cohere

Simple schemas

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cohere
201.1.15 years ago5 years agoMinified + gzip package size for cohere in KB

Readme

Cohere

Declaratively define a schema with types and their associations with other types, then compile.

// schema.js
import Schema, { hasMany, hasOne, belongsTo } from 'cohere';

export const schema = new Schema()

  // create the user type
  .defineType('user', {
    attributes: {
      name: true,
      email: true,
    },
    relationships: {
      blogs: hasMany('blog', 'author'),
    },
  })

  // create the blog type
  .defineType('blog', {
    attributes: {
      title: true,
      content: true,
      createdOn: true,
    },
    relationships: {
      author: belongsTo('user', 'blogs'),
    },
  })

  // link types together and hydrate every relationship's inverse
  .compile();

Iterating over types, attributes, and relationships

The following iterators are supported for iterating over a type and its attributes/relationships:

  • forEach
  • map
  • some
  • every
  • filter
  • find
  • reduce
import schema from './schema.js';

schema.types.forEach(type => {
  const { attributes, relationships } = type;

  attributes.forEach(attribute => {
    const { field, type: attrType } = attribute;
    doSomething();
  });

  relationships.forEach(relationship => {
    const { field, name, relation, inverse, ...options } = relationship;
    doSomething();
  });
});

If you find any bugs or have a feature request, please open an issue on github!

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