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Update docs with info-verbosity option #1817

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merged 4 commits into from
Feb 23, 2018
Merged

Update docs with info-verbosity option #1817

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39e2ae5
Update docs with info-verbosity option
EugeneHlushko Feb 2, 2018
2bcc458
Update docs with info-verbosity option: add usage example
EugeneHlushko Feb 2, 2018
32695ef
ProfilingPlugin: add to the docs: Contributor listing
EugeneHlushko Feb 22, 2018
a05ba3d
docs(config): update grammar and formatting
skipjack Feb 23, 2018
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17 changes: 17 additions & 0 deletions src/content/configuration/watch.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,10 +5,12 @@ contributors:
- sokra
- skipjack
- SpaceK33z
- EugeneHlushko
---

webpack can watch files and recompile whenever they change. This page explains how to enable this and a couple of tweaks you can make if watching does not work properly for you.


## `watch`

`boolean`
Expand All @@ -21,6 +23,7 @@ watch: false

T> In webpack-dev-server and webpack-dev-middleware watch mode is enabled by default.


## `watchOptions`

`object`
Expand All @@ -34,6 +37,7 @@ watchOptions: {
}
```


## `watchOptions.aggregateTimeout`

`number`
Expand All @@ -44,6 +48,7 @@ Add a delay before rebuilding once the first file changed. This allows webpack t
aggregateTimeout: 300 // The default
```


## `watchOptions.ignored`

For some systems, watching many file systems can result in a lot of CPU or memory usage. It is possible to exclude a huge folder like `node_modules`:
Expand All @@ -58,6 +63,7 @@ It is also possible to use [anymatch](https://github.com/es128/anymatch) pattern
ignored: "files/**/*.js"
```


## `watchOptions.poll`

`boolean` `number`
Expand All @@ -71,6 +77,17 @@ poll: 1000 // Check for changes every second
T> If watching does not work for you, try out this option. Watching does not work with NFS and machines in VirtualBox.


## `info-verbosity`

`string`: `none` `info` `verbose`

Controls verbosity of the lifecycle messaging, e.g. the `Started watching files...` log. Setting `info-verbosity` to `verbose` will also message to console at the beginning and the end of incremental build. `info-verbosity` is set to `info` by default.

```bash
webpack --watch --info-verbosity verbose
```


## Troubleshooting

If you are experiencing any issues, please see the following notes. There are a variety of reasons why webpack might miss a file change.
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