rudeshark.net/src/server/api/get-params.ts

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import { Context } from 'cafy';
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type Defs = {
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params: { [key: string]: Context<any> }
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};
export default function <T extends Defs>(defs: T, params: any): [{
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[P in keyof T['params']]: ReturnType<T['params'][P]['get']>[0];
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}, Error] {
const x: any = {};
let err: Error = null;
Object.keys(defs.params).some(k => {
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const [v, e] = defs.params[k].get(params[k]);
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if (e) {
err = e;
return true;
} else {
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if (v === undefined && defs.params[k].data.default) {
x[k] = defs.params[k].data.default;
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} else {
x[k] = v;
}
return false;
}
});
return [x, err];
}