diff options
Diffstat (limited to 'src/data/composite')
-rw-r--r-- | src/data/composite/data/withPropertyFromObject.js | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/src/data/composite/data/withPropertyFromObject.js b/src/data/composite/data/withPropertyFromObject.js index b31bab15..4f240506 100644 --- a/src/data/composite/data/withPropertyFromObject.js +++ b/src/data/composite/data/withPropertyFromObject.js @@ -2,11 +2,15 @@ // If the object itself is null, or the object doesn't have the listed property, // the provided dependency will also be null. // +// If the `internal` input is true, this reads the CacheableObject update value +// of the object rather than its exposed value. +// // See also: // - withPropertiesFromObject // - withPropertyFromList // +import CacheableObject from '#cacheable-object'; import {input, templateCompositeFrom} from '#composite'; export default templateCompositeFrom({ @@ -15,6 +19,7 @@ export default templateCompositeFrom({ inputs: { object: input({type: 'object', acceptsNull: true}), property: input({type: 'string'}), + internal: input({type: 'boolean', defaultValue: false}), }, outputs: ({ @@ -49,20 +54,35 @@ export default templateCompositeFrom({ { dependencies: [ - '#output', input('object'), input('property'), + input('internal'), ], compute: (continuation, { - ['#output']: output, [input('object')]: object, [input('property')]: property, + [input('internal')]: internal, }) => continuation({ - [output]: + '#value': (object === null ? null - : object[property] ?? null), + : internal + ? CacheableObject.getUpdateValue(object, property) + ?? null + : object[property] + ?? null), + }), + }, + + { + dependencies: ['#output', '#value'], + + compute: (continuation, { + ['#output']: output, + ['#value']: value, + }) => continuation({ + [output]: value, }), }, ], |