metabuilder/packages/json_script_example/seed/validation.json

{
  "$schema": "./validation.schema.json",
  "schema_version": "2.1.0",
  "package": "json_script_example",
  "description": "Validation utility functions",
  "exports": {
    "functions": [
      "isEmail",
      "isNotEmpty",
      "validateRange"
    ]
  },
  "functions": [
    {
      "id": "is_email_fn",
      "name": "isEmail",
      "description": "Check if string is a valid email",
      "exported": true,
      "params": [
        {
          "name": "email",
          "type": "string"
        }
      ],
      "returnType": "boolean",
      "body": [
        {
          "type": "comment",
          "text": "Basic email validation - contains @ and domain"
        },
        {
          "type": "const_declaration",
          "name": "hasAt",
          "value": {
            "type": "binary_expression",
            "left": {
              "type": "call_expression",
              "callee": "$ref:imports.string.indexOf",
              "args": [
                "$ref:params.email",
                "@"
              ]
            },
            "operator": ">",
            "right": 0
          }
        },
        {
          "type": "const_declaration",
          "name": "hasDot",
          "value": {
            "type": "binary_expression",
            "left": {
              "type": "call_expression",
              "callee": "$ref:imports.string.lastIndexOf",
              "args": [
                "$ref:params.email",
                "."
              ]
            },
            "operator": ">",
            "right": {
              "type": "call_expression",
              "callee": "$ref:imports.string.indexOf",
              "args": [
                "$ref:params.email",
                "@"
              ]
            }
          }
        },
        {
          "type": "return",
          "value": {
            "type": "logical_expression",
            "left": "$ref:local.hasAt",
            "operator": "&&",
            "right": "$ref:local.hasDot"
          }
        }
      ]
    },
    {
      "id": "is_not_empty_fn",
      "name": "isNotEmpty",
      "description": "Check if string is not empty after trimming",
      "exported": true,
      "params": [
        {
          "name": "str",
          "type": "string"
        }
      ],
      "returnType": "boolean",
      "body": [
        {
          "type": "const_declaration",
          "name": "trimmed",
          "value": {
            "type": "call_expression",
            "callee": "$ref:imports.string.trim",
            "args": [
              "$ref:params.str"
            ]
          }
        },
        {
          "type": "return",
          "value": {
            "type": "binary_expression",
            "left": {
              "type": "member_access",
              "object": "$ref:local.trimmed",
              "property": "length"
            },
            "operator": ">",
            "right": 0
          }
        }
      ]
    },
    {
      "id": "validate_range_fn",
      "name": "validateRange",
      "description": "Check if number is within range",
      "exported": true,
      "params": [
        {
          "name": "value",
          "type": "number"
        },
        {
          "name": "min",
          "type": "number"
        },
        {
          "name": "max",
          "type": "number"
        }
      ],
      "returnType": "boolean",
      "body": [
        {
          "type": "return",
          "value": {
            "type": "logical_expression",
            "left": {
              "type": "binary_expression",
              "left": "$ref:params.value",
              "operator": ">=",
              "right": "$ref:params.min"
            },
            "operator": "&&",
            "right": {
              "type": "binary_expression",
              "left": "$ref:params.value",
              "operator": "<=",
              "right": "$ref:params.max"
            }
          }
        }
      ]
    }
  ]
}