metabuilder/packages/json_script_example/seed/combined_example.json

{
  "schema_version": "2.1.0",
  "package": "json_script_example",
  "description": "Example using imports from other script files",

  "imports": [
    {
      "from": "math_utils",
      "import": ["add", "multiply", "clamp", "PI"]
    },
    {
      "from": "validation",
      "import": ["validateRange", "isNotEmpty"]
    }
  ],

  "exports": {
    "functions": ["calculateArea", "validateInput"]
  },

  "functions": [
    {
      "id": "calculate_area_fn",
      "name": "calculateArea",
      "description": "Calculate area of rectangle using imported math functions",
      "exported": true,
      "params": [
        {"name": "width", "type": "number"},
        {"name": "height", "type": "number"}
      ],
      "returnType": "number",
      "body": [
        {
          "type": "comment",
          "text": "Use imported multiply function"
        },
        {
          "type": "const_declaration",
          "name": "area",
          "value": {
            "type": "call_expression",
            "callee": "$ref:imports.math_utils.multiply",
            "args": ["$ref:params.width", "$ref:params.height"]
          }
        },
        {
          "type": "comment",
          "text": "Clamp area between 0 and 1000"
        },
        {
          "type": "return",
          "value": {
            "type": "call_expression",
            "callee": "$ref:imports.math_utils.clamp",
            "args": ["$ref:local.area", 0, 1000]
          }
        }
      ]
    },
    {
      "id": "validate_input_fn",
      "name": "validateInput",
      "description": "Validate form input using imported validation functions",
      "exported": true,
      "params": [
        {
          "name": "input",
          "type": "object",
          "description": "Input object with name and age"
        }
      ],
      "returnType": "object",
      "body": [
        {
          "type": "const_declaration",
          "name": "errors",
          "value": {
            "type": "object_literal",
            "properties": {}
          }
        },
        {
          "type": "comment",
          "text": "Validate name is not empty"
        },
        {
          "type": "const_declaration",
          "name": "nameValid",
          "value": {
            "type": "call_expression",
            "callee": "$ref:imports.validation.isNotEmpty",
            "args": [{
              "type": "member_access",
              "object": "$ref:params.input",
              "property": "name"
            }]
          }
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "unary_expression",
            "operator": "!",
            "argument": "$ref:local.nameValid"
          },
          "then": [
            {
              "type": "assignment",
              "target": "$ref:local.errors",
              "value": {
                "type": "object_literal",
                "properties": {
                  "name": "Name is required"
                }
              }
            }
          ]
        },
        {
          "type": "comment",
          "text": "Validate age is in valid range (0-120)"
        },
        {
          "type": "const_declaration",
          "name": "ageValid",
          "value": {
            "type": "call_expression",
            "callee": "$ref:imports.validation.validateRange",
            "args": [
              {
                "type": "member_access",
                "object": "$ref:params.input",
                "property": "age"
              },
              0,
              120
            ]
          }
        },
        {
          "type": "if_statement",
          "condition": {
            "type": "unary_expression",
            "operator": "!",
            "argument": "$ref:local.ageValid"
          },
          "then": [
            {
              "type": "assignment",
              "target": "$ref:local.errors",
              "value": {
                "type": "object_literal",
                "properties": {
                  "name": {
                    "type": "member_access",
                    "object": "$ref:local.errors",
                    "property": "name"
                  },
                  "age": "Age must be between 0 and 120"
                }
              }
            }
          ]
        },
        {
          "type": "comment",
          "text": "Return validation result"
        },
        {
          "type": "const_declaration",
          "name": "hasErrors",
          "value": {
            "type": "binary_expression",
            "left": {
              "type": "call_expression",
              "callee": "$ref:imports.Object.keys",
              "args": ["$ref:local.errors"]
            },
            "operator": ">",
            "right": 0
          }
        },
        {
          "type": "return",
          "value": {
            "type": "object_literal",
            "properties": {
              "valid": {
                "type": "unary_expression",
                "operator": "!",
                "argument": "$ref:local.hasErrors"
              },
              "errors": "$ref:local.errors"
            }
          }
        }
      ]
    }
  ]
}