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feat: add react hooks and components
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,13 @@ | ||
| <!doctype html> | ||
| <html> | ||
| <html lang="en"> | ||
| <head> | ||
| <title>ZXing Reader Demo</title> | ||
| <meta charset="UTF-8" /> | ||
| <link rel="icon" type="image/svg+xml" href="/vite.svg" /> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | ||
| <title>ZXing WASM React</title> | ||
| </head> | ||
| <body> | ||
| <div></div> | ||
| <script type="module" src="./main.ts"></script> | ||
| <div id="root"></div> | ||
| <script type="module" src="./main.tsx"></script> | ||
| </body> | ||
| </html> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /// <reference types="./src/stream/media-track-shims" /> | ||
|
|
||
| import React, { useState } from "react"; | ||
| import ReactDOM from "react-dom/client"; | ||
| import { StreamBarcodeDetector } from "./src/react/components/StreamBarcodeDetector.js"; | ||
|
|
||
| import type { InitConstraints } from "./src/stream/index.js"; | ||
|
|
||
| const App = () => { | ||
| const [initConstraints] = useState<InitConstraints>({ | ||
| video: { | ||
| aspectRatio: undefined, | ||
| }, | ||
| }); | ||
|
|
||
| const [videoConstraints] = useState<MediaTrackConstraints>({ | ||
| advanced: [ | ||
| { | ||
| exposureMode: "continuous", | ||
| }, | ||
| ], | ||
| }); | ||
|
|
||
| return ( | ||
| <StreamBarcodeDetector | ||
| onScanDetect={(r) => { | ||
| console.log(r); | ||
| }} | ||
| onStreamInspect={(c) => { | ||
| console.log(c); | ||
| }} | ||
| initConstraints={initConstraints} | ||
| videoConstraints={videoConstraints} | ||
| scanThrottle={0} | ||
| negativeDebounce={0} | ||
| formats={["QRCode"]} | ||
| /> | ||
| ); | ||
| }; | ||
|
|
||
| ReactDOM.createRoot(document.getElementById("root")!).render( | ||
| <React.StrictMode> | ||
| <App /> | ||
| </React.StrictMode>, | ||
| ); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| import type { PluginItem } from "@babel/core"; | ||
| import { | ||
| binaryExpression, | ||
| identifier, | ||
| logicalExpression, | ||
| stringLiteral, | ||
| unaryExpression, | ||
| variableDeclaration, | ||
| variableDeclarator, | ||
| } from "@babel/types"; | ||
| import babel from "vite-plugin-babel"; | ||
|
|
||
| function emscriptenBunBabel(): PluginItem { | ||
| return { | ||
| visitor: { | ||
| VariableDeclaration(path) { | ||
| if ( | ||
| path.node.kind === "var" && | ||
| path.node.declarations[0]?.id.type === "Identifier" && | ||
| path.node.declarations[0]?.id.name === "ENVIRONMENT_IS_WEB" | ||
| ) { | ||
| path.insertAfter([ | ||
| variableDeclaration("var", [ | ||
| variableDeclarator( | ||
| identifier("ENVIRONMENT_IS_BUN"), | ||
| binaryExpression( | ||
| "!==", | ||
| unaryExpression("typeof", identifier("Bun")), | ||
| stringLiteral("undefined"), | ||
| ), | ||
| ), | ||
| ]), | ||
| ]); | ||
| } | ||
| }, | ||
| LogicalExpression(path) { | ||
| if ( | ||
| path.node.operator === "||" && | ||
| path.node.left.type === "Identifier" && | ||
| (path.node.left.name === "ENVIRONMENT_IS_WEB" || | ||
| path.node.left.name === "ENVIRONMENT_IS_WORKER") && | ||
| path.node.right.type === "Identifier" && | ||
| (path.node.right.name === "ENVIRONMENT_IS_WORKER" || | ||
| path.node.right.name === "ENVIRONMENT_IS_WEB") | ||
| ) { | ||
| path.replaceWith( | ||
| logicalExpression( | ||
| "||", | ||
| path.node, | ||
| identifier("ENVIRONMENT_IS_BUN"), | ||
| ), | ||
| ); | ||
| path.skip(); | ||
| } | ||
| }, | ||
| }, | ||
| }; | ||
| } | ||
|
|
||
| export function emscriptenBun() { | ||
| return babel({ | ||
| babelConfig: { | ||
| plugins: [emscriptenBunBabel()], | ||
| }, | ||
| filter: /zxing_(reader|writer|full)\.js$/, | ||
| include: /zxing_(reader|writer|full)\.js$/, | ||
| }); | ||
| } |
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