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zeavis-edu/apps/tauri/scripts/generate-icons.js
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#!/usr/bin/env node
/**
* Generate Android launcher icons from the ZeaVis Edu logo SVG.
* Produces PNGs at all required densities and replaces Tauri's default icons.
*
* Usage: node scripts/generate-icons.js
* Requires: bun add sharp (already in devDependencies)
*/
const sharp = require('sharp');
const fs = require('fs');
const path = require('path');
const LOGO = path.resolve(__dirname, '../../../.github/assets/zeavis-logo.svg');
const RES = path.resolve(__dirname, '../gen/android/app/src/main/res');
// Android density buckets: [folder, size]
const DENSITIES = [
['mipmap-mdpi', 48],
['mipmap-hdpi', 72],
['mipmap-xhdpi', 96],
['mipmap-xxhdpi', 144],
['mipmap-xxxhdpi', 192],
];
async function generate() {
if (!fs.existsSync(LOGO)) {
console.error(`ERROR: Logo not found at ${LOGO}`);
process.exit(1);
}
console.log(`Generating icons from ${LOGO}...`);
for (const [folder, size] of DENSITIES) {
const dir = path.join(RES, folder);
if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
const png = await sharp(LOGO)
.resize(size, size, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
.png()
.toBuffer();
// Write both legacy and adaptive icon names
for (const name of ['ic_launcher.png', 'ic_launcher_foreground.png', 'ic_launcher_round.png']) {
fs.writeFileSync(path.join(dir, name), png);
}
console.log(` ${folder}: ${size}x${size} OK`);
}
// Also write the legacy icon to drawable for completeness
const drawableDir = path.join(RES, 'drawable');
if (!fs.existsSync(drawableDir)) fs.mkdirSync(drawableDir, { recursive: true });
const refPng = await sharp(LOGO)
.resize(144, 144, { fit: 'contain', background: { r: 0, g: 0, b: 0, alpha: 0 } })
.png()
.toBuffer();
fs.writeFileSync(path.join(drawableDir, 'ic_launcher.png'), refPng);
console.log('Done. Android launcher icons generated.');
}
generate().catch((err) => {
console.error(err);
process.exit(1);
});