chore: backtrace

packages/rspack/jest.config.js

@@ -5,6 +5,33 @@ process.on("unhandledRejection", (err, origin) => {
 	console.error(err.message, err.stack, process.exitCode);
 });
 
+["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}`]);
+	};
+});
+
 /** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
 const config = {
 	testEnvironment: "../../scripts/test/patch-node-env.cjs",