ตรวจสอบ JSON Schema

import Ajv from 'ajv';

const ajv = new Ajv();

const schema = {
  type: 'object',
  properties: {
    name: { type: 'string', minLength: 1 },
    age: { type: 'integer', minimum: 0 },
    email: { type: 'string', format: 'email' }
  },
  required: ['name', 'email'],
  additionalProperties: false
};

const data = { name: 'Alice', age: 30, email: 'alice@example.com' };

const validate = ajv.compile(schema);
const valid = validate(data);
console.log(valid);          // → true
console.log(validate.errors); // → null

// Invalid data — missing required "email"
validate({ name: 'Bob', age: 25 });
console.log(validate.errors);
// → [{ instancePath: '', keyword: 'required', params: { missingProperty: 'email' } }]

from jsonschema import validate, ValidationError

schema = {
    "type": "object",
    "properties": {
        "name": {"type": "string", "minLength": 1},
        "age": {"type": "integer", "minimum": 0},
        "tags": {
            "type": "array",
            "items": {"type": "string"},
            "uniqueItems": True
        }
    },
    "required": ["name"]
}

# Valid data
validate(instance={"name": "Alice", "age": 30, "tags": ["admin"]}, schema=schema)
# → No exception raised

# Invalid data — wrong type for "age"
try:
    validate(instance={"name": "Alice", "age": "thirty"}, schema=schema)
except ValidationError as e:
    print(e.message)
    # → 'thirty' is not of type 'integer'
    print(e.json_path)
    # → $.age

package main

import (
    "fmt"
    "strings"
    "github.com/santhosh-tekuri/jsonschema/v5"
)

func main() {
    schemaJSON := `{
        "type": "object",
        "properties": {
            "id": { "type": "integer" },
            "status": { "enum": ["active", "inactive"] }
        },
        "required": ["id", "status"]
    }`

    compiler := jsonschema.NewCompiler()
    compiler.AddResource("schema.json", strings.NewReader(schemaJSON))
    schema, _ := compiler.Compile("schema.json")

    // Valid data
    data := map[string]interface{}{"id": 1, "status": "active"}
    err := schema.Validate(data)
    fmt.Println(err) // → <nil>

    // Invalid — missing "status"
    bad := map[string]interface{}{"id": 2}
    err = schema.Validate(bad)
    fmt.Println(err) // → validation failed: missing properties: 'status'
}

# Install via pip
pip install check-jsonschema

# Validate a file against a schema
check-jsonschema --schemafile schema.json data.json
# → ok -- validation done

# Validate against a remote schema (e.g., GitHub Actions workflow)
check-jsonschema --builtin-schema vendor.github-workflows my-workflow.yml

# Validate multiple files at once
check-jsonschema --schemafile schema.json file1.json file2.json file3.json