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jdjkelly/fhir.ts

Created July 9, 2021 22:12
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Revisions

  1. jdjkelly created this gist Jul 9, 2021.
    99 changes: 99 additions & 0 deletions fhir.ts
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,99 @@
    /**
    * @module client
    * @remarks Almost no-dependency TS FHIR client (we use cross fetch to give us a fetch instance)
    */

    import fetch from "cross-fetch";

    type Summary = "true" | "false" | "text" | "count" | "data";

    export default function(baseUrl: string, init: RequestInit) {
    async function read(type: string, id: string, summary?: Summary) {
    return fetch(`${baseUrl}/type/id`, {
    method: "GET",
    ...init
    });
    }

    async function vread(type: string, id: string, vid: string) {
    return fetch(`${baseUrl}/${type}/${id}/_history/${vid}`, {
    method: "GET",
    ...init
    });
    }

    async function update(type: string, id: string, resource: fhir3.FhirResource | fhir4.FhirResource) {
    return fetch(`${baseUrl}/${type}/${id}`, {
    method: "PUT",
    body: JSON.stringify(resource),
    ...init
    });
    }

    async function patch(type: string, id: string, resource: fhir3.FhirResource | fhir4.FhirResource) {
    return fetch(`${baseUrl}/${type}/${id}`, {
    method: "PATCH",
    body: JSON.stringify(resource),
    ...init
    });
    }

    async function destroy(type: string, id: string) {
    return fetch(`${baseUrl}/${type}/${id}`, {
    method: "DELETE",
    ...init
    });
    }

    async function search() {
    throw new Error("Not Implemented");
    }

    async function create(type: string, id: string) {
    return fetch(`${baseUrl}/${type}`, {
    method: "POST",
    ...init
    });
    }

    async function history() {
    throw new Error("Not Implemented");
    }

    async function capabilities() {
    return fetch(`${baseUrl}/metadata`, {
    method: "GET",
    ...init
    });
    }

    async function batch(bundle: fhir3.Bundle | fhir4.Bundle) {
    return fetch(`${baseUrl}/`, {
    method: "POST",
    body: JSON.stringify(bundle),
    ...init
    });
    }

    async function transaction(bundle: fhir3.Bundle | fhir4.Bundle) {
    return fetch(`${baseUrl}/`, {
    method: "POST",
    body: JSON.stringify(bundle),
    ...init
    });
    }

    return {
    read,
    vread,
    update,
    patch,
    destroy,
    search,
    create,
    history,
    capabilities,
    batch,
    transaction
    }
    }