From 06aad80165d09a8863ab8103149a8ff518b10641 Mon Sep 17 00:00:00 2001
From: lutangar <johan.dufour@gmail.com>
Date: Tue, 2 Nov 2021 19:11:20 +0100
Subject: chore(refactor): remove shared folder dependencies to the server

Many files from the `shared` folder were importing files from the `server` folder.
When attempting to use Typescript project references to describe dependencies,
it highlighted a circular dependency beetween `shared` <-> `server`.

The Typescript project forbid such usages.
Using project references greatly improve performance by rebuilding only
the updated project and not all source files.
> see https://www.typescriptlang.org/docs/handbook/project-references.html
---
 shared/core-utils/crypto.ts | 14 ++++++++++++++
 shared/core-utils/index.ts  |  2 ++
 shared/core-utils/path.ts   | 34 ++++++++++++++++++++++++++++++++++
 shared/core-utils/uuid.ts   | 32 ++++++++++++++++++++++++++++++++
 4 files changed, 82 insertions(+)
 create mode 100644 shared/core-utils/crypto.ts
 create mode 100644 shared/core-utils/path.ts
 create mode 100644 shared/core-utils/uuid.ts

(limited to 'shared/core-utils')

diff --git a/shared/core-utils/crypto.ts b/shared/core-utils/crypto.ts
new file mode 100644
index 000000000..d6d1150d0
--- /dev/null
+++ b/shared/core-utils/crypto.ts
@@ -0,0 +1,14 @@
+import { BinaryToTextEncoding, createHash } from 'crypto'
+
+function sha256 (str: string | Buffer, encoding: BinaryToTextEncoding = 'hex') {
+  return createHash('sha256').update(str).digest(encoding)
+}
+
+function sha1 (str: string | Buffer, encoding: BinaryToTextEncoding = 'hex') {
+  return createHash('sha1').update(str).digest(encoding)
+}
+
+export {
+  sha256,
+  sha1
+}
diff --git a/shared/core-utils/index.ts b/shared/core-utils/index.ts
index e0a6a8087..ee5cd4412 100644
--- a/shared/core-utils/index.ts
+++ b/shared/core-utils/index.ts
@@ -1,8 +1,10 @@
 export * from './abuse'
 export * from './common'
 export * from './i18n'
+export * from './path'
 export * from './plugins'
 export * from './renderer'
 export * from './users'
 export * from './utils'
 export * from './videos'
+export * from './uuid'
diff --git a/shared/core-utils/path.ts b/shared/core-utils/path.ts
new file mode 100644
index 000000000..b1a45d69b
--- /dev/null
+++ b/shared/core-utils/path.ts
@@ -0,0 +1,34 @@
+import { basename, extname, isAbsolute, join, resolve } from 'path'
+
+let rootPath: string
+
+function root () {
+  if (rootPath) return rootPath
+
+  rootPath = __dirname
+
+  if (basename(rootPath) === 'core-utils') rootPath = resolve(rootPath, '..')
+  if (basename(rootPath) === 'shared') rootPath = resolve(rootPath, '..')
+  if (basename(rootPath) === 'server') rootPath = resolve(rootPath, '..')
+  if (basename(rootPath) === 'dist') rootPath = resolve(rootPath, '..')
+
+  return rootPath
+}
+
+function buildPath (path: string) {
+  if (isAbsolute(path)) return path
+
+  return join(root(), path)
+}
+
+function getLowercaseExtension (filename: string) {
+  const ext = extname(filename) || ''
+
+  return ext.toLowerCase()
+}
+
+export {
+  root,
+  buildPath,
+  getLowercaseExtension
+}
diff --git a/shared/core-utils/uuid.ts b/shared/core-utils/uuid.ts
new file mode 100644
index 000000000..f3c80e046
--- /dev/null
+++ b/shared/core-utils/uuid.ts
@@ -0,0 +1,32 @@
+import short, { uuid } from 'short-uuid'
+
+const translator = short()
+
+function buildUUID () {
+  return uuid()
+}
+
+function uuidToShort (uuid: string) {
+  if (!uuid) return uuid
+
+  return translator.fromUUID(uuid)
+}
+
+function shortToUUID (shortUUID: string) {
+  if (!shortUUID) return shortUUID
+
+  return translator.toUUID(shortUUID)
+}
+
+function isShortUUID (value: string) {
+  if (!value) return false
+
+  return value.length === translator.maxLength
+}
+
+export {
+  buildUUID,
+  uuidToShort,
+  shortToUUID,
+  isShortUUID
+}
-- 
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