concise/src/index.js

A tool belt for concise schemas

// @flow

import type { Schema, InputProcessor, OutputProcessor } from 'concise-types';
import mergeSchemas from './mergeSchemas';
import preprocessSchema from './preprocessSchema';
import Authorizer from './authorizer';

class Concise {
  schema: Schema;

  constructor() {
    this.schema = {
      models: {},
    };
  }

  async input(processor: InputProcessor, options: Object = {}) {
    const schema = await processor(options);
    this.addSchema(schema);
    return this.schema;
  }

  addSchema(schema: Schema) {
    // TODO: validate?
    this.schema = mergeSchemas(this.schema, schema);
  }

  getSchema() {
    return this.schema;
  }

  async output(processor: OutputProcessor, options: Object = {}) {
    const preprocessedSchema = preprocessSchema(this.schema);
    const authorizer = new Authorizer(preprocessedSchema.authRules);
    const utils = { preprocessedSchema, authorizer };
    return processor(this.schema, options, utils);
  }
}

export default Concise;