Add JS breakpoint into Debug.assert failure

weswigham · weswigham · commit 8658bf487e64 · 2015-10-21T16:11:22.000-07:00
I was talking to @DanielRosenwasser the other day and mentioned this - it's been a floating patch that I keep reapplying on top of my own changes locally. Turns out, it's pretty useful to have a preset breakpoint when an assertion is violated.
diff --git a/src/compiler/core.ts b/src/compiler/core.ts
@@ -832,7 +832,7 @@ namespace ts {
                 if (verboseDebugInfo) {
                     verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo();
                 }
-
+                debugger;
                 throw new Error("Debug Failure. False expression: " + (message || "") + verboseDebugString);
             }
         }
@@ -851,4 +851,4 @@ namespace ts {
         }
         return copiedList;
     }
-}
+}

Original file line number	Diff line number	Diff line change
`@@ -832,7 +832,7 @@ namespace ts {`
`832`	`832`	`if (verboseDebugInfo) {`
`833`	`833`	`verboseDebugString = "\r\nVerbose Debug Information: " + verboseDebugInfo();`
`834`	`834`	`}`
`835`		`-`
	`835`	`+ debugger;`
`836`	`836`	`throw new Error("Debug Failure. False expression: " + (message \|\| "") + verboseDebugString);`
`837`	`837`	`}`
`838`	`838`	`}`
`@@ -851,4 +851,4 @@ namespace ts {`
`851`	`851`	`}`
`852`	`852`	`return copiedList;`
`853`	`853`	`}`
`854`		`-}`
	`854`	`+}`