wiki/docs/features/offline access.md
Adam Brangenberg d6301fae90
feat: Making Quartz available offline by making it a PWA (#465)
* Adding PWA and chaching for offline aviability

* renamed workbox config to fit Quartz' scheme

* Documenting new configuration

* Added missig umami documentation

* Fixed formatting so the build passes, thank you prettier :)

* specified caching strategies to improve performance

* formatting...

* fixing "404 manifest.json not found" on subdirectories by adding a / to manifestpath

* turning it into a plugin

* Removed Workbox-cli and updated @types/node

* Added Serviceworkercode to offline.ts

* formatting

* Removing workbox from docs

* applied suggestions

* Removed path.join for sw path

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* Removed path.join for manifest path

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* Removing path module import

* Added absolute path to manifests start_url and manifest "import" using baseUrl

* Adding protocol to baseurl

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* Adding protocol to start_url too then

* formatting...

* Adding fallback page

* Documenting offline plugin

* formatting...

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* merge suggestion

Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>

* formatting...

* Fixing manifest path, all these nits hiding the actual issues .-.

* Offline fallback page through plugins, most things taken from 404 Plugin

* adding Offline Plugin to config

* formatting...

* Turned offline off as default and removed offline.md

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Co-authored-by: Jacky Zhao <j.zhao2k19@gmail.com>
2023-09-20 11:38:13 -07:00

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Markdown

---
title: "Offline Access (PWA)"
tags:
- plugin/emitter
---
This plugin allows your website to be accessible offline and be installed as an app. You can use it by adding `Plugin.Offline(),` to the `emitters` in `quartz.config.ts`
## Offline Capability
Whenever you visit a page it gets cached for offline use. Depending on the kind of content, the process for caching is diffent:
- **Pages** (HTML, your converted Markdown files): Quartz first tries to get them over the Network. If that fails, your browser attempts to fetch it from the cache.
- **Static Resources** (Fonts, CSS Styling, JavaScript): Quartz uses cached resources by default and updates the cache over the network in the background.
- **Images**: Images are saved once and then served from cache. Quartz uses a limited cache of 60 images and images remain in the cache for 30 days
You can edit the fallback page by changing the `offline.md` file in the root of your `content` directory
## Progressive Web App (PWA)
Progressive Web Apps can have [many properties](https://developer.mozilla.org/en-US/docs/Web/Manifest). We're only going to mention the ones Quartz supports by default, however you can edit the offline plugins file to add more in case required.
- **icons**: the `icon.svg` file in the `quartz/static` directory is used for all the icons. This makes it easier to scale the image since you don't need to provide an png for every size
- **name**, **short_name**: Uses the `pageTitle` configured in `quartz.config.ts`
- **description**: Uses the `description` configured in `quartz.config.ts`
- **background_color**, **theme_color**: Uses the `lightMode.light` color configured in `quartz.config.ts`.
- **start_url**: Uses the `baseUrl` configured in `quartz.config.ts`
### Default values
- **display**: this is set to `minimal-ui`