simplifying pre-built libraries structure and resolution

lib/edge.js

@@ -1,25 +1,22 @@
-var fs = require('fs')
-    , path = require('path')
-    , builtEdge = path.resolve(__dirname, '../build/Release/' + (process.env.EDGE_USE_CORECLR || !fs.existsSync(path.resolve(__dirname, '../build/Release/edge_nativeclr.node')) ? 'edge_coreclr.node' : 'edge_nativeclr.node'))
-    , edge;
+const fs = require('fs');
+const path = require('path');
+const builtEdge = path.resolve(__dirname, '../build/Release/' + (process.env.EDGE_USE_CORECLR || !fs.existsSync(path.resolve(__dirname, '../build/Release/edge_nativeclr.node')) ? 'edge_coreclr.node' : 'edge_nativeclr.node'));
 
-function determineVersion() {
-    var source = path.resolve(__dirname, `native/${process.platform}/${process.arch}`)
-    const version = `${process.versions.node.split(".")[0]}`; 
-
-    const getDirectories = source =>
-        fs.readdirSync(source, { withFileTypes: true })
-            .filter(dir => dir.isDirectory() && dir.name.startsWith(version))
-            .map(dir => dir.name)
+const nodeVersion = process.versions.node.split(".")[0]
 
-    var nativeModulePath = getDirectories(source).shift()
+var edge;
 
-    if(nativeModulePath) return nativeModulePath;
+function determineVersion() {
+    var nativePath = path.resolve(__dirname, `native/${process.platform}/${process.arch}/${nodeVersion}`);
+    if(fs.existsSync(nativePath)){
+        return nodeVersion;
+    }
 
     throw new Error('The edge module has not been pre-compiled for node.js version ' + process.version +
         '. You must build a custom version of edge.node. Please refer to https://github.com/agracio/edge-js ' +
         'for building instructions.');
 }
+
 var edgeNative;
 if (process.env.EDGE_NATIVE) {
     edgeNative = process.env.EDGE_NATIVE;

tools/build.bat

@@ -6,6 +6,8 @@ if "%1" equ "" (
     exit /b -1
 )
 FOR /F "tokens=* USEBACKQ" %%F IN (`node -p process.arch`) DO (SET ARCH=%%F)
+for /F "delims=." %%a in ("%2") do set MAJORVERSION=%%a
+set MAJORVERSION=%MAJORVERSION: =%
 
 SET FLAVOR=%1
 shift
@@ -18,33 +20,26 @@ if not exist "%NODEEXE%" (
 )
 for %%i in ("%NODEEXE%") do set NODEDIR=%%~dpi
 SET DESTDIRROOT=%SELF%\..\lib\native\win32
-set VERSIONS=
-:harvestVersions
-if "%1" neq "" (
-    set VERSIONS=%VERSIONS% %1
-    shift
-    goto :harvestVersions
-)
-if "%VERSIONS%" equ "" set VERSIONS=20.14.0
+set VERSION=%1
 pushd %SELF%\..
 
 if "%ARCH%" == "arm64" (
-    for %%V in (%VERSIONS%) do call :build arm64 arm64 %%V 
+    call :build arm64 arm64 %VERSION%
 ) else (
-    for %%V in (%VERSIONS%) do call :build ia32 x86 %%V 
-    for %%V in (%VERSIONS%) do call :build x64 x64 %%V 
-
+    call :build ia32 x86 %VERSION%
+    call :build x64 x64 %VERSION%
 )
 popd
 
 exit /b 0
 
 :build
 
-set DESTDIR=%DESTDIRROOT%\%1\%3
+set DESTDIR=%DESTDIRROOT%\%1\%MAJORVERSION%
+if not exist "%DESTDIR%" mkdir "%DESTDIR%"
+type NUL > %DESTDIR%\v%VERSION%
 
 if exist "%DESTDIR%\node.exe" goto gyp
-if not exist "%DESTDIR%\NUL" mkdir "%DESTDIR%"
 echo Downloading node.exe %2 %3...
 node "%SELF%\download.js" %2 %3 "%DESTDIR%"
 if %ERRORLEVEL% neq 0 (