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About the developer

trivago
162 Stars 4 Forks Apache License 2.0 62 Commits 11 Opened issues

Description

A prettier plugin to sort imports in typescript and javascript files by the provided RegEx order.

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Prettier plugin sort imports

A prettier plugin to sort import declarations by provided RegEx order.

import order gif

Install

npm

shell script
npm install --save-dev @trivago/prettier-plugin-sort-imports

or, using yarn

shell script
yarn add --dev @trivago/prettier-plugin-sort-imports

Usage

Add an order in prettier config file.

ecmascript 6
module.exports = {
  "printWidth": 80,
  "tabWidth": 4,
  "trailingComma": "all",
  "singleQuote": true,
  "jsxBracketSameLine": true,
  "semi": true,
  "importOrder": ["^@core/(.*)$", "^@server/(.*)$", "^@ui/(.*)$", "^[./]"],
  "importOrderSeparation": true,
}

APIs

importOrder

A collection of regular expressions in string format. The plugin uses

new RegExp
to evaluate regular expression. E.g.

node.source.value.match(new RegExp(val))
Here,
val
is the string provided in import order.

importOrderSeparation

A boolean value to enable or disable the new line separation between sorted import declarations. The separation takes place according to

importOrder
.

How does import sort work ?

The plugin extracts the imports which are defined in

importOrder
. These imports are local imports. The imports which are not part of the
importOrder
is considered as 3rd party imports.

After, the plugin sorts the local imports and 3rd party imports using natural sort algorithm. In the end, the plugin returns final imports with 3rd party imports on top and local imports at the end.

FAQ / Troubleshooting

Q. How can I add the RegEx imports in the
importOrder
list ?

You can define the RegEx in the

importOrder
. For example if you want to sort the following imports:
ecmascript 6
import React from 'react';
import classnames from 'classnames';
import z from '@server/z';
import a from '@server/a';
import s from './';
import p from '@ui/p';
import q from '@ui/q';
then the
importOrder
would be
["^@ui/(.*)$","^@server/(.*)$", '^[./]']
. Now, the final output would be as follows:

ecmascript 6
import classnames from 'classnames';
import React from 'react';
import p from '@ui/p';
import q from '@ui/q';
import a from '@server/a';
import z from '@server/z';
import s from './';

Q. How can I run examples in this project ?

There is a examples directory. The examples file can be formatted by using

npm run example
command.

shell script
npm run example examples/example.tsx

Maintainers

| Ayush Sharma | Behrang Yarahmadi |---|---| | ayusharma | @byara | @ayusharma_ | @behrang_y

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