fix: ast for division in calc

Author: alexander-akait

lib/parse.js

@@ -53,7 +53,10 @@ module.exports = function(input) {
       } else if (
         code === comma ||
         code === colon ||
-        (code === slash && value.charCodeAt(next + 1) !== star)
+        (code === slash &&
+          value.charCodeAt(next + 1) !== star &&
+          (!parent ||
+            (parent && parent.type === "function" && parent.value !== "calc")))
       ) {
         before = token;
       } else {

test/parse.js

@@ -492,6 +492,46 @@ var tests = [
       }
     ]
   },
+  {
+    message: "should correctly parse subtraction with spaces",
+    fixture: "calc(1 - 2)",
+    expected: [
+      {
+        type: "function",
+        sourceIndex: 0,
+        value: "calc",
+        before: "",
+        after: "",
+        nodes: [
+          {
+            type: "word",
+            sourceIndex: 5,
+            value: "1"
+          },
+          {
+            type: "space",
+            sourceIndex: 6,
+            value: " "
+          },
+          {
+            type: "word",
+            sourceIndex: 7,
+            value: "-"
+          },
+          {
+            type: "space",
+            sourceIndex: 8,
+            value: " "
+          },
+          {
+            type: "word",
+            sourceIndex: 9,
+            value: "2"
+          }
+        ]
+      }
+    ]
+  },
   {
     message: "should correctly parse multiplication with spaces",
     fixture: "calc(1 * 2)",
@@ -532,6 +572,46 @@ var tests = [
       }
     ]
   },
+  {
+    message: "should correctly parse division with spaces",
+    fixture: "calc(1 / 2)",
+    expected: [
+      {
+        type: "function",
+        sourceIndex: 0,
+        value: "calc",
+        before: "",
+        after: "",
+        nodes: [
+          {
+            type: "word",
+            sourceIndex: 5,
+            value: "1"
+          },
+          {
+            type: "space",
+            sourceIndex: 6,
+            value: " "
+          },
+          {
+            type: "word",
+            sourceIndex: 7,
+            value: "/"
+          },
+          {
+            type: "space",
+            sourceIndex: 8,
+            value: " "
+          },
+          {
+            type: "word",
+            sourceIndex: 9,
+            value: "2"
+          }
+        ]
+      }
+    ]
+  },
   {
     message: "should correctly parse multiplication without spaces",
     fixture: "calc(1*2)",
@@ -562,6 +642,36 @@ var tests = [
       }
     ]
   },
+  {
+    message: "should correctly parse division without spaces",
+    fixture: "calc(1/2)",
+    expected: [
+      {
+        type: "function",
+        sourceIndex: 0,
+        value: "calc",
+        before: "",
+        after: "",
+        nodes: [
+          {
+            type: "word",
+            sourceIndex: 5,
+            value: "1"
+          },
+          {
+            type: "word",
+            sourceIndex: 6,
+            value: "/"
+          },
+          {
+            type: "word",
+            sourceIndex: 7,
+            value: "2"
+          }
+        ]
+      }
+    ]
+  },
   {
     message: "should correctly process nested calc functions",
     fixture: "calc(((768px - 100vw) / 2) - 15px)",