fix: fix npm_config_target_arch/os priority

Author: aminya

README.md

@@ -24,12 +24,18 @@ cmake-ts can build the projects with built-in configurations that are selected d
 cmake-ts build --config debug
 ```
 
-You can cross-compile by specifying the built-in cross configs
+You can cross-compile by specifying the built-in cross configs:
 
 ```bash
 cmake-ts build --config cross-win32-arm64-release
 ```
 
+Or by specifying the `npm_config_target_os` and `npm_config_target_arch` environment variables:
+
+```bash
+npm_config_target_os=linux npm_config_target_arch=arm64 cmake-ts build
+```
+
 ### CLI Arguments
 
 `build` command:
@@ -81,11 +87,11 @@ Options:
          - `darwin-arm64-node-release`
          - `darwin-arm64-electron-relwithdebinfo`
 
-      To explicitly indicate cross-compilation, prefix the config name with \`cross-\`:
+      To explicitly indicate cross-compilation, prefix the config name with `cross-`:
 
-       - \`cross-win32-ia32-node-release\`
-       - \`cross-linux-arm64-node-release\`
-       - \`cross-darwin-x64-electron-relwithdebinfo\`
+       - `cross-win32-ia32-node-release`
+       - `cross-linux-arm64-node-release`
+       - `cross-darwin-x64-electron-relwithdebinfo`
 
       You can also define your own configs in the config file (package.json).
 

src/config.ts

@@ -66,10 +66,10 @@ export async function getBuildConfig(
   config.arch ??= globalConfig.arch ?? process.arch
   config.cross ??=
     globalConfig.cross ??
-    (process.platform !== config.os ||
-      (process.env.npm_config_target_os !== undefined && process.env.npm_config_target_os !== config.os) ||
-      process.arch !== config.arch ||
-      (process.env.npm_config_target_arch !== undefined && process.env.npm_config_target_arch !== config.arch))
+    ((process.env.npm_config_target_os !== undefined && process.env.npm_config_target_os !== config.os) ||
+      (process.env.npm_config_target_arch !== undefined && process.env.npm_config_target_arch !== config.arch) ||
+      process.platform !== config.os ||
+      process.arch !== config.arch)
 
   // Runtime