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JSON Encode

Source: R/base.R
jsonenc.Rd

Minimal JSON encoder. Converts an R object to a JSON string.

Usage

jsonenc(x)

Arguments

x

An R object to encode as JSON.

Value

A character string containing the JSON representation.

Details

This is a minimal implementation designed for creating HTTP API request bodies.

Type Mappings

  • Named list -> object {}

  • Unnamed list -> array []

  • Character -> string (with escaping)

  • Numeric/integer -> number

  • Logical -> true/false

  • NULL, NA -> null

  • Scalars (length 1) -> primitive value

  • Vectors (length > 1) -> array []

  • Unsupported types (e.g., functions) -> null

See also

jsondec()

Examples

jsonenc(list(name = "John", age = 30L))
#> [1] "{\"name\":\"John\",\"age\":30}"
jsonenc(list(valid = TRUE, count = NULL))
#> [1] "{\"valid\":true,\"count\":null}"
jsonenc(list(nested = list(a = 1, b = list(2, 3))))
#> [1] "{\"nested\":{\"a\":1,\"b\":[2,3]}}"
jsonenc(list(nums = 1:3, strs = c("a", "b")))
#> [1] "{\"nums\":[1,2,3],\"strs\":[\"a\",\"b\"]}"