tmpDir : (`${p.tmpDir}/${p.name}`), 'list --depth=1')
-    .catch(() => Promise.resolve(0)) // status code = 0
+    .catch(() => Promise.resolve(0)); // status code = 0
 }
 
 function cleanUpWebDependencies(p) {
@@ -682,7 +682,7 @@ function installPythonTestDependencies(p) {
 function showPythonTestDependencies(p) {
   // since this function is for debug purposes only, we catch possible errors and resolve it with status code `0`.
   return spawn('pip', 'list', {cwd: p.tmpDir})
-    .catch(() => Promise.resolve(0)) // status code = 0
+    .catch(() => Promise.resolve(0)); // status code = 0
 }
 
 function buildServer(p) {

generators/setup-workspace/index.js

@@ -161,7 +161,7 @@ class Generator extends Base {
       stdio: 'inherit' // log output and error of spawned process to host process
     }, cwd || {});
 
-    this.log(`\nRunning: ${cmd} ${argline}\n`)
+    this.log(`\nRunning: ${cmd} ${argline}\n`);
     return this.spawnCommandSync(cmd, Array.isArray(argline) ? argline : argline.split(' '), options);
   }
 

test/utils-version.test.js

@@ -8,7 +8,7 @@ describe('check isGitCommit()', () => {
   });
 
   it('check `8747a43780e4651542facd7b4feac7bcb8e3778d` === true', () => {
-    expect(version.isGitCommit('8747a43780e4651542facd7b4feac7bcb8e3778d')).toBeTruthy()
+    expect(version.isGitCommit('8747a43780e4651542facd7b4feac7bcb8e3778d')).toBeTruthy();
   });
 
   it('check `develop` === false', () => {

utils/version.js

@@ -8,7 +8,7 @@ const {
 
 module.exports.mergeVersions = (name, versions) => {
   if (versions.some((v) => v === 'latest')) {
-    throw new Error(chalk.red('Invalid version. Please avoid using version latest in package.json.'))
+    throw new Error(chalk.red('Invalid version. Please avoid using version latest in package.json.'));
   }
   // create set
   versions = Array.from(new Set(versions));
@@ -24,7 +24,7 @@ module.exports.mergeVersions = (name, versions) => {
     return intersect(...versions).toString();
   } catch (e) {
     // map to base version, sort descending take first
-    const max = findMaxVersion(versions)
+    const max = findMaxVersion(versions);
     console.warn(`cannot find common intersecting version for ${name} = ${versions.join(', ')}, taking max "${max}" for now`);
     return max.toString();
   }
@@ -71,7 +71,7 @@ function findMaxRange(tildeRange, caretRange) {
  * @returns {string} Return a version string without the range tags (tilde, caret).
  */
 function removeRangeTag(range) {
-  return semver.prerelease(semver.minVersion(range)) ? semver.minVersion(range) : semver.coerce(range).version
+  return semver.prerelease(semver.minVersion(range)) ? semver.minVersion(range) : semver.coerce(range).version;
 }
 
 /**