Created
June 21, 2021 23:45
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fetchAppDataRegistration
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| export const fetchAppDataRegistration = async ( | |
| typeIndexWebIds: string[], | |
| fetch: typeof window.fetch | |
| ) => | |
| await Promise.all( | |
| typeIndexWebIds.map(async (url) => { | |
| const typeIndexDataset = await getSolidDataset(url, { fetch }); | |
| const allThings = getThingAll(typeIndexDataset); | |
| // I'm pretty sure we don't expect multiple TypeIndexes, but is there a better practice? | |
| const typeIndex = allThings.find((t) => { | |
| const thingTypes = getUrlAll(t, TYPE_PREDICATE); | |
| return thingTypes.includes( | |
| "http://www.w3.org/ns/solid/terms#TypeIndex" | |
| ); | |
| }); | |
| if (!typeIndex) { | |
| throw new Error(`Could not find TypeIndex in '${typeIndex}'`); | |
| } | |
| const isListed = getUrlAll(typeIndex, TYPE_PREDICATE).includes( | |
| "http://www.w3.org/ns/solid/terms#ListedDocument" | |
| ); | |
| const isUnlisted = getUrlAll(typeIndex, TYPE_PREDICATE).includes( | |
| "http://www.w3.org/ns/solid/terms#UnlistedDocument" | |
| ); | |
| const typeRegistrations = allThings | |
| .filter((t) => { | |
| const thingTypes = getUrlAll(t, TYPE_PREDICATE); | |
| return thingTypes.includes( | |
| "http://www.w3.org/ns/solid/terms#TypeRegistration" | |
| ); | |
| }) | |
| .filter((t) => { | |
| const forClass = getStringNoLocale( | |
| t, | |
| "http://www.w3.org/ns/solid/terms#forClass" | |
| ); | |
| return forClass === APP_ID; | |
| }); | |
| return { | |
| url: getSourceUrl(typeIndexDataset), | |
| dataset: typeIndexDataset, | |
| type: (isListed && "listed") || (isUnlisted && "unlisted") || undefined, | |
| instances: typeRegistrations.flatMap((tr) => | |
| getUrlAll(tr, "http://www.w3.org/ns/solid/terms#instance") | |
| ), | |
| instanceContainers: typeRegistrations.flatMap((tr) => | |
| getUrlAll(tr, "http://www.w3.org/ns/solid/terms#instanceContainer") | |
| ), | |
| }; | |
| }) | |
| ); |
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