initial commit

templates.js

@@ -0,0 +1,30 @@
+const fs = require('fs');
+const path = require('path');
+
+function replaceOption(string, key, value) {
+    const re = new RegExp(`\\$\{${key}\}`, 'g');
+    return string.replace(re, value);
+}
+
+function cleanUnsetVars(string) {
+    const re = new RegExp('\\$\{[a-zA-Z-_]+\}', 'g');
+    return string.replace(re, '');
+}
+
+module.exports.get = (templateName, options, callback) => {
+    const filename = path.join(__dirname, 'templates', templateName + '.template');
+
+    fs.readFile(filename, 'utf-8', (err, template) => {
+        if (err) {
+            callback(err);
+            return;
+        }
+        const replaced = Object.keys(options).reduce((memo, key) => {
+            return replaceOption(memo, key, options[key]);
+        }, template);
+
+        const result = cleanUnsetVars(replaced);
+
+        callback(null, result);
+    });
+};