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Add helper makeMergeable #126

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Merged
corvus-ch merged 2 commits into from
Jun 30, 2020
Merged

Add helper makeMergeable #126

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6c12335
Add helper `makeMergeable`
Jun 30, 2020
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corvus-ch Jun 30, 2020
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
### Added

* `getValueOrDefault` helper ([#125])
* `makeMergeable` helper ([#126])

## [v0.1.6]

Expand Down Expand Up @@ -89,3 +90,4 @@ Initial implementation
[#103]: https://github.com/projectsyn/commodore/pull/103
[#106]: https://github.com/projectsyn/commodore/pull/106
[#125]: https://github.com/projectsyn/commodore/pull/125
[#126]: https://github.com/projectsyn/commodore/pull/126
20 changes: 20 additions & 0 deletions commodore/lib/commodore.libjsonnet
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Expand Up @@ -133,6 +133,25 @@ local envList(map) = [
local getValueOrDefault(dict, field, default) =
if std.objectHas(dict, field) then dict[field] else default;

/*
* \brief makes an object deep mergeable
*
* Builds a new object from its input.
* All keys which contain an object will be suffixed with `+` in the result.
*
* \arg o An arbitrary object.
* \return The transformed object.
*/
local makeMergeable(o) = {
[key]+: makeMergeable(o[key])
for key in std.objectFields(o)
if std.isObject(o[key])
} + {
[key]: o[key]
for key in std.objectFields(o)
if !std.isObject(o[key])
};

{
inventory: std.native('inventory'),
yaml_load: std.native('yaml_load'),
Expand All @@ -144,4 +163,5 @@ local getValueOrDefault(dict, field, default) =
proxyVars: proxyVars,
envList: envList,
getValueOrDefault: getValueOrDefault,
makeMergeable: makeMergeable,
}