fix: display "-0" for -0 (#2281)

Added special handling code in js/console.ts
denoland · May 3, 2019 · 6929aba · 6929aba
1 parent 5283041
commit 6929aba
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diff --git a/js/console.ts b/js/console.ts
@@ -122,6 +122,8 @@ function stringify(
     case "string":
       return value;
     case "number":
+      // Special handling of -0
+      return Object.is(value, -0) ? "-0" : `${value}`;
     case "boolean":
     case "undefined":
     case "symbol":

diff --git a/js/console_test.ts b/js/console_test.ts
@@ -100,6 +100,7 @@ test(function consoleTestStringifyCircular(): void {
   const nestedObjExpected = `{ num, bool, str, method, asyncMethod, generatorMethod, un, nu, arrowFunc, extendedClass, nFunc, extendedCstr, o }`;
 
   assertEquals(stringify(1), "1");
+  assertEquals(stringify(-0), "-0");
   assertEquals(stringify(1n), "1n");
   assertEquals(stringify("s"), "s");
   assertEquals(stringify(false), "false");