FarfetchedattachOperation since v0.6.0
Creates new Query or Mutation on top of the existing one.
Formulae
attachOperation(query)
Creates new Query on top of the existing one.
ts
import { attachOperation, createQuery } from '@farfetched/core';
const originalQuery = createQuery({ handler: async () => 'some data' });
const attachedQuery = attachOperation(originalQuery);attachOperation(query, { mapParams })
Creates new Query on top of the existing one, transforming its parameters through mapParams function.
ts
import { attachOperation, createQuery } from '@farfetched/core';
const originalQuery = createQuery({
handler: async (params: string) => 'some data',
});
const attachedQuery = attachOperation(originalQuery, {
mapParams: (params: number) => params.toString(),
});attachOperation(query, { source, mapParams })
Creates new Query on top of the existing one, transforming its parameters through mapParams function with accept a value from source Store as a second argument.
ts
import { createStore } from 'effector';
import { attachOperation, createQuery } from '@farfetched/core';
const $externalStore = createStore(12);
const originalQuery = createQuery({
handler: async (params: string) => 'some data',
});
const attachedQuery = attachOperation(originalQuery, {
source: $externalStore,
mapParams: (params: number, externalSource) =>
(params + externalSource).toString(),
});attachOperation(mutation)
Creates new Mutation on top of the existing one.
ts
import { attachOperation, createMutation } from '@farfetched/core';
const originalMutation = createMutation({ handler: async () => 'some data' });
const attachedMutation = attachOperation(originalMutation);attachOperation(mutation, { mapParams })
Creates new Mutation on top of the existing one, transforming its parameters through mapParams function.
ts
import { attachOperation, createMutation } from '@farfetched/core';
const originaMutation = createMutation({
handler: async (params: string) => 'some data',
});
const attachedMutation = attachOperation(originaMutation, {
mapParams: (params: number) => params.toString(),
});attachOperation(mutation, { source, mapParams })
Creates new Mutation on top of the existing one, transforming its parameters through mapParams function with accept a value from source Store as a second argument.
ts
import { createStore } from 'effector';
import { attachOperation, createMutation } from '@farfetched/core';
const $externalStore = createStore(12);
const originalMutation = createMutation({
handler: async (params: string) => 'some data',
});
const attachedMutation = attachOperation(originalMutation, {
source: $externalStore,
mapParams: (params: number, externalSource) =>
(params + externalSource).toString(),
});