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| import { useQuery } from 'react-apollo-hooks' | |
| const RandomGiphy = () => { | |
| const { tag } = useSettings() | |
| const { data } = useQuery( | |
| RandomGiphyQuery, { | |
| variables: { tag } | |
| } | |
| } | |
| // handle loading & error states... |
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| import { useQuery } from 'react-apollo-hooks' | |
| const RandomGiphy = ({ tag }) => { | |
| const { data } = useQuery( | |
| RandomGiphyQuery, { | |
| variables: { tag } | |
| } | |
| } | |
| // handle loading & error states... | |
| return <img src={data.giphy.random.url} /> |
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| // HOC approach was first and some still prefer it for whatever reasons | |
| // Along with recompose you can do some real nasty tricks | |
| const MutateMe = graphql(MutationDocument, { name: 'execute' })(({ execute }) => { | |
| // In comparison it's not a terrible way to execute a mutation | |
| // But naming the mutation with string 😆 | |
| return <button onClick={() => execute({ variables: { secretName: 'Me' }})} /> | |
| }) | |
| // Mutation component is fine for simple cases, but gets ugly otherwise | |
| const MutateMe = () => { |
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| const formik = mobx.observable({ | |
| values: props.initialValues || {}, | |
| touched: {}, | |
| errors: {}, | |
| // scalar values needs to be wrapped into another object | |
| // otherwise after spreading MobX would lost track of it | |
| state: { | |
| isSubmitting: false, | |
| submitError: null | |
| } |
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| React.useEffect(() => | |
| mobx.autorun(() => { | |
| if (props.validate) { | |
| // MobX will see use of formik.values and rerun this function whenever it is mutated | |
| formik.errors = props.validate(formik.values); | |
| } | |
| }), [] | |
| ); |
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| function useFormik(props) { | |
| // useState to keep the same observable around without recreating it on each render | |
| const [formik] = React.useState(() => | |
| mobx.observable({ | |
| values: props.initialValues || {}, | |
| touched: {} | |
| }) | |
| ) | |
| // just mutate state, this function itself can be considered an action+reducer |
danielkcz
/ PageTitle.ts
Created
August 23, 2018 20:17
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| import { Trans } from '@lingui/react' | |
| import React, { Children } from 'react' | |
| interface IProps { | |
| children: ReactNode | string | |
| } | |
| interface IState { | |
| refs: React.RefObject<Trans>[] |
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| import { ApolloQueryResult } from 'apollo-client' | |
| import { DocumentNode } from 'graphql' | |
| import React from 'react' | |
| import { graphql } from 'react-apollo' | |
| import { MutationFunc, MutationOpts } from 'react-apollo/types' | |
| interface IQueryProps<TResult, TVariables = {}> { | |
| render( | |
| execute: (variables?: Partial<TVariables>) => Promise<TResult>, | |
| executionOptions?: MutationOpts<TVariables>, |
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| declare module 'mobx-react-form' { | |
| export default MRF.MobxReactForm | |
| } | |
| type Dictionary<T> = { [key: string]: T } | |
| declare namespace MRF { | |
| class MobxReactForm { | |
| constructor(options: MRF.Options, settings?: MRF.Settings) | |
| isValid: boolean |
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| import { types } from 'mobx-state-tree' | |
| const SECOND = 1 * 1000 | |
| const MINUTE = 60 * SECOND | |
| export const TimingModel = types | |
| .model('Timing', { | |
| bySecond: types.optional(types.number, Infinity), | |
| byMinute: types.optional(types.number, Infinity), | |
| autoStart: false, |