Function analyzeTypeScriptFiles

plugins/plugin-eval/src/evaluators/typescript.js:72–255

(filePaths, rootPath)

}

export async function analyzeTypeScriptFiles(filePaths, rootPath) {
  const checks = [];
  const metrics = [];
  const artifacts = [];

  if (filePaths.length === 0) {
    return { checks, metrics, artifacts };
  }

  const perFile = [];
  let totalCommentLines = 0;
  let totalCodeLines = 0;
  let totalLongLines = 0;
  let totalImports = 0;
  let totalClasses = 0;
  let maxComplexity = 0;
  let maxFunctionLength = 0;
  let maxNesting = 0;
  let functionCount = 0;
  let totalFunctionLength = 0;
  let testFileCount = 0;

  for (const filePath of filePaths) {
    const source = await readText(filePath);
    const lines = source.replace(/\r\n/g, "\n").split("\n");
    const functions = detectFunctions(lines);
    const commentLines = lines.filter((line) => line.trim().startsWith("//") || line.trim().startsWith("*") || line.trim().startsWith("/*")).length;
    const longLines = lines.filter((line) => line.length > 120).length;
    const imports = lines.filter((line) => line.trim().startsWith("import ")).length;
    const classes = countMatches(source, /\bclass\s+[A-Za-z0-9_$]+/g);
    const complexity = 1 + countDecisionPoints(source);
    const fileMaxComplexity = functions.reduce((max, fn) => Math.max(max, fn.complexity), complexity);
    const fileMaxFunctionLength = functions.reduce((max, fn) => Math.max(max, fn.length), 0);
    const fileMaxNesting = functions.reduce((max, fn) => Math.max(max, fn.nesting), 0);

    totalCommentLines += commentLines;
    totalCodeLines += lines.filter((line) => line.trim()).length;
    totalLongLines += longLines;
    totalImports += imports;
    totalClasses += classes;
    maxComplexity = Math.max(maxComplexity, fileMaxComplexity);
    maxFunctionLength = Math.max(maxFunctionLength, fileMaxFunctionLength);
    maxNesting = Math.max(maxNesting, fileMaxNesting);
    functionCount += functions.length;
    totalFunctionLength += functions.reduce((sum, fn) => sum + fn.length, 0);
    if (/(^|\/)(tests?|__tests__)\/|(\.test|\.spec)\./.test(filePath)) {
      testFileCount += 1;
    }

    perFile.push({
      path: relativePath(rootPath, filePath),
      functionCount: functions.length,
      complexity: fileMaxComplexity,
      maxFunctionLength: fileMaxFunctionLength,
      maxNesting: fileMaxNesting,
      longLines,
    });
  }