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Insert a new element into the selected ones in a tsjson object

Source: R/insert-into-selections.R
insert_into_selected.Rd

Insert a new element into each selected array or object.

Usage

insert_into_selected(json, new, key = NULL, at = Inf, options = NULL)

Arguments

json

tsjson object

new

New element to insert. Will be serialized with serialize_json().

key

Key of the new element, when inserting into an object.

at

What position to insert the new element at:

  • 0: at the beginning,

  • Inf: at the end,

  • other numbers: after the specified element,

  • a character scalar, the key after which the new element is inserted, if that key exists, when inserting into an object. If this key does not exist, then the new element is inserted at the end of the object.

options

List of options, see tsjson_options(). This argument must be named and cannot be abbreviated.

Value

The modified tsjson object.

Details

It is an error trying to insert into an element that is not an array and not an object.

Examples

json <- load_json(text = "{ \"a\": true, \"b\": [1, 2, 3] }")
json
#> # json (1 line)
#> 1 | { "a": true, "b": [1, 2, 3] }

json |> select("b") |> insert_into_selected("foo", at = 1)
#> # json (6 lines)
#> 1 | { "a": true, "b": [
#> 2 |     1,
#> 3 |     "foo",
#> 4 |     2,
#> 5 |     3
#> 6 | ] }