Val Town Code SearchReturn to Val Town

14    ),
15    ttl: 1,
16    fetchStub:
17      (data = {}, { status = 200, ok = status < 400 } = {}) => async () =>
18        Promise.resolve({ ok, status, json: async () => data } as const),
19    throwingFetchStub: async () => {
20      throw new Error("sync from test_dlock::throwingFetchStub");
21    },
22    ...await import("https://deno.land/std/assert/mod.ts"),
28      id,
29      ttl,
30      throwingFetchStub,
31      assertEquals,
32      assertRejects,
36    },
37  ) {
38    const fetchSpy = spy(throwingFetchStub);
39    const err = await assertRejects(() => dlock({ id, ttl }, fetchSpy));
40    assertEquals(err.message, "sync from test_dlock::throwingFetchStub");
41    assertSpyCalls(fetchSpy, 5);
42    assertSpyCall(fetchSpy, 4, {
43      args: [`https://dlock.univalent.net/lock/${id}/aquire?ttl=${ttl}`],
44    });
45  },
46  async function should_reject_ttl_of_0(
47    { dlock, id, ttl, fetchStub, assertMatch, assertRejects },
48  ) {
49    const err = await assertRejects(() => dlock({ id, ttl: 0 }, fetchStub()));
50    assertMatch(err.message, /ttl/);
51  },
52  async function should_return_lock_on_successful_request(
53    { dlock, deadline, fetchStub, assertFalse, assertEquals },
54  ) {
55    const lease = 375;
56    const lock = await dlock({}, fetchStub({ lease, deadline }));
57    assertEquals(lock.lease, lease, "lease");
58    assertEquals(lock.deadline, deadline, "deadline");
64  // runs into endless loop!
65  async function skip_should_reject_when_id_is_locked(
66    { dlock, id, ttl, deadline, fetchStub, assertRejects, assertEquals },
67  ) {
68    const error = "lock is acquired by another client";
69    const err = await assertRejects(() =>
70      dlock({ id, ttl }, fetchStub({ error, deadline }, { status: 409 }))
71    );
72    assertEquals(err.message, error);

1import { fetch } from "https://esm.town/v/std/fetch";
2
3export let fetchCat = async () => {
4  const result = await fetch("https://aws.random.cat/meow");
5  const json = await result.json();
6  return json.file;

1import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON";
2
3export let twitterJSON = ({url, bearerToken}) => fetchJSON(
4  url,
5  {headers: {authorization: `Bearer ${bearerToken}`}}

1import { parseXML } from "https://esm.town/v/stevekrouse/parseXML";
2import { fetchText } from "https://esm.town/v/stevekrouse/fetchText";
3
4export const fetchRSS = (url: string) =>
5  fetchText(url)
6    .then(parseXML)
7    .then(({ rss }) => rss);

1import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON?v=41";
2
3export let convertCurrency = async (desired, base = "usd", amount = 1) => {
4  let { rates } = await fetchJSON(
5    `https://open.er-api.com/v6/latest/${base}`,
6  );
8    return amount * (rates[desired.toUpperCase()]);
9  else {
10    let { rates } = await fetchJSON(
11      "https://api.coingecko.com/api/v3/exchange_rates",
12    );

1import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON?v=41";
2
3export function val({ token, id }: {
29    }
30    : {};
31  return fetchJSON(
32    "https://api.val.town/v1/vals/" + id,
33    { headers },

1import { fetch } from "https://esm.town/v/std/fetch";
2import { parseAuthorizationHeader } from "https://esm.town/v/pomdtr/parseAuthorizationHeader";
3
27    }
28  }
29  const resp = await fetch(url.toString(), {
30    method: req.method,
31    body: body || undefined,

1import { fetchAndStore } from "https://esm.town/v/tal/fetchAndStore";
2import { currentDateValues } from "https://esm.town/v/tal/currentDateValues";
3
4export let storeTodaysDate = (async () => {
5  const today = currentDateValues();
6  await fetchAndStore({
7    ...today,
8    menuType: "pre-k---8-lunch-menu",

1import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON?v=41";
2
3export const paginateAPI = async (
4  url: string,
5  options: Parameters<typeof fetch>[1],
6) => {
7  let result: any[] = [];
8  let nextUrl = url;
9  while (nextUrl) {
10    const { data, links } = await fetchJSON(
11      nextUrl,
12      options,

9    return c.html(html`<div style="background-color: pink;">Hello!</div>`);
10  });
11  return app.fetch(req);
12}