58 lines
1.3 KiB
TypeScript
58 lines
1.3 KiB
TypeScript
import * as mongo from 'mongodb';
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import { Context } from 'cafy';
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import isObjectId from './is-objectid';
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export const isAnId = (x: any) => mongo.ObjectID.isValid(x);
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export const isNotAnId = (x: any) => !isAnId(x);
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export const transform = (x: string | mongo.ObjectID): mongo.ObjectID => {
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if (x === undefined) return undefined;
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if (x === null) return null;
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if (isAnId(x) && !isObjectId(x)) {
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return new mongo.ObjectID(x);
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} else {
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return x as mongo.ObjectID;
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}
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};
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export const transformMany = (xs: (string | mongo.ObjectID)[]): mongo.ObjectID[] => {
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if (xs == null) return null;
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return xs.map(x => transform(x));
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};
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export type ObjectId = mongo.ObjectID;
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/**
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* ID
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*/
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export default class ID<Maybe = string> extends Context<string | Maybe> {
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public readonly name = 'ID';
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constructor(optional = false, nullable = false) {
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super(optional, nullable);
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this.push((v: any) => {
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if (!isObjectId(v) && isNotAnId(v)) {
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return new Error('must-be-an-id');
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}
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return true;
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});
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}
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public getType() {
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return super.getType('String');
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}
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public makeOptional(): ID<undefined> {
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return new ID(true, false);
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}
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public makeNullable(): ID<null> {
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return new ID(false, true);
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}
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public makeOptionalNullable(): ID<undefined | null> {
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return new ID(true, true);
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}
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}
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