Merge pull request #12 from joachimprinzbach/master

Add ability to specify CYPRESS_MOON_BINARY in .npmrc

README.md

@@ -14,6 +14,11 @@ To override binary download URL:
 $ CYPRESS_MOON_BINARY=https://company.example.com/download/cypress-moon npm install @aerokube/cypress-moon --save-dev
 ```
 
+or use a .npmrc config with your own mirror:
+`
+CYPRESS_MOON_MIRROR=https://company.example.com/download/cypress-moon
+`
+
 To use binary already present on the file system:
 
 ```

lib/index.js

@@ -33,17 +33,23 @@ async function cypressMoon() {
 
     const outputPath = path.join(dest, binName);
     await fs.promises.mkdir(dest, {recursive: true});
-    const binaryUrlOverride = process.env.CYPRESS_MOON_BINARY;
+    const cypressMoonMirror = process.env.npm_config_CYPRESS_MOON_MIRROR;
+    const binaryUrlOverride = process.env.CYPRESS_MOON_BINARY
     const binaryUrlIsLocalPath = await fileExists(binaryUrlOverride);
     if (binaryUrlIsLocalPath) {
         console.log(`Using local binary from ${binaryUrlOverride}...`);
         await fs.promises.copyFile(binaryUrlOverride, outputPath);
     }
     const exists = await fileExists(outputPath);
     if (!exists) {
-        const url = binaryUrlOverride ?
-            binaryUrlOverride :
-            `https://github.com/aerokube/moon/releases/download/${moonVersion}/${binName}`;
+        let url
+        if (cypressMoonMirror) {
+            url = `${cypressMoonMirror}/${moonVersion}/${binName}`
+        } else if (binaryUrlOverride) {
+            url = binaryUrlOverride
+        } else {
+            url = `https://github.com/aerokube/moon/releases/download/${moonVersion}/${binName}`;
+        }
         console.log(`Downloading binary from ${url}...`);
         await downloadFile(url, outputPath);
         await fs.promises.chmod(outputPath, 0o755);