Merge pull request #1180 from garrytrinder/react-functional-servicescope-hooks

Thanks @garrytrinder . It reminds me of a cool demo I saw last week  👍

samples/react-functional-servicescope-hooks/README.md

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+# Consuming SPFX Service Scopes using React Hooks
+
+## Summary
+
+This web part is designed to help developers understand how to use the Context API and useContext() React Hook to share global data between a hierarchy of nested React components. In this example, a Service Scope is shared globally that components can consume to call the Microsoft Graph, it also uses Functional Components replacing the more commonly seen Class Component approach.
+
+![webpart](webpart.png)
+
+## Used SharePoint Framework Version
+
+![drop](https://img.shields.io/badge/version-1.10.0-green.svg)
+
+## Applies to
+
+* [SharePoint Framework](https:/dev.office.com/sharepoint)
+* [Office 365 tenant](https://dev.office.com/sharepoint/docs/spfx/set-up-your-development-environment)
+
+## Solution
+
+Solution|Author(s)
+--------|---------
+react-functional-servicescope-hooks | Garry Trinder
+
+## Version history
+
+Version|Date|Comments
+-------|----|--------
+1.0|March 25, 2020|Initial release
+
+## Disclaimer
+
+**THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.**
+
+---
+
+## Minimal Path to Awesome
+
+* Clone this repository
+* Move to /samples/react-functional-servicescope-hooks folder
+* At the command line run:
+  * `npm install`
+  * `gulp bundle --ship && gulp package-solution --ship`
+* Upload `react-functional-servicescope-hooks.sppkg` to App Catalog site collection from `sharepoint/solution` folder
+* Deploy package
+* Go to SharePoint API Management screen in SharePoint Admin Center
+* Approve `User.ReadBasic.All` permission for Microsoft Graph
+* At the command line run:
+  * `gulp serve`
+* Navigate to remote workbench `https://tenant.sharepoint.com/_layouts/15/workbench.aspx`
+* Add `HelloWorld` web part to workbench
+
+## Features
+
+This sample demonstrates how 
+ 
+ * Functional Components can be used to replace Class Components, simplifying the codebase
+ * `useEffect()` React Hooks can replace `componentDidMount()` lifecycle method 
+ * `useState()` React Hook can replace the use of `this.setState()` to update local component state
+
+This Web Part illustrates the following concepts on top of the SharePoint Framework:
+
+* React Hooks
+* React Context API
+* Functional Components
+
+<img src="https://telemetry.sharepointpnp.com/sp-dev-fx-webparts/samples/readme-template" />

samples/react-functional-servicescope-hooks/config/config.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/config.2.0.schema.json",
+  "version": "2.0",
+  "bundles": {
+    "hello-world-web-part": {
+      "components": [
+        {
+          "entrypoint": "./lib/webparts/helloWorld/HelloWorldWebPart.js",
+          "manifest": "./src/webparts/helloWorld/HelloWorldWebPart.manifest.json"
+        }
+      ]
+    }
+  },
+  "externals": {},
+  "localizedResources": {
+    "HelloWorldWebPartStrings": "lib/webparts/helloWorld/loc/{locale}.js"
+  }
+}

samples/react-functional-servicescope-hooks/config/copy-assets.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/copy-assets.schema.json",
+  "deployCdnPath": "temp/deploy"
+}

samples/react-functional-servicescope-hooks/config/deploy-azure-storage.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/deploy-azure-storage.schema.json",
+  "workingDir": "./temp/deploy/",
+  "account": "<!-- STORAGE ACCOUNT NAME -->",
+  "container": "react-functional-servicescope-hooks",
+  "accessKey": "<!-- ACCESS KEY -->"
+}

samples/react-functional-servicescope-hooks/config/package-solution.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/package-solution.schema.json",
+  "solution": {
+    "name": "react-functional-servicescope-hooks",
+    "id": "d3c47cd9-9bbd-49f1-a8ef-9aa2260a6257",
+    "version": "1.0.0.0",
+    "includeClientSideAssets": true,
+    "skipFeatureDeployment": true,
+    "webApiPermissionRequests": [
+      {
+        "resource": "Microsoft Graph",
+        "scope": "User.ReadBasic.All"
+      }
+    ]
+  },
+  "paths": {
+    "zippedPackage": "solution/react-functional-servicescope-hooks.sppkg"
+  }
+}

samples/react-functional-servicescope-hooks/config/serve.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/core-build/serve.schema.json",
+  "port": 4321,
+  "https": true,
+  "initialPage": "https://localhost:5432/workbench",
+  "api": {
+    "port": 5432,
+    "entryPath": "node_modules/@microsoft/sp-webpart-workbench/lib/api/"
+  }
+}

samples/react-functional-servicescope-hooks/config/write-manifests.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx-build/write-manifests.schema.json",
+  "cdnBasePath": "<!-- PATH TO CDN -->"
+}

samples/react-functional-servicescope-hooks/gulpfile.js

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+'use strict';
+
+const build = require('@microsoft/sp-build-web');
+
+build.addSuppression(`Warning - [sass] The local CSS class 'ms-Grid' is not camelCase and will not be type-safe.`);
+
+build.initialize(require('gulp'));

samples/react-functional-servicescope-hooks/package.json

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+{
+  "name": "spfx-servicescope-hooks",
+  "version": "0.0.1",
+  "private": true,
+  "main": "lib/index.js",
+  "engines": {
+    "node": ">=0.10.0"
+  },
+  "scripts": {
+    "build": "gulp bundle",
+    "clean": "gulp clean",
+    "test": "gulp test"
+  },
+  "dependencies": {
+    "react": "16.8.5",
+    "react-dom": "16.8.5",
+    "@types/react": "16.8.8",
+    "@types/react-dom": "16.8.3",
+    "office-ui-fabric-react": "6.189.2",
+    "@microsoft/sp-core-library": "1.10.0",
+    "@microsoft/sp-property-pane": "1.10.0",
+    "@microsoft/sp-webpart-base": "1.10.0",
+    "@microsoft/sp-lodash-subset": "1.10.0",
+    "@microsoft/sp-office-ui-fabric-core": "1.10.0",
+    "@types/webpack-env": "1.13.1",
+    "@types/es6-promise": "0.0.33"
+  },
+  "resolutions": {
+    "@types/react": "16.8.8"
+  },
+  "devDependencies": {
+    "@microsoft/sp-build-web": "1.10.0",
+    "@microsoft/sp-tslint-rules": "1.10.0",
+    "@microsoft/sp-module-interfaces": "1.10.0",
+    "@microsoft/sp-webpart-workbench": "1.10.0",
+    "@microsoft/rush-stack-compiler-3.3": "0.3.5",
+    "gulp": "~3.9.1",
+    "@types/chai": "3.4.34",
+    "@types/mocha": "2.2.38",
+    "ajv": "~5.2.2"
+  }
+}

samples/react-functional-servicescope-hooks/src/index.ts

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+// A file is required to be in the root of the /src directory by the TypeScript compiler

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/HelloWorldWebPart.manifest.json

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+{
+  "$schema": "https://developer.microsoft.com/json-schemas/spfx/client-side-web-part-manifest.schema.json",
+  "id": "216d3c26-ed6d-4402-ba29-1e7ae3a121bc",
+  "alias": "HelloWorldWebPart",
+  "componentType": "WebPart",
+
+  // The "*" signifies that the version should be taken from the package.json
+  "version": "*",
+  "manifestVersion": 2,
+
+  // If true, the component can only be installed on sites where Custom Script is allowed.
+  // Components that allow authors to embed arbitrary script code should set this to true.
+  // https://support.office.com/en-us/article/Turn-scripting-capabilities-on-or-off-1f2c515f-5d7e-448a-9fd7-835da935584f
+  "requiresCustomScript": false,
+  "supportedHosts": ["SharePointWebPart"],
+
+  "preconfiguredEntries": [{
+    "groupId": "5c03119e-3074-46fd-976b-c60198311f70", // Other
+    "group": { "default": "Other" },
+    "title": { "default": "HelloWorld" },
+    "description": { "default": "HelloWorld description" },
+    "officeFabricIconFontName": "Page",
+    "properties": {
+      "description": "HelloWorld"
+    }
+  }]
+}

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/HelloWorldWebPart.ts

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+import * as React from 'react';
+import * as ReactDom from 'react-dom';
+import { Version } from '@microsoft/sp-core-library';
+import { BaseClientSideWebPart } from '@microsoft/sp-webpart-base';
+
+import HelloWorld from './components/HelloWorld';
+import { IHelloWorldProps } from './components/IHelloWorldProps';
+
+export interface IHelloWorldWebPartProps {
+  description: string;
+}
+
+export default class HelloWorldWebPart extends BaseClientSideWebPart <IHelloWorldWebPartProps> {
+
+  public render(): void {
+    
+    const element: React.ReactElement<IHelloWorldProps> = React.createElement(
+      HelloWorld,
+      {
+        description: this.properties.description,
+        serviceScope: this.context.serviceScope //Only need to pass in serviceScope once to the top level component
+      }
+    );
+
+    ReactDom.render(element, this.domElement);
+  }
+
+  protected onDispose(): void {
+    ReactDom.unmountComponentAtNode(this.domElement);
+  }
+
+  protected get dataVersion(): Version {
+    return Version.parse('1.0');
+  }
+}

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/common/AppContext.ts

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+import { ServiceScope } from '@microsoft/sp-core-library';
+import { createContext } from 'react';
+
+export interface AppContextProps {
+    serviceScope: ServiceScope;
+}
+
+// AppContext is created and has an initial value set
+const AppContext = createContext<AppContextProps>(undefined);
+
+export default AppContext;

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/components/HelloUser.tsx

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+import * as React from 'react';
+import { MSGraphClientFactory, MSGraphClient } from '@microsoft/sp-http';
+import { useEffect, useState, useContext } from 'react';
+import AppContext from '../common/AppContext';
+
+const HelloUser: React.FunctionComponent = () => {
+
+    /* Sets the initial state value and function to update state */
+    const [name, setName] = useState('');
+
+    /* Returns the serviceScope from the "global" AppContext, which is provided by 
+    <AppContext.Provider> component above and is consumed using the useContext React Hook */
+    const { serviceScope } = useContext(AppContext);
+
+    /* Executes once on componentMount */
+    useEffect(() => {
+
+        /* Create a Microsoft Graph client factory using the serviceScope provided by AppContext */
+        const msGraphClientFactory = serviceScope.consume(MSGraphClientFactory.serviceKey);
+
+        /* Create Microsoft Graph Client from factory and call "Me" endpoint */
+        msGraphClientFactory.getClient()
+            .then((client: MSGraphClient): void => {
+                client
+                    .api('/me')
+                    .get((error, user: any, rawResponse?: any) => {
+                        
+                        /* Update state by calling update function passing the new state value */
+                        setName(user.displayName);
+                    });
+            });
+
+    }, []);
+
+    /* Display name when state value has been set */
+    return (
+        <div>
+            {name &&
+                <span>Hello {name}</span>
+            }
+        </div>
+    );
+};
+
+export default HelloUser;

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/components/HelloWorld.module.scss

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+@import '~office-ui-fabric-react/dist/sass/References.scss';
+
+.helloWorld {
+  .container {
+    max-width: 700px;
+    margin: 0px auto;
+    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 25px 50px 0 rgba(0, 0, 0, 0.1);
+  }
+
+  .row {
+    @include ms-Grid-row;
+    @include ms-fontColor-white;
+    background-color: $ms-color-themeDark;
+    padding: 20px;
+  }
+
+  .column {
+    @include ms-Grid-col;
+    @include ms-lg10;
+    @include ms-xl8;
+    @include ms-xlPush2;
+    @include ms-lgPush1;
+  }
+
+  .title {
+    @include ms-font-xl;
+    @include ms-fontColor-white;
+  }
+
+  .subTitle {
+    @include ms-font-l;
+    @include ms-fontColor-white;
+  }
+
+  .description {
+    @include ms-font-l;
+    @include ms-fontColor-white;
+  }
+
+  .button {
+    // Our button
+    text-decoration: none;
+    height: 32px;
+
+    // Primary Button
+    min-width: 80px;
+    background-color: $ms-color-themePrimary;
+    border-color: $ms-color-themePrimary;
+    color: $ms-color-white;
+
+    // Basic Button
+    outline: transparent;
+    position: relative;
+    font-family: "Segoe UI WestEuropean","Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,"Helvetica Neue",sans-serif;
+    -webkit-font-smoothing: antialiased;
+    font-size: $ms-font-size-m;
+    font-weight: $ms-font-weight-regular;
+    border-width: 0;
+    text-align: center;
+    cursor: pointer;
+    display: inline-block;
+    padding: 0 16px;
+
+    .label {
+      font-weight: $ms-font-weight-semibold;
+      font-size: $ms-font-size-m;
+      height: 32px;
+      line-height: 32px;
+      margin: 0 4px;
+      vertical-align: top;
+      display: inline-block;
+    }
+  }
+}

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/components/HelloWorld.tsx

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+import * as React from 'react';
+import { ServiceScope } from '@microsoft/sp-core-library';
+import { IHelloWorldProps } from './IHelloWorldProps';
+import AppContext from '../common/AppContext';
+import HelloUser from "./HelloUser";
+
+const HelloWorld: React.FunctionComponent<IHelloWorldProps> = (props: { serviceScope: ServiceScope; }) =>
+
+  /* Context is designed to share data that can be considered “global” for a tree of React components. 
+  Set the AppContext value to pass in the serviceScope property which can be consumed by child components */
+  <AppContext.Provider value={{ serviceScope: props.serviceScope }}>
+
+    <h1>Consuming SPFX Service Scopes using React Hooks</h1>
+    <div>
+      <HelloUser />
+    </div>
+
+  </AppContext.Provider>;
+
+export default HelloWorld;

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/components/IHelloWorldProps.ts

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+import { ServiceScope } from '@microsoft/sp-core-library';
+
+export interface IHelloWorldProps {
+  description: string;
+  serviceScope: ServiceScope;
+}

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/loc/en-us.js

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+define([], function() {
+  return {
+    "PropertyPaneDescription": "Description",
+    "BasicGroupName": "Group Name",
+    "DescriptionFieldLabel": "Description Field"
+  }
+});

samples/react-functional-servicescope-hooks/src/webparts/helloWorld/loc/mystrings.d.ts

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+declare interface IHelloWorldWebPartStrings {
+  PropertyPaneDescription: string;
+  BasicGroupName: string;
+  DescriptionFieldLabel: string;
+}
+
+declare module 'HelloWorldWebPartStrings' {
+  const strings: IHelloWorldWebPartStrings;
+  export = strings;
+}

samples/react-functional-servicescope-hooks/tsconfig.json

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+{
+  "extends": "./node_modules/@microsoft/rush-stack-compiler-3.3/includes/tsconfig-web.json",
+  "compilerOptions": {
+    "target": "es5",
+    "forceConsistentCasingInFileNames": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "jsx": "react",
+    "declaration": true,
+    "sourceMap": true,
+    "experimentalDecorators": true,
+    "skipLibCheck": true,
+    "outDir": "lib",
+    "inlineSources": false,
+    "strictNullChecks": false,
+    "noUnusedLocals": false,
+    "typeRoots": [
+      "./node_modules/@types",
+      "./node_modules/@microsoft"
+    ],
+    "types": [
+      "es6-promise",
+      "webpack-env"
+    ],
+    "lib": [
+      "es5",
+      "dom",
+      "es2015.collection"
+    ]
+  },
+  "include": [
+    "src/**/*.ts"
+  ],
+  "exclude": [
+    "node_modules",
+    "lib"
+  ]
+}

samples/react-functional-servicescope-hooks/tslint.json

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+{
+  "extends": "@microsoft/sp-tslint-rules/base-tslint.json",
+  "rules": {
+    "class-name": false,
+    "export-name": false,
+    "forin": false,
+    "label-position": false,
+    "member-access": true,
+    "no-arg": false,
+    "no-console": false,
+    "no-construct": false,
+    "no-duplicate-variable": true,
+    "no-eval": false,
+    "no-function-expression": true,
+    "no-internal-module": true,
+    "no-shadowed-variable": true,
+    "no-switch-case-fall-through": true,
+    "no-unnecessary-semicolons": true,
+    "no-unused-expression": true,
+    "no-use-before-declare": true,
+    "no-with-statement": true,
+    "semicolon": true,
+    "trailing-comma": false,
+    "typedef": false,
+    "typedef-whitespace": false,
+    "use-named-parameter": true,
+    "variable-name": false,
+    "whitespace": false
+  }
+}