docsonnet/load.libsonnet
sh0rez 66a158a8f2
feat: ignore
Implements ignoring certain keys right in Jsonnet, by adding:

  {
    '#foo': "ignore",
    foo: {}
  }

This is especially useful for objects that include `self` references,
which might otherwise recurse infinitely
2020-05-12 22:48:02 +02:00

27 lines
690 B
Jsonnet

local lib = {
scan(obj)::
local aux(old, key) =
if std.startsWith(key, '#') then
true
else if std.isObject(obj[key]) then
old || $.scan(obj[key])
else old;
std.foldl(aux, std.objectFieldsAll(obj), false),
load(pkg)::
local aux(old, key) =
if !std.isObject(pkg[key]) then
old
else if std.objectHasAll(pkg, '#' + key) && pkg['#' + key] == 'ignore' then
old
else if std.startsWith(key, '#') then
old { [key]: pkg[key] }
else if self.scan(pkg[key]) then
old { [key]: $.load(pkg[key]) }
else old;
std.foldl(aux, std.objectFieldsAll(pkg), {}),
};
lib.load(std.extVar('main'))