@sentry/browser/esm/stack-parsers.js

Official Sentry SDK for browsers

import { createStackParser } from '@sentry/utils';

// global reference to slice
var UNKNOWN_FUNCTION = '?';

var OPERA10_PRIORITY = 10;
var OPERA11_PRIORITY = 20;
var CHROME_PRIORITY = 30;
var WINJS_PRIORITY = 40;
var GECKO_PRIORITY = 50;

function createFrame(filename, func, lineno, colno) {
  var frame = {
    filename,
    function: func,
    // All browser frames are considered in_app
    in_app: true,
  };

  if (lineno !== undefined) {
    frame.lineno = lineno;
  }

  if (colno !== undefined) {
    frame.colno = colno;
  }

  return frame;
}

// Chromium based browsers: Chrome, Brave, new Opera, new Edge
var chromeRegex =
  /^\s*at (?:(.*?) ?\((?:address at )?)?((?:file|https?|blob|chrome-extension|address|native|eval|webpack|<anonymous>|[-a-z]+:|.*bundle|\/).*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i;
var chromeEvalRegex = /\((\S*)(?::(\d+))(?::(\d+))\)/;

var chrome = line => {
  var parts = chromeRegex.exec(line);

  if (parts) {
    var isEval = parts[2] && parts[2].indexOf('eval') === 0; // start of line

    if (isEval) {
      var subMatch = chromeEvalRegex.exec(parts[2]);

      if (subMatch) {
        // throw out eval line/column and use top-most line/column number
        parts[2] = subMatch[1]; // url
        parts[3] = subMatch[2]; // line
        parts[4] = subMatch[3]; // column
      }
    }

    // Kamil: One more hack won't hurt us right? Understanding and adding more rules on top of these regexps right now
    // would be way too time consuming. (TODO: Rewrite whole RegExp to be more readable)
    const [func, filename] = extractSafariExtensionDetails(parts[1] || UNKNOWN_FUNCTION, parts[2]);

    return createFrame(filename, func, parts[3] ? +parts[3] : undefined, parts[4] ? +parts[4] : undefined);
  }

  return;
};

var chromeStackLineParser = [CHROME_PRIORITY, chrome];

// gecko regex: `(?:bundle|\d+\.js)`: `bundle` is for react native, `\d+\.js` also but specifically for ram bundles because it
// generates filenames without a prefix like `file://` the filenames in the stacktrace are just 42.js
// We need this specific case for now because we want no other regex to match.
var geckoREgex =
  /^\s*(.*?)(?:\((.*?)\))?(?:^|@)?((?:file|https?|blob|chrome|webpack|resource|moz-extension|capacitor).*?:\/.*?|\[native code\]|[^@]*(?:bundle|\d+\.js)|\/[\w\-. /=]+)(?::(\d+))?(?::(\d+))?\s*$/i;
var geckoEvalRegex = /(\S+) line (\d+)(?: > eval line \d+)* > eval/i;

var gecko = line => {
  var parts = geckoREgex.exec(line);

  if (parts) {
    var isEval = parts[3] && parts[3].indexOf(' > eval') > -1;
    if (isEval) {
      var subMatch = geckoEvalRegex.exec(parts[3]);

      if (subMatch) {
        // throw out eval line/column and use top-most line number
        parts[1] = parts[1] || 'eval';
        parts[3] = subMatch[1];
        parts[4] = subMatch[2];
        parts[5] = ''; // no column when eval
      }
    }

    let filename = parts[3];
    let func = parts[1] || UNKNOWN_FUNCTION;
    [func, filename] = extractSafariExtensionDetails(func, filename);

    return createFrame(filename, func, parts[4] ? +parts[4] : undefined, parts[5] ? +parts[5] : undefined);
  }

  return;
};

var geckoStackLineParser = [GECKO_PRIORITY, gecko];

var winjsRegex =
  /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:file|ms-appx|https?|webpack|blob):.*?):(\d+)(?::(\d+))?\)?\s*$/i;

var winjs = line => {
  var parts = winjsRegex.exec(line);

  return parts
    ? createFrame(parts[2], parts[1] || UNKNOWN_FUNCTION, +parts[3], parts[4] ? +parts[4] : undefined)
    : undefined;
};

var winjsStackLineParser = [WINJS_PRIORITY, winjs];

var opera10Regex = / line (\d+).*script (?:in )?(\S+)(?:: in function (\S+))?$/i;

var opera10 = line => {
  var parts = opera10Regex.exec(line);
  return parts ? createFrame(parts[2], parts[3] || UNKNOWN_FUNCTION, +parts[1]) : undefined;
};

var opera10StackLineParser = [OPERA10_PRIORITY, opera10];

var opera11Regex =
  / line (\d+), column (\d+)\s*(?:in (?:<anonymous function: ([^>]+)>|([^)]+))\(.*\))? in (.*):\s*$/i;

var opera11 = line => {
  var parts = opera11Regex.exec(line);
  return parts ? createFrame(parts[5], parts[3] || parts[4] || UNKNOWN_FUNCTION, +parts[1], +parts[2]) : undefined;
};

var opera11StackLineParser = [OPERA11_PRIORITY, opera11];

var defaultStackLineParsers = [chromeStackLineParser, geckoStackLineParser, winjsStackLineParser];

var defaultStackParser = createStackParser(...defaultStackLineParsers);

/**
 * Safari web extensions, starting version unknown, can produce "frames-only" stacktraces.
 * What it means, is that instead of format like:
 *
 * Error: wat
 *   at function@url:row:col
 *   at function@url:row:col
 *   at function@url:row:col
 *
 * it produces something like:
 *
 *   function@url:row:col
 *   function@url:row:col
 *   function@url:row:col
 *
 * Because of that, it won't be captured by `chrome` RegExp and will fall into `Gecko` branch.
 * This function is extracted so that we can use it in both places without duplicating the logic.
 * Unfortunately "just" changing RegExp is too complicated now and making it pass all tests
 * and fix this case seems like an impossible, or at least way too time-consuming task.
 */
var extractSafariExtensionDetails = (func, filename) => {
  var isSafariExtension = func.indexOf('safari-extension') !== -1;
  var isSafariWebExtension = func.indexOf('safari-web-extension') !== -1;

  return isSafariExtension || isSafariWebExtension
    ? [
        func.indexOf('@') !== -1 ? func.split('@')[0] : UNKNOWN_FUNCTION,
        isSafariExtension ? `safari-extension:${filename}` : `safari-web-extension:${filename}`,
      ]
    : [func, filename];
};

export { chromeStackLineParser, defaultStackLineParsers, defaultStackParser, geckoStackLineParser, opera10StackLineParser, opera11StackLineParser, winjsStackLineParser };
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