ref: Move utils from raven.js to utils.js file (#1084)

Author: kamilogorek

src/raven.js

@@ -1,12 +1,31 @@
-/*global XDomainRequest:false, __DEV__:false*/
+/*global XDomainRequest:false */
 
 var TraceKit = require('../vendor/TraceKit/tracekit');
 var stringify = require('../vendor/json-stringify-safe/stringify');
 var RavenConfigError = require('./configError');
-var utils = require('./utils');
 
-var isError = utils.isError,
-  isObject = utils.isObject;
+var utils = require('./utils');
+var isError = utils.isError;
+var isObject = utils.isObject;
+var isObject = utils.isObject;
+var isError = utils.isError;
+var isUndefined = utils.isUndefined;
+var isFunction = utils.isFunction;
+var isString = utils.isString;
+var isEmptyObject = utils.isEmptyObject;
+var each = utils.each;
+var objectMerge = utils.objectMerge;
+var truncate = utils.truncate;
+var objectFrozen = utils.objectFrozen;
+var hasKey = utils.hasKey;
+var joinRegExp = utils.joinRegExp;
+var urlencode = utils.urlencode;
+var uuid4 = utils.uuid4;
+var htmlTreeAsString = utils.htmlTreeAsString;
+var isSameException = utils.isSameException;
+var isSameStacktrace = utils.isSameStacktrace;
+var parseUrl = utils.parseUrl;
+var fill = utils.fill;
 
 var wrapConsoleMethod = require('./console').wrapMethod;
 
@@ -1891,347 +1910,6 @@ Raven.prototype = {
   }
 };
 
-/*------------------------------------------------
- * utils
- *
- * conditionally exported for test via Raven.utils
- =================================================
- */
-var objectPrototype = Object.prototype;
-
-function isUndefined(what) {
-  return what === void 0;
-}
-
-function isFunction(what) {
-  return typeof what === 'function';
-}
-
-function isString(what) {
-  return objectPrototype.toString.call(what) === '[object String]';
-}
-
-function isEmptyObject(what) {
-  for (var _ in what) return false; // eslint-disable-line guard-for-in, no-unused-vars
-  return true;
-}
-
-function each(obj, callback) {
-  var i, j;
-
-  if (isUndefined(obj.length)) {
-    for (i in obj) {
-      if (hasKey(obj, i)) {
-        callback.call(null, i, obj[i]);
-      }
-    }
-  } else {
-    j = obj.length;
-    if (j) {
-      for (i = 0; i < j; i++) {
-        callback.call(null, i, obj[i]);
-      }
-    }
-  }
-}
-
-function objectMerge(obj1, obj2) {
-  if (!obj2) {
-    return obj1;
-  }
-  each(obj2, function(key, value) {
-    obj1[key] = value;
-  });
-  return obj1;
-}
-
-/**
- * This function is only used for react-native.
- * react-native freezes object that have already been sent over the
- * js bridge. We need this function in order to check if the object is frozen.
- * So it's ok that objectFrozen returns false if Object.isFrozen is not
- * supported because it's not relevant for other "platforms". See related issue:
- * https://github.com/getsentry/react-native-sentry/issues/57
- */
-function objectFrozen(obj) {
-  if (!Object.isFrozen) {
-    return false;
-  }
-  return Object.isFrozen(obj);
-}
-
-function truncate(str, max) {
-  return !max || str.length <= max ? str : str.substr(0, max) + '\u2026';
-}
-
-/**
- * hasKey, a better form of hasOwnProperty
- * Example: hasKey(MainHostObject, property) === true/false
- *
- * @param {Object} host object to check property
- * @param {string} key to check
- */
-function hasKey(object, key) {
-  return objectPrototype.hasOwnProperty.call(object, key);
-}
-
-function joinRegExp(patterns) {
-  // Combine an array of regular expressions and strings into one large regexp
-  // Be mad.
-  var sources = [],
-    i = 0,
-    len = patterns.length,
-    pattern;
-
-  for (; i < len; i++) {
-    pattern = patterns[i];
-    if (isString(pattern)) {
-      // If it's a string, we need to escape it
-      // Taken from: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions
-      sources.push(pattern.replace(/([.*+?^=!:${}()|\[\]\/\\])/g, '\\$1'));
-    } else if (pattern && pattern.source) {
-      // If it's a regexp already, we want to extract the source
-      sources.push(pattern.source);
-    }
-    // Intentionally skip other cases
-  }
-  return new RegExp(sources.join('|'), 'i');
-}
-
-function urlencode(o) {
-  var pairs = [];
-  each(o, function(key, value) {
-    pairs.push(encodeURIComponent(key) + '=' + encodeURIComponent(value));
-  });
-  return pairs.join('&');
-}
-
-// borrowed from https://tools.ietf.org/html/rfc3986#appendix-B
-// intentionally using regex and not <a/> href parsing trick because React Native and other
-// environments where DOM might not be available
-function parseUrl(url) {
-  var match = url.match(/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/);
-  if (!match) return {};
-
-  // coerce to undefined values to empty string so we don't get 'undefined'
-  var query = match[6] || '';
-  var fragment = match[8] || '';
-  return {
-    protocol: match[2],
-    host: match[4],
-    path: match[5],
-    relative: match[5] + query + fragment // everything minus origin
-  };
-}
-function uuid4() {
-  var crypto = _window.crypto || _window.msCrypto;
-
-  if (!isUndefined(crypto) && crypto.getRandomValues) {
-    // Use window.crypto API if available
-    // eslint-disable-next-line no-undef
-    var arr = new Uint16Array(8);
-    crypto.getRandomValues(arr);
-
-    // set 4 in byte 7
-    arr[3] = (arr[3] & 0xfff) | 0x4000;
-    // set 2 most significant bits of byte 9 to '10'
-    arr[4] = (arr[4] & 0x3fff) | 0x8000;
-
-    var pad = function(num) {
-      var v = num.toString(16);
-      while (v.length < 4) {
-        v = '0' + v;
-      }
-      return v;
-    };
-
-    return (
-      pad(arr[0]) +
-      pad(arr[1]) +
-      pad(arr[2]) +
-      pad(arr[3]) +
-      pad(arr[4]) +
-      pad(arr[5]) +
-      pad(arr[6]) +
-      pad(arr[7])
-    );
-  } else {
-    // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
-    return 'xxxxxxxxxxxx4xxxyxxxxxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
-      var r = (Math.random() * 16) | 0,
-        v = c === 'x' ? r : (r & 0x3) | 0x8;
-      return v.toString(16);
-    });
-  }
-}
-
-/**
- * Given a child DOM element, returns a query-selector statement describing that
- * and its ancestors
- * e.g. [HTMLElement] => body > div > input#foo.btn[name=baz]
- * @param elem
- * @returns {string}
- */
-function htmlTreeAsString(elem) {
-  /* eslint no-extra-parens:0*/
-  var MAX_TRAVERSE_HEIGHT = 5,
-    MAX_OUTPUT_LEN = 80,
-    out = [],
-    height = 0,
-    len = 0,
-    separator = ' > ',
-    sepLength = separator.length,
-    nextStr;
-
-  while (elem && height++ < MAX_TRAVERSE_HEIGHT) {
-    nextStr = htmlElementAsString(elem);
-    // bail out if
-    // - nextStr is the 'html' element
-    // - the length of the string that would be created exceeds MAX_OUTPUT_LEN
-    //   (ignore this limit if we are on the first iteration)
-    if (
-      nextStr === 'html' ||
-      (height > 1 && len + out.length * sepLength + nextStr.length >= MAX_OUTPUT_LEN)
-    ) {
-      break;
-    }
-
-    out.push(nextStr);
-
-    len += nextStr.length;
-    elem = elem.parentNode;
-  }
-
-  return out.reverse().join(separator);
-}
-
-/**
- * Returns a simple, query-selector representation of a DOM element
- * e.g. [HTMLElement] => input#foo.btn[name=baz]
- * @param HTMLElement
- * @returns {string}
- */
-function htmlElementAsString(elem) {
-  var out = [],
-    className,
-    classes,
-    key,
-    attr,
-    i;
-
-  if (!elem || !elem.tagName) {
-    return '';
-  }
-
-  out.push(elem.tagName.toLowerCase());
-  if (elem.id) {
-    out.push('#' + elem.id);
-  }
-
-  className = elem.className;
-  if (className && isString(className)) {
-    classes = className.split(/\s+/);
-    for (i = 0; i < classes.length; i++) {
-      out.push('.' + classes[i]);
-    }
-  }
-  var attrWhitelist = ['type', 'name', 'title', 'alt'];
-  for (i = 0; i < attrWhitelist.length; i++) {
-    key = attrWhitelist[i];
-    attr = elem.getAttribute(key);
-    if (attr) {
-      out.push('[' + key + '="' + attr + '"]');
-    }
-  }
-  return out.join('');
-}
-
-/**
- * Returns true if either a OR b is truthy, but not both
- */
-function isOnlyOneTruthy(a, b) {
-  return !!(!!a ^ !!b);
-}
-
-/**
- * Returns true if the two input exception interfaces have the same content
- */
-function isSameException(ex1, ex2) {
-  if (isOnlyOneTruthy(ex1, ex2)) return false;
-
-  ex1 = ex1.values[0];
-  ex2 = ex2.values[0];
-
-  if (ex1.type !== ex2.type || ex1.value !== ex2.value) return false;
-
-  return isSameStacktrace(ex1.stacktrace, ex2.stacktrace);
-}
-
-/**
- * Returns true if the two input stack trace interfaces have the same content
- */
-function isSameStacktrace(stack1, stack2) {
-  if (isOnlyOneTruthy(stack1, stack2)) return false;
-
-  var frames1 = stack1.frames;
-  var frames2 = stack2.frames;
-
-  // Exit early if frame count differs
-  if (frames1.length !== frames2.length) return false;
-
-  // Iterate through every frame; bail out if anything differs
-  var a, b;
-  for (var i = 0; i < frames1.length; i++) {
-    a = frames1[i];
-    b = frames2[i];
-    if (
-      a.filename !== b.filename ||
-      a.lineno !== b.lineno ||
-      a.colno !== b.colno ||
-      a['function'] !== b['function']
-    )
-      return false;
-  }
-  return true;
-}
-
-/**
- * Polyfill a method
- * @param obj object e.g. `document`
- * @param name method name present on object e.g. `addEventListener`
- * @param replacement replacement function
- * @param track {optional} record instrumentation to an array
- */
-function fill(obj, name, replacement, track) {
-  var orig = obj[name];
-  obj[name] = replacement(orig);
-  if (track) {
-    track.push([obj, name, orig]);
-  }
-}
-
-if (typeof __DEV__ !== 'undefined' && __DEV__) {
-  Raven.utils = {
-    isUndefined: isUndefined,
-    isFunction: isFunction,
-    isString: isString,
-    isObject: isObject,
-    isEmptyObject: isEmptyObject,
-    isError: isError,
-    each: each,
-    objectMerge: objectMerge,
-    truncate: truncate,
-    hasKey: hasKey,
-    joinRegExp: joinRegExp,
-    urlencode: urlencode,
-    uuid4: uuid4,
-    htmlTreeAsString: htmlTreeAsString,
-    htmlElementAsString: htmlElementAsString,
-    parseUrl: parseUrl,
-    fill: fill
-  };
-}
-
 // Deprecations
 Raven.prototype.setUser = Raven.prototype.setUserContext;
 Raven.prototype.setReleaseContext = Raven.prototype.setRelease;