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jsonDoc.server.ts
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import { customRandom } from "nanoid";
import safeFetch from "./utilities/safeFetch";
import createFromRawXml from "./utilities/xml/createFromRawXml";
import isXML from "./utilities/xml/isXML";
type BaseJsonDocument = {
id: string;
title: string;
readOnly: boolean;
};
export type RawJsonDocument = BaseJsonDocument & {
type: "raw";
contents: string;
};
export type UrlJsonDocument = BaseJsonDocument & {
type: "url";
url: string;
};
export type CreateJsonOptions = {
ttl?: number;
readOnly?: boolean;
injest?: boolean;
metadata?: any;
};
export type JSONDocument = RawJsonDocument | UrlJsonDocument;
export async function createFromUrlOrRawJson(
urlOrJson: string,
title?: string
): Promise<JSONDocument | undefined> {
if (isUrl(urlOrJson)) {
return createFromUrl(new URL(urlOrJson), title);
}
if (isJSON(urlOrJson)) {
return createFromRawJson("Untitled", urlOrJson);
}
// Wrapper for createFromRawJson to handle XML
// TODO ? change from urlOrJson to urlOrJsonOrXml
if (isXML(urlOrJson)) {
return createFromRawXml("Untitled", urlOrJson);
}
}
export async function createFromUrl(
url: URL,
title?: string,
options?: CreateJsonOptions
): Promise<JSONDocument> {
if (options?.injest) {
const response = await safeFetch(url.href);
if (!response.ok) {
throw new Error(`Failed to injest ${url.href}`);
}
return createFromRawJson(title || url.href, await response.text(), options);
}
const docId = createId();
const doc: JSONDocument = {
id: docId,
type: <const>"url",
url: url.href,
title: title ?? url.hostname,
readOnly: options?.readOnly ?? false,
};
await DOCUMENTS.put(docId, JSON.stringify(doc), {
expirationTtl: options?.ttl ?? undefined,
metadata: options?.metadata ?? undefined,
});
return doc;
}
export async function createFromRawJson(
filename: string,
contents: string,
options?: CreateJsonOptions
): Promise<JSONDocument> {
const docId = createId();
const doc: JSONDocument = {
id: docId,
type: <const>"raw",
contents,
title: filename,
readOnly: options?.readOnly ?? false,
};
JSON.parse(contents);
await DOCUMENTS.put(docId, JSON.stringify(doc), {
expirationTtl: options?.ttl ?? undefined,
metadata: options?.metadata ?? undefined,
});
return doc;
}
export async function getDocument(
slug: string
): Promise<JSONDocument | undefined> {
const doc = await DOCUMENTS.get(slug);
if (!doc) return;
return JSON.parse(doc);
}
export async function updateDocument(
slug: string,
title: string
): Promise<JSONDocument | undefined> {
const document = await getDocument(slug);
if (!document) return;
const updated = { ...document, title };
await DOCUMENTS.put(slug, JSON.stringify(updated));
return updated;
}
export async function deleteDocument(slug: string): Promise<void> {
await DOCUMENTS.delete(slug);
}
function createId(): string {
const nanoid = customRandom(
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmn
46E7
opqrstuvwxyz",
12,
(bytes: number): Uint8Array => {
const array = new Uint8Array(bytes);
crypto.getRandomValues(array);
return array;
}
);
return nanoid();
}
function isUrl(possibleUrl: string): boolean {
try {
new URL(possibleUrl);
return true;
} catch {
return false;
}
}
function isJSON(possibleJson: string): boolean {
try {
JSON.parse(possibleJson);
return true;
} catch (e: any) {
throw new Error(e.message);
}
}