From 6dfe6604129b1eff7a6991d6b4259a723181de19 Mon Sep 17 00:00:00 2001
From: Atinux <sebastien.chopin@neo9.fr>
Date: Tue, 7 Nov 2017 11:47:55 +0100
Subject: [PATCH] fix: Implement TimeFixPlugin by @egoist to avoid webpack
 rebuilds

---
 lib/builder/builder.js                |  5 +----
 lib/builder/webpack/base.config.js    |  4 ++++
 lib/builder/webpack/timefix-plugin.js | 18 ++++++++++++++++++
 3 files changed, 23 insertions(+), 4 deletions(-)
 create mode 100644 lib/builder/webpack/timefix-plugin.js

diff --git a/lib/builder/builder.js b/lib/builder/builder.js
index 38265c5ed1ef..f2edc82f9492 100644
--- a/lib/builder/builder.js
+++ b/lib/builder/builder.js
@@ -1,6 +1,6 @@
 import _ from 'lodash'
 import chokidar from 'chokidar'
-import fs, { remove, readFile, writeFile, mkdirp, utimes, existsSync } from 'fs-extra'
+import fs, { remove, readFile, writeFile, mkdirp, existsSync } from 'fs-extra'
 import hash from 'hash-sum'
 import pify from 'pify'
 import webpack from 'webpack'
@@ -366,9 +366,6 @@ export default class Builder {
       await mkdirp(dirname(path))
       // Write file
       await writeFile(path, content, 'utf8')
-      // Fix webpack loop (https://github.com/webpack/watchpack/issues/25#issuecomment-287789288)
-      const dateFS = Date.now() / 1000 - 1000
-      return utimes(path, dateFS, dateFS)
     }))
   }
 
diff --git a/lib/builder/webpack/base.config.js b/lib/builder/webpack/base.config.js
index e9546072e3a8..8072e0ff09dd 100644
--- a/lib/builder/webpack/base.config.js
+++ b/lib/builder/webpack/base.config.js
@@ -3,6 +3,7 @@ import { cloneDeep } from 'lodash'
 import { join, resolve } from 'path'
 import webpack from 'webpack'
 import { isUrl, urlJoin } from 'utils'
+import TimeFixPlugin from './timefix-plugin'
 
 /*
 |--------------------------------------------------------------------------
@@ -104,6 +105,9 @@ export default function webpackBaseConfig(name) {
     plugins: this.options.build.plugins
   }
 
+  // Add timefix-plugin before others plugins
+  config.plugins.unshift(new TimeFixPlugin())
+
   // CSS extraction
   if (this.options.build.extractCSS) {
     config.plugins.push(new ExtractTextPlugin({
diff --git a/lib/builder/webpack/timefix-plugin.js b/lib/builder/webpack/timefix-plugin.js
new file mode 100644
index 000000000000..9c16918735eb
--- /dev/null
+++ b/lib/builder/webpack/timefix-plugin.js
@@ -0,0 +1,18 @@
+// Taken from https://github.com/egoist/poi/blob/3e93c88c520db2d20c25647415e6ae0d3de61145/packages/poi/lib/webpack/timefix-plugin.js#L1-L16
+// Thanks to @egoist
+export default class TimeFixPlugin {
+  constructor(timefix = 11000) {
+    this.timefix = timefix
+  }
+
+  apply(compiler) {
+    compiler.plugin('watch-run', (watching, callback) => {
+      watching.startTime += this.timefix
+      callback()
+    })
+
+    compiler.plugin('done', stats => {
+      stats.startTime -= this.timefix
+    })
+  }
+}