diff options
| -rw-r--r-- | src/data/things/composite.js | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/src/data/things/composite.js b/src/data/things/composite.js index b9cd6bfb..f59e7d75 100644 --- a/src/data/things/composite.js +++ b/src/data/things/composite.js @@ -788,44 +788,6 @@ export function debugComposite(fn) { return value; } -// Provides dependencies exactly as they are (or null if not defined) to the -// continuation. Although this can *technically* be used to alias existing -// dependencies to some other name within the middle of a composition, it's -// intended to be used only as a composition's base - doing so makes the -// composition as a whole suitable as a step in some other composition, -// providing the listed (internal) dependencies to later steps just like -// other compositional steps. -export {_export as export}; -function _export(mapping) { - const mappingEntries = Object.entries(mapping); - - return { - annotation: `export`, - flags: {expose: true, compose: true}, - - expose: { - options: {mappingEntries}, - dependencies: Object.values(mapping), - - compute({'#options': {mappingEntries}, ...dependencies}, continuation) { - const exports = {}; - - // Note: This is slightly different behavior from filterProperties, - // as defined in sugar.js, which doesn't fall back to null for - // properties which don't exist on the original object. - for (const [exportKey, dependencyKey] of mappingEntries) { - exports[exportKey] = - (Object.hasOwn(dependencies, dependencyKey) - ? dependencies[dependencyKey] - : null); - } - - return continuation.raise(exports); - } - }, - }; -} - // 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. // Since this serves as a base, specify a value for {update} to indicate |