flow like the river

VISUALIZACION/node_modules/parcel-bundler/src/utils/prettyError.js

@@ -0,0 +1,24 @@
+module.exports = function(err, opts = {}) {
+  let message = typeof err === 'string' ? err : err.message;
+  if (!message) {
+    message = 'Unknown error';
+  }
+
+  if (err.fileName) {
+    let fileName = err.fileName;
+    if (err.loc) {
+      fileName += `:${err.loc.line}:${err.loc.column}`;
+    }
+
+    message = `${fileName}: ${message}`;
+  }
+
+  let stack;
+  if (err.codeFrame) {
+    stack = (opts.color && err.highlightedCodeFrame) || err.codeFrame;
+  } else if (err.stack) {
+    stack = err.stack.slice(err.stack.indexOf('\n') + 1);
+  }
+
+  return {message, stack};
+};