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266#!/usr/bin/env node
/**
* Convert App Images Script
*
* Converts app images to WebP with max dimension of 1200px
* Usage: node convert-app-images.js [app-name]
* If no app-name is provided, converts all apps
*/
const fs = require("fs");
const path = require("path");
const sharp = require("sharp");
const MAX_SIZE = 1200;
const QUALITY = 80;
// Detect if running in CI environment
const isCI = process.env.CI === "true" || process.env.GITHUB_ACTIONS === "true";
// Color codes for terminal output (disabled in CI)
const colors = isCI
? {
reset: "",
red: "",
green: "",
yellow: "",
blue: "",
cyan: "",
}
: {
reset: "\x1b[0m",
red: "\x1b[31m",
green: "\x1b[32m",
yellow: "\x1b[33m",
blue: "\x1b[34m",
cyan: "\x1b[36m",
};
class ImageConverter {
constructor() {
this.appsDir = path.join(process.cwd(), "assets", "apps");
}
log(message, color = "reset") {
if (isCI) {
console.log(message);
} else {
console.log(`${colors[color]}${message}${colors.reset}`);
}
}
// Get image dimensions using sharp
async getImageDimensions(imagePath) {
try {
const metadata = await sharp(imagePath).metadata();
return { width: metadata.width, height: metadata.height };
} catch (err) {
this.log(`Error getting dimensions for ${imagePath}: ${err.message}`, "red");
return null;
}
}
// Update YAML file to replace old filename with new filename
updateYaml(yamlPath, oldName, newName) {
if (!fs.existsSync(yamlPath)) {
return;
}
try {
let content = fs.readFileSync(yamlPath, "utf8");
const updated = content.replace(new RegExp(oldName, "g"), newName);
if (content !== updated) {
fs.writeFileSync(yamlPath, updated, "utf8");
this.log(` ✓ Updated ${path.basename(yamlPath)}: ${oldName} → ${newName}`, "green");
}
} catch (err) {
this.log(` Error updating YAML: ${err.message}`, "yellow");
}
}
// Convert a single image
async convertImage(inputFile) {
const ext = path.extname(inputFile).toLowerCase();
const outputFile = inputFile.replace(/\.(png|jpg|jpeg)$/i, ".webp");
// Get image dimensions
const dimensions = await this.getImageDimensions(inputFile);
if (!dimensions) return;
const { width, height } = dimensions;
const maxDimension = Math.max(width, height);
// Skip ONLY if already webp AND smaller than MAX_SIZE
if (ext === ".webp" && maxDimension <= MAX_SIZE) {
this.log(
` ⊘ Skipping ${path.basename(inputFile)} (${width}x${height}) - already WebP and smaller than ${MAX_SIZE}px`,
"cyan"
);
return;
}
// If already webp but too large, resize it in place
if (ext === ".webp") {
this.log(` → Resizing ${path.basename(inputFile)} (${width}x${height})`, "blue");
try {
await sharp(inputFile)
.resize(MAX_SIZE, MAX_SIZE, {
fit: "inside",
withoutEnlargement: true,
})
.webp({ quality: QUALITY })
.toFile(inputFile + ".tmp");
fs.renameSync(inputFile + ".tmp", inputFile);
this.log(` ✓ Resized ${path.basename(inputFile)}`, "green");
} catch (err) {
this.log(` Error resizing: ${err.message}`, "red");
if (fs.existsSync(inputFile + ".tmp")) {
fs.unlinkSync(inputFile + ".tmp");
}
}
return;
}
// For non-webp files: check if output already exists
if (fs.existsSync(outputFile)) {
this.log(` ✓ ${path.basename(outputFile)} already exists, skipping`, "green");
return;
}
// Process non-webp image
try {
if (maxDimension > MAX_SIZE) {
this.log(
` → Resizing and converting ${path.basename(inputFile)} (${width}x${height})`,
"blue"
);
} else {
this.log(
` → Converting ${path.basename(inputFile)} (${width}x${height})`,
"blue"
);
}
await sharp(inputFile)
.resize(MAX_SIZE, MAX_SIZE, {
fit: "inside",
withoutEnlargement: true,
})
.webp({ quality: QUALITY })
.toFile(outputFile);
this.log(` ✓ Created ${path.basename(outputFile)}`, "green");
// Update index.yaml if it exists
const appDir = path.dirname(inputFile);
const yamlFile = path.join(appDir, "index.yaml");
const oldFilename = path.basename(inputFile);
const newFilename = path.basename(outputFile);
this.updateYaml(yamlFile, oldFilename, newFilename);
// Remove the original file after successful conversion
fs.unlinkSync(inputFile);
this.log(` ✓ Removed original file ${path.basename(inputFile)}`, "green");
} catch (err) {
this.log(` Error converting: ${err.message}`, "red");
}
}
// Process a single app
async processApp(appName) {
const appDir = path.join(this.appsDir, appName);
if (!fs.existsSync(appDir)) {
this.log(`Error: App directory not found: ${appDir}`, "red");
return;
}
this.log(`Processing app: ${appName}`, "cyan");
// Find all image files (png, jpg, jpeg)
const imageFiles = this.findImages(appDir);
if (imageFiles.length === 0) {
this.log(` No images found in ${appName}`, "yellow");
} else {
for (const image of imageFiles) {
await this.convertImage(image);
}
}
this.log("", "reset");
}
// Recursively find image files in a directory
findImages(dir) {
const images = [];
const imageExtensions = [".png", ".jpg", ".jpeg", ".webp"];
const walk = (currentDir) => {
const items = fs.readdirSync(currentDir);
items.forEach((item) => {
const fullPath = path.join(currentDir, item);
const stat = fs.statSync(fullPath);
if (stat.isDirectory()) {
walk(fullPath);
} else if (imageExtensions.includes(path.extname(item).toLowerCase())) {
images.push(fullPath);
}
});
};
walk(dir);
return images;
}
// Process all apps
async processAllApps() {
this.log("Converting all app images to WebP format...", "cyan");
this.log(`Max dimension: ${MAX_SIZE}px, Quality: ${QUALITY}`, "cyan");
this.log("", "reset");
const apps = fs
.readdirSync(this.appsDir)
.filter((item) => {
const itemPath = path.join(this.appsDir, item);
return (
fs.statSync(itemPath).isDirectory() &&
item !== "_template"
);
});
for (const appName of apps) {
await this.processApp(appName);
}
this.log("Done!", "green");
}
// Main execution
async run(appName = null) {
if (appName) {
await this.processApp(appName);
} else {
await this.processAllApps();
}
}
}
// CLI execution
if (require.main === module) {
const appName = process.argv[2];
const converter = new ImageConverter();
converter.run(appName).catch((err) => {
console.error("Fatal error:", err);
process.exit(1);
});
}
module.exports = ImageConverter;