Add parseBoolean helper function

app/assets/javascripts/lib/utils/common_utils.js

@@ -420,13 +420,29 @@ export const historyPushState = newUrl => {
   window.history.pushState({}, document.title, newUrl);
 };
 
+/**
+ * Returns true for a String "true" and false otherwise.
+ * This is the opposite of Boolean(...).toString()
+ *
+ * @param  {String} value
+ * @returns {Boolean}
+ */
+export const parseBoolean = value => value === 'true';
+
 /**
  * Converts permission provided as strings to booleans.
  *
  * @param  {String} string
  * @returns {Boolean}
  */
-export const convertPermissionToBoolean = permission => permission === 'true';
+export const convertPermissionToBoolean = permission => {
+  if (process.env.NODE_ENV !== 'production') {
+    // eslint-disable-next-line no-console
+    console.warn('convertPermissionToBoolean is deprecated! Please use parseBoolean instead.');
+  }
+
+  return parseBoolean(permission);
+};
 
 /**
  * Back Off exponential algorithm

spec/javascripts/lib/utils/common_utils_spec.js

@@ -346,6 +346,24 @@ describe('common_utils', () => {
     });
   });
 
+  describe('parseBoolean', () => {
+    it('returns true for "true"', () => {
+      expect(commonUtils.parseBoolean('true')).toEqual(true);
+    });
+
+    it('returns false for "false"', () => {
+      expect(commonUtils.parseBoolean('false')).toEqual(false);
+    });
+
+    it('returns false for "something"', () => {
+      expect(commonUtils.parseBoolean('something')).toEqual(false);
+    });
+
+    it('returns false for null', () => {
+      expect(commonUtils.parseBoolean(null)).toEqual(false);
+    });
+  });
+
   describe('convertPermissionToBoolean', () => {
     it('should convert a boolean in a string to a boolean', () => {
       expect(commonUtils.convertPermissionToBoolean('true')).toEqual(true);