Increase bonus binding power

2 files changed, 26 insertions, 2 deletions

diff --git a/__tests__/parser.test.js b/__tests__/parser.test.js
index 54e1da7..fc47576 100644
--- a/__tests__/parser.test.js
+++ b/__tests__/parser.test.js
@@ -175,6 +175,30 @@ describe('parse', () => {
     })
   })
 
+  test('bonus binds stronger than addition', () => {
+    expect(parse('2d6 + 2d6+2d6')).toEqual({
+      type: 'add',
+      left: {
+        type: 'd',
+        left: { type: 'constant', value: 2 },
+        right: { type: 'constant', value: 6 }
+      },
+      right: {
+        type: 'bonusAdd',
+        left: {
+          type: 'd',
+          left: { type: 'constant', value: 2 },
+          right: { type: 'constant', value: 6 }
+        },
+        right: {
+          type: 'd',
+          left: { type: 'constant', value: 2 },
+          right: { type: 'constant', value: 6 }
+        }
+      }
+    })
+  })
+
   describe('parsing parentheses', () => {
     test('(1d6)d6', () => {
       expect(parse('(1d6)d6')).toEqual({
diff --git a/src/parser.js b/src/parser.js
index 244cdd1..344fb7d 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -65,8 +65,8 @@ newDieOperation('K')
 newDieOperation('k')
 
 newInfix('bigPlus', 20, { type: 'add' })
-newInfix('plus', 20, { type: 'bonusAdd' })
-newInfix('minus', 20, { type: 'bonusSubtract' })
+newInfix('plus', 25, { type: 'bonusAdd' })
+newInfix('minus', 25, { type: 'bonusSubtract' })
 newInfix('bigMinus', 20, { type: 'subtract' })
 newSymbol('minus', (parser) => {
   return {