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feathersjs patch example
Note: With a database adapters data can be an array but the multi option has to be set. It is only available in error hooks. That means that a service at http://api.feathersjs.com/api/v1/messages with a base URL of http://api.feathersjs.com would be available as app.service('api/v1/messages'). Important: A successful create method call emits the created service event. For specifics on how to use the database adapters, see the database adapters common API.
Real-time events from other clients can only be received by using a real-time transport (Socket.io or Primus). the string 'true' to boolean true) can be done in a hook as well.
For remove, update and patch context.id can also be null when modifying multiple entries. Using request.defaults - which creates a new request object - is a great way to set things like default headers or authentication information: Superagent currently works with a default configuration: Axios currently works with a default configuration: It is possible to instantiate and use individual services pointing to different servers by calling rest('server').
context.dispatch is a writeable, optional property and contains a "safe" version of the data that should be sent to any client.
Options: 1. Service methods must use async/await or return a Promise and have the following parameters: Once registered, the service can be retrieved and used via app.service(): Note: Although probably the most common use case, a service does not necessarily have to connect to a database. A hook is transport independent, which means it does not matter if it has been called through HTTP(S) (REST), Socket.io, Primus or any other transport Feathers may support in the future. context.event is a writeable, optional property that allows service events to be skipped by setting it to null. Note: With a database adapters the multi option has to be set explicitly to support creating multiple entries. Application hooks are registered in the same format as service hooks and also work exactly the same. Examples. Normally all hooks should be registered at once however to see at a glance what the service is going to do.
All other hooks will still execute in their normal order. REST client services can be initialized by loading @feathersjs/rest-client and initializing a client object with a base URL: ProTip: In the browser, the base URL is relative from where services are registered. This will avoid many common issues when using Promises and asynchronous hook flows. To add hooks to every service app.hooks(hooks) can be used. or Edit this page, ← Request specific headers can be through params.headers in a service call: Allows to pass additional options specific to the AJAX library. When context.result is set in a before hook, the original service method call will be skipped. Note: Promise.all makes sure that all asynchronous operations complete before returning all the data. service.mixin(mixin) -> service extends the functionality of a service. When no id is given by sending the request directly to the endpoint something like: Will call messages.patch(null, { complete: true }, { query: { complete: 'false' } }) on the server to change the status for all read messages. context.method is a read only property with the name of the service method (find, get, create, update, patch, remove). context.data is a writeable property containing the data of a create, update and patch service method call.
"Services" are the heart of every Feathers application. For more information, see the channels chapter. # Hooks vs. extending services In the previous chapter we extended our user service to add a user avatar. context.type is a read only property with the hook type (one of before, after or error).
setup is a great place to initialize your service with any special configuration or if connecting services that are very tightly coupled (see below). Note: For directly using a Feathers REST API (via HTTP) without using Feathers on the client see the HTTP API section.
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