Add tag to package.json

Create a simple script to add a tag to the package.json file

Author: ErjanGavalji

.travis/add-publishConfig.js

@@ -0,0 +1,25 @@
+#!/usr/bin/env node
+
+var fsModule = require('fs');
+
+//Adds a publishConfig section to the package.json file
+// and sets a tag to it
+
+var path = './package.json';
+var fileOptions = {encoding: "utf-8"};
+var content = fsModule.readFileSync(path, fileOptions);
+
+var tag = process.argv[2];
+if (!tag) {
+    console.log('Please pass the tag name as an argument!');
+    process.exit(1);
+}
+
+var packageDef = JSON.parse(content);
+if (!packageDef.publishConfig) {
+    packageDef.publishConfig = {};
+}
+packageDef.publishConfig.tag = tag;
+
+var newContent = JSON.stringify(packageDef, null, '  ');
+fsModule.writeFileSync(path, newContent, fileOptions);