Add support for mocha-json

src/utils/node-utils.ts

@@ -0,0 +1,30 @@
+import {normalizeFilePath} from './path-utils'
+
+export function getExceptionSource(
+  stackTrace: string,
+  trackedFiles: string[],
+  getRelativePath: (str: string) => string
+): {path: string; line: number} | undefined {
+  const lines = stackTrace.split(/\r?\n/)
+  const re = /\((.*):(\d+):\d+\)$/
+
+  for (const str of lines) {
+    const match = str.match(re)
+    if (match !== null) {
+      const [_, fileStr, lineStr] = match
+      const filePath = normalizeFilePath(fileStr)
+      if (filePath.startsWith('internal/') || filePath.includes('/node_modules/')) {
+        continue
+      }
+      const path = getRelativePath(filePath)
+      if (!path) {
+        continue
+      }
+      if (trackedFiles.includes(path)) {
+        const line = parseInt(lineStr)
+
+        return {path, line}
+      }
+    }
+  }
+}