angular-scroll-animate/bower_components/jasmine/src/core/PrettyPrinter.js

An Angular.js directive which allows you to perform any javascript actions (in the controller, or on the element) when an element is scrolled into, or out of, the users viewport, without any other dependencies.

/**
 * Base class for pretty printing for expectation results.
 */
jasmine.PrettyPrinter = function() {
  this.ppNestLevel_ = 0;
};

/**
 * Formats a value in a nice, human-readable string.
 *
 * @param value
 */
jasmine.PrettyPrinter.prototype.format = function(value) {
  this.ppNestLevel_++;
  try {
    if (value === jasmine.undefined) {
      this.emitScalar('undefined');
    } else if (value === null) {
      this.emitScalar('null');
    } else if (value === jasmine.getGlobal()) {
      this.emitScalar('<global>');
    } else if (value.jasmineToString) {
      this.emitScalar(value.jasmineToString());
    } else if (typeof value === 'string') {
      this.emitString(value);
    } else if (jasmine.isSpy(value)) {
      this.emitScalar("spy on " + value.identity);
    } else if (value instanceof RegExp) {
      this.emitScalar(value.toString());
    } else if (typeof value === 'function') {
      this.emitScalar('Function');
    } else if (typeof value.nodeType === 'number') {
      this.emitScalar('HTMLNode');
    } else if (value instanceof Date) {
      this.emitScalar('Date(' + value + ')');
    } else if (value.__Jasmine_been_here_before__) {
      this.emitScalar('<circular reference: ' + (jasmine.isArray_(value) ? 'Array' : 'Object') + '>');
    } else if (jasmine.isArray_(value) || typeof value == 'object') {
      value.__Jasmine_been_here_before__ = true;
      if (jasmine.isArray_(value)) {
        this.emitArray(value);
      } else {
        this.emitObject(value);
      }
      delete value.__Jasmine_been_here_before__;
    } else {
      this.emitScalar(value.toString());
    }
  } finally {
    this.ppNestLevel_--;
  }
};

jasmine.PrettyPrinter.prototype.iterateObject = function(obj, fn) {
  for (var property in obj) {
    if (!obj.hasOwnProperty(property)) continue;
    if (property == '__Jasmine_been_here_before__') continue;
    fn(property, obj.__lookupGetter__ ? (obj.__lookupGetter__(property) !== jasmine.undefined && 
                                         obj.__lookupGetter__(property) !== null) : false);
  }
};

jasmine.PrettyPrinter.prototype.emitArray = jasmine.unimplementedMethod_;
jasmine.PrettyPrinter.prototype.emitObject = jasmine.unimplementedMethod_;
jasmine.PrettyPrinter.prototype.emitScalar = jasmine.unimplementedMethod_;
jasmine.PrettyPrinter.prototype.emitString = jasmine.unimplementedMethod_;

jasmine.StringPrettyPrinter = function() {
  jasmine.PrettyPrinter.call(this);

  this.string = '';
};
jasmine.util.inherit(jasmine.StringPrettyPrinter, jasmine.PrettyPrinter);

jasmine.StringPrettyPrinter.prototype.emitScalar = function(value) {
  this.append(value);
};

jasmine.StringPrettyPrinter.prototype.emitString = function(value) {
  this.append("'" + value + "'");
};

jasmine.StringPrettyPrinter.prototype.emitArray = function(array) {
  if (this.ppNestLevel_ > jasmine.MAX_PRETTY_PRINT_DEPTH) {
    this.append("Array");
    return;
  }

  this.append('[ ');
  for (var i = 0; i < array.length; i++) {
    if (i > 0) {
      this.append(', ');
    }
    this.format(array[i]);
  }
  this.append(' ]');
};

jasmine.StringPrettyPrinter.prototype.emitObject = function(obj) {
  if (this.ppNestLevel_ > jasmine.MAX_PRETTY_PRINT_DEPTH) {
    this.append("Object");
    return;
  }

  var self = this;
  this.append('{ ');
  var first = true;

  this.iterateObject(obj, function(property, isGetter) {
    if (first) {
      first = false;
    } else {
      self.append(', ');
    }

    self.append(property);
    self.append(' : ');
    if (isGetter) {
      self.append('<getter>');
    } else {
      self.format(obj[property]);
    }
  });

  this.append(' }');
};

jasmine.StringPrettyPrinter.prototype.append = function(value) {
  this.string += value;
};