Migrate server to ESM

Sorry for the very big commit that may lead to git log issues and merge
conflicts, but it's a major step forward:

 * Server can be faster at startup because imports() are async and we can
   easily lazy import big modules
 * Angular doesn't seem to support ES import (with .js extension), so we
   had to correctly organize peertube into a monorepo:
    * Use yarn workspace feature
    * Use typescript reference projects for dependencies
    * Shared projects have been moved into "packages", each one is now a
      node module (with a dedicated package.json/tsconfig.json)
    * server/tools have been moved into apps/ and is now a dedicated app
      bundled and published on NPM so users don't have to build peertube
      cli tools manually
    * server/tests have been moved into packages/ so we don't compile
      them every time we want to run the server
 * Use isolatedModule option:
   * Had to move from const enum to const
     (https://www.typescriptlang.org/docs/handbook/enums.html#objects-vs-enums)
   * Had to explictely specify "type" imports when used in decorators
 * Prefer tsx (that uses esbuild under the hood) instead of ts-node to
   load typescript files (tests with mocha or scripts):
     * To reduce test complexity as esbuild doesn't support decorator
       metadata, we only test server files that do not import server
       models
     * We still build tests files into js files for a faster CI
 * Remove unmaintained peertube CLI import script
 * Removed some barrels to speed up execution (less imports)

1 files changed, 0 insertions, 104 deletions

diff --git a/server/tests/api/transcoding/audio-only.ts b/server/tests/api/transcoding/audio-only.ts
deleted file mode 100644
index f4cc012ef..000000000
--- a/server/tests/api/transcoding/audio-only.ts
+++ /dev/null
@@ -1,104 +0,0 @@
-/* eslint-disable @typescript-eslint/no-unused-expressions,@typescript-eslint/require-await */
-
-import { expect } from 'chai'
-import { getAudioStream, getVideoStreamDimensionsInfo } from '@shared/ffmpeg'
-import {
-  cleanupTests,
-  createMultipleServers,
-  doubleFollow,
-  PeerTubeServer,
-  setAccessTokensToServers,
-  waitJobs
-} from '@shared/server-commands'
-
-describe('Test audio only video transcoding', function () {
-  let servers: PeerTubeServer[] = []
-  let videoUUID: string
-  let webVideoAudioFileUrl: string
-  let fragmentedAudioFileUrl: string
-
-  before(async function () {
-    this.timeout(120000)
-
-    const configOverride = {
-      transcoding: {
-        enabled: true,
-        resolutions: {
-          '0p': true,
-          '144p': false,
-          '240p': true,
-          '360p': false,
-          '480p': false,
-          '720p': false,
-          '1080p': false,
-          '1440p': false,
-          '2160p': false
-        },
-        hls: {
-          enabled: true
-        },
-        web_videos: {
-          enabled: true
-        }
-      }
-    }
-    servers = await createMultipleServers(2, configOverride)
-
-    // Get the access tokens
-    await setAccessTokensToServers(servers)
-
-    // Server 1 and server 2 follow each other
-    await doubleFollow(servers[0], servers[1])
-  })
-
-  it('Should upload a video and transcode it', async function () {
-    this.timeout(120000)
-
-    const { uuid } = await servers[0].videos.upload({ attributes: { name: 'audio only' } })
-    videoUUID = uuid
-
-    await waitJobs(servers)
-
-    for (const server of servers) {
-      const video = await server.videos.get({ id: videoUUID })
-      expect(video.streamingPlaylists).to.have.lengthOf(1)
-
-      for (const files of [ video.files, video.streamingPlaylists[0].files ]) {
-        expect(files).to.have.lengthOf(3)
-        expect(files[0].resolution.id).to.equal(720)
-        expect(files[1].resolution.id).to.equal(240)
-        expect(files[2].resolution.id).to.equal(0)
-      }
-
-      if (server.serverNumber === 1) {
-        webVideoAudioFileUrl = video.files[2].fileUrl
-        fragmentedAudioFileUrl = video.streamingPlaylists[0].files[2].fileUrl
-      }
-    }
-  })
-
-  it('0p transcoded video should not have video', async function () {
-    const paths = [
-      servers[0].servers.buildWebVideoFilePath(webVideoAudioFileUrl),
-      servers[0].servers.buildFragmentedFilePath(videoUUID, fragmentedAudioFileUrl)
-    ]
-
-    for (const path of paths) {
-      const { audioStream } = await getAudioStream(path)
-      expect(audioStream['codec_name']).to.be.equal('aac')
-      expect(audioStream['bit_rate']).to.be.at.most(384 * 8000)
-
-      const size = await getVideoStreamDimensionsInfo(path)
-
-      expect(size.height).to.equal(0)
-      expect(size.width).to.equal(0)
-      expect(size.isPortraitMode).to.be.false
-      expect(size.ratio).to.equal(0)
-      expect(size.resolution).to.equal(0)
-    }
-  })
-
-  after(async function () {
-    await cleanupTests(servers)
-  })
-})