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Designer Decisions

Store

Provides an API to retrieve decisions and resolve their values.

export type Store = {
    context: () => StoreContext;
    inputErrors: () => DecisionInputError[];
    records: (filter?: (record: ValidatedRecord) => boolean) => ValidatedRecord[];
    decision: (ref: DecisionRef) => [DecisionContext, Decision<V> | undefined];
    createDecisionContext: (contexts?: LookupContexts) => DecisionContext;
    createValueContext: (lookupContexts?: LookupContexts) => ValueContext;
};

Implementation

You can create a Store via:

Usage

Recommended:

Using the dd.config.mjs configuration file and staticStoreBuilder().

import { loadConfig, createStoreContext, staticStoreBuilder } from '@noodlestan/designer-functions';


const config = await loadConfig();
const context = createStoreContext(config.store);
const build = staticStoreBuilder(context);


const store = await build();
const primary = store.decision({ $name: 'Primary color' });
const color = primary.produce().toString('oklch');

Advanced use cases

You can use lower lever APIs to compose your own use cases.

The following snippet is taken from the staticStoreBuilder() implementation.

const context = createStoreContext(options);
const schemaMap = await loadSchemasFromSources(context);
const validator = createDecisionValidator(context, schemaMap);


const loadedRecords = await loadDecisionsFromSources(context);
const validatedMap = createStaticValidatedMap(context, loadedRecords, validator);
const store = createStaticStore(context, validatedMap);

Refer to createStaticStore() for more examples.

See also