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@startupjs/sharedb-schema
Advanced tools
validate
hook, so you validate the actual result of operationyarn add @startupjs/sharedb-schema
var options = {
schemas: {
users: {
title: 'Example Schema',
type: 'object',
properties: {
nickname: {
type: 'string',
format: 'xstring', // custom format
minLength: 1,
maxLength: 10,
},
email: {
type: 'string',
format: 'email',
},
age: {
description: 'Age in years',
type: 'integer',
minimum: 0,
},
roleId: {
type: 'string',
collection: 'roles', // additional field for 'join' custom validator
validators: ['join'], // custom validators
},
hobbies: {
type: 'array',
maxItems: 3,
items: {
type: 'string',
},
uniqueItems: true,
},
},
required: ['email'],
}
},
// JSON-Schema formats can be added here. They should be sync
formats: {
xstring: function(str) {
return str !== 'xxx';
}
},
// Custom validators
validators: {
// join - is working example of custom validator. It ensures that value is id of doc of specific collection
join: {
async: function (context, done) {
var id = context.value // here is value for this op
if (!id) return done()
var collection = context.schema.collection // context.schema - is schema of current property
var model = this.store.createModel()
var $entity = model.at(collection + '.' + id)
model.fetch($entity, function (err) {
if (err) return done(err)
if (!$entity.get()) {
return done(Error('No ' + collection + ' with id ' + id))
}
done()
})
},
},
// this is example of custom validator, that preloads data and uses it later
preload: {
async: function (context, done) {
var model = this.store.createModel() // that`s how to get model
var $someData = model.at('some.path')
model.fetch($someData, function (err) {
if (err) return done(err)
var data = $someData.get()
done(null, data) // pass data as second parameter
})
},
sync: function (value, context) {
var data = context.data // preloaded data is here
return true || false
},
},
},
}
Add the sharedbSchemaInit
function to your server/index.js
const sharedbSchemaInit = require('@startupjs/sharedb-schema')
and then call this function in the backend event
eventEmitter.on('backend', async backend => {
sharedbSchemaInit(backend, options)
})
Copyright (c) 2016 Pavel Zhukov
FAQs
Racer plugin for schema validation module for ShareDB
The npm package @startupjs/sharedb-schema receives a total of 42 weekly downloads. As such, @startupjs/sharedb-schema popularity was classified as not popular.
We found that @startupjs/sharedb-schema demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 6 open source maintainers collaborating on the project.
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