Make Error.prepareStackTrace read-only (again)

This time, we've provided a way for Grim to access an Error's raw stack trace array
Shazzaam · Oct 16, 2015 · c36b4bd · c36b4bd
1 parent 7d74382
commit c36b4bd
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Showing 2 changed files with 22 additions and 1 deletion.
diff --git a/package.json b/package.json
@@ -28,7 +28,7 @@
     "fstream": "0.1.24",
     "fuzzaldrin": "^2.1",
     "git-utils": "^4",
-    "grim": "1.4.2",
+    "grim": "1.5.0",
     "jasmine-json": "~0.0",
     "jasmine-tagged": "^1.1.4",
     "jquery": "^2.1.1",

diff --git a/src/compile-cache.js b/src/compile-cache.js
@@ -158,6 +158,27 @@ require('source-map-support').install({
   }
 })
 
+var sourceMapPrepareStackTrace = Error.prepareStackTrace
+var prepareStackTrace = sourceMapPrepareStackTrace
+
+// Prevent coffee-script from reassigning Error.prepareStackTrace
+Object.defineProperty(Error, 'prepareStackTrace', {
+  get: function () { return prepareStackTrace },
+  set: function (newValue) {}
+})
+
+// Enable Grim to access the raw stack without reassigning Error.prepareStackTrace
+Error.prototype.getRawStack = function () {
+  prepareStackTrace = getRawStack
+  var result = this.stack
+  prepareStackTrace = sourceMapPrepareStackTrace
+  return result
+}
+
+function getRawStack (error, stack) {
+  return stack
+}
+
 Object.keys(COMPILERS).forEach(function (extension) {
   var compiler = COMPILERS[extension]