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fix(api): 🎨 Do wizardry on qs middleware to also work on multipart formData

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Jesse Wierzbinski 2024-05-08 01:16:16 -10:00
parent 2acd281c76
commit a9629b825b
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4 changed files with 71 additions and 24 deletions
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71
utils/api.ts
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@ -107,19 +107,70 @@ export const auth = (authData: APIRouteMetadata["auth"]) =>
};
});
/**
* Middleware to magically unfuck forms
* Add it to random Hono routes and hope it works
* @returns
*/
export const qs = () => {
return createMiddleware(async (context, next) => {
const parsed = parse(await context.req.text(), {
parseArrays: true,
interpretNumericEntities: true,
});
const contentType = context.req.header("content-type");
context.req.parseBody = <T extends BodyData = BodyData>() =>
Promise.resolve(parsed as T);
// @ts-ignore Very bad hack
context.req.formData = () => Promise.resolve(parsed);
// @ts-ignore I'm so sorry for this
context.req.bodyCache.formData = parsed;
if (contentType?.includes("multipart/form-data")) {
// Get it as a query format to pass on to qs, then insert back files
const formData = await context.req.formData();
const urlparams = new URLSearchParams();
const files = new Map<string, File>();
for (const [key, value] of [...formData.entries()]) {
if (Array.isArray(value)) {
for (const val of value) {
urlparams.append(key, val);
}
} else if (!(value instanceof File)) {
urlparams.append(key, String(value));
} else {
if (!files.has(key)) {
files.set(key, value);
}
}
}
const parsed = parse(urlparams.toString(), {
parseArrays: true,
interpretNumericEntities: true,
});
// @ts-ignore Very bad hack
context.req.parseBody = <T extends BodyData = BodyData>() =>
Promise.resolve({
...parsed,
...Object.fromEntries(files),
} as T);
context.req.formData = () =>
// @ts-ignore I'm so sorry for this
Promise.resolve({
...parsed,
...Object.fromEntries(files),
});
// @ts-ignore I'm so sorry for this
context.req.bodyCache.formData = {
...parsed,
...Object.fromEntries(files),
};
} else if (contentType?.includes("application/x-www-form-urlencoded")) {
const parsed = parse(await context.req.text(), {
parseArrays: true,
interpretNumericEntities: true,
});
context.req.parseBody = <T extends BodyData = BodyData>() =>
Promise.resolve(parsed as T);
// @ts-ignore Very bad hack
context.req.formData = () => Promise.resolve(parsed);
// @ts-ignore I'm so sorry for this
context.req.bodyCache.formData = parsed;
}
await next();
});
};