@algebraic/ast - npm Package Compare versions

Comparing version 1.0.0-alpha.17 to 1.0.0-alpha.18

package.json

 {
   "name": "@algebraic/ast",
-  "version": "1.0.0-alpha.17",
+  "version": "1.0.0-alpha.18",
   "description": "",
@@ -18,5 +18,5 @@ "main": "node.js",
   "peerDependencies": {
-    "@algebraic/type": "1.0.0-alpha.17",
-    "@algebraic/collectoons": "1.0.0-alpha.17"
+    "@algebraic/type": "1.0.0-alpha.18",
+    "@algebraic/collectoons": "1.0.0-alpha.18"
   }
 }

value-to-expression.js

@@ -7,6 +7,16 @@ const { is } = require("@algebraic/type");
 
+const Negative = argument => Node.UnaryExpression({ operator: "-", argument });
+
 const ZeroLiteral = Node.NumericLiteral({ value: 0 });
-const NegativeZeroLiteral =
-    Node.UnaryExpression({ operator: "-", argument: ZeroLiteral });
+const NegativeZeroLiteral = Negative(ZeroLiteral);
 
+const OneLiteral = Node.NumericLiteral({ value: 1 });
+const NegativeOneLiteral = Negative(OneLiteral);
+
+const Divide = (left, right) =>
+    Node.BinaryExpression({ operator: "/", left, right });
+const NaNLiteral = Divide(ZeroLiteral, ZeroLiteral);
+const InfinityLiteral = Divide(OneLiteral, ZeroLiteral);
+const NegativeInfinityLiteral = Divide(NegativeOneLiteral, ZeroLiteral);
+
 const TrueLiteral = Node.BooleanLiteral({ value: true });
@@ -34,10 +44,12 @@ const FalseLiteral = Node.BooleanLiteral({ value: false });
 
-    if (Object.is(0, value))
-        return ZeroLiteral;
-
-    if (Object.is(-0, value))
-        return NegativeZeroLiteral;
-
     if (typeof value === "number")
-        return Node.NumericLiteral({ value });
+        return  isNaN(value) ? NaNLiteral :
+                value === Infinity  ? InfinityLiteral :
+                value === -Infinity ? NegativeInfinityLiteral :
+                Object.is(-0, value) ? NegativeZeroLiteral :
+                value === 0 ? ZeroLiteral :
+                value === 1 ? OneLiteral :
+                value === -1 ? NegativeOneLiteral :
+                value > 0 ? Node.NumericLiteral({ value }) :
+                Negative(Node.NumericLiteral({ value: -value }));
 
@@ -44,0 +56,0 @@ if (typeof value === "string")

No alert changes

Improved metrics

Total package byte prevSize

53100

increased by1.4%

Lines of code

1033

increased by1.08%

No dependency changes