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Diffstat (limited to 'src/data/composite/control-flow/exposeDependency.js')
-rw-r--r-- | src/data/composite/control-flow/exposeDependency.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/data/composite/control-flow/exposeDependency.js b/src/data/composite/control-flow/exposeDependency.js new file mode 100644 index 00000000..3aa3d03a --- /dev/null +++ b/src/data/composite/control-flow/exposeDependency.js @@ -0,0 +1,28 @@ +// Exposes a dependency exactly as it is; this is typically the base of a +// composition which was created to serve as one property's descriptor. +// +// Please note that this *doesn't* verify that the dependency exists, so +// if you provide the wrong name or it hasn't been set by a previous +// compositional step, the property will be exposed as undefined instead +// of null. + +import {input, templateCompositeFrom} from '#composite'; + +export default templateCompositeFrom({ + annotation: `exposeDependency`, + + compose: false, + + inputs: { + dependency: input.staticDependency({acceptsNull: true}), + }, + + steps: () => [ + { + dependencies: [input('dependency')], + compute: ({ + [input('dependency')]: dependency + }) => dependency, + }, + ], +}); |