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Product Hunt React Architecture Radoslav Stankov 15/09/2020

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!

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Radoslav Stankov @rstankov blog.rstankov.com
 twitter.com/rstankov
 github.com/rstankov
 speakerdeck.com/rstankov

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Architecture

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" Frontend Tech Stack

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# Have good defaults $ Have good code organization % Make common operations easy & Isolate dependencies ' Extensibility and reusability

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# Have good defaults $ Have good code organization % Make common operations easy & Isolate dependencies ' Extensibility and reusability

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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2 1 3 Support Components Pages

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Support Components Pages

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1) Support 2) Components 3) Pages

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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1 Support components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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1 Support Components 2 components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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1 Support Components Pages 2 3 components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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1 Support

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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import getNextConfig from 'next/config'; const config = getNextConfig() as any; // ... other configuration export const environment = { isTest: config.publicRuntimeConfig.NODE_ENV === 'test', isProduction: config.publicRuntimeConfig.NODE_ENV === 'production', isBrowser: !!process.browser, }; config.ts

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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apollo client:codegen \ --localSchemaFile="graphql/schema.json" \ --addTypename \ --tagName=gql \ --target=typescript \ --includes="{components,routes,utils,hooks,layouts}/**/*.{tsx,ts}" \ --outputFlat="graphql/types.ts"

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components/Profile/Avatar/Fragment.ts import gql from 'graphql-tag'; export default gql` fragment ProfileAvatarFragment on Profile { id name kind imageUrl } `;

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// ==================================================== // GraphQL fragment: ProfileAvatarFragment // ==================================================== export interface ProfileAvatarFragment { __typename: "Profile"; id: string; name: string; kind: string; imageUrl: string | null; } graphql/types.ts

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import { ProfileAvatarFragment } from '~/graphql/types';

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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useKey() useIsMounted() useTimeout()
 
 useHideOnTop()

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useGraphQLFragment() useViewier() useIsLoggedIn()

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useGraphQLFragment() useViewier() useIsLoggedIn()

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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import formatCount from './formatCount'; describe(formatCount.name, () => { it('does proper pluralization', () => { expect(formatCount(0, 'item')).toEqual('0 items'); expect(formatCount(1, 'item')).toEqual('1 item'); expect(formatCount(10, 'items')).toEqual('10 items'); }); it('formats 1000-9999 as Ks', () => { expect(formatCount(1000)).toEqual('1K'); expect(formatCount(1500)).toEqual('1.5K'); }); // .... }); utils/formatCount.test.ts

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import { format } from 'date-fns'; export function formatDateTime(date: string) { return format(date, 'H:mm A · MMM D, YYYY'); } utils/date.ts

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moment date.ts Component Page

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date.ts Component Page date-fns

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utils/ external/ Intercom/ OneSignal/ Segment/ Sentry/

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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2 Components

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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( Component as directory components/ Component/ SubComponent/ Fragment.graphql Mutation.graphql icon.svg index.js styles.css utils.js

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import * as React from "react"; import Font from "components/Font"; {text}

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import * as React from "react"; import styles from "./styles.css"; export function Text({ children }) { return ( {children} ); } components/Font/index.tsx

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CSS // style.css .text { font-size: 14px; } CSS // component.js
 import styles from './styles.css'; CSS // style.css .text_3mRwv { font-size: 14px; } CSS // result.js 


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import * as React from "react"; import Font from "components/Font"; text // -> text

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import * as React from "react"; import Font from "components/Font"; text // -> text text // ->

text

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import * as React from "react"; import Font from "components/Font"; text // -> text text // ->

text

text Font.Text> // -> text

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import * as React from "react"; import Font from "components/Font"; text // -> text text // ->

text

text Font.Text> // -> text ( Pass custom component as prop

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import * as React from "react"; import styles from "./styles.css"; export function Text({ component, children, ...props }) { Component = component || "span";
 return ( {children} ); } ( Pass custom component as prop

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import * as React from "react"; import styles from "./styles.css"; export function Text({ component, children, ...props }) { Component = component || "span";
 return ( {children} ); } ) ( Pass custom component as prop

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import * as React from "react"; import styles from "./styles.css"; export function Text({ component, ...props }) { Component = component || "span"; return ; } * ( Pass custom component as prop

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import * as React from "react"; import Font from "components/Font"; text // -> Text

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import * as React from "react"; import Font from "components/Font"; import styles from "./styles.css"; text // -> text

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import * as React from "react"; import Font from "components/Font"; import styles from "./styles.css"; text // -> text ( Pass extra class name

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import * as React from "react"; import styles from "./styles.css"; import classNames from "classnames"; export function Text({ component, className, ...props }) { Component = component || "span";
 return

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yarn install "classnames"

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Input

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Input Loading

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Input Loading Success

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Input Loading Success Errors

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Submit Server Success Errors

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remoteCall Server { result: 'ok' } { errors: {…} }

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remoteCall Server { result: 'ok' } { 
 errors: { field1: 'error1',
 field2: 'error2'
 }
 }

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{ 
 errors: { field1: 'error1',
 field2: 'error2'
 }
 }

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{ 
 errors: { field1: 'error1',
 field2: 'error2'
 }
 }

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mutation UserSettingsUpdate($input: UserSettingsUpdateInp response: userSettingsUpdate(input: $input) { node { id ...MySettingsPageViewer } errors { field message } } }

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mutation UserSettingsUpdate($input: UserSettingsUpdateInp response: userSettingsUpdate(input: $input) { node { id ...MySettingsPageViewer } errors { field message } } }

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import { TopicSearch_Topic as ITopic } from '~/graphql/types'; import ItemList from './ItemList' import QUERY from './Query'; import SearchResultItem from './SearchResultItem' import { IFormArrayFields } from '~/components/Form/types'; import { useLoadTopicsIds } from './utils'; interface IProps { fields: IFormArrayFields; } export default function TopicsInput({ fields }: IProps) { const addTopic = (topic: ITopic) => { fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields);

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import { TopicSearch_Topic as ITopic } from '~/graphql/types'; import ItemList from './ItemList' import QUERY from './Query'; import SearchResultItem from './SearchResultItem' import { IFormArrayFields } from '~/components/Form/types'; import { useLoadTopicsIds } from './utils'; interface IProps { fields: IFormArrayFields; } export default function TopicsInput({ fields }: IProps) { const addTopic = (topic: ITopic) => { fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields);

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import { TopicSearch_Topic as ITopic } from '~/graphql/types'; import ItemList from './ItemList' import QUERY from './Query'; import SearchResultItem from './SearchResultItem' import { IFormArrayFields } from '~/components/Form/types'; import { useLoadTopicsIds } from './utils'; interface IProps { fields: IFormArrayFields; } export default function TopicsInput({ fields }: IProps) { const addTopic = (topic: ITopic) => { fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields);

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import { TopicSearch_Topic as ITopic } from '~/graphql/types'; import ItemList from './ItemList' import QUERY from './Query'; import SearchResultItem from './SearchResultItem' import { IFormArrayFields } from '~/components/Form/types'; import { useLoadTopicsIds } from './utils'; interface IProps { fields: IFormArrayFields; } export default function TopicsInput({ fields }: IProps) { const addTopic = (topic: ITopic) => { fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields);

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import { TopicSearch_Topic as ITopic } from '~/graphql/types'; import ItemList from './ItemList' import QUERY from './Query'; import SearchResultItem from './SearchResultItem' import { IFormArrayFields } from '~/components/Form/types'; import { useLoadTopicsIds } from './utils'; interface IProps { fields: IFormArrayFields; } export default function TopicsInput({ fields }: IProps) { const addTopic = (topic: ITopic) => { fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields);

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import { TopicSearch_Topic as ITopic } from '~/graphql/types'; import ItemList from './ItemList' import QUERY from './Query'; import SearchResultItem from './SearchResultItem' import { IFormArrayFields } from '~/components/Form/types'; import { useLoadTopicsIds } from './utils'; interface IProps { fields: IFormArrayFields; } export default function TopicsInput({ fields }: IProps) { const addTopic = (topic: ITopic) => { fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields);

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fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields); if (topics === null) { return null; } return ( ); }

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fields.value.includes(topic.id) && fields.push(topic.id); } const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields); if (topics === null) { return null; } return ( ); }

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const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields); if (topics === null) { return null; } return ( ); } ProductsInput.isArray = true;

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const removeTopic = (topic: ITopic) => { fields.remove(fields.value.indexOf(topic.id)); } const topics = useLoadTopicsIds(fields); if (topics === null) { return null; } return ( ); } ProductsInput.isArray = true;

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Which is the form library we are using?!

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+

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+

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+

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, unified styles - common interface . custom inputs / understand backend GraphQL 0 Form

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Utility Styling Domain

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LikeButton Button

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Domain Component

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AnswerCard Like Button

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 {answer.question.title} {answer.products.map((product) => ( ))} Domain Component

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Domain Component 
 


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Atomic Design

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...Kinda 1

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2 generic components . domain components

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3 Pages

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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export default { root: () => '/', static: { about() => '/about', // ... } profiles: { people: () => '/people', show: ({ slug }: { slug: string }) => `/@${slug}`, // ... }, // ... }; path.ts

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import paths from 'ph/paths'; 
 paths.root(); // => / paths.static.about(); // => /about/ paths.profiles.people(); // => /people paths.profiles.show(profile); // => /@rstankov

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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{children} layouts/Main/index.tsx

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{content}
layouts/Main/index.tsx

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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) components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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pages/profiles/[slug]/index.ts

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import page from '~/routes/profiles/show'; export default page; pages/profiles/[slug]/index.ts

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import page from '~/routes/profiles/show'; export default page; pages/profiles/[slug]/index.ts 3

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components/ graphql/ hooks/ layouts/ pages/ routes/ server/ static/ styles/ types/ utils/ config.ts paths.ts

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Component as directory routing/ profiles/ show/ SubComponent1/ SubComponent2/ Query.graphql index.js styles.css utils.js

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Loading State Page Life Cycle

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Loading State Page Life Cycle

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Loading State Error State Page Life Cycle

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Loading State Not Found Error Server Error Authorization Error Authentication Error Error State Page Life Cycle

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Loading State Not Found Error Server Error Authorization Error Authentication Error Error State Loaded State Page Life Cycle

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Loading State Not Found Error Server Error Authorization Error Authentication Error SEO Error State Analytics Loaded State Page Life Cycle ???

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Loading State Not Found Error Server Error Authorization Error Authentication Error SEO Error State Analytics Loaded State render Page Life Cycle ???

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import createPage from '~/utils/createPage'; import ProfileLayout from '~/layouts/Profile'; import { ProfileShowPage } from '~/graphql/types'; import QUERY from './Query'; export default createPage({ query: QUERY, queryVariables: ({ slug }) => ({ slug }), requireLogin: true, requirePermissions: ({ profile }) => profile.canManage, requireFeature: 'feature_flag', tags: ({ profile }) => profile.seoTags, title: ({ profile }) => profile.name, component: ({ data: { profile } }) => ( {...} ), });

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import createPage from '~/utils/createPage'; import ProfileLayout from '~/layouts/Profile'; import { ProfileShowPage } from '~/graphql/types'; import QUERY from './Query'; export default createPage({ query: QUERY, queryVariables: ({ slug }) => ({ slug }), requireLogin: true, requirePermissions: ({ profile }) => profile.canManage, requireFeature: 'feature_flag', tags: ({ profile }) => profile.seoTags, title: ({ profile }) => profile.name, component: ({ data: { profile } }) => ( {...} ), });

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import createPage from '~/utils/createPage'; import ProfileLayout from '~/layouts/Profile'; import { ProfileShowPage } from '~/graphql/types'; import QUERY from './Query'; export default createPage({ query: QUERY, queryVariables: ({ slug }) => ({ slug }), requireLogin: true, requirePermissions: ({ profile }) => profile.canManage, requireFeature: 'feature_flag', tags: ({ profile }) => profile.seoTags, title: ({ profile }) => profile.name, component: ({ data: { profile } }) => ( {...} ), });

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import createPage from '~/utils/createPage'; import ProfileLayout from '~/layouts/Profile'; import { ProfileShowPage } from '~/graphql/types'; import QUERY from './Query'; export default createPage({ query: QUERY, queryVariables: ({ slug }) => ({ slug }), requireLogin: true, requirePermissions: ({ profile }) => profile.canManage, requireFeature: 'feature_flag', tags: ({ profile }) => profile.seoTags, title: ({ profile }) => profile.name, component: ({ data: { profile } }) => ( {...} ), });

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import createPage from '~/utils/createPage'; import ProfileLayout from '~/layouts/Profile'; import { ProfileShowPage } from '~/graphql/types'; import QUERY from './Query'; export default createPage({ query: QUERY, queryVariables: ({ slug }) => ({ slug }), requireLogin: true, requirePermissions: ({ profile }) => profile.canManage, requireFeature: 'feature_flag', tags: ({ profile }) => profile.seoTags, title: ({ profile }) => profile.name, component: ({ data: { profile } }) => ( {...} ), });

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import createPage from '~/utils/createPage'; import ProfileLayout from '~/layouts/Profile'; import { ProfileShowPage } from '~/graphql/types'; import QUERY from './Query'; export default createPage({ query: QUERY, queryVariables: ({ slug }) => ({ slug }), requireLogin: true, requirePermissions: ({ profile }) => profile.canManage, requireFeature: 'feature_flag', tags: ({ profile }) => profile.seoTags, title: ({ profile }) => profile.name, component: ({ data: { profile } }) => ( {...} ), });

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http://graphql.org/

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ViewerFragme ProfileLayoutHeaderFragment ProfileLayout MenuFragme nt ProfileShowPage

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ViewerFragme ProfileLayout MenuFragme nt FollowButto Avatar Fragment ProTips Fragment Stack Fragment

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ViewerFragme ProfileLayout MenuFragme nt FollowButto Avatar Fragment Avata r Card LikeButton

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Query Fragm Fragm Fragm Fragm Fragm Fragm

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import gql from 'graphql-tag'; import AnswerCardWithQuestionFragment from '~/components/Answer/Card/FragmentWithQue import DoYouUseFragment from './DoYouUse/Fragment'; import HeadTagsFragment from '~/utils/createPage/HeadTagsFragment'; import ProfileAvatarLinkFragment from '~/components/Profile/AvatarLink/Fragment'; import ProfileLayoutFragment from '~/layouts/Profile/Fragment'; import ProfilePeopleSectionFragment from '~/components/Profile/PeopleSection/Fragmen import RecommendedProductsFragment from './RecommendedProducts/Fragment'; import StackItemProfileFragment from '~/components/Stack/Item/Fragment'; import TipCardFragment from '~/components/Tip/Card/Fragment'; export default gql` query ProfilesShowPage($slug: String!) { profile(slug: $slug) { id answersCount canManage likedAnswersCount questionsCount tipsCount whitelisted using(first: 8) { edges { node { id note

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import StackItemProfileFragment from '~/components/Stack/Item/Fragment'; import TipCardFragment from '~/components/Tip/Card/Fragment'; export default gql` query ProfilesShowPage($slug: String!) { profile(slug: $slug) { id answersCount canManage likedAnswersCount questionsCount tipsCount whitelisted using(first: 8) { edges { node { id note profileTo { id name ...ProfileAvatarLinkFragment ...StackItemProfileFragment } } } } answers(first: 3) {

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} } tips(first: 1) { edges { node { id ...TipCardFragment } } } peopleWithSimilarInterests(limit: 4) { edges { node { id ...ProfilePeopleSectionFragment } } } ...HeadTagsFragment ...ProfileLayoutFragment ...ProfilesShowDoYouUseFragment ...ProfilesShowDoYouUseFragment } } ${AnswerCardWithQuestionFragment} ${DoYouUseFragment} ${HeadTagsFragment} ${ProfileAvatarLinkFragment}

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Recap

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. GraphQL # Components 4 isolating dependancies ' directory as folder / domain components , Pages - paths helper & layouts % createPage 5 Recap

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Thanks 6