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startup time speedup

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This commit is contained in:
Eugene Pankov 2018-08-24 23:48:20 +02:00
parent 627d7402ca
commit 46d8533fee
4 changed files with 18 additions and 0 deletions
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15
app/lru.js Normal file
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@ -0,0 +1,15 @@
var lru = require('lru-cache')({max: 256, maxAge: 250/*ms*/});
var fs = require('fs');
var origLstat = fs.realpathSync.bind(fs);
console.log('s')
// NB: The biggest offender of thrashing realpathSync is the node module system
// itself, which we can't get into via any sane means.
require('fs').realpathSync = function(p) {
let r = lru.get(p);
if (r) return r;
r = origLstat(p);
lru.set(p, r);
return r;
};

1
app/main.js
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@ -1,3 +1,4 @@
require('./lru.js')
if (process.platform == 'win32' && require('electron-squirrel-startup')) process.exit(0)
const electron = require('electron')

1
app/src/entry.preload.ts
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@ -1,3 +1,4 @@
import '../lru.js'
import 'source-sans-pro'
import 'font-awesome/css/font-awesome.css'
import 'ngx-toastr/toastr.css'

1
app/webpack.config.js
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@ -64,6 +64,7 @@ module.exports = {
'child_process': 'commonjs child_process',
'electron': 'commonjs electron',
'electron-is-dev': 'commonjs electron-is-dev',
'fs': 'commonjs fs',
'ngx-toastr': 'commonjs ngx-toastr',
'module': 'commonjs module',
'mz': 'commonjs mz',