Move @k8slens/generate-tray-icons to seperate package (#7057)

* Move @k8slens/generate-tray-icons to seperate package

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Rename very long folder name to fix issue on windows

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Make it possible to build on windows using powershell

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix integration tests on windows

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Don't error on close directly

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Switch to type: module for generate-tray-icons

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Make more packages type:module

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix scripts needing node

Signed-off-by: Sebastian Malton <sebastian@malton.name>

---------

Signed-off-by: Sebastian Malton <sebastian@malton.name>

packages/generate-tray-icons/src/index.ts

@@ -0,0 +1,155 @@
+#!/usr/bin/env node
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import { mkdir, readFile } from "fs/promises";
+import { JSDOM } from "jsdom";
+import path from "path";
+import sharp from "sharp";
+import arg from "arg";
+
+const options = arg({
+  "--input": String,
+  "--output": String,
+  "--notice-icon": String,
+  "--spinner-icon": String,
+  "--output-size": Number,
+});
+
+type Options = typeof options;
+
+const assertOption = <Key extends keyof Options>(key: Key): NonNullable<Options[Key]> => {
+  const raw = options[key];
+
+  if (!raw) {
+    console.error(`missing ${key} option`);
+    process.exit(1);
+  }
+
+  return raw;
+};
+
+const size = options["--output-size"] ?? 16;
+const inputFile = assertOption("--input");
+const outputFolder = assertOption("--output");
+const noticeFile = assertOption("--notice-icon");
+const spinnerFile = assertOption("--spinner-icon");
+
+const getSvgStyling = (colouring: "dark" | "light") => (
+  `
+    <style>
+      ellipse {
+        stroke: ${colouring === "dark" ? "white" : "black"} !important;
+      }
+      path, rect {
+        fill: ${colouring === "dark" ? "white" : "black"} !important;
+      }
+    </style>
+  `
+);
+
+type TargetSystems = "macos" | "windows-or-linux";
+
+const getBaseIconImage = async (system: TargetSystems) => {
+  const svgData = await readFile(inputFile, { encoding: "utf-8" });
+  const dom = new JSDOM(`<body>${svgData}</body>`);
+  const root = dom.window.document.body.getElementsByTagName("svg")[0];
+
+  root.innerHTML += getSvgStyling(system === "macos" ? "light" : "dark");
+
+  return Buffer.from(root.outerHTML);
+}
+
+const generateImage = (image: Buffer, size: number, namePrefix: string) => (
+  sharp(image)
+    .resize({ width: size, height: size })
+    .png()
+    .toFile(path.join(outputFolder, `${namePrefix}.png`))
+);
+
+const generateImages = (image: Buffer, size: number, name: string) => Promise.all([
+  generateImage(image, size, name),
+  generateImage(image, size * 2, `${name}@2x`),
+  generateImage(image, size * 3, `${name}@3x`),
+  generateImage(image, size * 4, `${name}@4x`),
+]);
+
+async function generateImageWithSvg(baseImage: Buffer, system: TargetSystems, filePath: string) {
+  const svgFile = await getIconImage(system, filePath);
+
+  const circleBuffer = await sharp(Buffer.from(`
+    <svg viewBox="0 0 64 64">
+      <circle cx="32" cy="32" r="32" fill="black" />
+    </svg>
+  `))
+    .toBuffer();
+
+  return sharp(baseImage)
+    .resize({ width: 128, height: 128 })
+    .composite([
+      {
+        input: circleBuffer,
+        top: 64,
+        left: 64,
+        blend: "dest-out",
+      },
+      {
+        input: (
+          await sharp(svgFile)
+            .resize({
+              width: 60,
+              height: 60,
+            })
+            .toBuffer()
+        ),
+        top: 66,
+        left: 66,
+      },
+    ])
+    .toBuffer();
+}
+
+async function getIconImage(system: TargetSystems, filePath: string) {
+  const svgData = await readFile(filePath, { encoding: "utf-8" });
+  const root = new JSDOM(svgData).window.document.getElementsByTagName("svg")[0];
+
+  root.innerHTML += getSvgStyling(system === "macos" ? "light" : "dark");
+
+  return Buffer.from(root.outerHTML);
+}
+
+try {
+  console.log("Generating tray icon pngs");
+  await mkdir(outputFolder, {
+    recursive: true,
+  });
+
+  const baseIconTemplateImage = await getBaseIconImage("macos");
+  const baseIconImage = await getBaseIconImage("windows-or-linux");
+
+  const updateAvailableTemplateImage = await generateImageWithSvg(baseIconTemplateImage, "macos", noticeFile);
+  const updateAvailableImage = await generateImageWithSvg(baseIconImage, "windows-or-linux", noticeFile);
+
+  const checkingForUpdatesTemplateImage = await generateImageWithSvg(baseIconTemplateImage, "macos", spinnerFile);
+  const checkingForUpdatesImage = await generateImageWithSvg(baseIconImage, "windows-or-linux", spinnerFile);
+
+  await Promise.all([
+    // Templates are for macOS only
+    generateImages(baseIconTemplateImage, size, "trayIconTemplate"),
+    generateImages(updateAvailableTemplateImage, size, "trayIconUpdateAvailableTemplate"),
+    generateImages(updateAvailableTemplateImage, size, "trayIconUpdateAvailableTemplate"),
+    generateImages(checkingForUpdatesTemplateImage, size, "trayIconCheckingForUpdatesTemplate"),
+
+    // Non-templates are for windows and linux
+    generateImages(baseIconImage, size, "trayIcon"),
+    generateImages(updateAvailableImage, size, "trayIconUpdateAvailable"),
+    generateImages(checkingForUpdatesImage, size, "trayIconCheckingForUpdates"),
+  ]);
+
+  console.log("Generated all images");
+} catch (error) {
+  console.error(error);
+  process.exit(1);
+}