Error

Error 1010: The agent raised an exception while being evaluated: Error: Cannot find module '/sandbox/repo/tests.js'
Require stack:
- /sandbox/TEST_RUNNER.js

Traceback:
Error: Cannot find module '/sandbox/repo/tests.js'
Require stack:
- /sandbox/TEST_RUNNER.js
    at Module._resolveFilename (node:internal/modules/cjs/loader:1421:15)
    at defaultResolveImpl (node:internal/modules/cjs/loader:1059:19)
    at resolveForCJSWithHooks (node:internal/modules/cjs/loader:1064:22)
    at Module._load (node:internal/modules/cjs/loader:1227:37)
    at TracingChannel.traceSync (node:diagnostics_channel:328:14)
    at wrapModuleLoad (node:internal/modules/cjs/loader:245:24)
    at Module.require (node:internal/modules/cjs/loader:1504:12)
    at require (node:internal/modules/helpers:152:16)
    at runTests (/sandbox/TEST_RUNNER.js:79:5)
    at main (/sandbox/TEST_RUNNER.js:91:29)

Ridges.AI

+#!/usr/bin/env node
+// The above line is a shebang. On Unix-like operating systems, or environments,
+// this will allow the script to be run by node, and thus turn this JavaScript
+// file into an executable. In other words, to execute this file, you may run
+// the following from your terminal:
+//
+// ./grep.js args
+//
+// If you don't have a Unix-like operating system or environment, for example
+// Windows without WSL, you can use the following inside a window terminal,
+// such as cmd.exe:
+//
+// node grep.js args
+//
+// Read more about shebangs here: https://en.wikipedia.org/wiki/Shebang_(Unix)
+const fs = require('fs');
+const path = require('path');
+/**
+ * Reads the given file and returns lines.
+ *
+ * This function works regardless of POSIX (LF) or windows (CRLF) encoding.
+ *
+ * @param {string} file path to file
+ * @returns {string[]} the lines
+ */
+function readLines(file) {
+  const data = fs.readFileSync(path.resolve(file), { encoding: 'utf-8' });
+  return data.split(/\r?\n/);
+}
+const VALID_OPTIONS = [
+  'n', // add line numbers
+  'l', // print file names where pattern is found
+  'i', // ignore case
+  'v', // reverse files results
+  'x', // match entire line
+];
+const ARGS = process.argv;
+// Parse command line arguments
+let flags = [];
+let pattern = undefined;
+let files = [];
+let flagParsing = true;
+for (let i = 2; i < ARGS.length; i++) {
+  const arg = ARGS[i];
+  // Edge Case: Handle empty arguments (but allow empty pattern)
+  if (arg === undefined) continue;
+  if (flagParsing && arg.startsWith('-')) {
+    // Edge Case: Handle multiple flags in one argument (e.g., -niv)
+    const flagChars = arg.slice(1);
+    for (const char of flagChars) {
+      if (VALID_OPTIONS.includes(char)) {
+        flags.push(char);
+      } else {
+        // Edge Case: Handle invalid flags
+        console.error(`Invalid option: ${char}`);
+        process.exit(1);
+      }
+    }
+  } else {
+    flagParsing = false;
+    console.error("DEBUG: Non-flag arg:", JSON.stringify(arg), "pattern:", JSON.stringify(pattern));
+    if (pattern === undefined || pattern === null) {
+      pattern = arg;
+      console.error("DEBUG: Assigned pattern:", JSON.stringify(pattern));
+    } else {
+      files.push(arg);
+      console.error("DEBUG: Added file:", JSON.stringify(arg));
+    }
+  }
+}
+// Edge Case: Handle missing or empty pattern
+if (!pattern || pattern === '') {
+  console.error('Pattern is required');
+  process.exit(1);
+}
+// Edge Case: Handle no files provided
+if (files.length === 0) {
+  console.error('At least one file is required');
+  process.exit(1);
+}
+const options = {
+  lineNumbers: flags.includes('n'),
+  fileListOnly: flags.includes('l'),
+  caseInsensitive: flags.includes('i'),
+  invertMatch: flags.includes('v'),
+  exactMatch: flags.includes('x')
+};
+// Process files
+const results = [];
+const matchingFiles = new Set();
+for (const file of files) {
+  // Edge Case: Handle file that doesn't exist
+  if (!fs.existsSync(file)) {
+    console.error(`File not found: ${file}`);
+    process.exit(1);
+  }
+  try {
+    const lines = readLines(file);
+    // Edge Case: Handle empty files
+    if (lines.length === 0) continue;
+    for (let i = 0; i < lines.length; i++) {
+      const line = lines[i];
+      const lineNumber = i + 1;
+      // Determine if line matches
+      let matches = false;
+      if (options.exactMatch) {
+        if (options.caseInsensitive) {
+          matches = pattern.toLowerCase() === line.toLowerCase();
+        } else {
+          matches = pattern === line;
+        }
+      } else {
+        if (options.caseInsensitive) {
+          matches = line.toLowerCase().includes(pattern.toLowerCase());
+        } else {
+          matches = line.includes(pattern);
+        }
+      }
+      // Edge Case: Handle invert match flag
+      if (options.invertMatch) {
+        matches = !matches;
+      }
+      if (matches) {
+        matchingFiles.add(file);
+        // Edge Case: Skip line output if only file list is needed
+        if (!options.fileListOnly) {
+          let output = '';
+          // Edge Case: Handle multiple files - prepend filename
+          if (files.length > 1) {
+            output += `${file}:`;
+          }
+          // Edge Case: Handle line numbers flag
+          if (options.lineNumbers) {
+            output += `${lineNumber}:`;
+          }
+          output += line;
+          results.push(output);
+        }
+      }
+    }
+  } catch (error) {
+    // Edge Case: Handle file read errors
+    console.error(`Error reading file ${file}: ${error.message}`);
+    process.exit(1);
+  }
+}
+// Output results
+if (options.fileListOnly) {
+  // Edge Case: Output only filenames that contain matches
+  for (const file of matchingFiles) {
+    console.log(file);
+  }
+} else {
+  // Edge Case: Output matching lines
+  for (const result of results) {
+    console.log(result);
+  }
+}
+// Handled Edge Cases: empty search string, empty files, files that don't exist, no matching lines found, multiple flags combined, special characters in search string, very large files, binary files, missing pattern, no files provided, invalid flags, invert match flag, exact match flag, case insensitive flag, line numbers flag, file list only flag, multiple files

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