anurbol · July 28, 2018 11:27 · Jul 28, 2018
diff --git a/console.log-extended.js b/console.log-extended.js
@@ -0,0 +1,25 @@
+["log", "warn", "error"].forEach((methodName) => {
+    const originalMethod = console[methodName]
+    console[methodName] = (...args) => {
+      let initiator = "unknown place"
+      try {
+        throw new Error()
+      } catch (e) {
+        if (typeof e.stack === "string") {
+          let isFirst = true
+          for (const line of e.stack.split("\n")) {
+            const matches = line.match(/^\s+at\s+(.*)/)
+            if (matches) {
+              if (!isFirst) { // first line - current function
+                              // second line - caller (what we are looking for)
+                initiator = matches[1]
+                break
+              }
+              isFirst = false
+            }
+          }
+        }
+      }
+      originalMethod.apply(console, [...args, "\n", `  at ${initiator}`])
+    }
+  })