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-rw-r--r--src/data/composite/things/track/inheritFromMainRelease.js41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/data/composite/things/track/inheritFromMainRelease.js b/src/data/composite/things/track/inheritFromMainRelease.js
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+++ b/src/data/composite/things/track/inheritFromMainRelease.js
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+// Early exits with the value for the same property as specified on the
+// main release, if this track is a secondary release, and otherwise continues
+// without providing any further dependencies.
+//
+// Like withMainRelease, this will early exit (with notFoundValue) if the
+// main release is specified by reference and that reference doesn't
+// resolve to anything.
+
+import {input, templateCompositeFrom} from '#composite';
+
+import {exposeDependency, raiseOutputWithoutDependency}
+  from '#composite/control-flow';
+
+import withPropertyFromMainRelease
+  from './withPropertyFromMainRelease.js';
+
+export default templateCompositeFrom({
+  annotation: `inheritFromMainRelease`,
+
+  inputs: {
+    notFoundValue: input({
+      defaultValue: null,
+    }),
+  },
+
+  steps: () => [
+    withPropertyFromMainRelease({
+      property: input.thisProperty(),
+      notFoundValue: input('notFoundValue'),
+    }),
+
+    raiseOutputWithoutDependency({
+      dependency: '#isSecondaryRelease',
+      mode: input.value('falsy'),
+    }),
+
+    exposeDependency({
+      dependency: '#mainReleaseValue',
+    }),
+  ],
+});