https://github.com/aep/yema

the universal type generator
https://github.com/aep/yema

Last synced: 11 months ago
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the universal type generator

• Host: GitHub
• URL: https://github.com/aep/yema
• Owner: aep
• Created: 2025-03-02T12:33:46.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2025-03-11T11:17:40.000Z (over 1 year ago)
• Last Synced: 2025-07-15T07:15:03.161Z (11 months ago)
• Language: Go
• Size: 28.3 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
YEMA - the interchangeable schema language

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yema is an extremly simple and obvious schema definition.

this is currently used in apogy and its unclear if its going to be made useful for other purposes.

its only purpose is to generate type bindings for all programming languages,

it does intentionally NOT support constraints like jsonschema.

it also does not define any wire format, although you'd probably want json, msgpack, etc..

yema can be defined in yaml or json or whatever else.

here's a weird yaml to showcase all of it:

```yaml

firstName:        string

middleName?:      string

lastName:         string

age:              int32

favoriteNums?:    [int]

phones:           [string]

addresses: [{

  street:     string,

  city:       string,

  zipCode:    string

}]

favoriteObjects:

  - color: string

    shape?: int

settings: 

  notifications:  bool

  theme:          string

  limits?: 

    max:          int64

```

you can use it as cli to generate types:

    go install github.com/aep/yema/cmd/yema@latest

    yema example.yaml -o cue

    yema example.yaml -o jsonschema

    yema example.yaml -o golang

    yema example.yaml -o rust

    yema example.yaml -o typescript