feat(postinstall): allow environment variable to be in the .npmrc

Author: douglasduteil

scripts/install.js

@@ -4,12 +4,20 @@ const request = require("request");
 const fileName = require("./file-name");
 
 if (fs.existsSync(fileName.qualifiedName)) { return; }
-if (process.env["NATIVE_IMAGE_DIFF_SKIP_BINARY_DOWNLOAD_FOR_CI"]) { return; }
+if (
+  process.env['NATIVE_IMAGE_DIFF_SKIP_BINARY_DOWNLOAD_FOR_CI'] ||
+  process.env.npm_config_native_image_diff_skip_binary_download_for_ci
+) {
+  return;
+}
 
 // Get the version of the library;
 const pkg = require(path.resolve(__dirname, "..", "package.json"));
 const packageVersion = pkg.version;
-const baseUrl = process.env.NATIVE_IMAGE_DIFF_BINARY_URL || "https://github.com/Prior99/native-image-diff/releases/download";
+const baseUrl =
+  process.env.NATIVE_IMAGE_DIFF_BINARY_URL ||
+  process.env.npm_config_native_image_diff_binary_url ||
+  'https://github.com/Prior99/native-image-diff/releases/download';
 const url = `${baseUrl}/${packageVersion}/${fileName.baseName}`;
 
 console.info(`Downloading native-image-diff prebuilt binary from "${url}".`);