@npio/filesystem/src/utils.ts

A free visual website editor, powered with your own SolidJS components.

import type { FetchEvent } from "@solidjs/start/server";
import { getRequestEvent } from "solid-js/web";
import { Readable } from "stream";
import { createError, setResponseHeader } from "h3";
import type { H3Event } from "h3";

export const maxCacheAge = 365 * 24 * 60 * 60;
export const commonCacheAge = 24 * 60 * 60;

export const promisifyStream = (stream: Readable) =>
  new Promise<void>((resolve, reject) => {
    stream.on("error", reject);
    stream.on("end", resolve);
  });

const fontFileEndings = /\.(woff2?|otf|ttf)$/;
export const isFont = (name: string) => !!name.match(fontFileEndings);

/**
 * Converts irregular content types to better ones
 * @param type
 * @returns
 */
export const contentType = (type: string) => {
  if (type === "application/vnd.oasis.opendocument.formula-template") {
    type = "font/otf";
  }

  return type;
};

/**
 * Depending on the order of imported types,
 * the event.nativeEvent types do not match with the ones,
 * required by h3 utilities.
 */
export const h3Event = (event: FetchEvent) => event.nativeEvent as H3Event;

export const assertBodySize = ({
  maxSize,
  event = getRequestEvent()!,
}: {
  maxSize: number;
  message?: string;
  event?: FetchEvent;
}) => {
  const bodySize = parseFloat(
    event.request.headers.get("content-length") ?? "0",
  );
  if (bodySize <= maxSize) {
    return;
  }

  setResponseHeader(h3Event(event), "Connection", "close");

  throw createError({
    message: "Content Too Large",
    statusCode: 413,
  });
};