feathers-fletching/src/hooks/jsonQuery.ts

Hooks, services, and plugins for feathers.js

import type { HookContext } from '@feathersjs/feathers';
import { checkContext } from '../utils';

export const jsonQueryStringify = (
  options = {
    overwrite: true,
    propName: 'json'
  }
) => {
  return (context: HookContext) => {
    checkContext(context, 'before', null, 'jsonQueryStringify');
    const { query } = context.params;
    if (!query) {
      return context;
    }
    const { overwrite, propName } = Object.assign(
      {},
      options,
      context.params.jsonQueryStringify || {}
    );
    if (overwrite) {
      context.params.query = { [propName]: JSON.stringify(query) };
    } else {
      context.params.query[propName] = JSON.stringify(query);
    }
    return context;
  };
};

export const jsonQueryParse = (
  options = {
    overwrite: true,
    propName: 'json'
  }
) => {
  return (context: HookContext) => {
    checkContext(context, 'before', null, 'jsonQueryParse');
    const { query } = context.params;
    if (!query) {
      return context;
    }
    const { overwrite, propName } = Object.assign(
      {},
      options,
      context.params.jsonQueryParse
    );
    if (overwrite) {
      context.params.query = JSON.parse(query[propName]);
    } else {
      context.params.query[propName] = JSON.parse(query[propName]);
    }
    return context;
  };
};

// A convenience to add the client side hook to all service
// methods as the last hook w/o relying on the developer to
// handle placing it last on all methods/services manually.
// This plugin should be called after all services have been
// setup. Note that calling service.hooks() again after this
// will cause the jsonQueryStringify to no longer be last
export const jsonQueryClient = (app) => {
  Object.values(app.services).forEach((service: any) => {
    service.hooks({
      before: {
        find: [jsonQueryStringify()],
        get: [jsonQueryStringify()],
        create: [jsonQueryStringify()],
        update: [jsonQueryStringify()],
        patch: [jsonQueryStringify()],
        remove: [jsonQueryStringify()]
      }
    });
  });
};

// A convenience to add the server side hook
// as the first hook in app.hooks. Should be called
// before any other app.hooks()
export const jsonQueryServer = (app) => {
  app.hooks({ before: { all: [jsonQueryParse()] } });
};