diff --git a/README.md b/README.md index 7b27460..292c84c 100644 --- a/README.md +++ b/README.md @@ -15,7 +15,7 @@ The project is built using MSW and can be run directly on a local machine or in The framework is written in TypeScript and can : - Serve data from static files (JSON or text) -- Serve media : Images and Videos +- Serve media : Images (which can be dynamically resized using url parameters) and Videos - Serve markdown files - Be used to write and test AWS Lambda Functions - Use custom middleware to transform input/output @@ -253,6 +253,15 @@ and http://localhost:8000/api/videos/placeholder.mp4 ``` +#### 9.1 Resizing images + +Images should be saved in PNG format. To get an image of any required size, pass the pixel width and height in the url parameters. +Note: both a height AND a width need to be passed for the image to resize otherwise the default size is used. + +``` +http://localhost:8000/api/images/placeholder.png?width=300&height=500 +``` + ### 10. Markdown Markdown can be served from the markdown folder in src/resources/markdown and supports code highlighting. Note the url doesn't need to include .md diff --git a/package-lock.json b/package-lock.json index d939b15..ebfa50e 100644 --- a/package-lock.json +++ b/package-lock.json @@ -17,6 +17,7 @@ "markdown-it": "^14.1.0", "msw": "^2.7.4", "pretty-print-json": "^3.0.4", + "sharp": "^0.34.1", "tsx": "^4.19.3", "typescript": "^5.8.3", "zod": "^3.24.2" @@ -689,6 +690,16 @@ "dev": true, "license": "MIT" }, + "node_modules/@emnapi/runtime": { + "version": "1.4.3", + "resolved": "https://registry.npmjs.org/@emnapi/runtime/-/runtime-1.4.3.tgz", + "integrity": "sha512-pBPWdu6MLKROBX05wSNKcNb++m5Er+KQ9QkB+WVM+pW2Kx9hoSrVTnu3BdkI5eBLZoKu/J6mW/B6i6bJB2ytXQ==", + "license": "MIT", + "optional": true, + "dependencies": { + "tslib": "^2.4.0" + } + }, "node_modules/@esbuild/aix-ppc64": { "version": "0.25.1", "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.25.1.tgz", @@ -1265,6 +1276,383 @@ "integrity": 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"https://github.com/sponsors/isaacs" } }, + "node_modules/simple-swizzle": { + "version": "0.2.2", + "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz", + "integrity": "sha512-JA//kQgZtbuY83m+xT+tXJkmJncGMTFT+C+g2h2R9uxkYIrE2yy9sgmcLhCnw57/WSD+Eh3J97FPEDFnbXnDUg==", + "license": "MIT", + "dependencies": { + "is-arrayish": "^0.3.1" + } + }, + "node_modules/simple-swizzle/node_modules/is-arrayish": { + "version": "0.3.2", + "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz", + "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==", + "license": "MIT" + }, "node_modules/slash": { "version": "5.1.0", "resolved": "https://registry.npmjs.org/slash/-/slash-5.1.0.tgz", @@ -11372,7 +11846,7 @@ "version": "2.6.2", "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.6.2.tgz", "integrity": "sha512-AEYxH93jGFPn/a2iVAwW87VuUIkR1FVUKB77NwMF7nBTDkDrrT/Hpt/IrCJ0QXhW27jTBDcf5ZY7w6RiqTMw2Q==", - "dev": true + "devOptional": true }, "node_modules/tsx": { "version": "4.19.3", diff --git a/package.json b/package.json index 7e8d0ee..31fecba 100644 --- a/package.json +++ b/package.json @@ -30,6 +30,7 @@ "markdown-it": "^14.1.0", "msw": "^2.7.4", "pretty-print-json": "^3.0.4", + "sharp": "^0.34.1", "tsx": "^4.19.3", "typescript": "^5.8.3", "zod": "^3.24.2" diff --git a/src/api/images/api.ts b/src/api/images/api.ts index 583f33d..b4f484e 100644 --- a/src/api/images/api.ts +++ b/src/api/images/api.ts @@ -1,6 +1,7 @@ import fs from 'node:fs'; import path from 'node:path'; import { http, HttpResponse } from 'msw'; +import sharp from 'sharp'; // Add any http handler here (get, push , delete etc., and middleware as needed) @@ -23,18 +24,32 @@ function handler(pathName: string) { }, ); }), - http.get(`/${pathName}/:imageID`, ({ request }) => { + http.get(`/${pathName}/:imageID`, async ({ request }) => { const url = new URL(request.url); + const width = url.searchParams.get('width'); + const height = url.searchParams.get('height'); + console.log(`height ${height} and width ${width}`); const params = url.pathname.split('/').pop(); console.log(`starting ${pathName}`); try { - const buffer = fs.readFileSync( + // Convert width and height to integers, if provided + const resizeOptions: sharp.ResizeOptions = {}; + if (width && height) + resizeOptions.width = Number.parseInt(width, 10); + if (height && width) + resizeOptions.height = Number.parseInt(height, 10); + + const inputBuffer = fs.readFileSync( path.resolve(`./src/resources/images/${params}`), ); + const resizedImageBuffer = await sharp(inputBuffer) + .resize(resizeOptions) // Only applies resize if width/height are present + .png() + .toBuffer(); - return HttpResponse.arrayBuffer(buffer, { + return HttpResponse.arrayBuffer(resizedImageBuffer, { headers: { 'Content-Type': 'image/png', 'Access-Control-Allow-Origin': '*',