From 0c344d845c1b6d51c7194675949527fd3278a47d Mon Sep 17 00:00:00 2001
From: Pedro Nauck <pedronauck@gmail.com>
Date: Fri, 7 Sep 2018 02:04:32 -0300
Subject: [PATCH] fix(docz-core): chokidar performance improvements

---
 packages/docz-core/src/DataServer.ts     | 5 ++++-
 packages/docz-core/src/states/config.ts  | 5 ++++-
 packages/docz-core/src/states/entries.ts | 6 +++++-
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/packages/docz-core/src/DataServer.ts b/packages/docz-core/src/DataServer.ts
index 7dce81331..3fa30d0ef 100644
--- a/packages/docz-core/src/DataServer.ts
+++ b/packages/docz-core/src/DataServer.ts
@@ -67,7 +67,10 @@ export class DataServer {
     if (this.server) {
       this.server.on('connection', socket => {
         const close = this.handleConnection(socket)
-        this.server && this.server.on('close', async () => close())
+
+        this.server!.on('close', async () => {
+          await close()
+        })
       })
     }
   }
diff --git a/packages/docz-core/src/states/config.ts b/packages/docz-core/src/states/config.ts
index 03b146a5d..516a7f3e1 100644
--- a/packages/docz-core/src/states/config.ts
+++ b/packages/docz-core/src/states/config.ts
@@ -44,8 +44,11 @@ const updateConfig = (config: Config) => async (p: Params) => {
 export const state = (config: Config): State => ({
   init: updateConfig(config),
   update: async params => {
-    const watcher = chokidar.watch(finds('docz'))
     const update = updateConfig(config)
+    const watcher = chokidar.watch(finds('docz'), {
+      cwd: paths.root,
+      persistent: true,
+    })
 
     watcher.on('add', async () => update(params))
     watcher.on('change', async () => update(params))
diff --git a/packages/docz-core/src/states/entries.ts b/packages/docz-core/src/states/entries.ts
index ed5449351..94d64fb08 100644
--- a/packages/docz-core/src/states/entries.ts
+++ b/packages/docz-core/src/states/entries.ts
@@ -27,8 +27,12 @@ const updateEntries = (entries: Entries) => async (p: Params) => {
 
 export const state = (config: Config): State => {
   const entries = new Entries(config)
-  const watcher = chokidar.watch(config.files, {
+  const src = path.relative(paths.root, config.src)
+  const files = path.join(src, config.files)
+  const watcher = chokidar.watch(files, {
+    cwd: paths.root,
     ignored: /(^|[\/\\])\../,
+    persistent: true,
   })
 
   return {