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eb39fafa4f
includes a (minimal) working wrapper Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
94 lines
1.9 KiB
Markdown
94 lines
1.9 KiB
Markdown
# Require space before/after arrow function's arrow (arrow-spacing)
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This rule normalize style of spacing before/after an arrow function's arrow(`=>`).
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```js
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/*eslint-env es6*/
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// { "before": true, "after": true }
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(a) => {}
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// { "before": false, "after": false }
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(a)=>{}
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```
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## Rule Details
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This rule takes an object argument with `before` and `after` properties, each with a Boolean value.
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The default configuration is `{ "before": true, "after": true }`.
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`true` means there should be **one or more spaces** and `false` means **no spaces**.
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Examples of **incorrect** code for this rule with the default `{ "before": true, "after": true }` option:
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```js
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/*eslint arrow-spacing: "error"*/
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/*eslint-env es6*/
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()=> {};
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() =>{};
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(a)=> {};
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(a) =>{};
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a =>a;
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a=> a;
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()=> {'\n'};
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() =>{'\n'};
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```
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Examples of **correct** code for this rule with the default `{ "before": true, "after": true }` option:
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```js
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/*eslint arrow-spacing: "error"*/
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/*eslint-env es6*/
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() => {};
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(a) => {};
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a => a;
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() => {'\n'};
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```
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Examples of **incorrect** code for this rule with the `{ "before": false, "after": false }` option:
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```js
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/*eslint arrow-spacing: ["error", { "before": false, "after": false }]*/
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/*eslint-env es6*/
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() =>{};
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(a) => {};
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()=> {'\n'};
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```
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Examples of **correct** code for this rule with the `{ "before": false, "after": false }` option:
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```js
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/*eslint arrow-spacing: ["error", { "before": false, "after": false }]*/
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/*eslint-env es6*/
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()=>{};
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(a)=>{};
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()=>{'\n'};
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```
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Examples of **incorrect** code for this rule with the `{ "before": false, "after": true }` option:
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```js
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/*eslint arrow-spacing: ["error", { "before": false, "after": true }]*/
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/*eslint-env es6*/
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() =>{};
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(a) => {};
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()=>{'\n'};
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```
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Examples of **correct** code for this rule with the `{ "before": false, "after": true }` option:
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```js
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/*eslint arrow-spacing: ["error", { "before": false, "after": true }]*/
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/*eslint-env es6*/
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()=> {};
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(a)=> {};
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()=> {'\n'};
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```
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