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• stack-parsers.js

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package.build.npm.esm.stack-parsers.js Maven / Gradle / Ivy

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

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

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

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

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

  return frame;
}

// This regex matches frames that have no function name (ie. are at the top level of a module).
// For example "at http://localhost:5000//script.js:1:126"
// Frames _with_ function names usually look as follows: "at commitLayoutEffects (react-dom.development.js:23426:1)"
const chromeRegexNoFnName = /^\s*at (\S+?)(?::(\d+))(?::(\d+))\s*$/i;

// This regex matches all the frames that have a function name.
const chromeRegex =
  /^\s*at (?:(.+?\)(?: \[.+\])?|.*?) ?\((?:address at )?)?(?:async )?((?:|[-a-z]+:|.*bundle|\/)?.*?)(?::(\d+))?(?::(\d+))?\)?\s*$/i;

const chromeEvalRegex = /\((\S*)(?::(\d+))(?::(\d+))\)/;

// Chromium based browsers: Chrome, Brave, new Opera, new Edge
// We cannot call this variable `chrome` because it can conflict with global `chrome` variable in certain environments
// See: https://github.com/getsentry/sentry-javascript/issues/6880
const chromeStackParserFn = line => {
  // If the stack line has no function name, we need to parse it differently
  const noFnParts = chromeRegexNoFnName.exec(line) ;

  if (noFnParts) {
    const [, filename, line, col] = noFnParts;
    return createFrame(filename, UNKNOWN_FUNCTION, +line, +col);
  }

  const parts = chromeRegex.exec(line) ;

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

    if (isEval) {
      const 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;
};

const chromeStackLineParser = [CHROME_PRIORITY, chromeStackParserFn];

// 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.
const geckoREgex =
  /^\s*(.*?)(?:\((.*?)\))?(?:^|@)?((?:[-a-z]+)?:\/.*?|\[native code\]|[^@]*(?:bundle|\d+\.js)|\/[\w\-. /=]+)(?::(\d+))?(?::(\d+))?\s*$/i;
const geckoEvalRegex = /(\S+) line (\d+)(?: > eval line \d+)* > eval/i;

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

  if (parts) {
    const isEval = parts[3] && parts[3].indexOf(' > eval') > -1;
    if (isEval) {
      const 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;
};

const geckoStackLineParser = [GECKO_PRIORITY, gecko];

const winjsRegex = /^\s*at (?:((?:\[object object\])?.+) )?\(?((?:[-a-z]+):.*?):(\d+)(?::(\d+))?\)?\s*$/i;

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

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

const winjsStackLineParser = [WINJS_PRIORITY, winjs];

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

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

const opera10StackLineParser = [OPERA10_PRIORITY, opera10];

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

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

const opera11StackLineParser = [OPERA11_PRIORITY, opera11];

const defaultStackLineParsers = [chromeStackLineParser, geckoStackLineParser];

const 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.
 */
const extractSafariExtensionDetails = (func, filename) => {
  const isSafariExtension = func.indexOf('safari-extension') !== -1;
  const 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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