json.type

Returns a string type name for a value. json.null returns “null”. Tables return “array” or “object” using the same table classification as json.isArray and json.isObject. Other values return the runtime Lua type name result.

Syntax

json.type(value: any): string

Arguments

Name	Type	Required	Description
`value`	`any`	Yes	Value to classify. Passing no value returns the runtime type name for a missing stack value.

Returns

Name	Type	Description
`jsonType`	`string`	Type name string. Verified JSON-specific returns are “null”, “array”, and “object”. Non-table, non-json.null values use Lua type name, such as “nil”, “boolean”, “number”, “integer”, “string”, “function”, “object”, “thread”, “buffer”, “class”, “object”, “vector”, or “no value” depending on the runtime value.

Example

Check the exact type string returned by the JSON helper.

print(json.type(json.array({ "red", "blue" })))
print(json.type(json.object({ enabled = true })))
print(json.type(json.null))
print(json.type(nil))
print(json.type())

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Example