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misskey/src/server/api/get-params.ts

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2018-07-05 22:35:35 +09:00
import { Query } from 'cafy';
type Defs = {
params: {[key: string]: {
def: Query<any>;
default?: any;
}}
};
export default function <T extends Defs>(defs: T, params: any): [{
[P in keyof T['params']]: ReturnType<T['params'][P]['def']['get']>[0];
}, Error] {
const x: any = {};
let err: Error = null;
Object.keys(defs.params).some(k => {
const [v, e] = defs.params[k].def.get(params[k]);
if (e) {
err = e;
return true;
} else {
if (v === undefined && defs.params[k].default) {
x[k] = defs.params[k].default;
} else {
x[k] = v;
}
return false;
}
});
return [x, err];
}