feat: migrating flow to typescript (#47)

This PR convert the code base to Typescript, the changes are the following:

- migrate code base to Typescript (3.4.x)
- enable `eslint` and `@typescript-eslint/eslint-plugin` (warnings still need to be addressed in future pull request
- update relevant dependencies for this PR (linting, etc)
- enable `bundlezise` (it was disabled for some reason)

* refactor: refactoring to typescript

* refactor: migrating to typescript

* refactor: applied feedbacks

* fix: fixed conflicts

* refactored: changed registry

* refactor: updated registry & removed unnecessary lib

* fix: fixed registry ur

* fix: fixed page load

* refactor: refactored footer wip

* refactor: converting to ts..wip

* refactor: converting to ts. wip

* refactor: converting to ts. wip

* refactor: converting to ts

* refactor: converting to ts

* fix: fixed load errors

* refactor: converted files to ts

* refactor: removed flow from tests

* fix: removed transpiled files

* refactor: added ts-ignore

* fix: fixed errors

* fix: fixed types

* fix: fixing jest import -.-

* fix: fixing lint errors

* fix: fixing lint errors

* fix: fixed lint errors

* refactor: removed unnecessary tsconfig's config

* fix: fixing errors

* fix: fixed warning

* fix: fixed test

* refactor: wip

* refactor: wip

* refactor: wip

* fix: fixing tests: wip

* wip

* wip

* fix: fixed search test

* wip

* fix: fixing lint errors

* fix: re-added stylelint

* refactor: updated stylelint script

* fix: fixed: 'styles.js'  were found.

* fix: fixed Search tests

* chore: enable eslint

eslint needs expecitely to know which file has to lint, by default is JS, in this case we need also ts,tsx files eslint . --ext .js,.ts

* chore: vcode eslint settings

* chore: restore eslint previous conf

* chore: clean jest config

* chore: fix eslint warnings

* chore: eslint errors cleared

chore: clean warnings

chore: remove github actions test phases

chore: remove dupe rule

* chore: update handler name

* chore: restore logo from img to url css prop

- loading images with css is more performant than using img html tags, switching this might be a breaking change
- restore no-empty-source seems the linting do not accept false
- update snapshots
- remove @material-ui/styles

* chore: update stylelint linting

* chore: update stylelint linting

* chore: fix a mistake on move tabs to a function

* chore: eanble bundlezie

* chore: use default_executor in circleci

* chore: update readme

tools/webpack.dev.config.babel.js

@@ -2,7 +2,7 @@ import webpack from 'webpack';
 import HTMLWebpackPlugin from 'html-webpack-plugin';
 import FriendlyErrorsPlugin from 'friendly-errors-webpack-plugin';
 import baseConfig from './webpack.config';
-import env from '../src/config/env';
+import env from '../config/env';
 import StyleLintPlugin from 'stylelint-webpack-plugin';
 import getPackageJson from './getPackageJson';
 
@@ -17,7 +17,7 @@ export default {
       'react-hot-loader/patch',
       'webpack-dev-server/client?http://localhost:4872',
       'webpack/hot/only-dev-server',
-      `${env.SRC_ROOT}/webui/index.js`,
+      `${env.SRC_ROOT}/index.tsx`,
     ],
   },
 
@@ -34,13 +34,15 @@ export default {
       __APP_VERSION__: `"${getPackageJson('version')}"`,
     }),
     new HTMLWebpackPlugin({
-      __UI_OPTIONS: JSON.stringify({base: '/'}),
+      __UI_OPTIONS: JSON.stringify({
+        base: '/',
+      }),
       title: 'Verdaccio Dev UI',
       scope: '',
       logo: 'https://verdaccio.org/img/logo/symbol/svg/verdaccio-tiny.svg',
       filename: 'index.html',
       verdaccioURL: '//localhost:8080',
-      template: `${env.SRC_ROOT}/webui/template/index.html`,
+      template: `${env.SRC_ROOT}/template/index.html`,
       debug: true,
       inject: true,
     }),
@@ -48,9 +50,9 @@ export default {
     new webpack.NoEmitOnErrorsPlugin(),
     new FriendlyErrorsPlugin(),
     new StyleLintPlugin({
-      files: ['src/webui/**/styles.js'],
+      files: ['src/**/styles.ts'],
       failOnError: false,
-      emitErrors: false
+      emitErrors: false,
     }),
   ],
 };