cli-testing-library/dist/esm/get-user-code-frame.js

Simple and complete CLI testing utilities that encourage good testing practices.

import fs from "node:fs";
import pc from "picocolors";
import { codeFrameColumns } from "@babel/code-frame";
const readFileSync = fs.readFileSync;
function getCodeFrame(frame) {
  const locationStart = frame.indexOf("(") + 1;
  const locationEnd = frame.indexOf(")");
  const frameLocation = frame.slice(locationStart, locationEnd);
  const frameLocationElements = frameLocation.split(":");
  const [filename, line, column] = [
    frameLocationElements[0],
    parseInt(frameLocationElements[1], 10),
    parseInt(frameLocationElements[2], 10)
  ];
  let rawFileContents = "";
  try {
    rawFileContents = readFileSync(filename, "utf-8");
  } catch (e) {
    return "";
  }
  const codeFrame = codeFrameColumns(
    rawFileContents,
    {
      start: { line, column }
    },
    {
      highlightCode: false,
      linesBelow: 0
    }
  );
  return `${pc.dim(frameLocation)}
${codeFrame}
`;
}
function getUserCodeFrame() {
  var _a;
  if (!readFileSync || !codeFrameColumns) {
    return "";
  }
  const err = new Error();
  const firstClientCodeFrame = (_a = err.stack) == null ? void 0 : _a.split("\n").slice(1).find((frame) => !frame.includes("node_modules/"));
  return getCodeFrame(firstClientCodeFrame);
}
export {
  getUserCodeFrame
};
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