build: Build arrays and objects

In jqr: Client for 'jq', a 'JSON' Processor

Build arrays and objects

Description

Build arrays and objects

Usage

build_array(.data, ...)

build_array_(.data, ..., .dots)

build_object(.data, ...)

build_object_(.data, ..., .dots)

Arguments

.data	input. This can be JSON input, or an object of class jqr that has JSON and query params combined, which is passed from function to function when using the jqr DSL.
...	Comma separated list of unquoted variable names
.dots	Used to work around non-standard evaluation
dots	dots

Examples

## BUILD ARRAYS
x <- '{"user":"jqlang", "projects": ["jq", "wikiflow"]}' 
jq(x, "[.user, .projects[]]")
x %>% build_array(.user, .projects[])

jq('[1, 2, 3]', '[ .[] | . * 2]')
'[1, 2, 3]' %>% build_array(.[] | . * 2)


## BUILD OBJECTS
'{"foo": 5, "bar": 7}' %>% build_object(a = .foo) %>% peek
'{"foo": 5, "bar": 7}' %>% build_object(a = .foo)

# using json dataset, just first element
x <- commits %>% index(0)
x %>%
   build_object(message = .commit.message, name = .commit.committer.name)
x %>% build_object(sha = .commit.tree.sha, author = .author.login)

# using json dataset, all elements
x <- index(commits)
x %>% build_object(message = .commit.message, name = .commit.committer.name)
x %>% build_object(sha = .sha, name = .commit.committer.name)

# many JSON inputs
'{"foo": 5, "bar": 7} {"foo": 50, "bar": 7} {"foo": 500, "bar": 7}' %>%
  build_object(hello = .foo)

jqr documentation built on Nov. 20, 2023, 5:07 p.m.