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// Resolves a reference by using the provided find function to match it
// within the provided thingData dependency. This will early exit if the
// data dependency is null, or, if notFoundMode is set to 'exit', if the find
// function doesn't match anything for the reference. Otherwise, the data
// object is provided on the output dependency; or null, if the reference
// doesn't match anything or itself was null to begin with.
import {input, templateCompositeFrom} from '#composite';
import {is} from '#validators';
import {
exitWithoutDependency,
raiseOutputWithoutDependency,
} from '#composite/control-flow';
import inputWikiData from './inputWikiData.js';
export default templateCompositeFrom({
annotation: `withResolvedReference`,
inputs: {
ref: input({type: 'string', acceptsNull: true}),
data: inputWikiData({allowMixedTypes: false}),
find: input({type: 'function'}),
notFoundMode: input({
validate: is('null', 'exit'),
defaultValue: 'null',
}),
},
outputs: ['#resolvedReference'],
steps: () => [
raiseOutputWithoutDependency({
dependency: input('ref'),
output: input.value({
['#resolvedReference']: null,
}),
}),
exitWithoutDependency({
dependency: input('data'),
}),
{
dependencies: [
input('ref'),
input('data'),
input('find'),
input('notFoundMode'),
],
compute(continuation, {
[input('ref')]: ref,
[input('data')]: data,
[input('find')]: findFunction,
[input('notFoundMode')]: notFoundMode,
}) {
const match = findFunction(ref, data, {mode: 'quiet'});
if (match === null && notFoundMode === 'exit') {
return continuation.exit(null);
}
return continuation.raiseOutput({
['#resolvedReference']: match ?? null,
});
},
},
],
});
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