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eslint-plugin-format-sql

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eslint-plugin-format-sql

ESLint plugin to format SQL query in template literals

1.1.1
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eslint-plugin-format-sql

NPM

ESLint plugin to format SQL queries inside any SQL template tag. It works on top of the sql-formatter with some improvements and post-formations.

Installation

Install the plugin first:

npm install --save-dev eslint-plugin-format-sql

Then add this plugin to eslint config in extends section and configure rule for your need:

// .eslintrc
{
  "extends": [
    // ...
    "plugin:format-sql/format"
  ],
  "rules": {
    "format-sql/format": ["warn", {
      "tags": ["SQL", "sql"], // names of SQL template tags to parse their literals
      "language": "postgresql", // language name
      "startSpaces": 0, // extra spaces to indent for each query line in first column of a query
      "spaces": 2, // amount of indentation to use in statements
    }],
    // ...
  },
}

Available options for language: sql, postgresql, db2, hive, mariadb, mysql, n1ql, plsql, bigquery, redshift, singlestoredb, spark, sqlite, snowflake, transactsql, trino,

In case no options is provided for the rule then default params will be used:

{
  language: 'postgresql',
  tags: ['SQL', 'sql'],
  startSpaces: 2,
  spaces: 2,
}

Example

Example of formation with default options.

Before:

import { SQLFactory } from 'pg-sql-template'; // or another sql template library
import { client } from './client';

const SQL = SQLFactory({ client });

class PostsController {
  async getPosts(userId: number) {
    const posts = await SQL`
      SELECT posts.id, posts.text, posts.created_at AS created, users.name AS author 
      FROM posts LEFT JOIN users ON users.id = posts.author_id
      WHERE posts.author_id = ${userId}
      ORDER BY posts.created_at`.many();
    
    // ...
  }
}

After --fix:

import { SQLFactory } from 'pg-sql-template'; //  or another sql template library
import { client } from './client';

const SQL = SQLFactory({ client });

class PostsController {
  async getPosts(userId: number) {
    const posts = await SQL`
      SELECT posts.id,
        posts.text,
        posts.created_at AS created,
        users.name AS author
      FROM posts
        LEFT JOIN users ON users.id = posts.author_id
      WHERE posts.author_id = ${userId}
      ORDER BY posts.created_at
    `.many();
    
    // ...
  }
}

Keywords

sql

FAQs

Package last updated on 31 Mar 2023

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