gristlabs_grist-core/app/common/hashingUtils.ts

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import {createHash} from 'crypto';
/**
* Returns a hash of `id` prefixed with the first 4 characters of `id`.
*
* Useful for situations where potentially sensitive identifiers are logged, such as
* doc ids (like those that have public link sharing enabled). The first 4 characters
* are included to assist with troubleshooting.
*/
export function hashId(id: string): string {
return `${id.slice(0, 4)}:${createHash('sha256').update(id.slice(4)).digest('base64')}`;
}