Bulk deletion in Sanity.io with webtask.io/make

Bulk delete by field

// Remember to add npm dependencies (click the 🔧)
const SanityClient = require('@sanity/client');
const client = token => SanityClient({
  projectId: '<YourProjectID>',
  dataset: 'production',
  useCdn: false,
  token
});

module.exports = async function(context, cb) {
  // Remember to add the token to secrets (click the 🔧)
  const { SANITY_TOKEN } = context.secrets;
  const res = await client(SANITY_TOKEN).delete({query: "*[delete]"});
  await cb(null, {deleted: res});
};

/*
Given the field:

{
  name: 'delete',
  type: 'boolean',
  title: 'Mark for deletion',
  description: 'This marks this document for scheduled deletion'
}
*/