Create string for schema-URL — vega

Useful if you are creating a vegaspec manually.

vega_schema(
  library = c("vega_lite", "vega"),
  version = NULL,
  major = is.null(version)
)

Arguments

library: character, either "vega" or "vega_lite"
version: character, version of library, e.g. "5.2.0"; if version is provided, major defaults to FALSE.
major: logical return major version-tags rather than the tags for the specific versions supported by this package

Value

character URL for schema

Examples

  vega_schema()
#> [1] "https://vega.github.io/schema/vega-lite/v5.json"
  vega_schema("vega", major = FALSE)
#> [1] "https://vega.github.io/schema/vega/v5.24.0.json"
  vega_schema("vega_lite", version = "5.2.0")
#> [1] "https://vega.github.io/schema/vega-lite/v5.2.0.json"

  # creating a spec by hand
  spec <-
    list(
      `$schema` = vega_schema(),
      width = 300,
      height = 300
      # and so on
    ) %>%
    as_vegaspec()