spincycle/lib/spin/src/bower_components/stacky/browser.js

A reactive message router and object manager that lets clients subscribe to object property changes on the server

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Stacky = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/**
 * @license
 * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 *
 * This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also subject to
 * an additional IP rights grant found at polymer.github.io/PATENTS.txt
 */
(function(scope) {
'use strict';

var parse = scope.parse || require('./parsing').parse;

scope.defaults = {
  // Methods are aligned up to this much padding.
  maxMethodPadding: 40,
  // A string to prefix each line with.
  indent: '',
  // A string to show for stack lines that are missing a method.
  methodPlaceholder: '<unknown>',
  // A list of Strings/RegExps that will be stripped from `location` values on
  // each line (via `String#replace`).
  locationStrip: [],
  // A list of Strings/RegExps that indicate that a line is *not* important, and
  // should be styled as such.
  unimportantLocation: [],
  // A filter function to completely remove lines
  filter: function() { return false; },
  // styles are functions that take a string and return that string when styled.
  styles: {
    method:      passthrough,
    location:    passthrough,
    line:        passthrough,
    column:      passthrough,
    unimportant: passthrough,
  },
};

// See Tero Tolonen's answer at
// http://stackoverflow.com/questions/17575790/environment-detection-node-js-or-browser
/*jshint -W054 */
var isNode = new Function('try {return this===global;}catch(e){return false;}');

// For Stacky-in-Node, we default to colored stacks.
if (isNode()) {
  var chalk = require('chalk');

  scope.defaults.styles = {
    method:      chalk.magenta,
    location:    chalk.blue,
    line:        chalk.cyan,
    column:      chalk.cyan,
    unimportant: chalk.dim
  };
}


function pretty(stackOrParsed, options) {
  options = mergeDefaults(options || {}, scope.defaults);
  var lines = Array.isArray(stackOrParsed) ? stackOrParsed : parse(stackOrParsed);
  lines = clean(lines, options);

  var padSize = methodPadding(lines, options);
  var parts = lines.map(function(line) {
    var method   = line.method || options.methodPlaceholder;
    var pad      = options.indent + padding(padSize - method.length);

    var locationBits = [
      options.styles.location(line.location),
      options.styles.line(line.line),
    ];
    if ('column' in line) {
      locationBits.push(options.styles.column(line.column));
    }
    var location = locationBits.join(':');

    var text = pad + options.styles.method(method) + ' at ' + location;
    if (!line.important) {
      text = options.styles.unimportant(text);
    }
    return text;
  });

  return parts.join('\n');
}

function clean(lines, options) {
  var result = [];
  for (var i = 0, line; line = lines[i]; i++) {
    if (options.filter(line)) continue;
    line.location  = cleanLocation(line.location, options);
    line.important = isImportant(line, options);
    result.push(line);
  }

  return result;
}

// Utility

function passthrough(string) {
  return string;
}

function mergeDefaults(options, defaults) {
  var result = Object.create(defaults);
  Object.keys(options).forEach(function(key) {
    var value = options[key];
    if (typeof value === 'object' && !Array.isArray(value)) {
      value = mergeDefaults(value, defaults[key]);
    }
    result[key] = value;
  });
  return result;
}

function methodPadding(lines, options) {
  var size = options.methodPlaceholder.length;
  for (var i = 0, line; line = lines[i]; i++) {
    size = Math.min(options.maxMethodPadding, Math.max(size, line.method.length));
  }
  return size;
}

function padding(length) {
  var result = '';
  for (var i = 0; i < length; i++) {
    result = result + ' ';
  }
  return result;
}

function cleanLocation(location, options) {
  if (options.locationStrip) {
    for (var i = 0, matcher; matcher = options.locationStrip[i]; i++) {
      location = location.replace(matcher, '');
    }
  }

  return location;
}

function isImportant(line, options) {
  if (options.unimportantLocation) {
    for (var i = 0, matcher; matcher = options.unimportantLocation[i]; i++) {
      if (line.location.match(matcher)) return false;
    }
  }

  return true;
}

scope.clean  = clean;
scope.pretty = pretty;
})(typeof module !== 'undefined' ? module.exports : (this.Stacky = this.Stacky || {}));


},{"./parsing":4,"chalk":undefined}],2:[function(require,module,exports){
/**
 * @license
 * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 *
 * This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also subject to
 * an additional IP rights grant found at polymer.github.io/PATENTS.txt
 */
'use strict';

var formatting    = require('./formatting');
var normalization = require('./normalization');
var parsing       = require('./parsing');

module.exports = {
  // Shorthands for your convenience.
  normalize: normalization.normalize,
  parse:     parsing.parse,
  pretty:    formatting.pretty,
  // Or the full modules.
  formatting:    formatting,
  normalization: normalization,
  parsing:       parsing,
};

},{"./formatting":1,"./normalization":3,"./parsing":4}],3:[function(require,module,exports){
/**
 * @license
 * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 *
 * This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also subject to
 * an additional IP rights grant found at polymer.github.io/PATENTS.txt
 */
(function(scope) {
'use strict';

var parse  = scope.parse  || require('./parsing').parse;
var pretty = scope.pretty || require('./formatting').pretty;

function normalize(error, prettyOptions) {
  if (error.parsedStack) return error;
  var message = error.message || error.description || error || '<unknown error>';
  var parsedStack = [];
  try {
    parsedStack = parse(error.stack || error.toString());
  } catch (error) {
    // Ah well.
  }

  if (parsedStack.length === 0 && error.fileName) {
    parsedStack.push({
      method:   '',
      location: error.fileName,
      line:     error.lineNumber,
      column:   error.columnNumber,
    });
  }

  if (!prettyOptions || !prettyOptions.showColumns) {
    for (var i = 0, line; line = parsedStack[i]; i++) {
      delete line.column;
    }
  }

  var prettyStack = message;
  if (parsedStack.length > 0) {
    prettyStack = prettyStack + '\n' + pretty(parsedStack, prettyOptions);
  }

  var cleanErr = Object.create(Error.prototype);
  cleanErr.message     = message;
  cleanErr.stack       = prettyStack;
  cleanErr.parsedStack = parsedStack;

  return cleanErr;
}

scope.normalize = normalize;
})(typeof module !== 'undefined' ? module.exports : (this.Stacky = this.Stacky || {}));


},{"./formatting":1,"./parsing":4}],4:[function(require,module,exports){
/**
 * @license
 * Copyright (c) 2014 The Polymer Project Authors. All rights reserved.
 *
 * This code may only be used under the BSD style license found at polymer.github.io/LICENSE.txt
 * The complete set of authors may be found at polymer.github.io/AUTHORS.txt
 * The complete set of contributors may be found at polymer.github.io/CONTRIBUTORS.txt
 * Code distributed by Google as part of the polymer project is also subject to
 * an additional IP rights grant found at polymer.github.io/PATENTS.txt
 */
(function(scope) {
'use strict';

function parse(stack) {
  var rawLines = stack.split('\n');

  var stackyLines = compact(rawLines.map(parseStackyLine));
  if (stackyLines.length === rawLines.length) return stackyLines;

  var v8Lines = compact(rawLines.map(parseV8Line));
  if (v8Lines.length > 0) return v8Lines;

  var geckoLines = compact(rawLines.map(parseGeckoLine));
  if (geckoLines.length > 0) return geckoLines;

  throw new Error('Unknown stack format: ' + stack);
}

// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error/Stack
var GECKO_LINE = /^(?:([^@]*)@)?(.*?):(\d+)(?::(\d+))?$/;

function parseGeckoLine(line) {
  var match = line.match(GECKO_LINE);
  if (!match) return null;
  return {
    method:   match[1] || '',
    location: match[2] || '',
    line:     parseInt(match[3]) || 0,
    column:   parseInt(match[4]) || 0,
  };
}

// https://code.google.com/p/v8/wiki/JavaScriptStackTraceApi
var V8_OUTER1 = /^\s*(eval )?at (.*) \((.*)\)$/;
var V8_OUTER2 = /^\s*at()() (\S+)$/;
var V8_INNER  = /^\(?([^\(]+):(\d+):(\d+)\)?$/;

function parseV8Line(line) {
  var outer = line.match(V8_OUTER1) || line.match(V8_OUTER2);
  if (!outer) return null;
  var inner = outer[3].match(V8_INNER);
  if (!inner) return null;

  var method = outer[2] || '';
  if (outer[1]) method = 'eval at ' + method;
  return {
    method:   method,
    location: inner[1] || '',
    line:     parseInt(inner[2]) || 0,
    column:   parseInt(inner[3]) || 0,
  };
}

// Stacky.formatting.pretty

var STACKY_LINE = /^\s*(.+) at (.+):(\d+):(\d+)$/;

function parseStackyLine(line) {
  var match = line.match(STACKY_LINE);
  if (!match) return null;
  return {
    method:   match[1] || '',
    location: match[2] || '',
    line:     parseInt(match[3]) || 0,
    column:   parseInt(match[4]) || 0,
  };
}

// Helpers

function compact(array) {
  var result = [];
  array.forEach(function(value) {
    if (value) {
      result.push(value);
    }
  });
  return result;
}

scope.parse           = parse;
scope.parseGeckoLine  = parseGeckoLine;
scope.parseV8Line     = parseV8Line;
scope.parseStackyLine = parseStackyLine;
})(typeof module !== 'undefined' ? module.exports : (this.Stacky = this.Stacky || {}));

},{}]},{},[2])(2)
});