From 1e59ca3bace6e9fbe53b1c9354cecb7604ce285b Mon Sep 17 00:00:00 2001
From: BRAINS YUM <43896676+McFlat@users.noreply.github.com>
Date: Sun, 14 Oct 2018 12:48:08 -0500
Subject: add REPL in server/tools/repl.ts (#1248)

---
 support/doc/tools.md | 131 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)

(limited to 'support')

diff --git a/support/doc/tools.md b/support/doc/tools.md
index 8efb0c13d..0df8c9f6c 100644
--- a/support/doc/tools.md
+++ b/support/doc/tools.md
@@ -206,3 +206,134 @@ To fix this, you have to run:
 ```
 $ sudo -u peertube NODE_CONFIG_DIR=/var/www/peertube/config NODE_ENV=production npm run update-host
 ```
+
+### REPL ([Read Eval Print Loop](https://nodejs.org/docs/latest-v8.x/api/repl.html))
+
+If you want to interact with the application libraries and objects, there is a REPL for that.
+
+usage: `node ./dist/server/tools/repl.js`
+
+"The default evaluator will, by default, assign the result of the most recently evaluated expression to the special variable `_` (underscore). Explicitly setting `_` to a value will disable this behavior."
+
+- type `.help` to list commands available in the repl, notice it starts with a dot
+- type `.exit` to exit, note that you still have to press CTRL-C to actually exit, or press CTRL-C (3 times) without typing `.exit` to exit
+- type `context` to list all available objects and libraries in the context, note: `Promise` is also available but it's not listed in the context, in case you need promises for something
+- type `env` to see the loaded environment variables
+- type `path` to access path library
+- type `lodash` to access lodash library
+- type `uuidv1` to access uuid/v1 library
+- type `uuidv3` to access uuid/v3 library
+- type `uuidv4` to access uuid/v4 library
+- type `uuidv5` to access uuid/v5 library
+- type `YoutubeDL` to access youtube-dl library
+- type `cli` to access the cli helpers object
+- type `logger` to access the logger; if you log to it, it will write to stdout and to the peertube.log file
+- type `constants` to access the constants loaded by the server
+- type `coreUtils` to access the core-utils helpers object
+- type `ffmpegUtils` to access the ffmpeg-utils helpers object
+- type `peertubeCryptoUtils` to access the peertube-crypto helpers object
+- type `signupUtils` to access the signup helpers object
+- type `utils` to access the utils helpers object
+- type `YoutubeDLUtils` to access the youtube-dl helpers object
+- type `sequelizeTypescript` to access sequelizeTypescript
+- type `modelsUtils` to access the models/utils
+- type `models` to access the shortcut to sequelizeTypescript.models
+- type `transaction` to access the shortcut to sequelizeTypescript.transaction
+- type `query` to access the shortcut to sequelizeTypescript.query
+- type `queryInterface` to access the shortcut to sequelizeTypescript.queryInterface
+
+#### .help
+
+```
+PeerTube [1.0.0] (b10eb595)> .help
+.break    Sometimes you get stuck, this gets you out
+.clear    Break, and also clear the local context
+.editor   Enter editor mode
+.exit     Exit the repl
+.help     Print this help message
+.load     Load JS from a file into the REPL session
+.r        Reset REPL
+.reset    Reset REPL
+.save     Save all evaluated commands in this REPL session to a file
+PeerTube [1.0.0] (b10eb595)>
+```
+
+#### Lodash example
+
+```
+PeerTube [1.0.0] (b10eb595)> lodash.keys(context)
+[ 'global',
+  'console',
+  'DTRACE_NET_SERVER_CONNECTION',
+  'DTRACE_NET_STREAM_END',
+  'DTRACE_HTTP_SERVER_REQUEST',
+  'DTRACE_HTTP_SERVER_RESPONSE',
+  'DTRACE_HTTP_CLIENT_REQUEST',
+  'DTRACE_HTTP_CLIENT_RESPONSE',
+  'process',
+  'Buffer',
+  'clearImmediate',
+  'clearInterval',
+  'clearTimeout',
+  'setImmediate',
+  'setInterval',
+  'setTimeout',
+  'XMLHttpRequest',
+  'compact2string',
+  'module',
+  'require',
+  'path',
+  'repl',
+  'context',
+  'env',
+  'lodash',
+  'uuidv1',
+  'uuidv3',
+  'uuidv4',
+  'uuidv5',
+  'cli',
+  'logger',
+  'constants',
+  'Sequelize',
+  'sequelizeTypescript',
+  'modelsUtils',
+  'models',
+  'transaction',
+  'query',
+  'queryInterface',
+  'YoutubeDL',
+  'coreUtils',
+  'ffmpegUtils',
+  'peertubeCryptoUtils',
+  'signupUtils',
+  'utils',
+  'YoutubeDLUtils' ]
+PeerTube [1.0.0] (b10eb595)>
+```
+
+#### YoutubeDL example
+```
+YoutubeDL.getInfo('https://www.youtube.com/watch?v=I5ZN289jjDo', function(err, data) {console.log(err, data)})
+```
+
+#### Models examples
+```
+PeerTube [1.0.0] (b10eb595)> new models.ActorModel({id: 3}).getVideoChannel().then(function(data){console.log(data.dataValues.name)})
+Promise {
+  _bitField: 0,
+  _fulfillmentHandler0: undefined,
+  _rejectionHandler0: undefined,
+  _promise0: undefined,
+  _receiver0: undefined }
+PeerTube [1.0.0] (b10eb595)> Main root channel
+PeerTube [1.0.0] (b10eb595)> let out; new models.UserModel({id: 1}).getAccount().then(function (data) {out = data.dataValues.id})
+Promise {
+  _bitField: 0,
+  _fulfillmentHandler0: undefined,
+  _rejectionHandler0: undefined,
+  _promise0: undefined,
+  _receiver0: undefined }
+PeerTube [1.0.0] (b10eb595)> out
+2
+PeerTube [1.0.0] (b10eb595)>
+```
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