[MOD] generate manifest PWA icons (#5859)

client/simple/tools/img.ts

@@ -18,8 +18,10 @@ export type Src2Dest = {
  * Convert a list of SVG files to PNG.
  *
  * @param items - Array of SVG files (src: SVG, dest:PNG) to convert.
+ * @param width - (optional) width of the PNG pictures
+ * @param height - (optional) height of the PNG pictures.
  */
-export const svg2png = (items: Src2Dest[]): void => {
+export const svg2png = (items: Src2Dest[], width?: number, height?: number): void => {
   for (const item of items) {
     fs.mkdirSync(path.dirname(item.dest), { recursive: true });
 
@@ -29,6 +31,9 @@ export const svg2png = (items: Src2Dest[]): void => {
         compressionLevel: 9,
         palette: true
       })
+      .resize(width, height, {
+        fit: "contain"
+      })
       .toFile(item.dest)
       .then((info) => {
         console.log(`[svg2png] created ${item.dest} -- bytes: ${info.size}, w:${info.width}px,  h:${info.height}px`);

client/simple/tools/plg.ts

@@ -17,13 +17,15 @@ import { type Src2Dest, svg2png, svg2svg } from "./img.ts";
  * Vite plugin to convert a list of SVG files to PNG.
  *
  * @param items - Array of SVG files (src: SVG, dest:PNG) to convert.
+ * @param width - (optional) width of the PNG picture
+ * @param height - (optional) height of the PNG picture
  */
-export const plg_svg2png = (items: Src2Dest[]): Plugin => {
+export const plg_svg2png = (items: Src2Dest[], width?: number, height?: number): Plugin => {
   return {
     name: "searxng-simple-svg2png",
     apply: "build",
     writeBundle: () => {
-      svg2png(items);
+      svg2png(items, width, height);
     }
   };
 };