[mod] theme/simple: fmt/lint minor pass

*Safe* changes, no behaviour changes.

- Initial ES5 to ES2015+ conversion.
- Plenty of styling diff changes.

3 files changed, 67 insertions, 89 deletions

diff --git a/client/simple/tools/img.js b/client/simple/tools/img.js
index 8f815970a..3f79f5ac5 100644
--- a/client/simple/tools/img.js
+++ b/client/simple/tools/img.js
@@ -9,40 +9,35 @@ import { optimize as svgo } from "svgo";
  * @property {string} dest - Name of the destination file.
  */
 
-
 /**
  * Convert a list of SVG files to PNG.
  *
  * @param {Src2Dest[]} items - Array of SVG files (src: SVG, dest:PNG) to convert.
  */
 
-async function svg2png (items) {
-  items.forEach(
-    async (item) => {
-      try {
-        fs.mkdir(path.dirname(item.dest), { recursive: true }, (err) => {
-          if (err)
-            throw err;
-        });
+async function svg2png(items) {
+  items.forEach(async (item) => {
+    try {
+      fs.mkdir(path.dirname(item.dest), { recursive: true }, (err) => {
+        if (err) throw err;
+      });
 
-        const info = await sharp(item.src).png({
+      const info = await sharp(item.src)
+        .png({
           force: true,
           compressionLevel: 9,
-          palette: true,
-        }).toFile(item.dest);
+          palette: true
+        })
+        .toFile(item.dest);
 
-        console.log(
-          `[svg2png] created ${item.dest} -- bytes: ${info.size}, w:${info.width}px,  h:${info.height}px`
-        );
-      } catch (err) {
-        console.error(`ERROR: ${item.dest} -- ${err}`);
-        throw(err);
-      }
+      console.log(`[svg2png] created ${item.dest} -- bytes: ${info.size}, w:${info.width}px,  h:${info.height}px`);
+    } catch (err) {
+      console.error(`ERROR: ${item.dest} -- ${err}`);
+      throw err;
     }
-  );
+  });
 }
 
-
 /**
  * Optimize SVG images for WEB.
  *
@@ -51,28 +46,21 @@ async function svg2png (items) {
  */
 
 async function svg2svg(svgo_opts, items) {
-  items.forEach(
-    async (item) => {
-      try {
-        fs.mkdir(path.dirname(item.dest), { recursive: true }, (err) => {
-          if (err)
-            throw err;
-        });
+  items.forEach(async (item) => {
+    try {
+      fs.mkdir(path.dirname(item.dest), { recursive: true }, (err) => {
+        if (err) throw err;
+      });
 
-        const raw = fs.readFileSync(item.src, "utf8");
-        const opt = svgo(raw, svgo_opts);
-        fs.writeFileSync(item.dest, opt.data);
-        console.log(
-          `[svg2svg] optimized: ${item.dest} -- src: ${item.src}`
-        );
-
-      } catch (err) {
-        console.error(`ERROR: optimize src: ${item.src} -- ${err}`);
-        throw(err);
-      }
+      const raw = fs.readFileSync(item.src, "utf8");
+      const opt = svgo(raw, svgo_opts);
+      fs.writeFileSync(item.dest, opt.data);
+      console.log(`[svg2svg] optimized: ${item.dest} -- src: ${item.src}`);
+    } catch (err) {
+      console.error(`ERROR: optimize src: ${item.src} -- ${err}`);
+      throw err;
     }
-  );
+  });
 }
 
-
 export { svg2png, svg2svg };
diff --git a/client/simple/tools/jinja_svg_catalog.js b/client/simple/tools/jinja_svg_catalog.js
index e3e8f1216..a3e4fd166 100644
--- a/client/simple/tools/jinja_svg_catalog.js
+++ b/client/simple/tools/jinja_svg_catalog.js
@@ -1,8 +1,8 @@
+import { Edge } from "edge.js";
 import fs from "fs";
-import { resolve, dirname } from "path";
-import { Edge } from 'edge.js';
+import { dirname, resolve } from "path";
 import { optimize as svgo } from "svgo";
-import { fileURLToPath } from 'url';
+import { fileURLToPath } from "url";
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const __jinja_class_placeholder__ = "__jinja_class_placeholder__";
@@ -30,7 +30,6 @@ const __jinja_class_placeholder__ = "__jinja_class_placeholder__";
  * @property {string} class - SVG's class name (value of XML class attribute)
  */
 
-
 // -- functions
 
 /**
@@ -43,34 +42,30 @@ const __jinja_class_placeholder__ = "__jinja_class_placeholder__";
  */
 
 function jinja_svg_catalog(dest, macros, items) {
-
   const svg_catalog = {};
   const edge_template = resolve(__dirname, "jinja_svg_catalog.html.edge");
 
-  items.forEach(
-    (item) => {
-
-      /** @type {import("svgo").Config} */
-      // JSON.stringify & JSON.parse are used to create a deep copy of the
-      // item.svgo_opts object
-      const svgo_opts = JSON.parse(JSON.stringify(item.svgo_opts));
-      svgo_opts.plugins.push({
-        name: "addClassesToSVGElement",
-        params: {
-          classNames: [__jinja_class_placeholder__]
-        }}
-      );
-
-      try {
-        const raw = fs.readFileSync(item.src, "utf8");
-        const opt = svgo(raw, svgo_opts);
-        svg_catalog[item.name] = opt.data;
-      } catch (err) {
-        console.error(`ERROR: jinja_svg_catalog processing ${item.name} src: ${item.src} -- ${err}`);
-        throw(err);
+  items.forEach((item) => {
+    /** @type {import("svgo").Config} */
+    // JSON.stringify & JSON.parse are used to create a deep copy of the
+    // item.svgo_opts object
+    const svgo_opts = JSON.parse(JSON.stringify(item.svgo_opts));
+    svgo_opts.plugins.push({
+      name: "addClassesToSVGElement",
+      params: {
+        classNames: [__jinja_class_placeholder__]
       }
+    });
+
+    try {
+      const raw = fs.readFileSync(item.src, "utf8");
+      const opt = svgo(raw, svgo_opts);
+      svg_catalog[item.name] = opt.data;
+    } catch (err) {
+      console.error(`ERROR: jinja_svg_catalog processing ${item.name} src: ${item.src} -- ${err}`);
+      throw err;
     }
-  );
+  });
 
   fs.mkdir(dirname(dest), { recursive: true }, (err) => {
     if (err) throw err;
@@ -82,20 +77,16 @@ function jinja_svg_catalog(dest, macros, items) {
     edge_template: edge_template,
     __jinja_class_placeholder__: __jinja_class_placeholder__,
     // see https://github.com/edge-js/edge/issues/162
-    open_curly_brace : "{{",
-    close_curly_brace : "}}"
+    open_curly_brace: "{{",
+    close_curly_brace: "}}"
   };
 
-  const jinjatmpl = Edge.create().renderRawSync(
-	  fs.readFileSync(edge_template, "utf-8"),
-	  ctx
-  );
+  const jinjatmpl = Edge.create().renderRawSync(fs.readFileSync(edge_template, "utf-8"), ctx);
 
   fs.writeFileSync(dest, jinjatmpl);
   console.log(`[jinja_svg_catalog] created: ${dest}`);
 }
 
-
 /**
  * Calls jinja_svg_catalog for a collection of icon sets where each set has its
  * own parameters.
@@ -109,7 +100,6 @@ function jinja_svg_sets(dest, macros, sets) {
   const items = [];
   const all = [];
   for (const obj of sets) {
-
     for (const [name, file] of Object.entries(obj.set)) {
       if (all.includes(name)) {
         throw new Error(`ERROR: ${name} has already been defined`);
@@ -117,7 +107,7 @@ function jinja_svg_sets(dest, macros, sets) {
       items.push({
         name: name,
         src: resolve(obj.base, file),
-        svgo_opts: obj.svgo_opts,
+        svgo_opts: obj.svgo_opts
       });
     }
     jinja_svg_catalog(dest, macros, items);
@@ -126,7 +116,4 @@ function jinja_svg_sets(dest, macros, sets) {
 
 // -- exports
 
-export {
-  jinja_svg_sets,
-  jinja_svg_catalog,
-};
+export { jinja_svg_sets, jinja_svg_catalog };
diff --git a/client/simple/tools/plg.js b/client/simple/tools/plg.js
index 16ec268b6..6cd4d491d 100644
--- a/client/simple/tools/plg.js
+++ b/client/simple/tools/plg.js
@@ -8,8 +8,7 @@
  *   needed.
  */
 
-import { svg2png } from "./img.js";
-import { svg2svg } from "./img.js";
+import { svg2png, svg2svg } from "./img.js";
 
 /**
  * Vite plugin to convert a list of SVG files to PNG.
@@ -18,9 +17,11 @@ import { svg2svg } from "./img.js";
  */
 function plg_svg2png(items) {
   return {
-    name: 'searxng-simple-svg2png',
-    apply: 'build', // or 'serve'
-    async writeBundle() { svg2png(items); },
+    name: "searxng-simple-svg2png",
+    apply: "build", // or 'serve'
+    async writeBundle() {
+      svg2png(items);
+    }
   };
 }
 
@@ -32,9 +33,11 @@ function plg_svg2png(items) {
  */
 function plg_svg2svg(svgo_opts, items) {
   return {
-    name: 'searxng-simple-svg2png',
-    apply: 'build', // or 'serve'
-    async writeBundle() { svg2svg(items, svgo_opts); },
+    name: "searxng-simple-svg2png",
+    apply: "build", // or 'serve'
+    async writeBundle() {
+      svg2svg(items, svgo_opts);
+    }
   };
 }