Improve build process on macOS

gulp/win32-resources.js

@@ -0,0 +1,55 @@
+// Sets icon and version info on a packaged Windows executable without rcedit/wine,
+// so Windows builds can be produced from macOS or Linux hosts.
+const fs = require("fs");
+const ResEdit = require("resedit");
+
+const LANG_EN_US = 1033;
+const CODEPAGE_UNICODE = 1200;
+const ICON_GROUP_ID = 1;
+
+/**
+ * @param {string} exePath
+ * @param {{ icon: string, version: string, productName: string, company: string }} opts
+ */
+function applyWin32Resources(exePath, opts) {
+    const exe = ResEdit.NtExecutable.from(fs.readFileSync(exePath));
+    const res = ResEdit.NtExecutableResource.from(exe);
+
+    const iconFile = ResEdit.Data.IconFile.from(fs.readFileSync(opts.icon));
+    ResEdit.Resource.IconGroupEntry.replaceIconsForResource(
+        res.entries,
+        ICON_GROUP_ID,
+        LANG_EN_US,
+        iconFile.icons.map(icon => icon.data)
+    );
+
+    const parts = opts.version.split(".").map(part => parseInt(part, 10) || 0);
+    while (parts.length < 4) {
+        parts.push(0);
+    }
+    const [major, minor, patch, build] = parts;
+
+    const existing = ResEdit.Resource.VersionInfo.fromEntries(res.entries);
+    const versionInfo = existing.length > 0 ? existing[0] : ResEdit.Resource.VersionInfo.createEmpty();
+    versionInfo.setFileVersion(major, minor, patch, build, LANG_EN_US);
+    versionInfo.setProductVersion(major, minor, patch, build, LANG_EN_US);
+    versionInfo.setStringValues(
+        { lang: LANG_EN_US, codepage: CODEPAGE_UNICODE },
+        {
+            FileDescription: opts.productName,
+            ProductName: opts.productName,
+            CompanyName: opts.company,
+            LegalCopyright: opts.company,
+            OriginalFilename: "shapezio.exe",
+            InternalName: "shapezio",
+            FileVersion: opts.version,
+            ProductVersion: opts.version,
+        }
+    );
+    versionInfo.outputToResourceEntries(res.entries);
+
+    res.outputResource(exe);
+    fs.writeFileSync(exePath, Buffer.from(exe.generate()));
+}
+
+module.exports = { applyWin32Resources };