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@toshihiko/sql-utils

v1.1.1

Published

SQL string utils for Toshihiko.js.

Downloads

6

Readme

@toshihiko/sql-utils

Build Status Coverage Status

SQL string utils for Toshihiko.js.

Description

This package provides utilities for processing SQL strings, including mapping SQL column names to new names using a provided map, escaping SQL strings, and escaping strings for SQL LIKE clauses.

Features

  • SQL column name mapping
  • SQL string escaping
  • SQL LIKE clause escaping

Installation

To install this package, run:

npm install --save @toshihiko/sql-utils

Usage

Mapping SQL Column Names

You can use the sqlNameToColumn function to map SQL column names to new names using a provided map. Here is an example:

import { sqlNameToColumn } from '@toshihiko/sql-utils';

const sql = 'SELECT aa FROM b WHERE cc = dd';
const map = {
  aa: 'a',
  cc: 'c',
  dd: 'd',
};

const newSql = sqlNameToColumn(sql, map);
console.log(newSql); // Output: SELECT a FROM b WHERE c = d

Escaping SQL Strings

Use the escape function to escape special characters in a string to prevent SQL injection:

import { escape } from '@toshihiko/sql-utils';

const userInput = 'It\'s a "quoted" string';
const escapedString = escape(userInput);
console.log(escapedString); // Output: It\'s a \"quoted\" string

Escaping Strings for SQL LIKE Clauses

Use the escapeLike function to escape special wildcard characters used in SQL LIKE clauses:

import { escapeLike } from '@toshihiko/sql-utils';

const searchTerm = '50%_discount';
const escapedTerm = escapeLike(searchTerm);
console.log(escapedTerm); // Output: 50\%\_discount

License

This project is licensed under the MIT License. See the LICENSE file for details.