patrickarlt/acetate

const path = require("path");
const normalizeNewline = require("normalize-newline");
const { trim, isNaN } = require("lodash");

function processStacktrace(stacktrace) {
  const lines = normalizeNewline(stacktrace).split(/\n/);

  for (let i = 0; i < lines.length; i++) {
    let parsed = trim(lines[i])
      .replace(/[(|)]/g, " ")
      .split(":");
    let column = parseInt(parsed.pop(), 10);
    let line = parseInt(parsed.pop(), 10);
    let file = parsed
      .join(" ")
      .split(" ")
      .pop();

    if (!isNaN(line) && !isNaN(column)) {
      return {
        file: file.replace(process.cwd() + path.sep, ""),
        line: parseInt(line),
        column: parseInt(column)
      };
    }
  }

  return {};
}

function formatErrorLocation(file, line, column) {
  return file + (line ? `(${line}${column ? `:${column}` : ""})` : "");
}

module.exports = {
  processStacktrace,
  formatErrorLocation
};