Commit 8f13e071 authored by Achilleas Pipinellis's avatar Achilleas Pipinellis

Merge branch 'docs/fix-link-to-eslint-config' into 'master'

Fix broken link and file improvements

See merge request gitlab-org/gitlab-ce!22244
parents 1c51a6be 087eb951
# Style guides and linting
See the relevant style guides for our guidelines and for information on linting:
## JavaScript
We defer to [Airbnb][airbnb-js-style-guide] on most style-related
conventions and enforce them with eslint.
See [our current .eslintrc][eslintrc] for specific rules and patterns.
See [our current .eslintrc](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/.eslintrc.yml) for specific rules and patterns.
### Common
......@@ -21,10 +23,10 @@ refactor an existing one, you should abide by the eslint rules.
```javascript
// bad
/* eslint-disable */
// better
/* eslint-disable some-rule, some-other-rule */
// best
// nothing :)
```
......@@ -34,14 +36,14 @@ refactor an existing one, you should abide by the eslint rules.
```javascript
// bad
/* eslint-disable no-new */
import Foo from 'foo';
new Foo();
// better
import Foo from 'foo';
// eslint-disable-next-line no-new
new Foo();
```
......@@ -58,11 +60,11 @@ followed by any global declarations, then a blank newline prior to any imports o
/* global Foo */
/* eslint-disable no-new */
import Bar from './bar';
// good
/* eslint-disable no-new */
/* global Foo */
import Bar from './bar';
```
......@@ -73,7 +75,7 @@ followed by any global declarations, then a blank newline prior to any imports o
```javascript
// bad
/* globals Flash, Cookies, jQuery */
// good
/* global Flash */
/* global Cookies */
......@@ -85,7 +87,7 @@ followed by any global declarations, then a blank newline prior to any imports o
```javascript
// bad
fn(p1, p2, p3, p4) {}
// good
fn(options) {}
```
......@@ -191,28 +193,28 @@ Do not use them anymore and feel free to remove them when refactoring legacy cod
```javascript
// bad
const values = {foo: 1};
function impureFunction(items) {
const bar = 1;
items.foo = items.a * bar + 2;
return items.a;
}
const c = impureFunction(values);
// good
var values = {foo: 1};
function pureFunction (foo) {
var bar = 1;
foo = foo * bar + 2;
return foo;
}
var c = pureFunction(values.foo);
```
......@@ -231,10 +233,10 @@ Do not use them anymore and feel free to remove them when refactoring legacy cod
document.addEventListener('click', this.handleCallback)
},
handleCallback() {
}
}
// Good
export class Foo {
constructor() {
......@@ -253,12 +255,12 @@ Do not use them anymore and feel free to remove them when refactoring legacy cod
```javascript
const users = [ { name: 'Foo' }, { name: 'Bar' } ];
// bad
users.forEach((user, index) => {
user.id = index;
});
// good
const usersWithId = users.map((user, index) => {
return Object.assign({}, user, { id: index });
......@@ -272,10 +274,10 @@ Do not use them anymore and feel free to remove them when refactoring legacy cod
```javascript
// bad
+'10' // 10
// good
Number('10') // 10
// better
parseInt('10', 10);
```
......@@ -289,7 +291,7 @@ Do not use them anymore and feel free to remove them when refactoring legacy cod
<button class="add-user">
Add User
</button>
// good
<button class="js-add-user">
Add User
......@@ -299,10 +301,12 @@ Do not use them anymore and feel free to remove them when refactoring legacy cod
### Vue.js
#### `eslint-vue-plugin`
We default to [eslint-vue-plugin][eslint-plugin-vue], with the `plugin:vue/recommended`.
Please check this [rules][eslint-plugin-vue-rules] for more documentation.
#### Basic Rules
1. The service has it's own file
1. The store has it's own file
1. Use a function in the bundle file to instantiate the Vue component:
......@@ -314,7 +318,7 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
new Component({})
}
}
// good
document.addEventListener('DOMContentLoaded', () => new Vue({
el: '#element',
......@@ -336,7 +340,7 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
}
}
}
// good
class Store {
constructor() {
......@@ -354,14 +358,14 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
```javascript
// bad
import cardBoard from 'cardBoard.vue'
components: {
cardBoard,
};
// good
import CardBoard from 'cardBoard.vue'
components: {
CardBoard,
};
......@@ -373,13 +377,13 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
```javascript
// bad
<component class="btn">
// good
<component css-class="btn">
// bad
<component myProp="prop" />
// good
<component my-prop="prop" />
```
......@@ -387,6 +391,7 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
[#34371]: https://gitlab.com/gitlab-org/gitlab-ce/issues/34371
#### Alignment
1. Follow these alignment styles for the template method:
1. With more than one attribute, all attributes should be on a new line:
......@@ -395,31 +400,31 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
// bad
<component v-if="bar"
param="baz" />
<button class="btn">Click me</button>
// good
<component
v-if="bar"
param="baz"
/>
<button class="btn">
Click me
</button>
```
1. The tag can be inline if there is only one attribute:
```javascript
// good
<component bar="bar" />
// good
<component
bar="bar"
/>
// bad
<component
bar="bar" />
......@@ -434,7 +439,7 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
template: `
<button :class='style'>Button</button>
`
// good
template: `
<button :class="style">Button</button>
......@@ -447,7 +452,7 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
```javascript
// bad
props: ['foo']
// good
props: {
foo: {
......@@ -467,7 +472,7 @@ Please check this [rules][eslint-plugin-vue-rules] for more documentation.
type: String,
}
}
// good
props: {
foo: {
......@@ -490,7 +495,7 @@ On those a default key should not be provided.
required: false,
}
}
// good
props: {
foo: {
......@@ -499,7 +504,7 @@ On those a default key should not be provided.
default: 'bar'
}
}
// good
props: {
foo: {
......@@ -534,7 +539,7 @@ On those a default key should not be provided.
```javascript
// bad
<component v-on:click="eventHandler"/>
// good
<component @click="eventHandler"/>
```
......@@ -544,7 +549,7 @@ On those a default key should not be provided.
```javascript
// bad
<component v-bind:class="btn"/>
// good
<component :class="btsn"/>
```
......@@ -556,7 +561,7 @@ On those a default key should not be provided.
```javascript
// bad
<component></component>
// good
<component />
```
......@@ -650,7 +655,7 @@ Useful links:
title="Some tooltip text">
Text
</span>
// good
<span
v-tooltip
......@@ -666,10 +671,10 @@ Useful links:
```javascript
// bad
<span data-original-title="tooltip text">Foo</span>
// good
<span title="tooltip text">Foo</span>
$('span').tooltip('_fixTitle');
```
......
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