updating build tools

tools/build.bat

@@ -3,6 +3,7 @@ set SELF=%~dp0
 if "%1" equ "" (
     echo Usage: build.bat debug^|release "{version}"
     echo e.g. build.bat release "20.12.2"
+    echo e.g. build.bat release "20"
     exit /b -1
 )
 FOR /F "tokens=* USEBACKQ" %%F IN (`node -p process.arch`) DO (SET ARCH=%%F)
@@ -20,7 +21,21 @@ if not exist "%NODEEXE%" (
 )
 for %%i in ("%NODEEXE%") do set NODEDIR=%%~dpi
 SET DESTDIRROOT=%SELF%\..\lib\native\win32
+
 set VERSION=%1
+
+if %MAJORVERSION% equ %VERSION% (
+    echo Getting latest version of Node.js v%1
+    FOR /F "tokens=* USEBACKQ" %%F IN (`node "%SELF%\get_version.js" "%VERSION%"`) DO (SET VERSION=%%F)
+) 
+
+if %MAJORVERSION% equ %VERSION% (
+    echo Cannot determine Node.js version for %VERSION%
+    exit /b -1
+)
+
+echo Building Node.js v%VERSION%
+
 pushd %SELF%\..
 
 if "%ARCH%" == "arm64" (
@@ -40,8 +55,9 @@ if not exist "%DESTDIR%" mkdir "%DESTDIR%"
 type NUL > %DESTDIR%\node.version
 echo %VERSION%> %DESTDIR%\node.version
 
-if exist "%DESTDIR%\node.exe" goto gyp
-echo Downloading node.exe %2 %3...
+rem if exist "%DESTDIR%\node.exe" goto gyp
+
+echo Downloading node.exe %2 %3
 node "%SELF%\download.js" %2 %3 "%DESTDIR%"
 if %ERRORLEVEL% neq 0 (
     echo Cannot download node.exe %2 v%3
@@ -69,8 +85,8 @@ if %ERRORLEVEL% neq 0 (
 REM Conflict when building arm64 binaries
 if "%ARCH%" == "arm64" (
     FOR %%F IN (build\*.vcxproj) DO (
-    echo Patch /fp:strict in %%F
-    powershell -Command "(Get-Content -Raw %%F) -replace '<FloatingPointModel>Strict</FloatingPointModel>', '<!-- <FloatingPointModel>Strict</FloatingPointModel> -->' | Out-File -Encoding Utf8 %%F"
+        echo Patch /fp:strict in %%F
+        powershell -Command "(Get-Content -Raw %%F) -replace '<FloatingPointModel>Strict</FloatingPointModel>', '<!-- <FloatingPointModel>Strict</FloatingPointModel> -->' | Out-File -Encoding Utf8 %%F"
     )
 )
 

tools/get_version.js

@@ -0,0 +1,38 @@
+var {http} = require('follow-redirects');
+
+try_get();
+
+function try_get() {
+	let url = 'http://nodejs.org/dist/index.json';
+
+	http.get(url,(res) => {
+		let body = "";
+
+		if (res.statusCode !== 200) {
+			throw new Error(`Unable to get Node.js versions from ${url}`);
+		}
+
+		res.on("data", (chunk) => {
+			body += chunk;
+		});
+
+		res.on("end", () => {
+			try {
+				let json = JSON.parse(body);
+
+				for (const el of json.sort()) {
+					let version = el.version.substring(1, el.version.length) ;
+					if(version.startsWith(process.argv[2])){
+						console.log(version)
+						return version;
+					}
+				}
+			} catch (error) {
+				throw error;
+			};
+		});
+
+	}).on("error", (error) => {
+		throw new Error(error);
+	});
+}