Merge pull request #3 from codewars/fix-console-log-origin

Fix log location for Jest 26

Author: kazk

fixtures/console-log.expected.txt

@@ -0,0 +1,12 @@
+
+<DESCRIBE::>group 1
+
+<IT::>test 1
+
+<PASSED::>Test Passed
+
+<COMPLETEDIN::>2
+
+<COMPLETEDIN::>
+
+<LOG::console.log at add (/fixtures/console-log.js:2:11)>1 1

fixtures/console-log.js

@@ -0,0 +1,10 @@
+const add = (a, b) => {
+  console.log(a, b);
+  return a + b;
+};
+
+describe("group 1", () => {
+  test("test 1", () => {
+    expect(add(1, 1)).toBe(2);
+  });
+});

jest.config.js

@@ -1,4 +1,6 @@
 module.exports = {
   preset: "ts-jest",
+  // Required to capture console.log
+  verbose: false,
   testEnvironment: "node",
 };

src/codewars-reporter.ts

@@ -171,7 +171,8 @@ function _showConsoleOutput(cs: ConsoleBuffer | undefined, rootDir: string) {
     if (/^<(?:LOG|TAB|PROP|OUT|SWAP|TAG):(?:[A-Z]*):(?:[^>]*)>/.test(message)) {
       console.log(message);
     } else {
-      const from = c.origin.replace(rootDir, "").replace(/^\//, "");
+      // LogEntry.origin is a stack trace in Jest 26, use the first line.
+      const from = c.origin.split("\n")[0].trim().replace(rootDir, "");
       console.log(`\n<LOG::console.${c.type} ${from}>${escapeLF(message)}`);
     }
   }