Add script to download the correct version of canvas

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

scripts/fix-canvas-deps.ts

@@ -0,0 +1,60 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import child_process from "child_process";
+import { remove } from "fs-extra";
+import fetch from "node-fetch";
+import { platform } from "process";
+import { SemVer } from "semver";
+import stream from "stream";
+import { promisify } from "util";
+import { extract } from "tar";
+
+// From "Node Major Version" to NODE_MODULE_VERSION
+const NODE_MODULE_VERSIONS: Partial<Record<string, string>> = {
+  "16": "93",
+  "17": "102",
+  "18": "108",
+  "19": "111",
+};
+
+function canvasPrebuiltUrlBuilder(canvasVersion: SemVer, nodeVersion: string) {
+  const compiler = platform === "linux"
+    ? "glibc"
+    : "unknown";
+
+  return `https://github.com/Automattic/node-canvas/releases/download/v${canvasVersion.format()}/canvas-v${canvasVersion.format()}-node-v${nodeVersion}-${platform}-${compiler}-x64.tar.gz`;
+}
+
+const exec = promisify(child_process.exec);
+const pipeline = promisify(stream.pipeline);
+
+const electronVersionCommand = "npm list --depth=0 --json";
+const { stdout } = await exec(electronVersionCommand);
+const output = JSON.parse(stdout);
+
+const nodeVersion = new SemVer(output.dependencies["@types/node"].version);
+const nodeModuleVersion = NODE_MODULE_VERSIONS[`${nodeVersion.major}`];
+
+if (!nodeModuleVersion) {
+  throw new Error(`Unknown node major version "${nodeVersion.major}". You need to update the NODE_MODULE_VERSIONS table above from https://nodejs.org/en/download/releases/`);
+}
+
+const canvasVersion = new SemVer(output.dependencies["canvas"].version);
+const canvasPrebuildUrl = canvasPrebuiltUrlBuilder(canvasVersion, nodeModuleVersion);
+
+await remove("./node_modules/canvas/build/Release");
+
+const canvasPrebuilt = await fetch(canvasPrebuildUrl);
+
+if (canvasPrebuilt.status !== 200) {
+  throw new Error(`Failed to download prebuilt from ${canvasPrebuildUrl}: ${canvasPrebuilt.statusText}`);
+}
+
+const dest = extract({
+  cwd: "./node_modules/canvas/build",
+});
+
+await pipeline(canvasPrebuilt.body, dest);