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impress/app/javascript/wardrobe-2020/util.js

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import React from "react";
import {
Box,
Flex,
Grid,
Heading,
Link,
useColorModeValue,
} from "@chakra-ui/react";
import loadableLibrary from "@loadable/component";
import * as Sentry from "@sentry/react";
import { WarningIcon } from "@chakra-ui/icons";
import ErrorGrundoImg from "./images/error-grundo.png";
import ErrorGrundoImg2x from "./images/error-grundo@2x.png";
/**
* Delay hides its content at first, then shows it after the given delay.
*
* This is useful for loading states: it can be disruptive to see a spinner or
* skeleton element for only a brief flash, we'd rather just show them if
* loading is genuinely taking a while!
*
* 300ms is a pretty good default: that's about when perception shifts from "it
* wasn't instant" to "the process took time".
* https://developers.google.com/web/fundamentals/performance/rail
*/
export function Delay({ children, ms = 300 }) {
const [isVisible, setIsVisible] = React.useState(false);
React.useEffect(() => {
const id = setTimeout(() => setIsVisible(true), ms);
return () => clearTimeout(id);
}, [ms, setIsVisible]);
return (
<Box opacity={isVisible ? 1 : 0} transition="opacity 0.5s">
{children}
</Box>
);
}
/**
* Heading1 is a large, page-title-ish heading, with our DTI-brand-y Delicious
* font and some special typographical styles!
*/
export function Heading1({ children, ...props }) {
return (
<Heading
as="h1"
size="2xl"
fontFamily="Delicious, sans-serif"
fontWeight="800"
{...props}
>
{children}
</Heading>
);
}
/**
* Heading2 is a major subheading, with our DTI-brand-y Delicious font and some
* special typographical styles!!
*/
export function Heading2({ children, ...props }) {
return (
<Heading
as="h2"
size="xl"
fontFamily="Delicious, sans-serif"
fontWeight="700"
{...props}
>
{children}
</Heading>
);
}
/**
* Heading2 is a minor subheading, with our DTI-brand-y Delicious font and some
* special typographical styles!!
*/
export function Heading3({ children, ...props }) {
return (
<Heading
as="h3"
size="lg"
fontFamily="Delicious, sans-serif"
fontWeight="700"
{...props}
>
{children}
</Heading>
);
}
/**
* ErrorMessage is a simple error message for simple errors!
*/
export function ErrorMessage({ children, ...props }) {
return (
<Box color="red.400" {...props}>
{children}
</Box>
);
}
export function useCommonStyles() {
return {
brightBackground: useColorModeValue("white", "gray.700"),
bodyBackground: useColorModeValue("gray.50", "gray.800"),
};
}
/**
* safeImageUrl returns an HTTPS-safe image URL for Neopets assets!
*/
export function safeImageUrl(
urlString,
{ crossOrigin = null, preferArchive = false } = {},
) {
if (urlString == null) {
return urlString;
}
let url;
try {
url = new URL(
urlString,
// A few item thumbnail images incorrectly start with "/". When that
// happens, the correct URL is at images.neopets.com.
//
// So, we provide "http://images.neopets.com" as the base URL when
// parsing. Most URLs are absolute and will ignore it, but relative URLs
// will resolve relative to that base.
"http://images.neopets.com",
);
} catch (e) {
logAndCapture(
new Error(
`safeImageUrl could not parse URL: ${urlString}. Returning a placeholder.`,
),
);
return "https://impress-2020.openneo.net/__error__URL-was-not-parseable__";
}
// Rewrite Neopets URLs to their HTTPS equivalents, and additionally to our
// proxy if we need CORS headers.
if (
url.origin === "http://images.neopets.com" ||
url.origin === "https://images.neopets.com"
) {
url.protocol = "https:";
if (preferArchive) {
const archiveUrl = new URL(
`/api/readFromArchive`,
window.location.origin,
);
archiveUrl.search = new URLSearchParams({ url: url.toString() });
url = archiveUrl;
} else if (crossOrigin) {
url.host = "images.neopets-asset-proxy.openneo.net";
}
} else if (
url.origin === "http://pets.neopets.com" ||
url.origin === "https://pets.neopets.com"
) {
url.protocol = "https:";
if (crossOrigin) {
url.host = "pets.neopets-asset-proxy.openneo.net";
}
}
if (url.protocol !== "https:" && url.hostname !== "localhost") {
logAndCapture(
new Error(
`safeImageUrl was provided an unsafe URL, but we don't know how to ` +
`upgrade it to HTTPS: ${urlString}. Returning a placeholder.`,
),
);
return "https://impress-2020.openneo.net/__error__URL-was-not-HTTPS__";
}
return url.toString();
}
/**
* useDebounce helps make a rapidly-changing value change less! It waits for a
* pause in the incoming data before outputting the latest value.
*
* We use it in search: when the user types rapidly, we don't want to update
* our query and send a new request every keystroke. We want to wait for it to
* seem like they might be done, while still feeling responsive!
*
* Adapted from https://usehooks.com/useDebounce/
*/
export function useDebounce(
value,
delay,
{ waitForFirstPause = false, initialValue = null, forceReset = null } = {},
) {
// State and setters for debounced value
const [debouncedValue, setDebouncedValue] = React.useState(
waitForFirstPause ? initialValue : value,
);
React.useEffect(
() => {
// Update debounced value after delay
const handler = setTimeout(() => {
setDebouncedValue(value);
}, delay);
// Cancel the timeout if value changes (also on delay change or unmount)
// This is how we prevent debounced value from updating if value is changed ...
// .. within the delay period. Timeout gets cleared and restarted.
return () => {
clearTimeout(handler);
};
},
[value, delay], // Only re-call effect if value or delay changes
);
// The `forceReset` option helps us decide whether to set the value
// immediately! We'll update it in an effect for consistency and clarity, but
// also return it immediately rather than wait a tick.
const shouldForceReset = forceReset && forceReset(debouncedValue, value);
React.useEffect(() => {
if (shouldForceReset) {
setDebouncedValue(value);
}
}, [shouldForceReset, value]);
return shouldForceReset ? value : debouncedValue;
}
/**
* useFetch uses `fetch` to fetch the given URL, and returns the request state.
*
* Our limited API is designed to match the `use-http` library!
*/
export function useFetch(url, { responseType, skip, ...fetchOptions }) {
// Just trying to be clear about what you'll get back ^_^` If we want to
// fetch non-binary data later, extend this and get something else from res!
if (responseType !== "arrayBuffer") {
throw new Error(`unsupported responseType ${responseType}`);
}
const [response, setResponse] = React.useState({
loading: skip ? false : true,
error: null,
data: null,
});
// We expect this to be a simple object, so this helps us only re-send the
// fetch when the options have actually changed, rather than e.g. a new copy
// of an identical object!
const fetchOptionsAsJson = JSON.stringify(fetchOptions);
React.useEffect(() => {
if (skip) {
return;
}
let canceled = false;
fetch(url, JSON.parse(fetchOptionsAsJson))
.then(async (res) => {
if (canceled) {
return;
}
const arrayBuffer = await res.arrayBuffer();
setResponse({ loading: false, error: null, data: arrayBuffer });
})
.catch((error) => {
if (canceled) {
return;
}
setResponse({ loading: false, error, data: null });
});
return () => {
canceled = true;
};
}, [skip, url, fetchOptionsAsJson]);
return response;
}
/**
* useLocalStorage is like React.useState, but it persists the value in the
* device's `localStorage`, so it comes back even after reloading the page.
*
* Adapted from https://usehooks.com/useLocalStorage/.
*/
let storageListeners = [];
export function useLocalStorage(key, initialValue) {
const loadValue = React.useCallback(() => {
if (typeof localStorage === "undefined") {
return initialValue;
}
try {
const item = localStorage.getItem(key);
return item ? JSON.parse(item) : initialValue;
} catch (error) {
console.error(error);
return initialValue;
}
}, [key, initialValue]);
const [storedValue, setStoredValue] = React.useState(loadValue);
const setValue = React.useCallback(
(value) => {
try {
setStoredValue(value);
window.localStorage.setItem(key, JSON.stringify(value));
storageListeners.forEach((l) => l());
} catch (error) {
console.error(error);
}
},
[key],
);
const reloadValue = React.useCallback(() => {
setStoredValue(loadValue());
}, [loadValue, setStoredValue]);
// Listen for changes elsewhere on the page, and update here too!
React.useEffect(() => {
storageListeners.push(reloadValue);
return () => {
storageListeners = storageListeners.filter((l) => l !== reloadValue);
};
}, [reloadValue]);
// Listen for changes in other tabs, and update here too! (This does not
// catch same-page updates!)
React.useEffect(() => {
window.addEventListener("storage", reloadValue);
return () => window.removeEventListener("storage", reloadValue);
}, [reloadValue]);
return [storedValue, setValue];
}
export function loadImage(
rawSrc,
{ crossOrigin = null, preferArchive = false } = {},
) {
const src = safeImageUrl(rawSrc, { crossOrigin, preferArchive });
const image = new Image();
let canceled = false;
let resolved = false;
const promise = new Promise((resolve, reject) => {
image.onload = () => {
if (canceled) return;
resolved = true;
resolve(image);
};
image.onerror = () => {
if (canceled) return;
reject(new Error(`Failed to load image: ${JSON.stringify(src)}`));
};
if (crossOrigin) {
image.crossOrigin = crossOrigin;
}
image.src = src;
});
promise.cancel = () => {
// NOTE: To keep `cancel` a safe and unsurprising call, we don't cancel
// resolved images. That's because our approach to cancelation
// mutates the Image object we already returned, which could be
// surprising if the caller is using the Image and expected the
// `cancel` call to only cancel any in-flight network requests.
// (e.g. we cancel a DTI movie when it unloads from the page, but
// it might stick around in the movie cache, and we want those images
// to still work!)
if (resolved) return;
image.src = "";
canceled = true;
};
return promise;
}
/**
* loadable is a wrapper for `@loadable/component`, with extra error handling.
* Loading the page will often fail if you keep a session open during a deploy,
* because Vercel doesn't keep old JS chunks on the CDN. Recover by reloading!
*/
export function loadable(load, options) {
return loadableLibrary(
() =>
load().catch((e) => {
console.error("Error loading page, reloading:", e);
window.location.reload();
// Return a component that renders nothing, while we reload!
return () => null;
}),
options,
);
}
/**
* logAndCapture will print an error to the console, and send it to Sentry.
*
* This is useful when there's a graceful recovery path, but it's still a
* genuinely unexpected error worth logging.
*/
export function logAndCapture(e) {
console.error(e);
Sentry.captureException(e);
}
export function getGraphQLErrorMessage(error) {
// If this is a GraphQL Bad Request error, show the message of the first
// error the server returned. Otherwise, just use the normal error message!
return (
error?.networkError?.result?.errors?.[0]?.message || error?.message || null
);
}
export function MajorErrorMessage({ error = null, variant = "unexpected" }) {
// Log the detailed error to the console, so we can have a good debug
// experience without the parent worrying about it!
React.useEffect(() => {
if (error) {
console.error(error);
}
}, [error]);
return (
<Flex justify="center" marginTop="8">
<Grid
templateAreas='"icon title" "icon description" "icon details"'
templateColumns="auto minmax(0, 1fr)"
maxWidth="500px"
marginX="8"
columnGap="4"
>
<Box gridArea="icon" marginTop="2">
<Box
borderRadius="full"
boxShadow="md"
overflow="hidden"
width="100px"
height="100px"
>
<img
src={ErrorGrundoImg}
srcset={`${ErrorGrundoImg}, ${ErrorGrundoImg2x} 2x`}
alt="Distressed Grundo programmer"
width={100}
height={100}
layout="fixed"
/>
</Box>
</Box>
<Box gridArea="title" fontSize="lg" marginBottom="1">
{variant === "unexpected" && <>Ah dang, I broke it 😖</>}
{variant === "network" && <>Oops, it didn't work, sorry 😖</>}
{variant === "not-found" && <>Oops, page not found 😖</>}
</Box>
<Box gridArea="description" marginBottom="2">
{variant === "unexpected" && (
<>
There was an error displaying this page. I'll get info about it
automatically, but you can tell me more at{" "}
<Link href="mailto:matchu@openneo.net" color="green.400">
matchu@openneo.net
</Link>
!
</>
)}
{variant === "network" && (
<>
There was an error displaying this page. Check your internet
connection and try againand if you keep having trouble, please
tell me more at{" "}
<Link href="mailto:matchu@openneo.net" color="green.400">
matchu@openneo.net
</Link>
!
</>
)}
{variant === "not-found" && (
<>
We couldn't find this page. Maybe it's been deleted? Check the URL
and try againand if you keep having trouble, please tell me more
at{" "}
<Link href="mailto:matchu@openneo.net" color="green.400">
matchu@openneo.net
</Link>
!
</>
)}
</Box>
{error && (
<Box gridArea="details" fontSize="xs" opacity="0.8">
<WarningIcon
marginRight="1.5"
marginTop="-2px"
aria-label="Error message"
/>
"{getGraphQLErrorMessage(error)}"
</Box>
)}
</Grid>
</Flex>
);
}
export function TestErrorSender() {
React.useEffect(() => {
if (window.location.href.includes("send-test-error-for-sentry")) {
throw new Error("Test error for Sentry");
}
});
return null;
}