104 lines
3.8 KiB
Markdown
104 lines
3.8 KiB
Markdown
# Vue
|
|
|
|
For more complex frontend features, we recommend using Vue.js. It shares
|
|
some ideas with React.js as well as Angular.
|
|
|
|
To get started with Vue, read through [their documentation][vue-docs].
|
|
|
|
## When to use Vue.js
|
|
|
|
We recommend using Vue for more complex features. Here are some guidelines for when to use Vue.js:
|
|
|
|
- If you are starting a new feature or refactoring an old one that highly interacts with the DOM;
|
|
- For real time data updates;
|
|
- If you are creating a component that will be reused elsewhere;
|
|
|
|
## When not to use Vue.js
|
|
|
|
We don't want to refactor all GitLab frontend code into Vue.js, here are some guidelines for
|
|
when not to use Vue.js:
|
|
|
|
- Adding or changing static information;
|
|
- Features that highly depend on jQuery will be hard to work with Vue.js
|
|
|
|
As always, the Frontend Architectural Experts are available to help with any Vue or JavaScript questions.
|
|
|
|
## How to build a new feature with Vue.js
|
|
|
|
**Components, Stores and Services**
|
|
|
|
In some features implemented with Vue.js, like the [issue board][issue-boards]
|
|
or [environments table][environments-table]
|
|
you can find a clear separation of concerns:
|
|
|
|
```
|
|
new_feature
|
|
├── components
|
|
│ └── component.js.es6
|
|
│ └── ...
|
|
├── store
|
|
│ └── new_feature_store.js.es6
|
|
├── service
|
|
│ └── new_feature_service.js.es6
|
|
├── new_feature_bundle.js.es6
|
|
```
|
|
_For consistency purposes, we recommend you to follow the same structure._
|
|
|
|
Let's look into each of them:
|
|
|
|
**A `*_bundle.js` file**
|
|
|
|
This is the index file of your new feature. This is where the root Vue instance
|
|
of the new feature should be.
|
|
|
|
The Store and the Service should be imported and initialized in this file and provided as a prop to the main component.
|
|
|
|
Don't forget to follow [these steps.][page_specific_javascript]
|
|
|
|
**A folder for Components**
|
|
|
|
This folder holds all components that are specific of this new feature.
|
|
If you need to use or create a component that will probably be used somewhere
|
|
else, please refer to `vue_shared/components`.
|
|
|
|
A good thumb rule to know when you should create a component is to think if
|
|
it will be reusable elsewhere.
|
|
|
|
For example, tables are used in a quite amount of places across GitLab, a table
|
|
would be a good fit for a component. On the other hand, a table cell used only
|
|
in one table would not be a good use of this pattern.
|
|
|
|
You can read more about components in Vue.js site, [Component System][component-system]
|
|
|
|
**A folder for the Store**
|
|
|
|
The Store is a class that allows us to manage the state in a single
|
|
source of truth.
|
|
|
|
The concept we are trying to follow is better explained by Vue documentation
|
|
itself, please read this guide: [State Management][state-management]
|
|
|
|
**A folder for the Service**
|
|
|
|
The Service is used only to communicate with the server.
|
|
It does not store or manipulate any data.
|
|
We use [vue-resource][vue-resource-repo] to
|
|
communicate with the server.
|
|
|
|
The [issue boards service][issue-boards-service]
|
|
is a good example of this pattern.
|
|
|
|
## Style guide
|
|
|
|
Please refer to the Vue section of our [style guide](style_guide_js.md#vuejs)
|
|
for best practices while writing your Vue components and templates.
|
|
|
|
|
|
[vue-docs]: http://vuejs.org/guide/index.html
|
|
[issue-boards]: https://gitlab.com/gitlab-org/gitlab-ce/tree/master/app/assets/javascripts/boards
|
|
[environments-table]: https://gitlab.com/gitlab-org/gitlab-ce/tree/master/app/assets/javascripts/environments
|
|
[page_specific_javascript]: https://docs.gitlab.com/ce/development/frontend.html#page-specific-javascript
|
|
[component-system]: https://vuejs.org/v2/guide/#Composing-with-Components
|
|
[state-management]: https://vuejs.org/v2/guide/state-management.html#Simple-State-Management-from-Scratch
|
|
[vue-resource-repo]: https://github.com/pagekit/vue-resource
|
|
[issue-boards-service]: https://gitlab.com/gitlab-org/gitlab-ce/blob/master/app/assets/javascripts/boards/services/board_service.js.es6
|