Generates Go (golang) Structs and Validation code from JSON schema.
This
{
"type": "object",
"required": [
"currencyCode"
],
"properties": {
"currencyCode": {
"type": "string",
"enum": [
"PLN",
"USD",
"EUR"
]
}
},
"$schema": "http://json-schema.org/draft-07/schema#"
}Will generate code
// EnumCurrencyCode
type EnumCurrencyCode string
const (
EnumCurrencyCodeEUR EnumCurrencyCode = "EUR"
EnumCurrencyCodePLN EnumCurrencyCode = "PLN"
EnumCurrencyCodeUSD EnumCurrencyCode = "USD"
)
// Root
type Root struct {
CurrencyCode EnumCurrencyCode `json:"currencyCode" valid:"required"`
}All fields that are not required are treated as nullable, since its value can be undefined.
If given field is an array item or map value then its value is always required (unless it is nullable). Since value in map or array cannot be undefined.
Objects are rendered as value unless they are not required or nullable.
If oneOf consists of two values and one of them is null then type is rendered with pointer.
If oneOf consists of more than two values then it is rendered as interface{}, but all types if not primitive will be created.
- Go 1.13+
Install
$ go get -u github.com/michalq/generate/...or
Build
$ makeRun
$ schema-generate exampleschema.jsonThis schema
{
"$schema": "http://json-schema.org/draft-04/schema#",
"title": "Example",
"id": "http://example.com/exampleschema.json",
"type": "object",
"description": "An example JSON Schema",
"properties": {
"name": {
"type": "string"
},
"address": {
"$ref": "#/definitions/address"
},
"status": {
"$ref": "#/definitions/status"
}
},
"definitions": {
"address": {
"id": "address",
"type": "object",
"description": "Address",
"properties": {
"street": {
"type": "string",
"description": "Address 1",
"maxLength": 40
},
"houseNumber": {
"type": "integer",
"description": "House Number"
}
}
},
"status": {
"type": "object",
"properties": {
"favouritecat": {
"enum": [
"A",
"B",
"C"
],
"type": "string",
"description": "The favourite cat.",
"maxLength": 1
}
}
}
}
}generates
package main
type Address struct {
HouseNumber int `json:"houseNumber,omitempty"`
Street string `json:"street,omitempty"`
}
type Example struct {
Address *Address `json:"address,omitempty"`
Name string `json:"name,omitempty"`
Status *Status `json:"status,omitempty"`
}
type Status struct {
Favouritecat string `json:"favouritecat,omitempty"`
}See the test/ directory for more examples.
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