https://github.com/hyperscale-stack/filter

The Hyperscale Filter library provides a set of commonly needed data filters. It also provides a simple filter chaining mechanism by which multiple filters may be applied to a single datum in a user-defined order.
https://github.com/hyperscale-stack/filter

filter filters golang golang-library golang-module input-filter

Last synced: 23 days ago
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The Hyperscale Filter library provides a set of commonly needed data filters. It also provides a simple filter chaining mechanism by which multiple filters may be applied to a single datum in a user-defined order.

• Host: GitHub
• URL: https://github.com/hyperscale-stack/filter
• Owner: hyperscale-stack
• License: mit
• Created: 2020-09-11T11:39:20.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2025-08-25T06:36:14.000Z (6 months ago)
• Last Synced: 2025-08-25T09:23:02.799Z (6 months ago)
• Topics: filter, filters, golang, golang-library, golang-module, input-filter
• Language: Go
• Homepage:
• Size: 84 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

          
Hyperscale Filter [![Last release](https://img.shields.io/github/release/hyperscale-stack/filter.svg)](https://github.com/hyperscale-stack/filter/releases/latest) [![Documentation](https://godoc.org/github.com/hyperscale-stack/filter?status.svg)](https://godoc.org/github.com/hyperscale-stack/filter)

====================

[![Go Report Card](https://goreportcard.com/badge/github.com/hyperscale-stack/filter)](https://goreportcard.com/report/github.com/hyperscale-stack/filter)

| Branch  | Status | Coverage |

|---------|--------|----------|

| master  | [![Build Status](https://github.com/hyperscale-stack/filter/workflows/Go/badge.svg?branch=master)](https://github.com/hyperscale-stack/filter/actions?query=workflow%3AGo) | [![Coveralls](https://img.shields.io/coveralls/hyperscale-stack/filter/master.svg)](https://coveralls.io/github/hyperscale-stack/filter?branch=master) |

The Hyperscale Filter library provides a set of commonly needed data filters. It also provides a simple filter chaining mechanism by which multiple filters may be applied to a single datum in a user-defined order. 

## Example

Filter by `map[string]interface{}`

```go

package main

import (

    "fmt"

    "github.com/hyperscale-stack/filter"

)

func main() {

    i := NewInputFilter(map[string][]Filter{

		"email": {

			NewStringToLowerFilter(),

		},

	})

	value, err := i.FilterMap(map[string]interface{}{

		"email":  "STEVE@APPLE.COM",

    })

    // return 

    // map[string]interface{}{

	//     "email":  "steve@apple.com",

    // }

}

```

Filter by `url.Values`

```go

package main

import (

    "fmt"

    "github.com/hyperscale-stack/filter"

)

func main() {

    i := NewInputFilter(map[string][]Filter{

		"email": {

			NewStringToLowerFilter(),

		},

	})

    values := url.Values{}

    values.Set("email", "STEVE@APPLE.COM")

	value, err := i.FilterValues(values)

    // return 

    // url.Values{

	//     "email":  []string{"steve@apple.com"},

    // }

}

```

## License

Hyperscale Filter is licensed under [the MIT license](LICENSE.md).