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About The Project

Elevate your development experience with our straightforward Query Builder designed for use alongside Spring Filter. This lightweight tool boasts simplicity by being dependency-free and compatible with TypeScript and JavaScript projects.

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- [![Visual Studio Code][vscode-shield]](https://code.visualstudio.com/)
- [![CodeSandbox][codesandbox-shield]](https://codesandbox.io/)
- [![TypeScript][typescript-shield]](https://www.typescriptlang.org/)
- [![NPM][npm-shield]](https://www.npmjs.com/)
- [![Jest][jest-shield]](https://jestjs.io/)

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Usage

1. Install the package using NPM:

``bash
npm install spring-filter-query-builder
`

2. Import the required functions from spring-filter-query-builder into your JavaScript/TypeScript file:

`js
import { sfAnd, sfEqual, sfGt, sfIsNull, sfLike, sfNot, sfOr } from 'spring-filter-query-builder';
`

3. Here's an example of how to use the library:

`js
const filter = sfAnd([sfEqual('status', 'active'), sfGt('createdAt', '1-1-2000')]);

console.log(filter.toString());
`

This will output the generated filter query.

Explore Further with Examples

For additional examples, feel free to visit our CodeSandbox demo page.

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Documentation

All classes have a toString method. So you can convert any Object of these classes to string easily.

The library exposes all methods that you will need to create a query:

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- sfAnd([ item, item, ... ]) - and's one or more expressions
- sfOr([ item, item ... ]) - or's one or more expressions
- sfNot(item) - not's an expression
- sfExists(item) - exists expression

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- sfLike(selector, value) - Like comparator
- sfEqual(selector, value) - Equal comparator
- sfNotEqual(selector, value) - Not equal comparator
- sfGt(selector, value) - Greater than comparator
- sfGe(selector, value) - Greater than or equal comparator
- sfLt(selector, value) - Less than comparator
- sfLe(selector, value) - Less than or equal comparator
- sfIsNull(selector) - Is null comparator
- sfIsNotNull(selector) - Is not null comparator
- sfIsEmpty(selector) - Is empty comparator
- sfIsNotEmpty(selector) - Is not empty comparator
- sfIn(selector, [ value, value, ...]) - In comparator
- sfNotIn(selector, [ value, value, ...]) - Not in comparator

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- sfAbsolute(selector) - Absolute function
- sfAverage(selector) - Average function
- sfCeiling(selector) - Ceiling function
- sfConcat(value, value, ...) - Concat function
- sfCount(selector) - Count function
- sfCountDistinct(selector) - CountDistinct function
- sfCurrentDate() - CurrentDate function
- sfCurrentTime() - CurrentTime function
- sfCurrentTimestamp() - CurrentTimestamp function
- sfMin(selector) - Min function
- sfMax(selector) - Max function
- sfSum(selector, selector, ...) - Sum function
- sfSize(selector) - Size function
- sfLength(selector) - Length function
- sfTrim(selector) - Trim function
- sfUpper(selector) - Upper function
- sfLower(selector) - Lower function
- sfCustomFunction(functionName, value, value, ...) - Any other custom function

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Extend any of our predefined abstract classes – Comparator, Function, and Operator – to effortlessly craft custom logic tailored to your needs.

For creating custom comparators, refer to test/custom-comparator.test.ts.

For custom functions, explore test/custom-function.test.ts.

For custom operators, explore test/custom-operator.test.ts.

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Contributing

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement".
Don't forget to give the project a star! Thanks again!

1. Fork the Project
2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
3. Commit your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin feature/AmazingFeature`)
5. Open a Pull Request

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Contact

[![LinkedIn][linkedin-shield]][linkedin-url]

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