How can I speed up Angular CLI Live Reload - 1-2 minutes per change
I have been using AngularCLI for my ng2 project and for the last few months it has been great. In the last few weeks, it seems to be getting slower and slower. If I make a simple HTML change it now takes between 1 and 2 minutes to run with "ng serve" and refresh the browser. NodeJS consumes a lot of RAM and CPU when this happens. I ran the same code and process on a new laptop next to me and it takes around 20 seconds. I am currently using CLI 1.0.0-beta.21 on Windows Home 10. I have 8 gigs ram/SSD/i7. I have tried: Deleting and reinstalling Node Modules Upgrading to latest CLI version Turning off Windows Defender (and excluding Node/and proj folder from scans) All to no avail. Here is the output: webpack: bundle is now INVALID. 6938ms building modules 72ms sealing 4ms optimizing 1ms basic module optimization 1074ms module optimization 5ms advanced module optimization 149ms basic chunk optimization 1ms chunk optimization 1ms advanced chunk optimization 702ms module and chunk tree optimization 2202ms module reviving 55ms module order optimization 71ms module id optimization 181ms chunk reviving 20ms chunk order optimization 806ms chunk id optimization 544ms hashing 7ms module assets processing 924ms chunk assets processing 45ms additional chunk assets processing 3ms recording 1ms additional asset processing 22536ms chunk asset optimization 1063ms asset optimization 545ms emitting [default] Checking started in a separate process... Hash: dedfa5a221b1992287d6 Version: webpack 2.1.0-beta.25 Time: 88912ms Asset Size Chunks Chunk Names bb73d75e8296ab5bc0a26b5d82006129.png 74.3 kB main.bundle.js 7.26 MB 0, 2 [emitted] main styles.bundle.js 43.2 kB 1, 2 styles inline.bundle.js 5.54 kB 2 inline styles.bundle.map 58.7 kB 1, 2 styles inline.bundle.map 5.6 kB 2 inline main.bundle.map 8.03 MB 0, 2 [emitted] main Child html-webpack-plugin for "index.html": Asset Size Chunks Chunk Names index.html 8.11 kB 0 webpack: bundle is now VALID.
The latest beta of Angular CLI (19-24 at the time of writing), improve the build time quite a bit too. There's also a new flag (not sure if documented) you can use --progress false which also helps (works with ng build and ng serve). There're also other flags not set for speed by default (you don't need to do anything about them) like verbose which is set to false by default. More here: https://github.com/angular/angular-cli/blob/master/packages/angular-cli/commands/serve.ts
Sorry to answer my own question, but I found a solution much to my surprise! I found this NPM Package called "ember-cli-windows" which claims to be for specific Windows machines to disable Windows Defender (although I did try this) and Indexing. I ran it and then also turned off Windows indexing completely and have now got the speed back down to 20 seconds (instead of 180). [default] Checking started in a separate process... Hash: ec2bcf489f8813c827a2 Version: webpack 2.1.0-beta.25 Time: 21055ms Asset Size Chunks Chunk Names bb73d75e8296ab5bc0a26b5d82006129.png 74.3 kB main.bundle.js 7.26 MB 0, 2 [emitted] main styles.bundle.js 43.2 kB 1, 2 styles inline.bundle.js 5.54 kB 2 inline styles.bundle.map 58.7 kB 1, 2 styles inline.bundle.map 5.6 kB 2 inline main.bundle.map 8.03 MB 0, 2 [emitted] main Child html-webpack-plugin for "index.html": Asset Size Chunks Chunk Names index.html 8.11 kB 0 webpack: bundle is now VALID.
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