Init

2 years ago · 898f30ebe3
14 changed files with 357 additions and 0 deletions
--- a/.gitignore
+++ b/.gitignore
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+.eslintcache
+node_modules
+package-lock.json
--- a/README.md
+++ b/README.md
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+This folder demonstrates how to use [React PDF viewer](https://react-pdf-viewer.dev) with [Create React App](https://github.com/facebook/create-react-app).
+
+## Install
+
+* Install the dependencies
+
+```console
+$ npm install
+```
+
+* Build
+
+```console
+$ npm run build
+```
+
+* Run locally
+
+```console
+$ npm run start
+```
+
+Visit http://localhost:3000 to see it in action.
+
+## Spotlights
+
+[App.js](src/App.js):
+
+``` javascript
+import { Viewer, Worker } from '@react-pdf-viewer/core';
+import { defaultLayoutPlugin } from '@react-pdf-viewer/default-layout';
+
+import '@react-pdf-viewer/core/lib/styles/index.css';
+import '@react-pdf-viewer/default-layout/lib/styles/index.css';
+
+const defaultLayoutPluginInstance = defaultLayoutPlugin();
+
+return (
+    <Worker workerUrl="https://unpkg.com/pdfjs-dist@2.15.349/build/pdf.worker.js">
+        <div style={{ height: '750px' }}>
+            <Viewer
+                fileUrl={`${process.env.PUBLIC_URL}/pdf-open-parameters.pdf`}
+                plugins={[
+                    defaultLayoutPluginInstance,
+                ]}
+            />
+        </div>
+    </Worker>
+);
+```
--- a/package.json
+++ b/package.json
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+{
+    "name": "react-pdf-viewer-create-react-app",
+    "private": true,
+    "version": "0.0.0",
+    "dependencies": {
+        "@react-pdf-viewer/core": "3.6.0",
+        "@react-pdf-viewer/default-layout": "3.6.0",
+        "pdfjs-dist": "^2.15.349",
+        "react": "^18.2.0",
+        "react-dom": "^18.2.0",
+        "react-router-dom": "^6.7.0",
+        "react-scripts": "^5.0.1"
+    },
+    "scripts": {
+        "start": "react-scripts start",
+        "build": "react-scripts build",
+        "eject": "react-scripts eject"
+    },
+    "eslintConfig": {
+        "extends": "react-app"
+    },
+    "browserslist": {
+        "production": [
+            ">0.2%",
+            "not dead",
+            "not op_mini all"
+        ],
+        "development": [
+            "last 1 chrome version",
+            "last 1 firefox version",
+            "last 1 safari version"
+        ]
+    }
+}
--- a/public/favicon.ico
+++ b/public/favicon.ico
--- a/public/index.html
+++ b/public/index.html
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+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="utf-8" />
+    <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <meta name="theme-color" content="#000000" />
+    <meta
+      name="description"
+      content="Web site created using create-react-app"
+    />
+    <link rel="apple-touch-icon" href="%PUBLIC_URL%/logo192.png" />
+    <!--
+      manifest.json provides metadata used when your web app is installed on a
+      user's mobile device or desktop. See https://developers.google.com/web/fundamentals/web-app-manifest/
+    -->
+    <link rel="manifest" href="%PUBLIC_URL%/manifest.json" />
+    <!--
+      Notice the use of %PUBLIC_URL% in the tags above.
+      It will be replaced with the URL of the `public` folder during the build.
+      Only files inside the `public` folder can be referenced from the HTML.
+
+      Unlike "/favicon.ico" or "favicon.ico", "%PUBLIC_URL%/favicon.ico" will
+      work correctly both with client-side routing and a non-root public URL.
+      Learn how to configure a non-root public URL by running `npm run build`.
+    -->
+    <title>React App</title>
+  </head>
+  <body>
+    <noscript>You need to enable JavaScript to run this app.</noscript>
+    <div id="root"></div>
+    <!--
+      This HTML file is a template.
+      If you open it directly in the browser, you will see an empty page.
+
+      You can add webfonts, meta tags, or analytics to this file.
+      The build step will place the bundled scripts into the <body> tag.
+
+      To begin the development, run `npm start` or `yarn start`.
+      To create a production bundle, use `npm run build` or `yarn build`.
+    -->
+  </body>
+</html>
--- a/public/logo192.png
+++ b/public/logo192.png
--- a/public/logo512.png
+++ b/public/logo512.png
--- a/public/manifest.json
+++ b/public/manifest.json
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+{
+    "short_name": "React App",
+    "name": "Create React App Sample",
+    "icons": [
+        {
+            "src": "favicon.ico",
+            "sizes": "64x64 32x32 24x24 16x16",
+            "type": "image/x-icon"
+        },
+        {
+            "src": "logo192.png",
+            "type": "image/png",
+            "sizes": "192x192"
+        },
+        {
+            "src": "logo512.png",
+            "type": "image/png",
+            "sizes": "512x512"
+        }
+    ],
+    "start_url": ".",
+    "display": "standalone",
+    "theme_color": "#000000",
+    "background_color": "#ffffff"
+}
--- a/public/pdf-open-parameters.pdf
+++ b/public/pdf-open-parameters.pdf
--- a/public/robots.txt
+++ b/public/robots.txt
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+# https://www.robotstxt.org/robotstxt.html
+User-agent: *
+Disallow:
--- a/src/App.js
+++ b/src/App.js
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+import * as React from "react";
+import { Viewer, Worker } from "@react-pdf-viewer/core";
+import { defaultLayoutPlugin } from "@react-pdf-viewer/default-layout";
+
+import "@react-pdf-viewer/core/lib/styles/index.css";
+import "@react-pdf-viewer/default-layout/lib/styles/index.css";
+import { useLocation, useSearchParams } from "react-router-dom";
+
+const App = () => {
+  const defaultLayoutPluginInstance = defaultLayoutPlugin();
+  const [searchParams, setSearchParams] = useSearchParams();
+  if (!searchParams.get("url")) return null;
+
+  return (
+    <Worker workerUrl="https://unpkg.com/pdfjs-dist@2.16.105/build/pdf.worker.js">
+      <div
+        style={{
+          height: "750px",
+          width: "900px",
+          marginLeft: "auto",
+          marginRight: "auto",
+        }}
+      >
+        <Viewer
+          fileUrl={searchParams.get("url")}
+          plugins={[defaultLayoutPluginInstance]}
+        />
+      </div>
+    </Worker>
+  );
+};
+
+export default App;
--- a/src/index.css
+++ b/src/index.css
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+body {
+    margin: 0;
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans',
+        'Droid Sans', 'Helvetica Neue', sans-serif;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+}
+
+code {
+    font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New', monospace;
+}
--- a/src/index.js
+++ b/src/index.js
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+import React from "react";
+import ReactDOM from "react-dom";
+import "./index.css";
+import App from "./App";
+import * as serviceWorker from "./serviceWorker";
+import { BrowserRouter } from "react-router-dom";
+
+ReactDOM.render(
+  <React.StrictMode>
+    <BrowserRouter>
+      <App />
+    </BrowserRouter>
+    ,
+  </React.StrictMode>,
+  document.getElementById("root")
+);
+
+// If you want your app to work offline and load faster, you can change
+// unregister() to register() below. Note this comes with some pitfalls.
+// Learn more about service workers: https://bit.ly/CRA-PWA
+serviceWorker.unregister();
--- a/src/serviceWorker.js
+++ b/src/serviceWorker.js
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+// This optional code is used to register a service worker.
+// register() is not called by default.
+
+// This lets the app load faster on subsequent visits in production, and gives
+// it offline capabilities. However, it also means that developers (and users)
+// will only see deployed updates on subsequent visits to a page, after all the
+// existing tabs open on the page have been closed, since previously cached
+// resources are updated in the background.
+
+// To learn more about the benefits of this model and instructions on how to
+// opt-in, read https://bit.ly/CRA-PWA
+
+const isLocalhost = Boolean(
+    window.location.hostname === 'localhost' ||
+        // [::1] is the IPv6 localhost address.
+        window.location.hostname === '[::1]' ||
+        // 127.0.0.0/8 are considered localhost for IPv4.
+        window.location.hostname.match(/^127(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3}$/)
+);
+
+export function register(config) {
+    if (process.env.NODE_ENV === 'production' && 'serviceWorker' in navigator) {
+        // The URL constructor is available in all browsers that support SW.
+        const publicUrl = new URL(process.env.PUBLIC_URL, window.location.href);
+        if (publicUrl.origin !== window.location.origin) {
+            // Our service worker won't work if PUBLIC_URL is on a different origin
+            // from what our page is served on. This might happen if a CDN is used to
+            // serve assets; see https://github.com/facebook/create-react-app/issues/2374
+            return;
+        }
+
+        window.addEventListener('load', () => {
+            const swUrl = `${process.env.PUBLIC_URL}/service-worker.js`;
+
+            if (isLocalhost) {
+                // This is running on localhost. Let's check if a service worker still exists or not.
+                checkValidServiceWorker(swUrl, config);
+
+                // Add some additional logging to localhost, pointing developers to the
+                // service worker/PWA documentation.
+                navigator.serviceWorker.ready.then(() => {
+                    console.log(
+                        'This web app is being served cache-first by a service ' +
+                            'worker. To learn more, visit https://bit.ly/CRA-PWA'
+                    );
+                });
+            } else {
+                // Is not localhost. Just register service worker
+                registerValidSW(swUrl, config);
+            }
+        });
+    }
+}
+
+function registerValidSW(swUrl, config) {
+    navigator.serviceWorker
+        .register(swUrl)
+        .then((registration) => {
+            registration.onupdatefound = () => {
+                const installingWorker = registration.installing;
+                if (installingWorker == null) {
+                    return;
+                }
+                installingWorker.onstatechange = () => {
+                    if (installingWorker.state === 'installed') {
+                        if (navigator.serviceWorker.controller) {
+                            // At this point, the updated precached content has been fetched,
+                            // but the previous service worker will still serve the older
+                            // content until all client tabs are closed.
+                            console.log(
+                                'New content is available and will be used when all ' +
+                                    'tabs for this page are closed. See https://bit.ly/CRA-PWA.'
+                            );
+
+                            // Execute callback
+                            if (config && config.onUpdate) {
+                                config.onUpdate(registration);
+                            }
+                        } else {
+                            // At this point, everything has been precached.
+                            // It's the perfect time to display a
+                            // "Content is cached for offline use." message.
+                            console.log('Content is cached for offline use.');
+
+                            // Execute callback
+                            if (config && config.onSuccess) {
+                                config.onSuccess(registration);
+                            }
+                        }
+                    }
+                };
+            };
+        })
+        .catch((error) => {
+            console.error('Error during service worker registration:', error);
+        });
+}
+
+function checkValidServiceWorker(swUrl, config) {
+    // Check if the service worker can be found. If it can't reload the page.
+    fetch(swUrl, {
+        headers: { 'Service-Worker': 'script' },
+    })
+        .then((response) => {
+            // Ensure service worker exists, and that we really are getting a JS file.
+            const contentType = response.headers.get('content-type');
+            if (response.status === 404 || (contentType != null && contentType.indexOf('javascript') === -1)) {
+                // No service worker found. Probably a different app. Reload the page.
+                navigator.serviceWorker.ready.then((registration) => {
+                    registration.unregister().then(() => {
+                        window.location.reload();
+                    });
+                });
+            } else {
+                // Service worker found. Proceed as normal.
+                registerValidSW(swUrl, config);
+            }
+        })
+        .catch(() => {
+            console.log('No internet connection found. App is running in offline mode.');
+        });
+}
+
+export function unregister() {
+    if ('serviceWorker' in navigator) {
+        navigator.serviceWorker.ready
+            .then((registration) => {
+                registration.unregister();
+            })
+            .catch((error) => {
+                console.error(error.message);
+            });
+    }
+}