api config

src/configs/api.config.js

@@ -0,0 +1,10 @@
+const helper = require('../utils/helper.util');
+
+const api = {
+  enableCse: helper.setBool('SEARCH_API_ENABLE_CSE'),
+  enableLdap: helper.setBool('SEARCH_API_ENABLE_LDAP'),
+  enableUnit: helper.setBool('SEARCH_API_ENABLE_UNIT'),
+  enableGraphsearch: helper.setBool('SEARCH_API_ENABLE_GRAPHSEARCH')
+};
+
+module.exports = api;

src/utils/helper.util.js

@@ -32,6 +32,20 @@ function permutations (arr) {
   );
 };
 
+/**
+ * Convert an environment variable from string to boolean.
+ *
+ * @example
+ * const helper = require('../utils/helper.util');
+ * helper.setBool('SEARCH_API_ENABLE_CSE');  // => true
+ *
+ * @param {string} key A key of an environment variable.
+ * @returns {boolean} Return true if the env. variable is "true" or false.
+ */
+function setBool (key) {
+  return validateEnv(key).toLowerCase() === 'true';
+}
+
 /**
  * Validate environment variables.
  *
@@ -54,5 +68,6 @@ function validateEnv (key) {
 
 module.exports = {
   permutations,
+  setBool,
   validateEnv
 };