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Forked from stevekrouse/umbrellaReminder
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import { email } from "https://esm.town/v/std/email?v=9";
import { fetchJSON } from "https://esm.town/v/stevekrouse/fetchJSON";
import { nominatimSearch } from "https://esm.town/v/stevekrouse/nominatimSearch";
import { weatherGovGrid } from "https://esm.town/v/stevekrouse/weatherGovGrid";
export const umbrellaReminder = async (arg) => {
if (arg.method) return Response.json("");
let location = "Inner Richmond, San Francisco"; // <---- customize this line
let [{ lat, lon }] = await nominatimSearch({
q: location,
});
let { properties: grid } = await weatherGovGrid({
lat,
lon,
});
let { properties: { periods } } = await fetchJSON(
grid.forecastHourly,
);
let { DateTime } = await import("npm:luxon");
let parse = (iso) => DateTime.fromISO(iso).setZone(grid.timeZone);
let today = periods.filter((x) =>
parse(x.startTime).toLocaleString()
=== DateTime.now().setZone(grid.timeZone).toLocaleString()
);
if (today.every((x) => x.probabilityOfPrecipitation.value < 30))
return today;
let format = (iso) => parse(iso).toFormat("ha").toLowerCase();
let html = `The probabilities of rain in <b>${location}</b> today:<br><br>`
+ today.map((
{ startTime, endTime, probabilityOfPrecipitation: { value: p } },
) => `${format(startTime)}-${format(endTime)}: ${p}%`).join("<br>");
return email({ html, subject: "☔️ Rain Alert!" });
};
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May 18, 2024